基本信息:
- 专利标题： 화상 코딩 장치, 화상을 코딩하는 방법, 화상 디코딩 장치, 화상을 디코딩하는 방법 및 컴퓨터 판독가능 매체
- 专利标题（英）：KR101914897B1 - Image coding apparatus, method for coding image, image decoding apparatus, method for decoding image, and computer readable medium
- 申请号：KR1020177036582 申请日：2012-02-27
- 公开(公告)号：KR101914897B1 公开(公告)日：2018-11-02
- 发明人： 마에다미츠루
- 申请人： 캐논 가부시끼가이샤
- 申请人地址： **-*, Shimomaruko *-chome, Ohta-ku, Tokyo, Japan
- 专利权人： 캐논 가부시끼가이샤
- 当前专利权人： 캐논 가부시끼가이샤
- 当前专利权人地址： **-*, Shimomaruko *-chome, Ohta-ku, Tokyo, Japan
- 代理人： 장수길; 권성락; 박충범
- 优先权： JPJP-P-2011-051267 2011-03-09
- 国际申请： PCT/JP2012/001319 2012-02-27
- 国际公布： WO2012120823 2012-09-13
- 主分类号： H04N19/124
- IPC分类号： H04N19/124 ; H04N19/176 ; H04N19/50 ; H04N19/61 ; H04N19/463 ; H04N19/436 ; H04N19/00
An image processing apparatus comprising a sub-block quantization parameter calculation unit, the at least two sub-blocks is configured to calculate each of the quantization parameters dividing unit, the sub-blocks is configured to divide the input image into a plurality of sub-blocks receiving the quantization control difference value calculating means configured to set a basic block, and calculating a difference value between a quantization parameter of each sub-block with the quantization parameter and the base block of the base block quantization parameter calculation unit, a base block configured to calculate the quantization parameter of the basic block It includes a coding unit configured to code a difference value, and the difference value.
公开/授权文献:
信息查询:
EspacenetIPC结构图谱:
| H | 电学 |
| --H04 | 电通信技术 |
| ----H04N | 图像通信，例如电视 |
| ------H04N19/00 | 用于数字视频信号编码，解码，压缩或解压缩的方法或装置 |
| --------H04N19/10 | .使用自适应编码 |
| ----------H04N19/102 | ..其特征在于由一个元素，参数或选择影响或通过自适应编码控制 |
| ------------H04N19/124 | ...量化 |