Face detection for cats in JavaScript

http://harthur.github.com/kittydar

by stevewilhelm • 14 years ago

80 36 14 years ago

harthur.github.com

csaba3• 14 years ago

This is not working for me, with the test images (or any other image). :\ Edit: Cannot read property 'type' of undefined. Demo.js:64

NameNickHN• 14 years ago

What browser and platform are you using? I'm using Firefox and it's working fine for me.

csaba3• 14 years ago

Windows 8, chrome 22, opera next, opera 12.02, firefox 15. Hmm, actually in ie 10 it's doing it's stuff.

seanlinehan• 14 years ago

I have the same issue. I'm on Chrome + Ubuntu.

molukk• 14 years ago

Had the samme issue. Chrome 21 (and now 22 after checking version). Happened when I dragged and dropped an image from another Chrome window. Worked fine when dropping a local image.

csaba3• 14 years ago

Yeah, with local images it works fine.

hirenj• 14 years ago

You have to click on the test images, rather than dragging the images onto the area!

tsahyt• 14 years ago

One of the test images with 4 cats on it was reported to have only 2 cats on it by the cat detector. Still, good work :)

TazeTSchnitzel2• 14 years ago

It's been completely ineffective so far, but it's a nice idea! :3

Arvin2• 14 years ago

Failed to find cat on grass http://catoftheday.com/archive/2012/September/25.jpg

Failed to find cat yawning http://catoftheday.com/archive/2012/September/28.jpg

Found two cat faces with image of one houseplant and one cat http://catoftheday.com/archive/2012/September/28b.jpg

Success with Sphynx cat http://catoftheday.com/archive/2012/September/27.jpg

willvarfar• 14 years ago

> Found two cat faces with image of one houseplant and one cat http://catoftheday.com/archive/2012/September/28b.jpg

Isn't there a second cat behind the houseplant?

esrauch• 14 years ago

I thought you were kidding at first. The algorithm is apparently better than humans at detecting cats.

justindocanto• 14 years ago

Failed on a blatant cat face: http://d.pr/i/sAJK

aeurielesn• 14 years ago

Tom Cruise has definitely a catty smile - http://i.imgur.com/Mxbop.png

ArekDymalski2• 14 years ago

Of course. He's Cheshire: http://lordwhatsmymotivation.files.wordpress.com/2008/10/che...

unbeli2• 14 years ago

failed on this one: http://static.neatorama.com/images/2006-05/riley-maine-coon-...

jonmrodriguez• 14 years ago

That's because Histogram of Oriented Gradients is not invariant to object orientation: http://en.wikipedia.org/wiki/Histogram_of_oriented_gradients... (second paragraph).

This example app was trained on upright cats.

unbeli2• 14 years ago

Nope, still fails on a cat-upright version: http://i48.tinypic.com/2i0ejxl.jpg

mehulkar• 14 years ago

That's not a cat, that's a dinosaur.

ArekDymalski2• 14 years ago

I also fail to find a cat on this picture.

fidz• 14 years ago

what algorithm do you use? Is there universal algorithm for face detect (or some kind of "object detect")?

seiji• 14 years ago

For a good overview of methodology and terminology, start here http://www.idiap.ch/~rodrig/publications/pdf/rodrig-thesis-2...

apu• 14 years ago

This work is based on a fairly old research paper. Since then, there has been significant progress on detecting dogs and cats more reliably.

Two prominent groups that are working on it are Andrew Zisserman's group at Oxford: www.robots.ox.ac.uk/~vgg/publications/2012/parkhi12a/parkhi12a.pdf

And Peter Belhumeur's group at Columbia University, who'll be presenting a new paper on detecting and recognizing dog breeds at the European Conference on Computer Vision (ECCV) in 2 weeks. [Peter was my PhD advisor]

More generally, many people in computer vision are getting excited about "fine-grained visual categorization," which is about classifying things at roughly the "species" level. This is in contrast to a lot of the previous computer vision literature, which either focused on generic categories (e.g., people vs animal vs car vs rocket-propelled-grenade) or specific object/instance recognition (e.g., face recognition).

natmaster• 14 years ago

It said some random part of my tshirt was a cat. Then I dragged a picture of a cat, and it said 0 cats. :(

jontwist• 14 years ago

It looks like it loves ears on an upright cat. If the contrast between the angle of the ear and the background is clear it will eagerly draw boxes around them. I have lots of photos of my cat :

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indiecore• 14 years ago

Finally, the tool the internet has been screaming for since 1990!

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SideburnsOfDoom2• 14 years ago

The drag-drop isn't working for me (Chrome Version 22.0.1229.79 on Unbuntu). It would be nice to have fallback to something simpler and more robust - i.e. a way to paste in a URL.

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bmj• 14 years ago

Same with Chrome 22 on Windows 7.

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mistercow• 14 years ago

I can drag from nautilus to Chrome in kubuntu (yes, this is a weird combination), but not from Chrome to Chrome, for whatever reason.

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TazeTSchnitzel2• 14 years ago

Are you dragging in images from web pages? Or files from Nautilus?

Only the latter will work (speaking from experience)

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SideburnsOfDoom2• 14 years ago

Ah thanks, it's images from other web pages.

The rectangular border on the "drag an image here to find cats" area flashes like it's accepting the drop and then ... nothing.

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vnlq• 14 years ago

Failed on drunken cat http://oi48.tinypic.com/1e9quq.jpg

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rootedbox• 14 years ago

This thing fails too often. I need accurate face detection for cats; and I need it now!

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sproketboy• 14 years ago

Doesn't work.

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digitalpacman• 14 years ago

Windows 7, chrome (newest), doesn't work, can't drag drop.

Uncaught TypeError: Cannot read property 'type' of undefined demo.js:64 handleFiles demo.js:64 (anonymous function) demo.js:48 f.event.dispatch jquery.js:3 h.handle.i

Face detection for cats in JavaScript

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