System and method for resizing a digital image
OwnerRobert M. Dyas, Mark A. Timkoinventors
Life of this patent
Estimating the term…
Abstract
A system and method for resizing an original image into a resized image is provided. The system processes the luminance channel and the chrominance channels (Cb and Cr) of the original image separately. The original image is divided into original sub-blocks of appropriate size. Each original sub-block may be processed into a corresponding resized sub-block. Only the luminance and chrominance data from one of the original sub-blocks may be used to create a corresponding resized sub-block, thus no overlap techniques need be employed. The system and method resizes the original sub-blocks into the resized sub-blocks without the use of multipliers.
Claims34
A system for resizing an original image into a resized image comprising:
- a luminance circuit for processing original luma data relating to the original image to form resized luma data for the resized image;
- and
- a chrominance circuit for processing original chroma data relating to the original image to form resized chroma data for the resized image.
A system for resizing an original image comprised of original sub-blocks into a resized image comprised of resized sub-blocks, the system processing data from only one of the original sub-blocks to form a corresponding one of the resized sub-blocks.
A method for resizing an original image into a resized image comprising the steps of:
- dividing the original image into original sub-blocks having original borders;
- changing the size of the original sub-blocks to form resized sub-blocks having resized borders based directly on the original borders;
- and
- combining the resized sub-blocks to form the resized image.
A method for resizing an original image into a resized image comprising the steps of:
- processing original luma pixel data relating to the original image to form resized luma pixel data;
- processing original chroma pixel data relating to the original image separate from the original luma pixel data to form resized chroma pixel data;
- and
- forming the resized image based on the resized luma pixel data and the resized chroma pixel data.
Dependencies are inferred from the claim text.