నైరూప్య

PIXEL MEMORY STORAGE REDUCTION

Salil Bhalla, Kulwinder Singh Monga, Rahul Malhotra

An advanced algorithm of online image memory size compression has been introduced in this paper. There are 3 parts into which whole process of online image memory size compression is divided. These are 1) Image capture 2) Pixel level Image compression 3) Image mapping and storage. A block based compression algorithm is being proposed in this. The reference pixel that is the brightest pixel value is choosen first of all and then we compare all the pixel values of the block with the pixel value of reference pixel. After that a comparator circuit is being employed so that in consonance with the proposed mapping the differential values of the successive pixels are further compared through comparator circuit. And then by using the intermediate precision bits selected number of differential values are quantized and calculated. Thus the bits required for on-pixel memory storage are reduced. This enables reduced silicon area for System on chip. Mentor Graphics’ Design Architect tool is being used to synthesize the algorithm.