Transform and inverse transform circuit and method
US9918088B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 13, 2014 |
| Grant date | Mar 13, 2018 |
| Priority date | — |
| Expiry date | Jul 6, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/436
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A transform and inverse transform circuit is provided. The transform and inverse transform circuit includes: at least one quantization and inverse quantization circuit, including at least one quantization and inverse quantization unit, wherein each quantization and inverse quantization unit includes a plurality of first coefficients, and each quantization and inverse quantization unit performs quantization or inverse quantization on one of multiple ways of inputting data; and at least one one-dimensional transform circuit, coupled to the quantization and inverse quantization circuit, wherein the one-dimensional transform circuit includes a plurality of second coefficients, wherein the one-dimensional transform circuit performs one-dimensional transform on the inputting data processed by the quantization and inverse quantization circuit, wherein the plurality of first coefficients and the plurality of second coefficients are set up based on a video codec standard.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.