会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明申请
    • Apparatus and method for coding moving pictures
    • 用于编码运动图像的装置和方法
    • US20070217508A1
    • 2007-09-20
    • US11497288
    • 2006-08-02
    • Satoshi ShimadaAkira NakagawaHidetoshi MatsumuraYasuhiro WatanabeAkihiro Yamori
    • Satoshi ShimadaAkira NakagawaHidetoshi MatsumuraYasuhiro WatanabeAkihiro Yamori
    • H04N11/04H04B1/66
    • H04N19/136H04N19/103H04N19/122H04N19/129H04N19/132
    • The apparatus includes: orthogonal transforming means for orthogonally transforming an input video signal for each element block, quantizing means for quantizing each obtained transformation coefficient using a quantization parameter; coding means for coding the quantization parameter; decoded picture generating means for generating a reference picture signal for a motion compensation prediction from the quantized results of the quantizing means; filtering means for filtering the obtained reference picture signal at a strength corresponding to the quantization parameter when a non-zero effective transformation coefficient is present with respect to the element block; and controlling means for controlling at least anyone of transformation coefficients to be not zero, when all of the transformation coefficients are zero. This allows, even when all of the quantized results of the transformation coefficients of the element blocks are zero, coding of quantization parameter of current element block and control of filtering strength.
    • 该装置包括:正交变换装置,用于对每个元素块的输入视频信号进行正交变换;量化装置,用于使用量化参数量化每个获得的变换系数; 用于编码量化参数的编码装置; 解码图像生成装置,用于从量化装置的量化结果生成用于运动补偿预测的参考图像信号; 滤波装置,用于当相对于所述元素块存在非零有效变换系数时,以与所述量化参数对应的强度对所获得的参考图像信号进行滤波; 以及控制装置,用于当所有变换系数为零时,将变换系数中的至少任一个控制为不为零。 这允许即使当元素块的变换系数的所有量化结果为零时,当前元素块的量化参数的编码和滤波强度的控制。
    • 6. 发明授权
    • Apparatus and method for coding moving pictures
    • 用于编码运动图像的装置和方法
    • US08761264B2
    • 2014-06-24
    • US11497288
    • 2006-08-02
    • Satoshi ShimadaAkira NakagawaHidetoshi MatsumuraYasuhiro WatanabeAkihiro Yamori
    • Satoshi ShimadaAkira NakagawaHidetoshi MatsumuraYasuhiro WatanabeAkihiro Yamori
    • H04N7/12
    • H04N19/136H04N19/103H04N19/122H04N19/129H04N19/132
    • The apparatus includes: orthogonal transforming means for orthogonally transforming an input video signal for each element block, quantizing means for quantizing each obtained transformation coefficient using a quantization parameter; coding means for coding the quantization parameter; decoded picture generating means for generating a reference picture signal for a motion compensation prediction from the quantized results of the quantizing means; filtering means for filtering the obtained reference picture signal at a strength corresponding to the quantization parameter when a non-zero effective transformation coefficient is present with respect to the element block; and controlling means for controlling at least anyone of transformation coefficients to be not zero, when all of the transformation coefficients are zero. This allows, even when all of the quantized results of the transformation coefficients of the element blocks are zero, coding of quantization parameter of current element block and control of filtering strength.
    • 该装置包括:正交变换装置,用于对每个元素块的输入视频信号进行正交变换;量化装置,用于使用量化参数量化每个获得的变换系数; 用于编码量化参数的编码装置; 解码图像生成装置,用于从量化装置的量化结果生成用于运动补偿预测的参考图像信号; 滤波装置,用于当相对于所述元素块存在非零有效变换系数时,以与所述量化参数对应的强度对所获得的参考图像信号进行滤波; 以及控制装置,用于当所有变换系数为零时,将变换系数中的至少任一个控制为不为零。 这允许即使当元素块的变换系数的所有量化结果为零时,当前元素块的量化参数的编码和滤波强度的控制。
    • 7. 发明申请
    • VIDEO ENCODER AND VIDEO DECODER
    • 视频编码器和视频解码器
    • US20100172412A1
    • 2010-07-08
    • US12723170
    • 2010-03-12
    • Satoshi SHIMADAAkira NakagawaAkihiro YamoriChikara Imajo
    • Satoshi SHIMADAAkira NakagawaAkihiro YamoriChikara Imajo
    • H04N7/12
    • H04N19/107H04N19/174H04N19/51H04N19/80H04N19/86
    • A video encoder that encodes each of a plurality of blocks obtained by dividing an input image, includes: a definition unit configured to define a valid area which is allowed to be used as reference in a reference image in interframe coding; a detection unit configured to detect a reference area in the reference image for a target block; a predicted image generation unit configured to generate a predicted image by outputting an image of the reference area for the reference area belonging to the valid area and outputting a complementary image for the reference area not belonging to the valid area; and a coding unit configured to encode the input image using the predicted image, wherein valid area information indicating the valid area is transmitted to a video decoder, for each group of a plurality of blocks.
    • 编码通过划分输入图像而获得的多个块中的每个块的视频编码器包括:定义单元,被配置为在帧间编码中定义被允许用作参考图像中的参考的有效区域; 检测单元,被配置为检测目标块的参考图像中的参考区域; 预测图像生成单元,被配置为通过输出属于有效区域的参考区域的参考区域的图像并输出不属于有效区域的参考区域的补充图像来生成预测图像; 以及编码单元,被配置为使用所述预测图像对所述输入图像进行编码,其中,对于多个块的每组,向所述视频解码器发送指示所述有效区域的有效区域信息。
    • 10. 发明授权
    • Video encoder and decoder using region based coding and decoding techniques with sequential refresh
    • 视频编码器和解码器使用基于区域的编码和解码技术进行顺序刷新
    • US08428131B2
    • 2013-04-23
    • US12723170
    • 2010-03-12
    • Satoshi ShimadaAkira NakagawaAkihiro YamoriChikara Imajo
    • Satoshi ShimadaAkira NakagawaAkihiro YamoriChikara Imajo
    • H04N7/12
    • H04N19/107H04N19/174H04N19/51H04N19/80H04N19/86
    • A video encoder that encodes each of a plurality of blocks obtained by dividing an input image, includes: a definition unit configured to define a valid area which is allowed to be used as reference in a reference image in interframe coding; a detection unit configured to detect a reference area in the reference image for a target block; a predicted image generation unit configured to generate a predicted image by outputting an image of the reference area for the reference area belonging to the valid area and outputting a complementary image for the reference area not belonging to the valid area; and a coding unit configured to encode the input image using the predicted image, wherein valid area information indicating the valid area is transmitted to a video decoder, for each group of a plurality of blocks.
    • 编码通过划分输入图像而获得的多个块中的每个块的视频编码器包括:定义单元,被配置为在帧间编码中定义被允许用作参考图像中的参考的有效区域; 检测单元,被配置为检测目标块的参考图像中的参考区域; 预测图像生成单元,被配置为通过输出属于有效区域的参考区域的参考区域的图像并输出不属于有效区域的参考区域的补充图像来生成预测图像; 以及编码单元,被配置为使用所述预测图像对所述输入图像进行编码,其中,对于多个块的每组,向所述视频解码器发送指示所述有效区域的有效区域信息。