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    • 136. 发明公开
    • 비디오 복호화 장치
    • 编码和解码的方法和装置
    • KR1020130116837A
    • 2013-10-24
    • KR1020130041906
    • 2013-04-16
    • 한국전자통신연구원경희대학교 산학협력단
    • 김휘용박광훈김경용임성창이진호최진수김진웅
    • H04N19/59
    • H04N19/11H04N19/12H04N19/129H04N19/159H04N19/176H04N19/18H04N19/186H04N19/61H04N19/96
    • PURPOSE: A video decoding apparatus is provided to efficiently perform a frequency transform and scanning of a chrominance signal. CONSTITUTION: A prediction mode specify unit (2510) specifies an intra prediction mode for a current block. A scanning unit (2520) performs scanning of the current block. The scanning unit determines a scanning type for a luminance signal and a chrominance signal of the current block according to the intra prediction mode for a luminance sample of the current block. The scanning unit determines the scanning type for the current block according to the intra prediction mode for the luminance sample. The scanning unit applies the scanning type to the luminance signal and the chrominance signal. [Reference numerals] (2500) Decoding device; (2510) Prediction mode specify unit; (2520) Scanning unit
    • 目的:提供一种视频解码装置,以有效地执行色度信号的频率变换和扫描。 构成:预测模式指定单元(2510)指定当前块的帧内预测模式。 扫描单元(2520)执行当前块的扫描。 扫描单元根据当前块的亮度样本的帧内预测模式来确定当前块的亮度信号和色度信号的扫描类型。 扫描单元根据亮度采样的帧内预测模式确定当前块的扫描类型。 扫描单元将扫描类型应用于亮度信号和色度信号。 (附图标记)(2500)解码装置; (2510)预测模式指定单位; (2520)扫描单元
    • 139. 发明公开
    • 영상 정보 부호화 장치
    • 编码器的视频信息
    • KR1020130088097A
    • 2013-08-07
    • KR1020130075265
    • 2013-06-28
    • 한국전자통신연구원경희대학교 산학협력단
    • 정세윤김휘용임성창조숙희이진호이하현김종호최진수김진웅안치득박광훈김경용이한수
    • H04N19/50
    • H04N19/00587H04N19/46H04N19/463H04N19/52H04N19/56H04N19/61H04N19/70
    • PURPOSE: A video information encoding apparatus is provided to improve the compression performance of the video information and is provided to reduce the amount of transmission of the information. CONSTITUTION: Prediction units (110,115,120) obtain the motion information of peripheral block from the peripheral block of the current block. Based on the obtained motion information, the prediction units determine the motion information of the current block and perform the prediction about the current block. Entropy encoding unit (140) entropy encodes a merge index which is able to infer the motion information of the current block. If the peripheral block is not included in the encoding unit which is same as the current block, the prediction unit does not use the motion information of the peripheral block as the merge candidate of the current block. [Reference numerals] (110) Motion prediction unit; (115) Motion compensation unit; (120) Intra prediction unit; (130) Conversion unit; (135) Quantization unit; (140) Entropy encoding unit; (145) Inverse quantization unit; (150) Inversion unit; (160) Filter unit; (165) Reference image buffer; (AA) Input image; (BB) Inter; (CC) Intra; (DD) Bit stream
    • 目的:提供视频信息编码装置,以提高视频信息的压缩性能,并提供信息的传输量。 构成:预测单元(110,115,120)从当前块的外围块获取外围块的运动信息。 基于获得的运动信息,预测单元确定当前块的运动信息,并执行关于当前块的预测。 熵编码单元(140)熵编码能够推断当前块的运动信息的合并索引。 如果外围块不包括在与当前块相同的编码单元中,则预测单元不使用外围块的运动信息作为当前块的合并候选。 (附图标记)(110)运动预测单元; (115)运动补偿单元; (120)内部预测单元; (130)转换单位; (135)量化单元; (140)熵编码单元; (145)反量化单元; (150)反转单位; (160)过滤单元; (165)参考图像缓冲区; (AA)输入图像; (BB)国际; (CC)内 (DD)位流