Real Examples: Street Sequence

Back to the index

Video

The street sequence. This sequence was recorded at 30 frames per second with a Point Grey Grasshopper with a variable exposure time. Click on the video to start playing.

This sequence is very difficult due to reflections in the car windows and the fast rotation of the wheels.

Pairwise flows

Frame 19 to frame 18

In this example, the source (frame 18) is sharp, and the target (frame 19) is blurred.

Please move your mouse cursor over the small images to toggle between the results.

Target Source Baseline flow Our flow Baseline warping Our warping

Frame 19 (target)

Frame 18 (source)

Baseline flow

Our flow

Baseline warping

Our warping

Frame 19 (target)

Frame 19 (target)

Our method better preserves the sharpness of the source. Both methods struggle with the wheels, but our result is more accurate.

Frame 32 to frame 31

In this example, the source (frame 31) is sharp, and the target (frame 32) is blurred. The car windows did not have significant reflections for this pair of frames.

Target Source Baseline flow Our flow Baseline warping Our warping

Frame 32 (target)

Frame 31 (source)

Baseline flow

Our flow

Baseline warping

Our warping

Frame 32 (target)

Frame 32 (target)

Our method better preserves the structure of the wheels, tail light, and windows.

Concatenated flows

Frame 21 to frame 18

In this example, the source (frame 18) is sharp, and the target (frame 21) is blurred. Multiple blurred frames separate the target and the source.

Source Baseline Our method Target

Source (frame 18)

Warped, baseline

Warped, our method

Target (frame 21)

Source (frame 18)

Source (frame 18)

Both methods struggle with the occlusion of the reflection in the car window. Our method is more accurate overall, most noticeably for the wheels, the windshield, the front of the car, and the back-most side window.

Back to the index