CN106851294B - 图像的压缩方法和装置及其文字块的压缩方法和装置 - Google Patents
图像的压缩方法和装置及其文字块的压缩方法和装置 Download PDFInfo
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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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
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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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
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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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
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CN112383779A (zh) * | 2020-11-03 | 2021-02-19 | 西安万像电子科技有限公司 | 图像编码方法及装置、图像解码方法及装置、处理器 |
CN114564261B (zh) * | 2022-02-10 | 2024-05-17 | 阿里巴巴(中国)有限公司 | 基于桌面云的图像处理方法及装置 |
US20240087169A1 (en) * | 2022-09-12 | 2024-03-14 | Ati Technologies Ulc | Realtime conversion of macroblocks to signed distance fields to improve text clarity in video streaming |
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WO2015196104A9 (en) * | 2014-06-20 | 2016-08-25 | Qualcomm Incorporated | Color palette mode in video coding |
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CN105981380A (zh) * | 2013-12-18 | 2016-09-28 | 寰发股份有限公司 | 调色板初始化和管理的方法和装置 |
CN105992003A (zh) * | 2015-03-01 | 2016-10-05 | 上海天荷电子信息有限公司 | 依据排序或频度对调色板颜色编号的图像压缩方法和装置 |
CN106105229A (zh) * | 2014-03-14 | 2016-11-09 | 寰发股份有限公司 | 具有调色板填充的颜色索引编码的方法 |
CN106105207A (zh) * | 2014-03-25 | 2016-11-09 | 高通股份有限公司 | 用于视频译码的具有行程长度码的调色板预测器信令 |
CN106105228A (zh) * | 2014-03-26 | 2016-11-09 | 高通股份有限公司 | 确定在视频译码中的调色板译码块的调色板大小、调色板条目及过滤 |
CN106105200A (zh) * | 2014-03-14 | 2016-11-09 | 高通股份有限公司 | 基于调色板的视频译码 |
CN106604032A (zh) * | 2016-11-29 | 2017-04-26 | 苏睿 | 图像中文字块的压缩方法和装置及图像压缩方法和装置 |
CN106686384A (zh) * | 2016-11-29 | 2017-05-17 | 苏睿 | 文字块的压缩方法和装置以及图像压缩方法和装置 |
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2017
- 2017-01-03 CN CN201710002072.3A patent/CN106851294B/zh active Active
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CN101645173A (zh) * | 2008-12-16 | 2010-02-10 | 中国科学院声学研究所 | 一种随机调色板编码***及方法 |
CN101651769A (zh) * | 2009-09-11 | 2010-02-17 | 南京大学 | 基于画质限制条件的颜色数和代表颜色值的决定方法 |
CN105981380A (zh) * | 2013-12-18 | 2016-09-28 | 寰发股份有限公司 | 调色板初始化和管理的方法和装置 |
CN105981388A (zh) * | 2013-12-27 | 2016-09-28 | 寰发股份有限公司 | 调色板编码中句法冗余移除的方法和装置 |
CN105900432A (zh) * | 2014-01-02 | 2016-08-24 | Vid拓展公司 | 用于屏幕内容编码的二维调色板编码 |
CN106105200A (zh) * | 2014-03-14 | 2016-11-09 | 高通股份有限公司 | 基于调色板的视频译码 |
CN106105229A (zh) * | 2014-03-14 | 2016-11-09 | 寰发股份有限公司 | 具有调色板填充的颜色索引编码的方法 |
CN106105207A (zh) * | 2014-03-25 | 2016-11-09 | 高通股份有限公司 | 用于视频译码的具有行程长度码的调色板预测器信令 |
CN106105228A (zh) * | 2014-03-26 | 2016-11-09 | 高通股份有限公司 | 确定在视频译码中的调色板译码块的调色板大小、调色板条目及过滤 |
WO2015196104A9 (en) * | 2014-06-20 | 2016-08-25 | Qualcomm Incorporated | Color palette mode in video coding |
CN105992003A (zh) * | 2015-03-01 | 2016-10-05 | 上海天荷电子信息有限公司 | 依据排序或频度对调色板颜色编号的图像压缩方法和装置 |
CN106604032A (zh) * | 2016-11-29 | 2017-04-26 | 苏睿 | 图像中文字块的压缩方法和装置及图像压缩方法和装置 |
CN106686384A (zh) * | 2016-11-29 | 2017-05-17 | 苏睿 | 文字块的压缩方法和装置以及图像压缩方法和装置 |
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