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Computational Photography

Sommersemester 2012

A cutaway view showing some of the optical and electronic components in a Canon 5D Mark II - one of the most capable prosumer digital cameras (image from Canon USA). By inserting a microlens array into a conventional handheld camera, one can create a plenoptic camera, which can record a light field in a single snapshot. The photographs produced by a plenoptic camera can be refocused after they are captured, and the viewpoint can be moved. Click above for an example of digital refocusing. Dual photography lets us read a hidden playing card from its reflection in the page of a book. The card's face is shown at lower-right.

  • 2012/07/16 project deadline scheduled for September, 3rd
  • 2012/07/16 exams scheduled for August, 13th
  • ---
  • 2012/06/12 next Monday's (06/18) lecture moved to Wednesday (06/13), 10am, room 0.02, building E1.7
  • 2012/06/12 course forum online, you can discuss your projects/ general issues here
  • 2012/06/08 slides of previous lectures online
  • 2012/06/08 Project ideas online, projects will be assigned before 2012/06/14, please choose one or find your own
  • 2012/06/08 Fcam API overview, SIGGRAPH talk, ICCV course, please test the API
  • 2012/06/01 Notes on setting up the N900
  • Tutorial on Thursday, May 31st takes place - topic: introduction to programming the N900, teams will be created and mobile devices will be handed out
  • Tutorial on Thursday, May 17th moved to Friday, May 18th (room 0.01, 2-4pm)

Summer term, 2012 (times are c.t., lectures are 90 min.),
first lecture: Monday, April, 23rd
location: room 0.01, building E 1.7

Mon, 23.4. 10-12 a.m.
Mon, 30.4. 10-12 a.m.
Mon, 7.5. 10-12 a.m.
Mon, 14.5. 10-12 a.m.
Mon, 21.5. 10-12 a.m.
Mon, 28.5. 10-12 a.m. (no lecture, pentecost monday)
Mon, 4.6. 10-12 a.m.
Mon, 11.6. 10-12 a.m.
Mon, 18.6. 10-12 a.m. (will be moved)
Mon, 25.6. 10-12 a.m. (will be moved)
Mon, 2.7. 10-12 a.m.
Mon, 9.7. 10-12 a.m.
Mon, 16.7. 10-12 a.m.
Mon, 23.7. 10-12 a.m.
Thursdays, 2pm - 4pm (c.t.)
location: room 0.01, building E1.7

Ivo Ihrke



Although the digital photography industry is expanding rapidly, most digital cameras still look and feel like film cameras, and they offer roughly the same set of features and controls. However, as sensors and in-camera processing systems improve, these cameras are beginning to offer capabilities that film cameras never had. Among these are the ability to refocus photographs after they are taken (see the example above), or to combine views taken with different camera settings, aim, or placement. Equally exciting are new technologies for creating efficient, controllable illumination. Future "flashbulbs" may be pulsed LEDs or video projectors, with the ability to selectively illuminate objects, recolor the scene, or extract shape information. These developments force us to relax our notion of what constitutes "a photograph." They also blur the distinction between photography and scene modeling. These changes will lead to new photographic techniques, new scientific tools, and possibly new art forms.

In this course, we will survey the converging technologies of digital photography, computational imaging, and image-based rendering, and we will explore the new imaging modalities that they enable.

Course requirements

This is an advanced course for students with background in computer graphics or computer vision. The content is reflecting our conviction that successful researchers in this area must understand both the algorithms and the underlying technologies. The lectures may be accompanied by readings from textbooks or the research literature. These readings will be handed out in class or placed on the course web site. Students are expected to:

  1. attend the lectures, and participate in class discussions
  2. complete the assignments

An oral exam will conclude the course. Assignments will count 50% of the final grade, the exam will count the other 50%.

Course material

Related Material

© 2012 Ivo Ihrke
July 17, 2012 01:31:50 PM