Category Archives: ComputationalPhotography

Kinect Hacking 104: Is the Kinect IR Projector Modulated or Synced?

Some people have been wondering if the IR projector is somehow synced to the camera that does 3D estimation. Short answer: No. Long answer: The easiest way to visualize a modulated signal is to use an oscilloscope. I got out … Continue reading

Posted in ComputationalPhotography | 3 Comments

Kinect Hacking 103: Looking at Kinect IR Patterns.

So, I’m in the middle of reading every paper and patent related to Kinect, but in the meantime, I want to do something fun. Let’s look at the Kinect projector output. The Kinect projector uses speckle to create this dot … Continue reading

Posted in ComputationalPhotography | 5 Comments

Kinect Hacking 101: Hack a Powershot A540 for Infrared Sensitivity.

Microsoft’s new Kinect sensor is garnering a lot of attention from the hacking community, but the technical specifics of how it works still aren’t clear. I am working to understand the technology at a fundamental level – my interest is … Continue reading

Posted in ComputationalPhotography, Photography | 16 Comments

Fresh Array Output.

This is what happens when you blend 64 images instead of 12: a much better looking composite. Sorry for the silence — things will be picking up shortly.

Posted in ComputationalPhotography, LLFC | 2 Comments

Gifts For The New Year.

Matti has a new version of LFManip up. This one doesn’t rely so heavily on the images being evenly spaced — it uses the SURF library from OpenCV to calculate the distance between photos. Later, we’ll extend it to tougher … Continue reading

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Wishlist for Photography: Ramesh Raskar.

Ramesh Raskar presents his “Wishlist for Photography” at 6sight. Hard to imagine a better way to end this year that to spend an hour dreaming about the future of photographic capture.

Posted in ComputationalPhotography | 3 Comments

Structured Light 3D Scanning Instructable online.

Kyle McDonald has created an Instructable showing how to achieve structured light 3D scanning at home. This technique originated in computer vision literature. The basic idea is that by projecting a known pattern on a surface, it is possible to … Continue reading

Posted in ComputationalPhotography | 1 Comment

A Future Picture Tutorial, Parts 1 and 2.

Matti and I just published two tutorials on Instructables. The first introduces the field of Computational Photography, and motivates the project. The second shows you how to simulate our Large Light Field Camera Array with a single camera . Enjoi.

Posted in ComputationalPhotography, LLFC, Photography | 5 Comments

FuturePicture: The Large Light Field Camera Array, Part 1.

FuturePicture is about the future of photography. It is about cameras with capabilities that sound like science fiction, and look like a million bucks. So you want to influence the future of photography? Well, you gotta build a camera, ’cause … Continue reading

Posted in ComputationalPhotography, LLFC | 12 Comments