发明名称 |
QUANTIZATION CONTROL DEVICE AND METHOD, AND QUANTIZATION CONTROL PROGRAM |
摘要 |
A quantization control apparatus provided in a video encoding apparatus which utilizes intra slices. The quantization control apparatus includes a similarity computation device that computes similarity between an intra slice region of an encoding target picture and an intra slice region of each of previously-encoded pictures, where the similarity is an index determined such that the closer the images of the two different intra slices, the higher the similarity; a picture selection device that selects a picture having the highest similarity from among the previously-encoded pictures, based on the similarity computed by the similarity computation device; and a quantization step determination device that determines a quantization step used for encoding the encoding target picture, based on encoding information for the picture selected by the picture selection device. |
申请公布号 |
EP2648409(A1) |
申请公布日期 |
2013.10.09 |
申请号 |
EP20120754501 |
申请日期 |
2012.03.05 |
申请人 |
NIPPON TELEGRAPH AND TELEPHONE CORPORATION |
发明人 |
KITAHARA, MASAKI;SHIMIZU, ATSUSHI;ONO, NAOKI;KYOCHI, SEISUKE |
分类号 |
H04N19/196;H04N19/124;H04N19/14;H04N19/593 |
主分类号 |
H04N19/196 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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