发明名称 |
Recording medium having recorded thereon coded information using plus and/or minus rounding of images |
摘要 |
A computer-readable medium having stored thereon an image decoding program which, when executed by a computer, implements operations including: extracting motion vector information, and rounding method information from input information to be decoded; synthesizing a prediction image by performing motion compensation using the motion vector information and a reference image which is a previously decoded image; and synthesizing a decoded image by adding the prediction image to an error image; wherein a rounding method used for pixel value interpolation in performing the motion compensation for synthesizing the prediction image is one of a positive rounding method and a negative rounding method which is different from a one of a positive rounding method and a negative rounding method used for pixel value interpolation in performing the motion compensation for synthesizing a last prediction image. |
申请公布号 |
US9167265(B2) |
申请公布日期 |
2015.10.20 |
申请号 |
US201414523968 |
申请日期 |
2014.10.27 |
申请人 |
HITACHI, LTD. |
发明人 |
Nakaya Yuichiro |
分类号 |
H04N19/159;H04N19/513;G06T9/00;H04N19/50;H04N19/139;H04N19/176;H04N19/172;H04N19/46;H04N19/51;H04N19/61;H04N19/114;H04N19/117;H04N19/124;H04N19/126;H04N19/186;H04N19/18;H04N19/182;H04N19/177;H04N19/44;H04N19/523;H04N19/86;H04N19/59;H04N19/577;H04N19/625;H04N19/52;H04N19/547;H04N19/19 |
主分类号 |
H04N19/159 |
代理机构 |
Mattingly & Malur, PC |
代理人 |
Mattingly & Malur, PC |
主权项 |
1. A non-transitory computer-readable medium having stored thereon an image decoding program which, when executed by a computer, implements operations comprising:
extracting motion vector information, and rounding method information from input information to be decoded; synthesizing a prediction image by performing motion compensation using the motion vector information and a reference image which is a previously decoded image; and synthesizing a decoded image by adding the prediction image to an error image; wherein a rounding method used for pixel value interpolation in performing the motion compensation for synthesizing the prediction image is one of a positive rounding method and a negative rounding method which is different from a one of a positive rounding method and a negative rounding method used for pixel value interpolation in performing the motion compensation for synthesizing a last prediction image. |
地址 |
Tokyo JP |