INFORMATION PROCESSING APPARATUS AND METHOD
An apparatus and a method for processing information are provided to improve picture quality by properly controlling generated code volume in an encoding process. A picture unit process comprises: judging whether a flag in status is normal(S81); multiplying (1.7-0.125 MaxLeft/tSize) by uniformity(S8...
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| Main Authors | , , |
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| Format | Patent |
| Language | English |
| Published |
05.08.2008
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| Subjects | |
| Online Access | Get full text |
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| Abstract | An apparatus and a method for processing information are provided to improve picture quality by properly controlling generated code volume in an encoding process. A picture unit process comprises: judging whether a flag in status is normal(S81); multiplying (1.7-0.125 MaxLeft/tSize) by uniformity(S82); comparing the uniformity with 1 to prevent the uniformity from exceeding 1 and to set a smaller one as a new uniformity(S83); setting the uniformity as 1(S84); dividing nSum, which is the sum of normalized code volume per picture, by tSum, which is the sum of target code volume per picture of a coding unit, to calculate a basic quantization step size(BaseQ)(S85); and setting the status in a normal state via a switching part and finishing a picture unit renewal process(S86). |
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| AbstractList | An apparatus and a method for processing information are provided to improve picture quality by properly controlling generated code volume in an encoding process. A picture unit process comprises: judging whether a flag in status is normal(S81); multiplying (1.7-0.125 MaxLeft/tSize) by uniformity(S82); comparing the uniformity with 1 to prevent the uniformity from exceeding 1 and to set a smaller one as a new uniformity(S83); setting the uniformity as 1(S84); dividing nSum, which is the sum of normalized code volume per picture, by tSum, which is the sum of target code volume per picture of a coding unit, to calculate a basic quantization step size(BaseQ)(S85); and setting the status in a normal state via a switching part and finishing a picture unit renewal process(S86). |
| Author | FUKUHARA TAKAHIRO ARAKI JUNYA HOSAKA KAZUHISA |
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| Snippet | An apparatus and a method for processing information are provided to improve picture quality by properly controlling generated code volume in an encoding... |
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| SubjectTerms | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION |
| Title | INFORMATION PROCESSING APPARATUS AND METHOD |
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