Method and apparatus for illumination compensation and method and apparatus for encoding and decoding image based on illumination compensation
    1.
    发明授权
    Method and apparatus for illumination compensation and method and apparatus for encoding and decoding image based on illumination compensation 有权
    用于照明补偿的方法和装置以及基于照明补偿的图像编码和解码方法和装置

    公开(公告)号:US08295634B2

    公开(公告)日:2012-10-23

    申请号:US12107855

    申请日:2008-04-23

    IPC分类号: G06K9/40

    摘要: A method and apparatus for compensating for illumination of a reference block and a method and apparatus for encoding an image, using the illumination compensation method and apparatus, are provided. The method of compensating for illumination of a reference block includes: predicting the mean values of pixels of a current block and a reference block, based on restored values of pixels neighboring the current block, and restored values of pixels neighboring the reference block; and based on the predicted mean value of the pixels of the current block, the predicted mean value of the pixels of the reference block, and the values of the pixels of the current block and the reference block, determining an illumination compensation parameter.

    摘要翻译: 提供了一种用于补偿参考块的照明的方法和装置,以及使用照明补偿方法和装置对图像进行编码的方法和装置。 补偿参考块的照明的方法包括:基于与当前块相邻的像素的恢复值以及与参考块相邻的像素的恢复值,预测当前块和参考块的像素的平均值; 并且基于当前块的像素的预测平均值,参考块的像素的预测平均值以及当前块和参考块的像素的值,确定照明补偿参数。

    BITRATE CONTROL METHOD AND APPARATUS FOR INTRA-ONLY VIDEO SEQUENCE CODING
    2.
    发明申请
    BITRATE CONTROL METHOD AND APPARATUS FOR INTRA-ONLY VIDEO SEQUENCE CODING 有权
    双向控制方法和设备,用于只读视频序列编码

    公开(公告)号:US20080304564A1

    公开(公告)日:2008-12-11

    申请号:US12013655

    申请日:2008-01-14

    IPC分类号: H04N7/26

    摘要: A bitrate control method and apparatus for video sequence coding by using only intra pictures are provided. The rate control method includes: separating a video sequence formed only with intra pictures, into picture group units, slice units, and macroblock units; and performing bitrate control so that a predetermined amount of bits can be generated when encoding is performed. According to the method and apparatus, overflow and underflow of a buffer can be prevented.

    摘要翻译: 提供了仅使用帧内图像的用于视频序列编码的比特率控制方法和装置。 速率控制方法包括:将仅由帧内图像形成的视频序列分离成图像组单元,片单元和宏块单元; 并执行比特率控制,使得当执行编码时可以产生预定量的比特。 根据该方法和装置,可以防止缓冲器的上溢和下溢。

    Bit rate control method and apparatus
    3.
    发明授权
    Bit rate control method and apparatus 有权
    比特率控制方法和装置

    公开(公告)号:US08189660B2

    公开(公告)日:2012-05-29

    申请号:US12055660

    申请日:2008-03-26

    IPC分类号: H03D3/24

    摘要: Provided are a bit rate control method and apparatus for intra-only coding, the method including calculating a similarity between at least one block group from among block groups including a plurality of macroblocks in a current frame to be encoded and at least one block group in a previous frame, which corresponds to the at least one block group in the current frame, determining a target bit amount of a current block group including a current macroblock using a video characteristic of the previous frame if the calculated similarity is greater than a threshold value, determining a target bit amount of the current macroblock based on the determined target bit amount of the current block group, and calculating a quantization parameter of the current macroblock based on the determined target bit amount of the current macroblock and the amount of bits generated for up to a previous macroblock.

    摘要翻译: 提供了一种用于内部编码的比特率控制方法和装置,该方法包括:计算来自包括当前待编码帧中的多个宏块的块组中的至少一个块组与至少一个块组之间的相似度, 前一帧,其对应于当前帧中的至少一个块组,如果所计算的相似度大于阈值,则使用前一帧的视频特性来确定包括当前宏块的当前块组的目标比特量 基于所确定的当前块组的目标比特量来确定当前宏块的目标比特量,并且基于所确定的当前宏块的目标比特量和当前宏块的所生成的比特量来计算当前宏块的量化参数 直到之前的宏块。

    Image coding method and apparatus using side matching process and image decoding method and apparatus for the same
    4.
    发明授权
    Image coding method and apparatus using side matching process and image decoding method and apparatus for the same 有权
    使用侧面匹配处理的图像编码方法和装置以及用于其的图像解码方法和装置

    公开(公告)号:US08208544B2

    公开(公告)日:2012-06-26

    申请号:US12197451

    申请日:2008-08-25

    IPC分类号: H04N7/12 G06K9/36

    摘要: A method and apparatus for coding an image capable of performing a prediction coding process by using a correlation degree between neighboring pixels of a current block and neighboring pixels of a reference block, and an image decoding method and apparatus. In the method, reference block candidates having neighboring pixels similar to the neighboring pixels of the current block are selected, matching errors between selected reference block candidates and the current block are calculated, and a reference block candidate having the least matching error is determined to be a predicted block of the current block.

    摘要翻译: 一种用于编码能够通过使用当前块的相邻像素与参考块的相邻像素之间的相关度来执行预测编码处理的图像的方法和装置,以及图像解码方法和装置。 在该方法中,选择具有与当前块的相邻像素相似的相邻像素的参考块候选,计算所选择的参考块候选和当前块之间的匹配误差,并且将具有最小匹配误差的参考块候选确定为 当前块的预测块。

    Method and apparatus for encoding and decoding image by using inter color compensation
    5.
    发明授权
    Method and apparatus for encoding and decoding image by using inter color compensation 有权
    通过使用色彩间补偿对图像进行编码和解码的方法和装置

    公开(公告)号:US08111914B2

    公开(公告)日:2012-02-07

    申请号:US12013040

    申请日:2008-01-11

    IPC分类号: G06T9/00 H04N11/02

    摘要: Provided are an image encoding method and apparatus and an image decoding method and apparatus that are capable of canceling a correlation remaining in a residual image by predicting the residual image by using residual pixel values of restored neighboring pixels of a current block and then encoding only the difference between the residual image and a predicted image of the residual image, where the residual image is obtained using an inter color compensation algorithm that predicts one of a plurality of color component images constituting an image by using one of the remnants of the color component images.

    摘要翻译: 提供了一种图像编码方法和装置以及图像解码方法和装置,其能够通过使用当前块的恢复的相邻像素的残留像素值来预测剩余图像来抵消剩余图像中的相关性,然后仅对 残差图像与残差图像的预测图像之间的差异,其中使用色彩间补偿算法获得残差图像,该色彩间补偿算法通过使用颜色分量图像的残留中的一个来预测构成图像的多个颜色分量图像中的一个 。

    Bitrate control method and apparatus for intra-only video sequence coding
    6.
    发明授权
    Bitrate control method and apparatus for intra-only video sequence coding 有权
    用于仅视频序列编码的比特率控制方法和装置

    公开(公告)号:US08050322B2

    公开(公告)日:2011-11-01

    申请号:US12013655

    申请日:2008-01-14

    IPC分类号: H04N11/02

    摘要: A bitrate control method and apparatus for video sequence coding by using only intra pictures are provided. The rate control method includes: separating a video sequence formed only with intra pictures, into picture group units, slice units, and macroblock units; and performing bitrate control so that a predetermined amount of bits can be generated when encoding is performed. According to the method and apparatus, overflow and underflow of a buffer can be prevented.

    摘要翻译: 提供了仅使用帧内图像的用于视频序列编码的比特率控制方法和装置。 速率控制方法包括:将仅由帧内图像形成的视频序列分离成图像组单元,片单元和宏块单元; 并执行比特率控制,使得当执行编码时可以产生预定量的比特。 根据该方法和装置,可以防止缓冲器的上溢和下溢。

    Transmitter and receiver of video transmission system and method for controlling buffers in transmitter and receiver
    7.
    发明授权
    Transmitter and receiver of video transmission system and method for controlling buffers in transmitter and receiver 有权
    视频传输系统的发送器和接收器以及用于控制发送器和接收器中的缓冲器的方法

    公开(公告)号:US08209731B2

    公开(公告)日:2012-06-26

    申请号:US12199345

    申请日:2008-08-27

    IPC分类号: H04N7/173

    摘要: Provided is a method for controlling a buffer in a transmitter and a receiver of a video transmission system in an environment where a channel transfer rate varies. The method includes: if a channel transfer rate is changed, changing a capacity of a buffer in a transmitter being used in proportion to the c rate, the buffer temporarily storing and outputting the video data to a receiver, or changing the delay time of a buffer in the receiver by gradually changing an operating clock in the receiver.

    摘要翻译: 提供了一种用于在信道传输速率变化的环境中控制视频传输系统的发射机和接收机中的缓冲器的方法。 该方法包括:如果信道传输速率改变,则改变与c速率成比例的正在使用的发射机中的缓冲器的容量,缓冲器临时存储并将视频数据输出到接收机,或者改变延迟时间 在接收机中通过逐渐改变接收机中的工作时钟来缓冲。

    TRANSMITTER AND RECEIVER OF VIDEO TRANSMISSION SYSTEM AND METHOD FOR CONTROLLING BUFFERS IN TRANSMITTER AND RECEIVER
    8.
    发明申请
    TRANSMITTER AND RECEIVER OF VIDEO TRANSMISSION SYSTEM AND METHOD FOR CONTROLLING BUFFERS IN TRANSMITTER AND RECEIVER 有权
    视频传输系统的发射机和接收机以及用于控制发射机和接收机中的缓冲器的方法

    公开(公告)号:US20090185625A1

    公开(公告)日:2009-07-23

    申请号:US12199345

    申请日:2008-08-27

    IPC分类号: H04N7/24

    摘要: Provided is a method for controlling a buffer in a transmitter and a receiver of a video transmission system in an environment where a channel transfer rate varies. The method includes: if a channel transfer rate is changed, changing a capacity of a buffer in a transmitter being used in proportion to the c rate, the buffer temporarily storing and outputting the video data to a receiver, or changing the delay time of a buffer in the receiver by gradually changing an operating clock in the receiver.

    摘要翻译: 提供了一种用于在信道传输速率变化的环境中控制视频传输系统的发射机和接收机中的缓冲器的方法。 该方法包括:如果信道传输速率改变,则改变与c速率成比例的正在使用的发射机中的缓冲器的容量,缓冲器临时存储并将视频数据输出到接收机,或者改变延迟时间 在接收机中通过逐渐改变接收机中的工作时钟来缓冲。

    Video encoding method and apparatus, and video decoding method and apparatus
    9.
    发明授权
    Video encoding method and apparatus, and video decoding method and apparatus 有权
    视频编码方法和装置,以及视频解码方法和装置

    公开(公告)号:US08509304B2

    公开(公告)日:2013-08-13

    申请号:US12204903

    申请日:2008-09-05

    IPC分类号: H04N7/12

    摘要: A video encoding method and apparatus, and a video decoding method and apparatus, which are capable of improving efficiency of encoding a luminance component video signal by predicting information on various encoding modes of the luminance component video signal by using a result obtained by encoding a chrominance component video signal, are provided. Accordingly, a block mode and an intra-prediction mode of the luminance component video signal are predicted from a previously encoded and recovered chrominance component video signal, and the predicted block mode and the predicted intra-prediction mode are used to encode the luminance component video signal.

    摘要翻译: 一种视频编码方法和装置以及视频解码方法和装置,其能够通过使用通过对色度分量编码获得的结果预测亮度分量视频信号的各种编码模式的信息来提高对亮度分量视频信号的编码效率 分量视频信号。 因此,从先前编码和恢复的色度分量视频信号预测亮度分量视频信号的块模式和帧内预测模式,并且使用预测块模式和预测帧内预测模式对亮度分量视频 信号。

    Method and apparatus for generating media signal by using state information
    10.
    发明授权
    Method and apparatus for generating media signal by using state information 有权
    通过使用状态信息产生媒体信号的方法和装置

    公开(公告)号:US08164644B2

    公开(公告)日:2012-04-24

    申请号:US12330777

    申请日:2008-12-09

    IPC分类号: H04N5/228

    摘要: Provided are a method and apparatus for generating a media signal by using state information. The method using the apparatus includes acquiring at least one type of state information selected from state information about a subject and state information about the apparatus, and generating a media signal by using the at least one type of state information.

    摘要翻译: 提供了一种通过使用状态信息生成媒体信号的方法和装置。 使用该装置的方法包括获取从关于被摄体的状态信息和关于该设备的状态信息中选择的至少一种类型的状态信息,以及通过使用至少一种类型的状态信息来生成媒体信号。