Computational Camera and Photography Lecture Notes

Computational Camera and Photography Lecture Notes - MIT...

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MIT Media Lab Camera Culture Ramesh Raskar MIT Media Lab http://cameraculture.media.mit.edu/ MAS 131/ 531 Computational Camera & Photography:
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MIT Media Lab Image removed due to copyright restrictions. Photo of airplane propeller, taken with iPhone and showing aliasing effect: http://scalarmotion.wordpress.com/2009/03/15/propeller-image-aliasing/
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Direct Global Shower Curtain: Diffuser Courtesy of Shree Nayar. Used with permission. Source: http://www1.cs.columbia.edu/CAVE/projects/ separation/occluders_gallery.php
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A Teaser: Dual Photography Scene Images: Projector by MIT OpenCourseWare. Photocell courtesy of afternoon_sunlight on Flickr. Scene courtesy of sbpoet on Flickr. Photocell Projector Figure by MIT OpenCourseWare.
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A Teaser: Dual Photography Scene Photocell Projector Images: Projector by MIT OpenCourseWare. Photocell courtesy of afternoon_sunlight on Flickr. Scene courtesy of sbpoet on Flickr. Figure by MIT OpenCourseWare.
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A Teaser: Dual Photography Projector Camera Scene Images: Projector and camera by MIT OpenCourseWare. Scene courtesy of sbpoet on Flickr. Figure by MIT OpenCourseWare.
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camera The 4D transport matrix: Contribution of each projector pixel to each camera pixel projector Scene Photo courtesy of sbpoet on Flickr. Images: Projector and camera by MIT OpenCourseWare. Scene courtesy of sbpoet on Flickr. Figure by MIT OpenCourseWare.
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camera The 4D transport matrix: Contribution of each projector pixel to each camera pixel projector Sen et al, Siggraph 2005 Scene Images: Projector and camera by MIT OpenCourseWare. Scene courtesy of sbpoet on Flickr. Figure by MIT OpenCourseWare.
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camera The 4D transport matrix: Which projector pixel contributes to each camera pixel projector Sen et al, Siggraph 2005 ? Scene Images: Projector and camera by MIT OpenCourseWare. Scene courtesy of sbpoet on Flickr. Figure by MIT OpenCourseWare.
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Dual photography from diffuse reflections: Homework Assignment 2 the camera’s view Sen et al, Siggraph 2005 Images removed due to copyright restrictions. See Sen et al, “ Dual Photography ,” SIGGRAPH 2005; specifically Figure 16 in the paper.
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Digital cameras are boring: Film-like Photography Roughly the same features and controls as film cameras zoom and focus aperture and exposure shutter release and advance one shutter press = one snapshot Figure by MIT OpenCourseWare.
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Improving FILM-LIKE Camera Performance What would make it „perfect‟ ? Dynamic Range Vary Focus Point-by-Point Field of view vs. Resolution Exposure time and Frame rate
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MIT Media Lab • What type of „Cameras‟ will we study? Not just film-mimicking 2D sensors 0D sensors Motion detector Bar code scanner Time-of-flight range detector 1D sensors Line scan camera (photofinish) Flatbed scanner Fax machine 2D sensors 2-1/2D sensors – „3D‟ sensors 4D and 6D tomography machines and displays
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