Computational Photography

The ultimate camera

The ultimate camera

Creating the ultimate camera

Noise reduction

Field of view

Improving resolution:  Gigapixel images

Improving resolution:  super resolution

Intuition (slides from Yossi Rubner & Miki Elad)

Slide 10

Slide 11

Slide 12

Slide 13

Intuition

Slide 15

Handling more general 2D motions

Super-resolution

How does this work?  [Baker & Kanade, 2002]

Limits of super-resolution  [Baker & Kanade, 2002]

Dynamic Range

HDR images — merge multiple inputs

HDR images — merged

Camera is not a photometer!

Slide 24

Calculating response function

Debevec & Malik [SIGGRAPH 1997]

The Math

Capture and composite several photos

Focus

Light field camera [Ng et al., 2005]

Conventional vs. light field camera

Prototype camera

Slide 33

Simulating depth of field

Digital refocusing

Example of digital refocusing

All-in-focus

Slide 38

Slide 39

Slide 40

Slide 41

Close-up

Motion blur removal

Slide 44

Slide 45

Many more possibilities

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