Colorization Using Optimization
Posted on March 10, 2005 - Filed Under Blogger Posts | Leave a Comment
Colorization Using Optimization
In this paper we present a simple colorization method that requires neither precise image segmentation, nor accurate region tracking. Our method is based on a simple premise: neighboring pixels in space-time that have similar intensities should have similar colors. We formalize this premise using a quadratic cost function and obtain an optimization problem [...]
Make an Infrared Webcam
Posted on March 8, 2005 - Filed Under Blogger Posts | Leave a Comment
MAKE: Blog: Make an Infrared Webcam
Make an IR camera! Using a webcam, removing the lens and replacing it with material from photo negatives, it should block visible light and only let IR through. I haven’t tried this yet, but I think I will. If I get this working I think I’ll put it on my [...]
Star ‘gnome’ is nuclear surprise
Posted on March 5, 2005 - Filed Under Blogger Posts | Leave a Comment
BBC News reports that scientists have found a star that is barely bigger than Jupiter.
What is interesting is that although OGLE-TR-122B is a mere 16% larger than Jupiter, it is actually 96 times more massive.
This Place Sucks
Posted on March 4, 2005 - Filed Under Blogger Posts | Leave a Comment
This is funny, funny and funny. A mashup of Office Space and the Justice Leauge called This Place Sucks.
Read More..>>Freedom to Tinker: Boosting
Posted on March 4, 2005 - Filed Under Blogger Posts | Leave a Comment
The ‘boost’ retraining technique has won the prestigious Kanellakis Award this year.
Suppose we have a machine learning algorithm that does just a little better than random guessing for some class of problems. Schapire and Freund figured out a trick for ‘boosting’ the performance of any such algorithm. To use their method, start by using the [...]
Biometric Pen Verifies Your Signature : Gizmodo
Posted on March 4, 2005 - Filed Under Blogger Posts | Leave a Comment
Gizmodo have found a Signature verification pen. Looks interesting
The Bio-Pen offers the advantage of zero learning curve—simply sign a piece of paper and your transaction or login is authorized, just like a normal credit card purchase. It’s important to mention that the pen tracks the composition of your signature and not simply the resulting image, [...]
Face detection bear
Posted on March 3, 2005 - Filed Under Blogger Posts | Leave a Comment
Engadet reports that microsoft has developed a toy bear with face detection technology, to help keep track of you kids. Creepy.
All appears normal until mom or dad log on and the bear’s head begins swiveling to track the child, which is the point where we’d hope any sensible kid would run screaming. Dude, haven’t [...]
The Couch Potato Tormentor
Posted on March 3, 2005 - Filed Under Blogger Posts | Leave a Comment
This looks fun:
You remember the TV-B-Gone, don’t you? Anonymously turn off any TV, just like that? Well, we didn’t think you could get a product much more amazing and enjoyable (and simultaneously obnoxious) than that, but the Couch Potato Tormentor may very well take the cake. Instead of just turning your TV off, it randomly [...]
Password Replacements
Posted on March 3, 2005 - Filed Under Blogger Posts | Leave a Comment
Marian Luparu wrote a very good essay on possible password replacements. Go have a look.
So what are the alternatives? There are some, but be aware that each of them has its advantages and disadvantages, some may fit awesomely in a business but may fail in doing so in others. This is a list of alternatives [...]
Mobile phones get facial recognition
Posted on March 3, 2005 - Filed Under Blogger Posts | Leave a Comment
Mobile phones get facial recognition:
Omron’s Okao Vision Face Recognition Sensor software allows PDAs (personal digital assistants), mobile phones or other handheld devices to use a built-in camera to recognize the face of their owner. Checking the authenticity of a person in this way could bring greater security to a device, the company said.