Alphabet. has been granted a patent for a method of coding a current block using intra-prediction. The method involves selecting a focal point, generating a prediction block from peripheral pixels, and determining pixel values based on intercepts in a coordinate system, ultimately coding a residual block. GlobalData’s report on Alphabet 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 Alphabet, was a key innovation area identified from patents. Alphabet's grant share as of July 2024 was 61%. Grant share is based on the ratio of number of grants to total number of patents.
Intra-prediction coding method for video compression
The patent US12075089B2 outlines a method and apparatus for coding and decoding image blocks using intra-prediction techniques. The method involves selecting a focal point from a set of candidate focal points, which are organized into groups on the circumference of circles centered within the current block. The process generates a prediction block by utilizing first and second peripheral pixels to establish a coordinate system. For each location within the prediction block, the method determines either an x-intercept or a y-intercept based on a line connecting the focal point to that location. The prediction pixel value is then calculated using these intercepts, with specific conditions applied to handle negative values and to set pixel values based on the intercepts' positions.
Additionally, the apparatus described in the patent includes a memory and a processor designed to execute instructions for decoding the focal point from a compressed bitstream. It reconstructs the current block by obtaining a prediction block of pixels, determining pixel values at each location using the established lines, and applying weighted combinations of pixel values at the intercepts. The method also encompasses encoding the focal point back into a compressed bitstream, ensuring efficient data representation. Overall, the patent presents a systematic approach to enhance image coding and decoding processes, focusing on intra-prediction methods that leverage spatial relationships between pixels.
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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.
