公开(公告)号：US09398306B2

公开(公告)日：2016-07-19

申请号：US12916767

申请日：2010-11-01

申请人： Yun-gu Lee

发明人： Yun-gu Lee

IPC分类号： H04N19/436 ,  H04N19/61 ,  H04N19/91

CPC分类号： H04N19/436 ,  H04N19/61 ,  H04N19/91

摘要： An entropy encoding method and apparatus implementing the same, the method including: generating bitstreams of data groups by performing entropy encoding on a plurality of symbols of the data groups and storing the bitstreams in a storage unit by allocating a plurality of divided segments of the storage unit according to properties of the bitstreams.

摘要翻译： 一种熵编码方法及其实现方法，所述方法包括：通过对数据组的多个符号执行熵编码，并通过分配存储器中的多个划分的段来存储该比特流，来产生数据组的比特流 单位根据比特流的属性。

公开(公告)号：US20130088610A1

公开(公告)日：2013-04-11

申请号：US13618153

申请日：2012-09-14

申请人： Yun-gu LEE ,  Hong-jun CHOI ,  Chang-woo LEE ,  Jae-ho KIM

发明人： Yun-gu LEE ,  Hong-jun CHOI ,  Chang-woo LEE ,  Jae-ho KIM

IPC分类号： H04N5/228

CPC分类号： H04N5/23254 ,  H04N5/23248 ,  H04N5/23267 ,  H04N5/2329 ,  H04N5/3532

摘要： A photographing apparatus, a motion estimating apparatus, an image compensating method, a motion estimating method, and a non-transitory computer-readable recording medium are provided. The photographing apparatus includes: an image sensing unit which continuously captures a plurality of images by using a rolling shutter method; and an image processor which compensates for a uniformly accelerated motion of the photographing apparatus by using the plurality of images.

摘要翻译： 提供了拍摄装置，运动估计装置，图像补偿方法，运动估计方法和非暂时计算机可读记录介质。 拍摄装置包括：图像感测单元，其通过使用滚动快门方法连续地捕获多个图像; 以及图像处理器，其通过使用所述多个图像来补偿所述拍摄装置的均匀加速的运动。

公开(公告)号：US08189660B2

公开(公告)日：2012-05-29

申请号：US12055660

申请日：2008-03-26

申请人： Yun-gu Lee ,  Byung-cheol Song ,  Nak-hoon Kim

发明人： Yun-gu Lee ,  Byung-cheol Song ,  Nak-hoon Kim

IPC分类号： H03D3/24

CPC分类号： H04N19/152 ,  H04N19/115 ,  H04N19/124 ,  H04N19/136 ,  H04N19/176 ,  H04N19/60

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。

公开(公告)号：US20080304760A1

公开(公告)日：2008-12-11

申请号：US12107855

申请日：2008-04-23

申请人： Yun-gu LEE ,  Byung-cheol SONG ,  Nak-hoon KIM

发明人： Yun-gu LEE ,  Byung-cheol SONG ,  Nak-hoon KIM

IPC分类号： G06K9/46 ,  G06K9/36

CPC分类号： H04N19/57 ,  H04N19/51 ,  H04N19/597

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。

公开(公告)号：US20080304759A1

公开(公告)日：2008-12-11

申请号：US12013040

申请日：2008-01-11

申请人： Yun-gu LEE ,  Byung-cheol SONG ,  Nak-hoon KIM

发明人： Yun-gu LEE ,  Byung-cheol SONG ,  Nak-hoon KIM

IPC分类号： G06K9/46

CPC分类号： H04N19/105 ,  H04N19/176 ,  H04N19/186 ,  H04N19/61

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 。

公开(公告)号：US20070268589A1

公开(公告)日：2007-11-22

申请号：US11462095

申请日：2006-08-03

申请人： Jong-Beom Ra ,  Yun-Gu Lee

发明人： Jong-Beom Ra ,  Yun-Gu Lee

IPC分类号： G02B27/10

CPC分类号： G02B27/2214 ,  H04N13/305

摘要： The present invention relates to a method for multiplexing an optimal 3D image, by detecting inhomogeneity and alignment error of lens in a lenticular 3D LCD monitor, minimizing the image distortion caused by the detected error, and considering the viewer's position.Thus, the method in accordance with the present invention is characterized by supplementing the mapping table for compensating the image distortion to the mapping table representing the relationship between N original view images and a multi-view image multiplexed to a 3D image. Thus, the present invention discloses a method for detecting the alignment error and inhomogeneity of lens by predicting the alignment error and inhomogeneity of lens in 3D monitor using intentionally generated test images, calculating the image index difference between the sub-pixel having to be originally observed from a viewer's eyes and the practically observed image pixel. Moreover, the present invention discloses a method for compensating the distance of a viewer by calculating the index difference between the sub-pixel having to be observed by the viewer located at optimal viewing position and the sub-pixel observed at the practical viewer's position, in the method for compensating the image distortion according to a viewer's position.

摘要翻译： 本发明涉及一种通过检测透镜3D液晶显示器中的透镜的不均匀性和对准误差来最佳化3D图像的方法，从而最小化由检测到的误差引起的图像失真，并考虑观察者的位置。 因此，根据本发明的方法的特征在于将补偿图像失真的映射表补充到表示N个原始视图图像和多路复用到3D图像的多视点图像之间的关系的映射表。 因此，本发明公开了一种用于通过使用有意产生的测试图像预测3D监视器中的透镜的对准误差和不均匀性来检测透镜的对准误差和不均匀性的方法，计算最初观察到的子像素之间的图像索引差 从观察者的眼睛和实际观察到的图像像素。 此外，本发明公开了一种用于通过计算由位于最佳观看位置的观看者观察到的子像素与在实际观看者的位置观察到的子像素之间的折射率差来补偿观看者的距离的方法， 根据观众的位置补偿图像失真的方法。

公开(公告)号：US08209731B2

公开(公告)日：2012-06-26

申请号：US12199345

申请日：2008-08-27

申请人： Yun-gu Lee ,  Byung-cheol Song

发明人： Yun-gu Lee ,  Byung-cheol Song

IPC分类号： H04N7/173

CPC分类号： H04N21/2402 ,  H04N21/23406 ,  H04N21/4305 ,  H04N21/44004

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。

公开(公告)号：US20100128996A1

公开(公告)日：2010-05-27

申请号：US12617793

申请日：2009-11-13

申请人： Yun-gu LEE

发明人： Yun-gu LEE

IPC分类号： G06K9/36

CPC分类号： H04N19/1887 ,  H04N19/132 ,  H04N19/152 ,  H04N19/176 ,  H04N19/18 ,  H04N19/61

摘要： A method of encoding an image includes checking a storage status of a buffer storing encoded data, at every data unit equal to or less than at least one macroblock; rearranging information about a macroblock so that encoded data of the macroblock is reduced, based on the storage status of the buffer; and storing data encoded by using data of the image and the information about the macroblock, which is rearranged based on the storage status of the buffer, in the buffer.

摘要翻译： 编码图像的方法包括：在等于或小于至少一个宏块的每个数据单元处检查存储编码数据的缓冲器的存储状态; 重新排列关于宏块的信息，以便基于缓冲器的存储状态来减少宏块的编码数据; 并且将通过使用图像的数据和关于宏块的信息编码的数据存储在缓冲器中，所述信息根据缓冲器的存储状态重新排列。

公开(公告)号：US20090147856A1

公开(公告)日：2009-06-11

申请号：US12201261

申请日：2008-08-29

申请人： BYUNG-CHEOL SONG ,  Yun-gu Lee ,  Nak-hoon Kim

发明人： BYUNG-CHEOL SONG ,  Yun-gu Lee ,  Nak-hoon Kim

IPC分类号： H04N7/12

CPC分类号： H04N19/164 ,  H04N19/102 ,  H04N19/15 ,  H04N19/172 ,  H04N19/186 ,  H04N19/61

摘要： Provided are video encoding and decoding methods and apparatuses for encoding a video by variably selecting one from two or more difference color formats. Accordingly, by using at least one of channel state information and a result of encoding a video in a predetermined encoding unit encoded in advance, whether or not to convert a video in a current encoding unit of an input RGB (red, green, blue) color format into a YCbCr color format is adaptively determined to perform encoding. Therefore, a video with uniform quality corresponding to a channel environment having a variable bit-rate can be provided.

摘要翻译： 提供了通过可变地从两个或更多个不同颜色格式中选择一个来编码视频的视频编码和解码方法和装置。 因此，通过使用预先编码的预定编码单元中的信道状态信息和视频编码的结果中的至少一个，是否转换输入RGB（红色，绿色，蓝色）的当前编码单元中的视频， 自适应地确定颜色格式为YCbCr颜色格式以执行编码。 因此，可以提供与具有可变比特率的信道环境相对应的具有均匀质量的视频。

公开(公告)号：US20080304564A1

公开(公告)日：2008-12-11

申请号：US12013655

申请日：2008-01-14

申请人： Nak-hoon KIM ,  Byung-cheol Song ,  Yun-gu Lee

发明人： Nak-hoon KIM ,  Byung-cheol Song ,  Yun-gu Lee

IPC分类号： H04N7/26

CPC分类号： H04N19/174 ,  H04N19/115 ,  H04N19/126 ,  H04N19/149 ,  H04N19/152 ,  H04N19/177 ,  H04N19/197

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。