专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明公开

KR20180069128A 동영상 예측 부호화 장치, 동영상 예측 부호화 방법, 동영상 예측 복호 장치 및 동영상 예측 복호 방법 审中-公开
公开(公告)号：KR20180069128A
公开(公告)日：2018-06-22
申请号：KR20187016861
申请日：2013-06-17
申请人： NTT DOCOMO INC
发明人： SUZUKI YOSHINORI , BOON CHOONG SENG , TAN THIOW KENG
IPC分类号： H04N19/117 , H04N19/105 , H04N19/176 , H04N19/50 , H04N19/80
CPC分类号： H04N19/59 , H04N19/117 , H04N19/136 , H04N19/159 , H04N19/176 , H04N19/46 , H04N19/52 , H04N19/521 , H04N19/593 , H04N19/61 , H04N19/625 , H04N19/82 , H04N19/86
摘要： 복호장치는, 대상블록의화면내 예측방법을나타내는인트라예측모드와잔차신호의압축데이터를복호하는복호수단; 상기인트라예측모드와인접블록의기재생의참조샘플로부터화면내 예측신호를생성하는예측신호생성수단; 대상블록의재생잔차신호를복원하는잔차신호복원수단; 및대상블록의화소신호를복원하여보존하는블록저장수단을포함하고, 예측신호생성수단은, 보존된대상블록주위의기재생블록으로부터참조샘플을취득하고, 내삽참조샘플을생성하기위해참조샘플중 미리정해진위치의 2개이상의키 참조샘플사이를내삽처리하고, 인트라예측모드에기초하여내삽참조샘플을외삽하여화면내 예측신호를생성한다.

2. 发明专利

JP2010009624A Image signal conversion method, image signal reverse conversion method, image encoding device, image decoding device, image encoding method, image decoding method, image encoding program, and image decoding program 审中-公开
标题翻译：图像信号转换方法，图像信号反向转换方法，图像编码装置，图像解码装置，图像编码方法，图像解码方法，图像编码程序和图像解码程序
公开(公告)号：JP2010009624A
公开(公告)日：2010-01-14
申请号：JP2009233664
申请日：2009-10-07
申请人： Ntt Docomo Inc , 株式会社エヌ・ティ・ティ・ドコモ
发明人： BUN CHUNSEN , TAN THIOW KENG
IPC分类号： G06F17/14 , H03M7/30 , H04N19/105 , H04N19/12 , H04N19/137 , H04N19/149 , H04N19/176 , H04N19/423 , H04N19/46 , H04N19/50 , H04N19/503 , H04N19/51 , H04N19/593 , H04N19/60 , H04N19/61 , H04N19/70 , H04N19/91
摘要： PROBLEM TO BE SOLVED: To efficiently express signals to be converted by concentrating the energy of the signals even when the correlation of the signals to be converted is not high.
SOLUTION: An image signal conversion method includes an intermediate value generation step and a conversion coefficient generation step to generate a 2
N (N is a natural number) conversion samples from 2
N input samples. In the intermediate value generation step, one input sample out of n-th pair (n=1 to 2
N-1 ) of input samples determined in accordance with a conversion rule is weighted by the n-th weight coefficient and the weighted input sample is converted to generate the n-th pair of intermediate values. In the conversion coefficient generation step, generated 2
N intermediate values are inputted, one intermediate value out of the m-th pair (m=1 to 2
N-1 ) of intermediate values determined in accordance with the conversion rule is weighted by the m-th weight coefficient and the weighted intermediate value is converted to generate the m-th pair of conversion samples.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：即使当要转换的信号的相关性不高时，通过集中信号的能量来有效地表达要转换的信号。解决方案：一种图像信号转换方法包括：中间值生成步骤和转换系数生成步骤，用于从2 N N （N是自然数）转换样本生成2 < / SP>输入样本。在中间值生成步骤中，根据转换规则确定的输入样本的第n对（n = 1至2 N-1 ）中的一个输入样本被第n 权重系数和加权输入样本被转换以产生第n对中间值。在转换系数生成步骤中，输入生成的2 N 个中间值，从第m对（m = 1〜2 N-1 ）中的一个中间值根据转换规则确定的中间值被第m个权重系数加权，并且加权的中间值被转换以产生第m个转换样本对。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2009017534A Image predictive coding apparatus, image predictive decoding apparatus, image predictive coding method, image predictive decoding method, image predictive coding program and image predictive decoding program 有权
标题翻译：图像预测编码装置，图像预测解码装置，图像预测编码方法，图像预测解码方法，图像预测编码程序和图像预测解码程序
公开(公告)号：JP2009017534A
公开(公告)日：2009-01-22
申请号：JP2008125242
申请日：2008-05-12
申请人： Ntt Docomo Inc , 株式会社エヌ・ティ・ティ・ドコモ
发明人： BUN CHUNSEN , TAN THIOW KENG , SUZUKI YOSHINORI
IPC分类号： H04N19/503 , H04N19/50 , H04N19/59 , H04N19/593 , H04N19/61 , H04N19/625 , H04N19/91
CPC分类号： H04N19/593 , H04N19/11 , H04N19/14 , H04N19/176 , H04N19/61
摘要： PROBLEM TO BE SOLVED: To efficiently suppress mode information for identifying prediction methods, even when many prediction methods are provided, with respect to the method for generating inside-of-screen predictive signals in a pixel region. SOLUTION: The image predictive coding apparatus 10 is provided with a block dividing section 102, an inside-of-screen predictive signal generating method determining section 105, an in-screen predictive signal generating section 106, a subtracter 108, a conversion section 109, a quantizer 110, and an entropy coding section 115. The in-screen predictive signal generating method determining section 105 derives an adjoining region prediction method, by which an inside-of-screen predictive signal having a high correlation with pixel signals of the adjoining region is generated, by using a nearest pixel group with respect to an object region from among several first prediction methods and predicts an object region prediction method for object pixel signals, based on the derived adjoining region prediction method. At the same time, the in-screen predictive signal generating section 106 generates an in-screen predictive signal for the object region, based on the object region prediction method. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使在提供了许多预测方法时，为了有效地抑制用于识别预测方法的模式信息，关于在像素区域中产生画面内预测信号的方法。解决方案：图像预测编码装置10设置有块划分部分102，屏幕内预测信号生成方法确定部分105，屏幕内预测信号生成部分106，减法器108，转换部分109，量化器110和熵编码部分115.屏幕内预测信号生成方法确定部分105导出邻接区域预测方法，通过该方法，与屏幕之间的预测信号具有与通过从多个第一预测方法中使用相对于对象区域的最近像素组来生成邻接区域，并且基于导出的相邻区域预测方法来预测对象像素信号的对象区域预测方法。同时，屏幕上预测信号生成部分106基于对象区域预测方法生成对象区域的屏幕内预测信号。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2004242271A Moving picture encoding method, moving picture decoding method, moving picture encoder, and moving picture decoder 有权
公开(公告)号：JP2004242271A
公开(公告)日：2004-08-26
申请号：JP2003190563
申请日：2003-07-02
申请人： Ntt Docomo Inc , 株式会社エヌ・ティ・ティ・ドコモ
发明人： BUN CHUNSEN , ADACHI SATORU , KATO SADAATSU , TAN THIOW KENG
IPC分类号： H04N19/119 , G06T9/00 , H03M7/30 , H04N7/24 , H04N19/00 , H04N19/12 , H04N19/176 , H04N19/60 , H04N19/625 , H04N19/91 , H04N7/30
CPC分类号： H04N19/17 , H04N19/112 , H04N19/12 , H04N19/16 , H04N19/46 , H04N19/61
摘要： PROBLEM TO BE SOLVED: To reduce the change in the region shape due to the difference of encoding modes in the case of encoding and decoding moving pictures and to increase the efficiency of compression encoding. SOLUTION: In a video encoding method, an encoding mode controller 102 determines an encoding mode of each image on the occasion of encoding a moving picture consisting of a plurality of images, and a region partitioning unit 104 determines a region structural unit for partitioning the image into multiple regions, based on the encoding mode. A region determining unit 116 defines the regions on the basis of the region structural unit and information thereof is encoded. Then an encoder 105 compression-encodes pixel data included in the regions, in encoding units to generate compression-encoded data according to the encoding mode, and outputs the resultant data. COPYRIGHT: (C)2004,JPO&NCIPI

5. 发明专利

JP2011199396A Moving image prediction encoding device, moving image prediction encoding method, moving image prediction encoding program, moving image prediction decoding device, moving image prediction decoding method, and moving image prediction decoding program 审中-公开
标题翻译：移动图像预测编码装置，移动图像预测编码方法，移动图像预测编码程序，移动图像预测解码装置，移动图像预测解码方法和移动图像预测解码程序
公开(公告)号：JP2011199396A
公开(公告)日：2011-10-06
申请号：JP2010061337
申请日：2010-03-17
申请人： Ntt Docomo Inc , 株式会社エヌ・ティ・ティ・ドコモ
发明人： BUN CHUNSEN , SUZUKI YOSHINORI , FUJIBAYASHI AKIRA , TAN THIOW KENG
IPC分类号： H04N19/50 , H04N19/423 , H04N19/463 , H04N19/48 , H04N19/503 , H04N19/593 , H04N19/61 , H04N19/625 , H04N19/70 , H04N19/91
CPC分类号： H04N19/573 , H04N19/107 , H04N19/172 , H04N19/423 , H04N19/61
摘要： PROBLEM TO BE SOLVED: To efficiently carry out compression encoding of images which exist proceeding or following images of a part of random access, and to solve a problem (malfunction, etc.) of a fault of the conventional technique.SOLUTION: A moving image prediction encoding device includes: an encoding unit which encodes data for display order information of the images while encoding the input images, and generating compressed image data including random access images; a restoration unit for restoring the reproduced images by decoding the compressed image data; an image storage unit for storing the reproduced images as the reference images; and a memory management unit for controlling the image storage unit. After the encoding processing for generating the random access images finishes, the memory management unit first of all refreshes the image storage unit by setting the reference images excluding the random access images out of the reference images in the image storage unit as unnecessary immediately before or immediately after encoding the images whose display order information is larger than the display order information of the random access images.
摘要翻译：要解决的问题：为了有效地执行存在于随机存取部分的图像的图像的压缩编码，并且解决了传统技术的故障的问题（故障等）。解决方案：运动图像预测编码装置包括：编码单元，其对编码输入图像的图像的显示顺序信息进行编码，并生成包括随机存取图像的压缩图像数据; 恢复单元，用于通过对压缩图像数据进行解码来恢复再现图像; 图像存储单元，用于存储再现图像作为参考图像; 以及用于控制图像存储单元的存储器管理单元。在用于生成随机存取图像的编码处理结束之后，存储器管理单元首先通过将图像存储单元中的参考图像之外的随机存取图像除去的参考图像设置为立即之前或之后的不必要来刷新图像存储单元在对显示顺序信息大于随机访问图像的显示顺序信息的图像进行编码之后。

6. 发明专利

JP2011041329A Image decoding apparatus and image encoding apparatus 有权
标题翻译：图像解码装置和图像编码装置
公开(公告)号：JP2011041329A
公开(公告)日：2011-02-24
申请号：JP2010260386
申请日：2010-11-22
申请人： Ntt Docomo Inc , 株式会社エヌ・ティ・ティ・ドコモ
发明人： SUZUKI YOSHINORI , BUN CHUNSEN , TAN THIOW KENG
IPC分类号： H04N19/50 , G06T3/40 , G06T5/00 , H04N7/26 , H04N7/46 , H04N7/50 , H04N19/105 , H04N19/132 , H04N19/134 , H04N19/136 , H04N19/139 , H04N19/146 , H04N19/159 , H04N19/167 , H04N19/189 , H04N19/192 , H04N19/196 , H04N19/423 , H04N19/46 , H04N19/503 , H04N19/523 , H04N19/533 , H04N19/56 , H04N19/57 , H04N19/593 , H04N19/70 , H04N19/80
摘要： PROBLEM TO BE SOLVED: To improve the accuracy of motion detection between images, while reducing the computational complexity required for an image resolution enhancement processing.
SOLUTION: An image decoding apparatus includes: a coded-data decoding means for entropy-decoding coded data to acquire a motion vector generation condition as a necessary condition for generation of motion vectors, and coding information indicating prediction error image signals; an image memory for storing decoded image signals; a motion-vector generating means for generating the motion vectors, based on the decoded image signals stored in the image memory, on the basis of the motion vector generation condition; a predicted image-signal generating means for generating predicted image signals, using the motion vectors and the decoded image signals; a decoding means for decoding the coding information to acquire the prediction error image signals; and a storing means for adding the predicted image signals to the prediction error image signals and reconstructing the decoded image signals, and for storing the decoded image signals in the image memory.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提高图像之间的运动检测的精度，同时降低图像分辨率增强处理所需的计算复杂度。解决方案：图像解码装置包括：编码数据解码装置，用于对编码数据进行熵解码以获取运动矢量生成条件作为产生运动矢量的必要条件，以及编码指示预测误差图像信号的信息; 用于存储解码图像信号的图像存储器; 运动矢量产生装置，用于基于运动矢量产生条件，基于存储在图像存储器中的解码图像信号产生运动矢量; 预测图像信号生成装置，用于使用运动矢量和解码图像信号产生预测图像信号; 解码装置，用于解码编码信息以获取预测误差图像信号; 以及存储装置，用于将预测图像信号与预测误差图像信号相加并重构解码图像信号，并将解码图像信号存储在图像存储器中。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2010087984A Video encoder, video decoder, video coding method, video decoding method, video coding program, video decoding program, and video coding/decoding system 有权
标题翻译：视频编码器，视频解码器，视频编码方法，视频解码方法，视频编码程序，视频解码程序和视频编码/解码系统
公开(公告)号：JP2010087984A
公开(公告)日：2010-04-15
申请号：JP2008256601
申请日：2008-10-01
申请人： Ntt Docomo Inc , 株式会社エヌ・ティ・ティ・ドコモ
发明人： SUZUKI YOSHINORI , BUN CHUNSEN , TAN THIOW KENG
IPC分类号： H04N19/50 , H04N19/102 , H04N19/136 , H04N19/159 , H04N19/20 , H04N19/423 , H04N19/46 , H04N19/503 , H04N19/593 , H04N19/60 , H04N19/61 , H04N19/70 , H04N19/91
CPC分类号： H04N19/186 , H04N19/184
摘要： PROBLEM TO BE SOLVED: To enhance an encoding efficiency and easily expand processing capacity in video encoding/decoding process, while suppressing an increase in capacity and band frequency of a frame memory. SOLUTION: A bit-length extension converter 102 converts an object image having a pixel value represented by a bit length N, into an image having a pixel value represented a bit length M. A compressor 110 encodes a converted image. An expander 111 restores the encoded image. A bit-length reducing converter 113 converts the restored image into a reproduced image represented by the bit length L shorter than the bit length M; and the reproduced image is stored into a frame memory 114 as a reference image. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：在抑制帧存储器的容量和频带频率的增加的同时，提高编码效率，容易扩大视频编码/解码处理的处理能力。解决方案：位长扩展转换器102将具有由位长度N表示的像素值的对象图像转换成具有表示位长度M的像素值的图像。压缩器110对转换的图像进行编码。扩展器111恢复编码图像。比特长缩小转换器113将恢复的图像转换为比比特长度M短的比特长度L表示的再现图像; 并且再现的图像被存储到作为参考图像的帧存储器114中。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2008283662A Image prediction/encoding device, image prediction/encoding method, image prediction/encoding program, image prediction/decoding device, image prediction/decoding method, and image prediction/decoding program 有权
标题翻译：图像预测/编码设备，图像预测/编码方法，图像预测/编码程序，图像预测/解码设备，图像预测/解码方法和图像预测/解码程序
公开(公告)号：JP2008283662A
公开(公告)日：2008-11-20
申请号：JP2007241242
申请日：2007-09-18
申请人： Ntt Docomo Inc , 株式会社エヌ・ティ・ティ・ドコモ
发明人： SUZUKI YOSHINORI , BUN CHUNSEN , TAN THIOW KENG
IPC分类号： H04N19/105 , H04N19/107 , H04N19/11 , H04N19/134 , H04N19/137 , H04N19/176 , H04N19/189 , H04N19/192 , H04N19/196 , H04N19/423 , H04N19/46 , H04N19/50 , H04N19/503 , H04N19/51 , H04N19/523 , H04N19/593 , H04N19/61 , H04N19/625 , H04N19/70 , H04N19/85 , H04N19/91
摘要： PROBLEM TO BE SOLVED: To provide an image prediction/encoding device, an image prediction/encoding method, an image prediction/encoding program, an image prediction/decoding device, an image prediction/decoding method, and an image prediction/decoding program which selects a plurality of candidate prediction signals without increasing an information amount. SOLUTION: A weighting device 234 and an adder 235 perform a process, averaging, for example, of pixel signals extracted by a prediction adjacent region acquisition device 232 by using a predetermined synthesis method so as to generate a comparative signal for an adjacent pixel signal for each of combinations. A comparison/selection device 236 selects a combination having a high correlation between a comparison signal generated by the weighting device 234 and an adjacent pixel signal acquired by an object adjacent region acquisition unit 233. A prediction region acquisition unit 204, a weighting unit 205, and an adder 206 generate a candidate prediction signal and process it by using the predetermined synthesis method so as to generate a prediction signal. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供图像预测/编码装置，图像预测/编码方法，图像预测/编码程序，图像预测/解码装置，图像预测/解码方法和图像预测/ 解码程序，其在不增加信息量的情况下选择多个候选预测信号。解决方案：加权装置234和加法器235通过使用预定的合成方法来执行例如平均化由预测相邻区域获取装置232提取的像素信号的处理，以便生成相邻的像素信号。比较/选择装置236选择由加权装置234生成的比较信号与由对象相邻区域获取单元233获取的相邻像素信号之间具有高相关性的组合。预测区域获取单元204，加权单元205，并且加法器206生成候选预测信号并通过使用预定的合成方法进行处理，以产生预测信号。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2007116351A Image prediction coding apparatus, image prediction decoding apparatus, image prediction coding method, image prediction decoding method, image prediction coding program, and image prediction decoding program 审中-公开
标题翻译：图像预测编码装置，图像预测解码装置，图像预测编码方法，图像预测解码方法，图像预测编码程序和图像预测解码程序
公开(公告)号：JP2007116351A
公开(公告)日：2007-05-10
申请号：JP2005304534
申请日：2005-10-19
申请人： Ntt Docomo Inc , 株式会社エヌ・ティ・ティ・ドコモ
发明人： BUN CHUNSEN , TAN THIOW KENG
IPC分类号： H04N19/50 , H04N19/103 , H04N19/11 , H04N19/134 , H04N19/136 , H04N19/137 , H04N19/182 , H04N19/196 , H04N19/463 , H04N19/51 , H04N19/593 , H04N19/60 , H04N19/61 , H04N19/70 , H04N19/91
CPC分类号： H04N19/11 , H04N19/13 , H04N19/136 , H04N19/14 , H04N19/157 , H04N19/172 , H04N19/176 , H04N19/182 , H04N19/46 , H04N19/50 , H04N19/593 , H04N19/61
摘要： PROBLEM TO BE SOLVED: To provide a technology capable of realizing efficient coding processing or decoding processing by decreasing the amount of mode information associated with a prediction method for generating an in-image prediction signal in a pixel region. SOLUTION: The image prediction coding apparatus 10 includes: an in-image prediction signal generating method determining section 15 that determines a prediction method derived on the basis of data corresponding to an adjacent region adjacent to an object region and comprising pixel signals having already been reproduced as an R mode prediction method or an L mode prediction method; an in-image prediction signal generating section 16 for generating an in-image prediction signal on the basis of the determined R mode prediction method; a subtractor 18, a conversion section 19, a quantization section 20, and an entropy coding section 25 for coding a residual signal between the pixel signal of the object region and the generated in-image prediction signal. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过减少与在像素区域中生成图像内预测信号的预测方法相关联的模式信息量来实现有效的编码处理或解码处理的技术。解决方案：图像预测编码装置10包括：图像内预测信号生成方法确定部分15，其确定基于与对象区域相邻的相邻区域对应的数据导出的预测方法，并且包括具有已经被再现为R模式预测方法或L模式预测方法; 图像预测信号生成部16，用于根据确定的R模式预测方法生成图像内预测信号; 减法器18，转换部分19，量化部分20和熵编码部分25，用于对目标区域的像素信号和所生成的图像内预测信号之间的残差信号进行编码。版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2006108932A Motion picture encoding device using plural reference pictures, motion picture decoding device, motion picture encoding method, motion picture decoding method, motion picture encoding program and motion picture decoding program 审中-公开
标题翻译：运动图像编码装置使用多种参考图像，运动图像解码装置，运动图像编码方法，运动图像解码方法，运动图像编码程序和运动图像解码程序
公开(公告)号：JP2006108932A
公开(公告)日：2006-04-20
申请号：JP2004290629
申请日：2004-10-01
申请人： Ntt Docomo Inc , 株式会社エヌ・ティ・ティ・ドコモ
发明人： BUN CHUNSEN , TAN THIOW KENG
IPC分类号： H04N19/50 , H04N19/102 , H04N19/103 , H04N19/105 , H04N19/137 , H04N19/176 , H04N19/196 , H04N19/503 , H04N19/51 , H04N19/577 , H04N19/61 , H04N19/625 , H04N19/91
摘要： PROBLEM TO BE SOLVED: To solve the problem that the code amount of auxiliary information increases because information on a reference picture used to generate a prediction signal must be also encoded in a predictive encoding/decoding method using a plurality of reference pictures.
SOLUTION: The motion picture decoding device is provided with an input means for inputting compression-encoded data including picture data compressed and encoded on the basis of a prediction signal generated by referring to a plurality of encoded reference pictures and data about motion information for generating a prediction signal, a decoding means for decoding the compressed and encoded data to generate a reproduced picture, and a storage means for storing the reproduced picture as a decoded reference picture. In this device, the decoding means uses the motion information to generate candidate prediction signals for each of the plurality of decoded reference pictures stored in the storage means, selects the optimum reference picture from the plurality of candidate prediction signals on the basis of a predetermined evaluation standard, generates the optimum prediction signal for the optimum reference picture, and decodes the reproduced picture on the basis of the optimum prediction signal.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了解决辅助信息的代码量增加的问题，因为用于生成预测信号的参考图像的信息也必须在使用多个参考图片的预测编码/解码方法中进行编码。解决方案：运动图像解码装置设置有输入装置，用于输入压缩编码数据，该压缩编码数据包括基于通过参考多个编码参考图片产生的预测信号和关于运动信息的数据而被压缩和编码的图像数据用于产生预测信号的解码装置，用于对压缩和编码数据进行解码以产生再现图像的解码装置，以及用于将再现图像存储为解码参考图像的存储装置。在该装置中，解码装置使用运动信息来生成存储在存储装置中的多个解码参考图像中的每一个的候选预测信号，根据预定的评估从多个候选预测信号中选择最佳参考图像生成最佳参考图像的最佳预测信号，并根据最佳预测信号对再现图像进行解码。版权所有（C）2006，JPO＆NCIPI

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式