Patent ID: 6717608
Filing Date: 2004-04-06
Classification: G06T,H04N

Abstract:
A device for estimating the motion between a first image and a second image in a system for creating a panoramic image from a plurality of images taken by a camera, the device comprising:a downsampler for downsampling the: first image, in at least a first and a second direction, so as to produce a first downsampled image along a first direction and a second downsampled image along a second direction; and second image in at least the first and the second direction, so as to produce a second downsampled image along the first direction and a second downsampled image along the second direction; a filter for filtering out any global illumination changes between the first image and the second image; and a estimator for calculating: a first displacement along the first direction between the first downsampled image along the first direction and the second downsampled image along the first direction; and a second displacement along the second direction between the first downsampled image along the second direction and the second downsampled image along the second direction.