Color correction for mobile panorama imaging
Yingen Xiong, Kari Pulli · 2009
This paper presents a simple and efficient color and luminance compensation approach for image sequences for constructing panoramic images on mobile devices. In this approach, constant compensation coefficients for adjacent images are computed from the corresponding pixels in the overlapping areas of the adjacent images in the linearized RGB color space. A global adjustment for all compensation coefficients is performed so that the correction for each image is as small as possible. This can smooth color transition between adjacent images in the image sequence globally and reduce cumulative errors in the color correction process. The compensation coefficients, together with the global adjustment factor, are applied to correct color and luminance of source images in the image sequence before they are stitched into a panoramic image.