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Seeking a Ghost via Web Cam 74

dogberto writes "It seems that people are using a web cam for everything these days. Starting with a web cam to watch the daily lives of people in their rooms. Now, it seems that the folks at The Evansville Courier & Press have decided to install a video camera in the 114 year old Willard Library to give internet viewers a chance to spot the legendary ghost (a.k.a., the "Lady in Grey") via this Ghost Cam. CNN was the first I saw running an article. The Willard Library link gives some more background on the ghost. "
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Seeking a Ghost via Web Cam

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  • But whatever you do, don't cross the beams.
  • by gad_zuki! ( 70830 ) on Sunday October 31, 1999 @04:57AM (#1574447)
    Motion to rename article:

    The great JPEG Blur search of Halloween '99

    BTW, I've already submitted my faked ghost sighting, I put my slashdot username on the picture and recommend any /.'ers with some time to waste to do the same. Damn it, we want verifiable ghost cams!

  • Not only do the comments resemble each other, but did you notice how lots of the submitters all had the same idea to circle their "proof" in paint.exe?

    -- Give him Head? Be a Beacon?

  • You can use a watermarking technique on the images, this effectively embeds a CRC checksum into the original photo, before it is published on the Web. Any editing to the image breaks the CRC and you know that the image has been tampered with.

    I believe Adobe implement this kind of technique in the Photoshop software. The can get the license info from an image created or edited in Photoshop.
  • Check out the entry for pareidolia in "The Skeptic's Dictionary" (http://www.skepdic.com/pareidol.html [skepdic.com] ) to learn more about why people see ghosts in a bunch of blurry pixels. You may also wish to visit my page, which deals specifically with such images on the Moon (http://wfmh.org.pl/~thorgal/Moon/ [wfmh.org.pl]). Enjoy.
  • and assume the existence of ghosts, for argument's sake. With this I'd need to assume the existence of a spiritual plane/dimension/universe, etc. Even if I do this, (thus stepping into ghost belivers' shoes) I find the whole notion of capturing an image or recording of a spirit entity on a mechanical device to be half absurd, even when viewed from their own angle.

    After all, this is supposed to be an incorporeal entity, is it not? And thus why assume it would actually emit or reflect any kind of electromagnetic energy, light/infrared/radio waves included, at all?

    Humans, from a believer's view, are a hybrid - part material, part spirit. Ghosts are sprit entities. Who knows hows much control they have over their own universe? They might manifest a material essence, or they might circumvent material-space entirely. The way an "image" of a ghost can be projected onto human consciousness is considerably different than the way an image appears to an optical device. The ghost might be able to set up an image directly on the optic nerve. Ghosts could even selectively appear to some people and not to others. The trouble with paranormal investigation is that, when you add this enormous X nature of the "spritual" world to your analysis all bets are off.

    Even if you belive in ghosts, the idea that you could candidly "catch" them using a device intended to record material phenomena is nonsensical.

    - The Count
  • Some of you people need to chill. This is set up for fun. So what if the image quality is pretty bad and the pictures in their proof section aren't really that great quality. It's Halloween. Halloween is always a time for ghost stories and such. Instead of complaining about what's wrong with the site, think of the fun qualities of it and get in the spirit of Halloween dammit. Oh yeah, like Happy Halloween too and stuff.
  • Yet another stupid going-on in my town to give everyone the impression that we're dumb hicks. Please please please don't think that all of us from Evansville are as ridiculous as these folks.
  • Here's one situation for the use of a webcam:

    Say you are a college student, and you are going home for the weekend. However, you also want to see what your rommate does with your stuff while you're gone. THAT, I think, is a much better use of a webcam than taking pictures of a library and then adding gaussian blurs in the shapes of people.

    Now, I haven't tried this myself (yet) and I believe that taking jpegs every 5 seconds, even with checking for differences would fill up space pretty quickly given that if you have a curtain flapping next to the window that would generate enough motion to store the image... so don't try this without vast amounts of space.
  • by Anonymous Coward
    I saw Monica Lewinski going down on a Pink Elephant once. I'm a believer.
  • Better yet, the jpeg artifacts the first picture claims as a ghost appear to be generated by the crude Paint scrawls outlining 'her' position. The ghost is the message!
  • by skip277 ( 24541 ) on Sunday October 31, 1999 @06:26AM (#1574462) Homepage
    I have a cheapo USB QuickCam (waiting hopefully for kernel 2.4 and a driver) that I use when in Windoze. My desk is directly in front of a window (behind the cam) that the sun comes in. At certain points of the day, the cam picks up wierd "ghostly" images that are simply reflections and refractions of the light off other objects in the room playing off the camera lens. The images look remarkably like the table the "ghost" was sitting on if anyone looked at the proof page.

    While that would explain a lot of stuff, I'm afraid the jury is still out on ghosts for me. Never believed in the stuff until I lived in my last house. Footsteps, doors opening themselves, and other assorted weirdness generally associated with haunted houses occurred daily. The all time best was when a deadbolted door we never used opened itself just out of sight. When we went to check it, the door was open and the bolt was still sticking out of the door. I'm keeping an open mind, but I'm glad I don't live there anymore.

    Skippy
  • by Speare ( 84249 ) on Sunday October 31, 1999 @06:31AM (#1574463) Homepage Journal

    There are a lot of ways to post a photo that you have created but not stored, and still tell whether it was unmodified when you get a copy back from an untrusted reporter.

    Off the top of my head,

    • Use a nonlossy compression method (GIF, etc), so you can embed authentication data IN the image.
    • Choose a 32-pixel area, and clear the low-order bit of the blue samples. Overlay a checksum for the rest of the image data into those 32 bits.
    • Use the same trick with the low-order bits of the green samples, and red samples (same or different pixels, your choice), using different hashing methods.
    • To get really funky, hide a pgp signature in the low-order color bits the same way.

    Also, Photoshop has a digital signature filter which works on similar methods. I think it has lots of redundant information so that it won't break down with lossy compression (or even print-then-scan cycles). It was intended to FIND photos, not to DISCARD photos, that may be from a given source, such as porn CD-ROMs stockpiling illegal scans of Playboy (C) artwork.

  • by firewrought ( 36952 ) on Sunday October 31, 1999 @06:34AM (#1574464)
    why the hell are they always in academic institutions?!?!?! I suppose the buildings are old and thus chock full of explanations for the presences

    Georgia Tech [gatech.edu]'s Library is the perfect setting for a ghost story. When one first walks into the place, they feel a sense of age without glory, as if the building is in the process of dying. It is heightened by the creaky wood staircases, the cramped little restrooms set in odd places, and the sealed-off stairwell with water-corroded paint that can only be seen by looking out the right windows in another stairwell.

    The bare flourescent light tubes are covered by parallel, flat plates in the shape of a half-arc that stick down like small guillotines. The large atrium formed by floors 1 and 2 of the West wing is duplicated on floors 3 and 4 (like the old identical-room-switcharoo trick). The building incorporates at least 6 different architectural styles among its operative stairwells: one of them is straight, small, narrow, and creaky; another is constructed like a huge, tomato-green spiraled tube that secretly snakes down towards the basement.

    The East wing is two or three floors taller than the West wing, and from here one may peer down on the oldest of campus buildings. The light behaves differently on these floors... the sunlight traces shadows through ancient, hazed-over glass. Even when I stand there, beholding it with my own eyes, the scene appears impossibly faded, like one of grandma's wedding pictures (or maybe some JPEG compression artifacts).

    The building has many secret places. Most striking are the many locked rooms that appear randomly scattered throughout the floor plans... their practical purposes forgotten. In this one particular room, statues and busts can be seen through the darkened glass. If I remember correctly, the entire top floor of the East Wing is closed to the public, accessible only to invisible research librarians.

    Finally, the building stands at the highest geographical point on campus. "The Hill" was of strategic significance during the civil war battle that this region of Atlanta saw.

    Funny, though... Nobody here is creative enough to make up any stories about it. That's Tech for you...

    Stephen Bennett
  • The "proof" photos and the comments are what one can expect
    from a site like this; someone with an imagination can look
    at a poor quality photo and see anything. Anybody interested
    in for real ghost photos, check out Dave Oester's excellent site at:

    http://www.ghostweb.com

    They are doing some *serious* work in that direction, and besides
    archives of photos, also offer a wealth of info.
  • by David Ham ( 88421 ) on Saturday October 30, 1999 @08:55PM (#1574467)
    how much you wanna bet people start superimposing images of ghosts or whatever on it (i'm talking actually doing a decent job, working with translucency, etc) and saying they plucked it off the site and were the first to see it? aye. seems kinda ridiculous to me to even put one up, but i guess it's a decent way to generate page impressions.
  • From what i saw earlier I think the camera leaves a lot to be desired and may be leaving artifacts... i would really like to see infrared actually.
  • by Anonymous Coward
    I recall there was even an episode of a Nickelodeon show about that very library... Maybe it really is haunted! :-) Webcams really are everywhere though... I ran into a site with a camera in the same building I was in a few days ago, and the people on the other end of it came looking for me when they saw my IP connect. It's a very scary thing when the person on the other side of the web appears in real life - maybe this ghost thing will be cooler than I thought!
  • by Mignon ( 34109 ) <satan@programmer.net> on Saturday October 30, 1999 @09:16PM (#1574470)
    I don't know about the other places you mentioned, but there are web cams on Loch Ness. The image on the page cycles through the different ones. It's really pretty boring. I watched for a while at work and saw a dark spot on the lake, but it turned out to be a boat as it got closer.

    I leave it as an exercise for the reader to find the URL for the Loch Ness web cam.

  • by Plasmic ( 26063 ) on Saturday October 30, 1999 @09:21PM (#1574471)
    This page [courierpress.com] has pictures that people have submitted who claim to have spotted the ghost. Having made every effort to try not to be overly cynical, I must say that those pictures combined with their comments make for the dumbest reading ever. This would likely be more interesting to an individual with vision impairment than it is to me, because I can clearly see that there isn't a ghost.. they'd have to squint or take the ignorant folks' words for it. People appear to be seeing ghosts in the graphic compression algorithm (blocky images in certain places), not to mention some outright hallucination.

    At first glance it seems as though this is some public service to people who are ghost-seeking folks. But, then you scroll down and see ad banners and (at least to me) it all clicks. They want tons of people to spend their entire day sitting on their web site looking at the "ghost cam" as it refreshes every 30 seconds, building up tons of impressions. Okay, don't think I'm pretending that 90% of Slashdot readers didn't realize this.. but for those of you who are too skeptical to even go look at the Ghost Cam (or when everyone wakes up in the morning in the US and the site dies), I think my explanation is pretty valid.

    Another thing that's interesting is that all of the "comments" on the proof page seem strikingly similar. Without knowing anything else I'd say that most of them were fabricated. Who knows? I think I have an extreme aversion to anything on the Net with a central theme of "ghosts". Except maybe GhostView.
  • I thought the proof page was quite weak, whenever you blow up a picture it looks really bad. For the most part you could circle anything and it would get posted as proof. I didn't see any good ones, anybody else got the time to find a good pic?
  • by Tsian ( 70839 )
    It seems like another waste of time that will probably as an april fools or halloween joke superimpose an image onto it!

    I mean, what is the point? It is like watching a ghost on video or 'real life UFO footage', you as the watcher, just can't believe it unless you're actually there (due to the number of hoaxes out there).
    still, this site is still worth a quick look and a laugh.
  • I'd be surprised if any real ghosts show up, but I wouldn't be very surprised to see people doing the usual sorts of things in front of it. Or doing unusual sorts of things, at least for the location ;)
  • by Bryan_Crowl ( 87192 ) on Saturday October 30, 1999 @09:28PM (#1574475) Homepage
    Ghost cams have been around for quite a while now, some other interesting ones are @
    GhostWatch [irelandseye.com]
    Ghostwatcher [flyvision.org]

    I believe there is even a Loch-ness monster cam @
    "Offical Lochness Site [lochness.co.uk]
  • You think you will find some people making out in the back, or find people flashing the camera? That is just too funny, but possibly true.
  • I've heard my fair share of ghost stories - why the hell are they always in academic institutions?!?!?! I suppose the buildings are old and thus chock full of explanations for the presences. In any event, I'd be curious to know whether the folks running the webcam actually hold on to the pictures themselves for comparison purposes when someone sends in a potentially edited "evidence" image.

    Chances are it's a celebration of photoshop, not a ghost. ;-)
  • by Ater ( 87170 ) on Saturday October 30, 1999 @09:32PM (#1574478)
    OH MY GOD I JUST SAW THE LADY IN GRAY!!!! She's right over there, on that blurry spot... oh wait, maybe the webcam's images are just pretty grainy and low quality.

    Seriously, I really doubt that any of these images found can be drawn to an exact conclusion. First of all, the camera simply doesn't provide suffcient quality images for one to really verify the presence of a ghost. Also, I looked at the "proof" section and noticed nothing out of the ordinary in any of the pictures. Maybe this was because these pictures were even more blurry and grainy the live webcam shots, but all I saw were random colored arrows pointing to blurs.

    And as someone said earlier, how do they judge whether a picture is fit for proof or not? I bet you could easily blur or anti-alias a section in photoshop, draw a few colored lines around it, post, and you'd have yourself a spot on the page. I think some of us /. readers should try tampering just to see if they get posted as real proof.

    Yeah I know this is mainly a little just for fun project, but still I'd like to see some level of realism here. Maybe it's just years of watching Unsolved Mysteries, but I think paranormal investigation is an interesting (even if it seems like a crock) field and should be given some credit. A bunch of random people posting blurry quickcam shots isn't going to prove anything, rather it would further damage the credibility of any legitimate efforts to locate paranormal activity (I think there are some, regardless whether the activity is really ghostly or logically explained).

    Oh well, I bet there is no ghost in the library, because by now she would definitely have gone up to the camera and gave everybody the finger in an attempt to look leet. :) (just like every geek I know who gets a new webcam)
  • Is it just me, or are all the "ghosts" on the site simply jpeg aliasing?

    Maybe they should have the camera snapping gifs, then we will see how many ghosts are spotted!
  • by Mr. Flibble ( 12943 ) on Saturday October 30, 1999 @09:37PM (#1574480) Homepage
    This is one of the funniest links that I have seen in some time. I got a great laugh out of it. I realize that a substantial part of the population (American and otherwise) believes in the existance of ghosts.

    However, if you read Carl Sagan's "The Demon Haunted World Science as a Candle in the Dark", specifically the chapter on "baloney detection"...
    I think that you will see that this is bunk. People that cannot apply skeptical thinking to things such as these frighten me more than the existance of a real ghost would!

    Fortunatly, there seem to be a good number of skeptics on Slashdot.

    But on a lighter note: Its all hallows eve! So we might as well have fun with it.
  • by Anonymous Coward
    A BOOKSHELF
    The books start to slide forward then the whole shelving
    unit topples over and almost crushes the team under a ton of
    books. They jump to safety.

    VENKMAN
    Nice.

    (out loud)

    Hello...

    Spengler looks at his meters and silently points at a dark
    aisle intersecting the one they're in. The team inches toward
    it.


    SPENGLER
    It's here.

    They stop at the corner.

    INT. THE DARK AISLE -- DAY
    The team peeks around the corner and looks toward
    camera.

    THEIR POV -- DAY
    An ethereal presence is hovering between the stacks about
    four feet off the ground. It seems to waver on the edge of
    being and non-being, then a large legless, headless torso
    begins to emerge.
  • If they really want to spot ghosts (as opposed to generating some traffic on their page), they better digitally sign every image they post. Makes manipulation really hard, without having to store the whole bunch-o-jpegs.
    --
  • by Anonymous Coward
    now, let me get something straight first. until today, I did not believe in ghosts. frankly, the idea that a public library would be encouraging some kind of ridiculous ghost hunt in the late 20th century appalled me. but no more! I'm a believer! rationalism is for the weak!
    I don't want to go around ruining the contest for everyone, so I didn't submit it to the contest. I'm sure everyone will have a lot more fun if they still have a chance to win. however, my evidence is obvious and incontrovertible.
    I've taken the liberty of adding a few arrows pointing toward the mysterious and beautiful apparation... she's sitting in a chair at the back of the room, reminding us all that there is life after death, that we are more than just another species of animal, that if we all close our eyes and wish hard enough, we'll become more than sex-crazed beasts hiding behind the silly mask of irrational spiritualism, possibly copulating and passing on our genes before dying and being recycled into nutrients for other forms of life! the answer is right before your very eyes!
    Behold! [geocities.com]
  • I've seen a picture of a ghost before, so I find this fascinating.

    At least one of these pictures (blurry near the camera [courierpress.com]) really looks pretty good. I can see the arms holding a paper on the desk. Enlarge it in The Gimp if you have to, and compare it to any other picture. I did.

    Of course, it could be faked. It looks like there's nothing to stop that. But I checked it against another file, the JPEG headers look the same (creator info and stuff) and the file size jives, too. So maybe it's real. Or maybe everyone uses Photoshop to fake their ghost pictures. :)


    ---
    pb Reply rather than vaguely moderate me.

  • Comment removed based on user account deletion
  • by gargle ( 97883 ) on Saturday October 30, 1999 @10:13PM (#1574486) Homepage
    You may be to explain away the ghostly shadows, but try to explain how the camera ... ended up pointing in a different direction one day!!!!!! It's inexplicable! I'm starting to believe that there's really something out there!

  • Imagine someone crack this box and replace the webcam video by a fake video showing the ghost, wouldn't that be a cool crack?
  • I noticed that too, and it was made with Photoshop. However, another image that didn't look faked was also, so either there are some really bad fakes out there, or someone else resizes them in Photoshop before they get to the web page...

    A better option would be to have a 'Submit' button where it automatically saves that picture for review, instead of relying on people to send the pictures in. That would take out one layer of allowing people to fake entries.
    ---
    pb Reply rather than vaguely moderate me.
  • And a photon gun (or three) to hold it still until they can get it in there! But whatever you do--DON'T CROSS THE STREAMS!

    Seriously, though, "ghost photo's" have got to be one of the easiest things in the world to fake, even more then UFO's. I bet I could whip up some spectacular specimens right now, and I've only got Photoshop 5.02 on this rig. Certainly better then what's on the Art Bell [artbell.com] ghost page, at any rate.

  • by KaHa ( 368 )
    Now, THIS sounds like the posting of a dumb hick.
    You lump anybody doing paranormal research together
    and call them "ridiculous", and naurally expect that
    everybody reading this is, in a fit of narrow-mindedness that
    rival your own, lumping the folks of Evansville together
    as "Dumb Hicks".
    The "Grey Lady" is a well-known phenomenon. WHAT it
    is or is not has yet to be determined.
    Nobody is more skeptical than the people that investigate
    this sort of thing. But at least they aren't narrow-minded.
  • Oh, god. . .thank you! You just reminded me what a total riot that flick is. I'm getting a DVD drive for my box soon, and "Ghostbusters" is now going to be disk No.1 in my collection.
  • um.. maybe because Windoze has a stranglehold on
    the market? Of *course* most of the stuff is circled
    with Paint!
  • My grandparents live in Evansville and both my parents grew up in Evansville. Somehow this doesn't surprise me at all. ;) Actually, I think I may have been to that library before, I don't recall hearing anything about ghosts though. And I agree with every other sane person who has looked at that page, I don't see anything other than jpeg compression, and even then I can't even pretend to make out the image of a ghost in any of them. =P
  • by plunge ( 27239 ) on Sunday October 31, 1999 @01:07AM (#1574495)
    It's actually quite amusing, because most of the "ghost" proof photos are really just very common jpeg compression and aliasing artifacts. I see stuff like that all the time when working on low bandwidth graphic designs: Look! That (--edited out for legal reasons--) company logo is waving at me!
  • by BorgDrone ( 64343 ) on Sunday October 31, 1999 @01:33AM (#1574496) Homepage
    It's just the human brain playing tricks on you. the brains is constructed in such a way it wants to recognize shapes , lines and even faces.
    because of this, a blur in an picture will easily look like a face.
    I wonder if people would report ghost sightings if they didn't know the library was haunted.
    what about setting up a camera on a location where there are no ghosts sightings.
    and tell the visitors there are ghosts and then you count how much reports you'll get from people who see ghosts in the blurs.


    ---
  • by gad_zuki! ( 70830 ) on Sunday October 31, 1999 @02:03AM (#1574497)
    Even if there was a ghost there, there would be no way to even semi-validate the photos once you download them and start tinkering around. The really convincing ones are obviously photoshoped and the rest are, unfortunatly, from well meaning weirdos.

    Heh, maybe it'll be revealed to be just another boring webcam that some cracker changed the URL to make into a ghostcam. Any cam is a ghostcam if you really try.

    "Whoa man, did you see that spook in the Voyerdorm's bathroom? Yeah right there by Jamie's butt!"

  • Comment removed based on user account deletion
  • by Mr Z ( 6791 ) on Sunday October 31, 1999 @02:38AM (#1574499) Homepage Journal

    Most of the ghosts look more like JPEG artifacts (eg. ringing and smoothing) than actual ghosts. To make this a serious endeavor, they need to take the IR filter off the camera and set the JPEG quality factor to maximum.

    The rest look like they were done in Photoshop. One of them [courierpress.com] has such sharp lines on the "blurry ghost area" that it seems to be a rather obvious fake. (If the blurry area were that sharply delineated in real life, then there would've been more artifacts in the JPEG.)

    Given the nature of it all, this looks more like a PR stunt than anything else. Welcome to the Web 1999!

    --Joe --Joe
    --
  • by account_deleted ( 4530225 ) on Sunday October 31, 1999 @02:50AM (#1574501)
    Comment removed based on user account deletion
  • Wouldn't it be simpler (if less fun) to perform image analysis on the image...

    I just remember reading Michael Crichton's Rising Sun which went into detail on image analysis etc as it related to video. The image would not be 'still' in the sense that even if nothing is happening on screen, due to the technologies, there will be inherent 'movement'. There are algorithms available which will allow real movement to be detected and so on.

    JPG is a pathetic format for something like this which (being a bit of a skeptic myself) a skeptic could easily tear apart. At least bump the quality up to maximum. Having said that, I haven't seen any TIFF cameras around lately. :)

  • Comment removed based on user account deletion
  • This article brought back many happy memories. Imagine its way back in 1989, and you are in the middle of the cornfields of Southern Indiana. There is no World Wide Web--in fact, the best source of new information about the computer revolution is the grocery store--because it sold the Computer Shopper magazine, which I breathlessly waited for each month. Places like Willard Library were crucial to the development of a budding hacker/geek. It is a marvelous old Victorian building...beautiful polished wood everywhere--and creaky wooden stairs. Just exactly the place you'd think would be haunted. What kept me going back time and again were its awesome selection of sci-fi novels and its philosophy books--some of which you could find nowhere else in the Midwest. Without libraries such as Willard, my geeky instincts would have died from a suffocating lack of stimulation. Having a card from Willard actually had panache--I remember the one time when I was able to use my Willard Library card instead of my Driver's Liscence for ID, and it was accepted no questions asked. They knew if you went to Willard, you were a Good Guy (TM). Thanks for running this story--it brought back a lot of good memories.
  • It was just paranormal gattabout Lord Arthur C. Clarke's show 'Mysteries of the Unknown.' Or something like that. He was just beating his gums about how ghost sightings may be real but only as recorded impressions onto old buildings that interact with the human brain, through EMI. Its a very neat fence-sitting position, which takes into account the history of sightings and some very weird unexplained photos along with the skeptic view and tries to make a crowd-pleaser of an explanation.

    It actually does neither of these as lots of old granite buildings (or whatever material it was) have no ghostly history and it ignores the photo evidence. Needless to say the jury is still very much out.

  • by Mr. Flibble ( 12943 ) on Sunday October 31, 1999 @04:09PM (#1574506) Homepage
    I don't deny that you saw what you saw. However, I take issue that what you saw were ghosts. I have had my "paranormal" experiences too.

    Most recently while driving home after a long whitewater kayaking trip (I had been awake for 2 days straight) I witnesses one of the shadows on the right of the road... Get up and walk across the road! Not only that, but my tired brain saw it as one of the Nine Riders in J.R.R. Tolkien's The Lord of the Rings!!!

    I swear to you that this is what I saw. Now, I don't for a moment believe that one of the Nine is out walking along the highway near my house. I do believe however that I was very tired and started to hallucinate. (Sleep deprivation causes such things, so sayeth my Psycology professors). Really, I should NOT have been driving under those conditions.

    Now, after I saw this apparition I thought "Cool!", then I burst out laughing at myself. I don't think myself immune to hallucinations. I don't think anyone REALLY is. (If they were, LSD would have no effect on those people IMO.) Not that I have done LSD, but my point is that the human brain is a electro-chemical device. Minor changes in brain chemistry (for whatever reason) or simple changes in thought processes can radically alter how we percive our world. I have had other events similar (and creepier) than this occur throughout my life. I don't find the events reproducable, nor quantifiable under current scientific (Physical and Psycological) thinking.

    I think its fine to believe in what you saw. Again, I am not doubting that you actually saw what you did, I am doubting that what you saw was explanied "only" by ghosts. There are other explanations.

    As to the "poltergeist" you describe, there are many other reasonable explanations (other than hallucination). Occham's [sp] razor comes into play here: The simplest solution is probably the correct one. I won't proffer any explanations, I will leave it as an experiment for the readers of slashdot (those who understand the scientific method anyway) to come up with their own.

    It is fine to believe in ghosts (or relgion, or magnetic therapy, or channeling, or crystals, or...) Again, many people believe in such things.

    I however do not.

    I believe (notice that believe is a key word here! :) That everything has a rational explanation. This is why I mentioned "The Demon Haunted World, Science as a Candle in the Dark". It is very good reading, and could teach many people skeptical thinking skills.

    I just hope to see more skeptical thinkers in this world. A lack of skepticisim IMO breeds faith (which can be quite a positive force!) but faith can become fanatacism. I fear fanatics.

    Thats my take anyhow! :)
  • by Cerberus7 ( 66071 ) on Sunday October 31, 1999 @04:46PM (#1574507)

    Oh, no! That was almost the perfect joke!

    Try this...

    The Blur Jpeg Project

  • This is one of those places were I take issue with Sagan, the Skeptical Enquirer (sp? God I'm tired), etc.

    I believe (notice that believe is a key word here! :) That everything has a rational explanation. This is why I mentioned "The Demon Haunted World, Science as a Candle in the Dark". It is very good reading, and could teach many people skeptical thinking skills.

    Very often this is transformed from 'find a rational explanation' to 'any other explanation is irrational', with the explanation being hallucinations, usually. Regardless of whether that was the intention of the author (in some cases it certainly seems it was), I'm tired of seeing people use 'Sagan said you're demon haunted' as a justification for dismissing anything they don't like. (Note: I'm not at all accusing you of this, your mention of Sagan just triggered a rant reflex.)

    My current favorite example involves several studies that seemed to provide evidence for ESP. These were recently disproven by a meta-analysis that showed the were most likely flukes. Fine, that's a perfectly resonable explanation; testing for ESP isn't really an exact science.

    The problem was that in building the meta-analysis, several more recent studies weren't included even though the authors (of the meta-analysis) admit they would have the swung the results around toward 'something odd is happening'. The reasoning? None, except a handwave about the studies being too recent to be incorporated. I don't care whether ESP exists--I don't have it if it does--but this is an absurd defense of the 'reasonable explanation', methodological error.

    (If that post made sense at all, someone give me a brownie point.)
  • It turns out that the first thing that your roomate does is to turn off the webcam ;)
  • by Anonymous Coward
    Those idiots! Don't they realize that doing this will rupture the barrier between the ethereal and physical worlds? It'll cause a black hole effect, that will throw our dimension back into the time when the demons ruled the Earth. This was a horrible and bloody time. Now our entire existance is threatened, because some dope wants to webcam something other than their office toilet. What a way to end the world!!!

  • Very often this is transformed from 'find a rational explanation' to 'any other explanation is irrational', with the explanation being hallucinations, usually. Regardless of whether that was the intention of the author (in some cases it certainly seems it was), I'm tired of seeing people use 'Sagan said you're demon haunted' as a justification for dismissing anything they don't like.


    I agree on you with this. I mention Sagan because he is one of my favoured writers (along with Stephen J. Gould). I am not however "hiding" behind Sagan. (Many do). I refer to his book simply because it is quite well written, and is one of the most concise sources of skeptical thinking around.

    You are correct: people use the argument "Sagan said that..." I don't subscribe to that argument. Given that Carl is dead I doubt that he has said a word since his death.. :) That aside, I prefer to bolster my arguments with his reasoning process, but the thoughts and conclusions are my own and not his. Again, fanatics (of any kind) scare me.

    Skeptical thinking may not be "nice" but it is effective.

    But I understood your argument, so I guess you get a brownie point! (Now if I could only understand mine.....)
  • I find it fairly incredible that anyone of education could contribute these sightings as anything more than a publicity stunt, or an attempt to make money off ads.

    If they had intended to make the webcam accurate, they would have used a form of encryption and data stamping - if not several.

    Besides, if they were truely interested in discovering this ghost, a web cam is not an accurate way to do so, with ~20 second gaps between shots on some. A security camera would be more efficient. Technology is fun and great, but when it's not the most practical application to get the job done... use the least common denominator.

    I mean, how many web cams have absolutely NOTHING happening, while there's someone 2 feet to the left of the camera, working on their computer? I'm sure it happens often.

    And considering that ghosts haven't been known to stop by for tea, the likelyhood of a ghost being caught digitally are even more slim. I mean, they're called 'ghost sitings', not 'ghost visitations'...

    I personally think that there are spirits out there in some shape or form, but rarely manefest themselves in the physical. (MHO)

    -------
    CAIMLAS

  • by Issue9mm ( 97360 ) on Sunday October 31, 1999 @03:05AM (#1574514)
    Okay, if they were REALLY trying to catch this bastardly little ghost, then why aren't there ANY fraud protection in place to prevent it... I mean, really, I could stick a picture of Mickey Mouse in there at this point, at a little gaussian blur, crank down the opacity, and voila... instant ghost.

    Anyway, it would be so easy to prevent this from happening, it's as if they don't care. First and foremost, time-stamp all the images. Duh.. Secondly, (and they had BETTER be doing this already) recording the feed on location, or AT LEAST archiving each image that gets posted to the web.

    With these two SIMPLE procedures in place, in the event of a really convincing shot, it will give them the ability to see if the shot being submitted is at least the same shot as the one that was on the web, without any altering.

    PS - Maybe it's just me, but the circles and arrows and whatnot bugged the hell out of me... If there HAD been something there, I wouldn't have seen it because it was already too grainy WITHOUT the distracting yellow indicators. Also, I really don't think I saw anything ghost-worthy. One pic with a blur close to the camera was okay, but coulda been faked far too easily..

  • by Anonymous Coward
    I remember seeing this way back, and thinking regardless of how silly it was, it was really smart. This new cam is kinda smaller scale compared to GhostWatcher...
  • by Anonymous Coward
    I've seen ghosts. I can't prove it but I know what I saw. I was about 8 or 9 years old playing with some friends in a wooded area behind our housing development. There was an abandoned (I think) house that we all considered creepy for whatever reason and we happened to go near it that day. I caught something out of the corner of my eye and turned to look. There were two white figures about 50 yards away from the house. They were kind of gliding along perpendicular to me. I did a double take and they were gone. But I tell you I have never forgotten that. I'm 27 now and consider myself pretty skeptical and rational. I still believe I saw a couple ghosts that day. Haven't seen anything since though.

    Another person I know who is in her 50s described an event she had with what I guess you'd call a poltergeist. She was home alone washing dishes one day when she heard the door handle from the basement to the kitchen rattle like someone trying to open it (it is deadbolted so you can't actually open it from the basement side if it's locked). She turned off the water and heard it again! She thought it was a burglar so she started yelling "Who's there?!" to try and scare the fellow off. The noise continued. Then she ran outside the house to a neighbor to call the police. When they investigated the house, they could find no sign of entry or exit in the basement and no burglar. She is now convinced it was probably a ghost of some sort and I believe it.

  • by Anonymous Coward on Sunday October 31, 1999 @03:33AM (#1574517)
    Heres a solution:

    Write a program. The program could use an existing picture of good quality, then download new images and compare. If there is a block pixel change (a square of x size, having all pixels changed) then, the new image is flagged. Else, the image is thrown away. The resulting "ghost pictures" can be inverted in Photoshop, it will be obvious which ones were camera caused an which were not...
    This would rule out human interpretation, and could be used over a long period of time. What do you think?

    Biguser@hotmail.com [mailto]
  • by account_deleted ( 4530225 ) on Sunday October 31, 1999 @03:35AM (#1574518)
    Comment removed based on user account deletion
  • by British ( 51765 ) <british1500@gmail.com> on Sunday October 31, 1999 @04:01AM (#1574519) Homepage Journal
    Even with firing up PSP and splitting it into CMYK and HSL channels(Predator's point of view almost), i really cant see any ghost they are talking about. It looks just like JPEG artifacts. They really should of used PNG and a larger image. Hmm. Interesting to look for the ghosts though.

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