Method and apparatus to correct digital video to counteract effect of camera shake

摘要

The effect of camera shake in digital video is corrected using signal processing techniques. The digital video is a sequence of digital images. When the sequence of digital images are being captured, movement of the imaging device causes the images to shift on the image sensor of the imaging device and affects the quality of the eventual video. Movement of the imaging device is detected while the video is being captured, and a motion information representing the motion is recorded. A processor determines a correcting filter based on the motion information and user input. The processor modifies the sequence of images captured according to the correcting filter and obtains a final corrected video. Corrected video is displayed in a viewfinder.

主权项

1. A method for use in a device that includes a lens, an image sensor, a viewfinder, a memory, one or more motion sensors, and a processor, comprising:
capturing by the image sensor a video and storing the video in the memory; while capturing the video, detecting by one or more motion sensors a motion information representing the motion of the device, and storing the motion information in the memory; calculating, by the processor, a correcting filter to counteract the motion of the device based in part on the motion information; modifying the video, by the processor, according to the correcting filter to obtain a final video; and displaying the final video in the viewfinder.