Broadcom has been granted a patent for a flexible arithmetic coding system that reduces computational cost by computing least probable symbol (LPS) and most probable symbol (MPS) ranges using multiplication operations. The system is designed for encoding and decoding video data efficiently. GlobalData’s report on Broadcom 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 Broadcom, Digital watermarking was a key innovation area identified from patents. Broadcom's grant share as of May 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.
Flexible arithmetic coding system for video data compression
A recently granted patent (Publication Number: US12010313B2) discloses a device and method for efficient video data decoding. The device includes processors that receive video data, determine quantized ranges, and perform arithmetic decoding based on least probable symbol (LPS) ranges, quantized ranges, and offsets. Prior to decoding, the device modifies offsets based on comparisons and second ranges. The processors are also configured to update probability states and re-normalize offsets during the decoding process. The method involves similar steps of receiving video data, determining quantized ranges, and performing arithmetic decoding based on LPS ranges, quantized ranges, and offsets. The method also includes modifying offsets based on second ranges and determining LPS ranges using multiplication and shift operations.
Furthermore, the patent also covers non-transitory, processor-readable storage media containing instructions for performing the method described above. These storage media enable processors to receive video data, determine quantized ranges, perform arithmetic decoding based on LPS ranges, quantized ranges, and offsets, and provide decoded video data. The instructions also include steps for modifying offsets based on comparisons and second ranges, as well as determining LPS ranges using multiplication and shift operations. This innovative device, method, and storage media aim to enhance video data decoding efficiency by optimizing the decoding process through precise calculations and operations.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
