CN113796070A - 预测值的确定方法、编码器以及计算机存储介质 - Google Patents
预测值的确定方法、编码器以及计算机存储介质 Download PDFInfo
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- CN113796070A CN113796070A CN201980096199.3A CN201980096199A CN113796070A CN 113796070 A CN113796070 A CN 113796070A CN 201980096199 A CN201980096199 A CN 201980096199A CN 113796070 A CN113796070 A CN 113796070A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
Abstract
本申请实施例公开了一种预测值的确定方法、编码器以及计算机存储介质，该方法包括：从当前图像帧中，获取待编码图像块和已编码图像块，根据已编码图像块，为待编码图像块构建BV候选列表，对BV候选列表中的每个BV按照预设的迭代算法进行迭代运算，得到迭代运算后的BV候选列表，从迭代运算后的BV候选列表中，选取出待编码图像块的BV，根据待编码图像块的BV，调用预设的仿射运动模型，计算得到待编码图像块的参考图像块，将参考图像块的像素值作为待编码图像块的预测值。
Description
PCT国内申请，说明书已公开。
Claims (18)
- PCT国内申请，权利要求书已公开。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2019/090594 WO2020248105A1 (zh) | 2019-06-10 | 2019-06-10 | 预测值的确定方法、编码器以及计算机存储介质 |
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| CN113796070A true CN113796070A (zh) | 2021-12-14 |
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| WO (1) | WO2020248105A1 (zh) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101502119A (zh) * | 2006-08-02 | 2009-08-05 | 汤姆逊许可公司 | 用于视频编码的自适应几何分割方法和设备 |
| US20140126638A1 (en) * | 2012-11-05 | 2014-05-08 | Logitech Europe S.A. | Mechanism for Video Encoding Based on Estimates of Statistically-Popular Motion Vectors in Frame |
| CN105917648A (zh) * | 2014-01-17 | 2016-08-31 | 微软技术许可有限责任公司 | 具有非对称分区的帧内块复制预测以及编码器侧搜索图案、搜索范围和用于分区的方法 |
| CN106416243A (zh) * | 2014-02-21 | 2017-02-15 | 联发科技（新加坡）私人有限公司 | 利用基于帧内图像区块复制预测的视频编码方法 |
| US20170078697A1 (en) * | 2014-03-11 | 2017-03-16 | Samsung Electronics Co., Ltd. | Depth image prediction mode transmission method and apparatus for encoding and decoding inter-layer video |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US11109036B2 (en) * | 2013-10-14 | 2021-08-31 | Microsoft Technology Licensing, Llc | Encoder-side options for intra block copy prediction mode for video and image coding |
| CN106464905B (zh) * | 2014-05-06 | 2019-06-07 | 寰发股份有限公司 | 用于块内复制模式编码的块向量预测方法 |
| WO2017156705A1 (en) * | 2016-03-15 | 2017-09-21 | Mediatek Inc. | Affine prediction for video coding |
| EP3456043A4 (en) * | 2016-05-28 | 2019-11-27 | MediaTek Inc. | METHOD AND DEVICE FOR REFERENCING THE CURRENT IMAGE FOR VIDEO CODING USING AFFINER MOTION COMPENSATION |
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- 2019-06-10 WO PCT/CN2019/090594 patent/WO2020248105A1/zh active Application Filing
- 2019-06-10 CN CN201980096199.3A patent/CN113796070A/zh active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101502119A (zh) * | 2006-08-02 | 2009-08-05 | 汤姆逊许可公司 | 用于视频编码的自适应几何分割方法和设备 |
| US20140126638A1 (en) * | 2012-11-05 | 2014-05-08 | Logitech Europe S.A. | Mechanism for Video Encoding Based on Estimates of Statistically-Popular Motion Vectors in Frame |
| CN105917648A (zh) * | 2014-01-17 | 2016-08-31 | 微软技术许可有限责任公司 | 具有非对称分区的帧内块复制预测以及编码器侧搜索图案、搜索范围和用于分区的方法 |
| CN106416243A (zh) * | 2014-02-21 | 2017-02-15 | 联发科技（新加坡）私人有限公司 | 利用基于帧内图像区块复制预测的视频编码方法 |
| US20170078697A1 (en) * | 2014-03-11 | 2017-03-16 | Samsung Electronics Co., Ltd. | Depth image prediction mode transmission method and apparatus for encoding and decoding inter-layer video |
Non-Patent Citations (1)
| Title |
|---|
| SIQI CAO: ""Affine motion mode in intra coding"", 《JVEI-M0634-V3》, 18 January 2019 (2019-01-18), pages 1 - 2 * |
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