Sony Group. has filed a patent for an image processing apparatus that codes coefficient data in parallel for efficient processing. The apparatus divides the image into coding tree units and transformation blocks, allowing for sequential and delayed coding of each line. Additionally, intra prediction is performed for enhanced image quality. GlobalData’s report on Sony Group gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Sony Group, Adaptive video coding was a key innovation area identified from patents. Sony Group's grant share as of January 2024 was 37%. Grant share is based on the ratio of number of grants to total number of patents.
Image processing apparatus for parallel coding and decoding of images
The patent application (Publication Number: US20240040137A1) describes an image processing apparatus and method that involve coding coefficient data related to an image divided into coding tree units (CTUs) and transformation blocks. The processor performs coding of the CTUs in parallel, sequentially coding transformation blocks within each CTU. Additionally, the processor conducts intra prediction on the image, referencing adjacent and non-adjacent transform blocks for accurate prediction. The method ensures efficient coding and decoding of image data by sequentially processing CTUs and transformation blocks, enhancing image quality and compression efficiency.
Furthermore, the patent application details the decoding process performed by the image processing apparatus, decoding CTUs and transformation blocks in parallel. The processor conducts intra prediction on the image, considering motion vectors of adjacent transform blocks for accurate prediction. By decoding CTUs sequentially from a leftmost CTU and entropy-decoding transformation blocks based on occurrence probabilities derived from preceding blocks, the method ensures efficient and accurate image reconstruction. The incorporation of motion vectors in intra prediction further enhances the decoding process, improving the overall quality of the decoded image. Overall, the patent application presents a comprehensive approach to image processing, focusing on efficient coding, decoding, and intra prediction techniques for enhanced image quality and compression efficiency.
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