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Coded Computational Imaging Agrawal, Veeraraghavan, Narasimhan & Mohan
Amit Agrawal, Ashok Veeraraghvan, Srinivasa Narasimhan and Ankit Mohan
Mitsubishi Electric Research Labs (MERL)Robotics Institute, CMU
MIT Media Lab
Coded Computational ImagingCoded Computational Imaging
Course WebPage : http://www.umiacs.umd.edu/~aagrawal/CVPR10Tutorial/index.html
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Course OrganizersCourse Organizers
Amit Agrawal(Research Scientist ,MERL)
http://www.umiacs.umd.edu/~aagrawal/
Ashok Veeraraghavan(Research Scientist ,MERL)
http://www.cfar.umd.edu/~vashok/
Ankit Mohan(Post-doc, MIT Media Lab)
http://www.umiacs.umd.edu/~aagrawal/
Srinivasa Narasimhan(Associate Professor, CMU) http://www.cs.cmu.edu/~srinivas/
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Shree NayarRamesh RaskarMarc LevoyAnat LevinBill FreemanShuntaro YamazakiLi ZhangJames DavisBrian CurlessVlad BranzoiTerry Boult
AcknowledgementsAcknowledgements
Moshe Ben EzraYoav SchechnerPaul DebevecHendrik LenschWojciech MatusikRavi RamamoorthiTakeo KanadeTodd ZicklerPradeep SenWikipedia (Imaging History)
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Camera Obscura, Gemma Frisius, 1544
1544A Brief History of ImagesA Brief History of Images
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Lens Based Camera Obscura, 1568
1544
1568A Brief History of Images
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Joseph Nicéphore Niépce (1765-1833) The first negative (not original)[Not fixed…quickly vanished]
1544
1568A Brief History of Images
1816
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1568A Brief History of Images
18161826
The first permanent photograph (8 hour exposure), Niepce
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Still Life, Louis Jaques Mande Daguerre, 1837
1544
1837
1568A Brief History of Images
18161826
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Daguerreotype Panorama (wiki)
A Brief History of Images
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1544
1837
1568A Brief History of Images
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1841
William Henry Fox Talbot , negative to positive photographic process
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1837
1568A Brief History of Images
18161826
18411861
tartan ribbon, James Clerk Maxwell, additive color photograph
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1837
1568A Brief History of Images
18161826
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Louis Ducos du Hauron, subtractive color photograph
1868
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1568A Brief History of Images
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The Horse in Motion, Muybridge, fast motion using 24 cameras.
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1568A Brief History of Images
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The Leica, the 35mm format in still photography.
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1925
The photographic film is cut into strips 35 millimeters wide.
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Poloroid instant image camera
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Edwin H. Land
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Silicon Image Detector, 1973
A Brief History of ImagesA Brief History of Images
1973
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19251948
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A Brief History of ImagesA Brief History of Images
1973
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1995
Digital Cameras
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Canon.com
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[Shree Nayar, CAVE Lab]
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GoalsGoals
– Focus on understanding concepts in computational imaging
• Thinking beyond pixels in ray-space
– 4D Lightfield, Plenoptic Sampling
• New ways of sampling the visual world
– Multiplexing
• Modifying the capture process to simplify the problem
– Motion blur, Defocus blur
• Using reconstruction algorithms and priors
– Compressive Sensing
– What we will not cover
• Traditional image processing, photo manipulations & editing
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ScheduleSchedule
Introduction Narasimhan, 10 mins
Assorted Pixels Narasimhan, 20 mins
Coding and Modulation in Cameras Agrawal, 45 mins
Break 10 min
Light Fields and Applications Mohan, 60 mins
Break 10 min
Computational Illumination Narasimhan, 45 mins
Future Trends Agrawal, 15 mins
Discussion