Spatially Varying PSFs due to camera motion

1/3 Sec Exposure

1/5 Sec Exposure

1/10 Sec Exposure

Images taken with a 12 MP Canon 1Ds mark III with a VGA 200 FPS Point Grey camera attached to it. The camera positions were recovered using structure from motion on the high speed frames (plus several wide baseline images from the high speed camera and SLR) and mapping that motion to the SLR using the recovered transformation between the two cameras.

For all images I made an effort to keep the camera steady but didn't do anything special -- although the camera is pretty heavy, so there is a lot of intertia which damps the motion some.

Shots are grouped by exposure time. Within each row I show:

the full image significantly downsampled
a small center section of the full resolution image
a plot of the rotation and translation relative to a worl axis that is coincident with the first timestep of the exposure
a visualization of the spatially varying PSF (computed for an image 30% the size of the orginal 12 MP) at several depths: [0.5 1 5 "infinity"] meters.

You might find snoop useful for looking at some of the PSFs.

full image (click on image to see it at 30% resolution of the original)	cropped image (click on image to see it at 100% resolution of the original)	graph of motion over time (click on image to see a bigger plot)	visualization of spatially varying psf at 0.5 meters (image at 30% resolution)	visualization of spatially varying psf at 1 meter (image at 30% resolution)	visualization of spatially varying psf at 5 meters (image at 30% resolution)	visualization of spatially varying psf at "infinity" (image at 30% resolution)

full image (click on image to see it at 30% resolution of the original)

cropped image (click on image to see it at 100% resolution of the original)

graph of motion over time (click on image to see a bigger plot)

visualization of spatially varying psf at 0.5 meters (image at 30% resolution)

visualization of spatially varying psf at 1 meter (image at 30% resolution)

visualization of spatially varying psf at 5 meters (image at 30% resolution)

visualization of spatially varying psf at "infinity" (image at 30% resolution)