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1. 发明授权

US08345759B2 Motion vector encoding device and decoding device 有权
公开(公告)号：US08345759B2
公开(公告)日：2013-01-01
申请号：US11744432
申请日：2007-05-04
申请人： Akira Nakagawa , Taizo Anan , Eishi Morimatsu , Takashi Itoh
发明人： Akira Nakagawa , Taizo Anan , Eishi Morimatsu , Takashi Itoh
IPC分类号： H04N7/12
CPC分类号： H04N19/00587 , H04N19/105 , H04N19/12 , H04N19/13 , H04N19/137 , H04N19/15 , H04N19/176 , H04N19/51 , H04N19/513 , H04N19/52 , H04N19/61
摘要： A prediction error generating unit generates a predictive vector from the motion vectors of a plurality of adjacent blocks, and obtains a difference from a target vector. A plurality of variable-length coding units respectively encode the output of the prediction error generating unit with different encoding methods. A determining unit estimates the accuracy of the predictive vector generated by the prediction error generating unit based on the degrees of non-uniformity of the motion vectors of the plurality of adjacent blocks. A selecting unit selects one of the encoding results obtained by the plurality of variable-length coding units.

2. 发明申请

US20070121727A1 Motion vector encoding device and decoding device 有权
公开(公告)号：US20070121727A1
公开(公告)日：2007-05-31
申请号：US11651014
申请日：2007-01-09
申请人： Akira Nakagawa , Taizo Anan , Eishi Morimatsu , Takashi Itoh
发明人： Akira Nakagawa , Taizo Anan , Eishi Morimatsu , Takashi Itoh
IPC分类号： H04N11/02 , H04N11/04
CPC分类号： H04N19/00587 , H04N19/105 , H04N19/12 , H04N19/13 , H04N19/137 , H04N19/15 , H04N19/176 , H04N19/51 , H04N19/513 , H04N19/52 , H04N19/61
摘要： A prediction error generating unit generates a predictive vector from the motion vectors of a plurality of adjacent blocks, and obtains a difference from a target vector. A plurality of variable-length coding units respectively encode the output of the prediction error generating unit with different encoding methods. A determining unit estimates the accuracy of the predictive vector generated by the prediction error generating unit based on the degrees of non-uniformity of the motion vectors of the plurality of adjacent blocks. A selecting unit selects one of the encoding results obtained by the plurality of variable-length coding units.

3. 发明授权

US06333949B1 Video coding apparatus and decoding apparatus 有权
标题翻译：视频编码装置和解码装置
公开(公告)号：US06333949B1
公开(公告)日：2001-12-25
申请号：US09474133
申请日：1999-12-29
申请人： Akira Nakagawa , Kimihiko Kazui , Eishi Morimatsu , Takahiro Shimizu
发明人： Akira Nakagawa , Kimihiko Kazui , Eishi Morimatsu , Takahiro Shimizu
IPC分类号： H04N736
CPC分类号： H04N19/59 , H04N19/105 , H04N19/117 , H04N19/134 , H04N19/139 , H04N19/152 , H04N19/159 , H04N19/176 , H04N19/196 , H04N19/527 , H04N19/61 , H04N19/82 , H04N19/86
摘要： Video coding apparatus and decoding apparatus capable of reproducing decoded pictures without introducing unwanted noises, even if any considerable difference in pixel values or discontinuity exists at a certain block boundary. In a video coding apparatus employing predictive techniques, a dequantizer and an inverse DCT processor reproduce a prediction error signal from quantized transform coefficients. Here, a first resolution conversion unit (or downsampling unit) might have subsampled the original prediction error signal to reduce its picture resolution. If this is the case, a second resolution conversion unit (or upsampling unit) attempts to restore the original resolution of the prediction error signal by applying an upsampling process to the reproduced prediction error signal having the reduced resolution. In this upsampling process, each new pixel value in a certain block are calculated with reference to some surrounding pixels. The upsampling process, however, will not refer to the pixels belonging to any adjacent blocks that are subject to another coding scheme which is different from the coding scheme of the present block of interest. As an alternate arrangement, the upsampling process will entirely neglect the pixels in any other blocks but will refer only to the present block, block-by-block basis, comprising the substep of (b1) performing an upsampling process of each block with the low resolution to regain the high resolution, while not referring, when calculating a pixel value in a block that is subject to one of the coding schemes, to any pixels that belong to any other block adjacent to the block of interest if the adjacent block is subject to the other coding scheme, but referring at least to the pixels belonging to the block of interest.
摘要翻译：即使在某个块边界处存在像素值或不连续性的任何相当大的差异，也能够再现解码图像而不引入不需要的噪声的视频编码装置和解码装置。在采用预测技术的视频编码装置中，去量化器和逆DCT处理器从量化变换系数再现预测误差信号。这里，第一分辨率转换单元（或下采样单元）可以对原始预测误差信号进行二次采样以降低其图像分辨率。如果是这种情况，则第二分辨率转换单元（或上采样单元）尝试通过对具有降低的分辨率的再现的预测误差信号应用上采样处理来恢复预测误差信号的原始分辨率。在该上采样处理中，参考一些周围像素计算某个块中的每个新像素值。然而，上采样处理将不涉及属于与当前感兴趣块的编码方案不同的另一编码方案的属于任何相邻块的像素。作为替代布置，上采样处理将完全忽略任何其他块中的像素，但将逐块地参考当前块，包括（b1）的子步骤，以低的速率执行每个块的上采样处理分辨率重新获得高分辨率，而当计算受到编码方案之一的块中的像素值而不指向属于与感兴趣块相邻的任何其他块的任何像素时，如果相邻块为对象至少涉及属于感兴趣块的像素。

4. 发明授权

US5805222A Video coding apparatus 失效
标题翻译：视频编码装置
公开(公告)号：US5805222A
公开(公告)日：1998-09-08
申请号：US743171
申请日：1996-11-04
申请人： Akira Nakagawa , Kimihiko Kazui , Eishi Morimatsu , Takahiro Shimizu
发明人： Akira Nakagawa , Kimihiko Kazui , Eishi Morimatsu , Takahiro Shimizu
IPC分类号： H04N19/50 , G06T9/00 , H03M7/30 , H04N19/126 , H04N19/132 , H04N19/134 , H04N19/146 , H04N19/152 , H04N19/172 , H04N19/196 , H04N19/423 , H04N19/436 , H04N19/503 , H04N19/51 , H04N19/59 , H04N19/61 , H04N19/625 , H04N19/85 , H04N19/91 , H04N7/50
CPC分类号： H04N19/59 , H04N19/117 , H04N19/132 , H04N19/15 , H04N19/152 , H04N19/156 , H04N19/157 , H04N19/169 , H04N19/172 , H04N19/61 , H04N19/80 , H04N19/82 , H04N19/85 , H04N19/146
摘要： A video coding apparatus for performing predictive coding of digital video input signals. The apparatus employs a resolution selection controller that selects picture resolution to be used in coding of a source picture of a current frame, according to coding information in a previous frame. Such coding information includes quantizer step size, amount of coded data, and buffer occupancy. Before being supplied to a coding unit, the source picture is sent to a resolution converter, where the source picture is converted to gain the resolution selected by said resolution selection controller. The coding unit then encodes the source picture with the selected picture resolution.
摘要翻译：一种用于执行数字视频输入信号的预测编码的视频编码装置。该装置采用分辨率选择控制器，其根据前一帧中的编码信息选择要在当前帧的源图像的编码中使用的图像分辨率。这样的编码信息包括量化器步长，编码数据量和缓冲器占用。在提供给编码单元之前，将源图像发送到分辨率转换器，其中源图像被转换以获得由所述分辨率选择控制器选择的分辨率。然后，编码单元以所选择的图像分辨率对源图像进行编码。

5. 发明申请

US20100202712A1 IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD 有权
标题翻译：图像处理装置和图像处理方法
公开(公告)号：US20100202712A1
公开(公告)日：2010-08-12
申请号：US12767376
申请日：2010-04-26
申请人： Toru Tsuruta , Masayoshi Shimizu , Yuushi Toyoda , Eishi Morimatsu
发明人： Toru Tsuruta , Masayoshi Shimizu , Yuushi Toyoda , Eishi Morimatsu
IPC分类号： G06T5/00
CPC分类号： G06T5/50 , G06T5/002 , G06T5/20 , G06T2207/10016 , G06T2207/20192 , H04N7/012
摘要： An image processing apparatus holds a plurality of intermediate smoothed images smoothed at a plurality of preset level values, reduces the N-th frame image of a moving image received from the outside to generate a reduced image, performs a smoothing process on the generated reduced image at the plurality of preset level values to generate a plurality of intermediate smoothed images, stores the generated intermediate smoothed images in an intermediate smoothed image storing unit, acquires, when generating the smoothed images of the frames after the (N+1)-th frame, one or a plurality of intermediate smoothed images from the plurality of intermediate smoothed images of the N-th frame stored in the intermediate smoothed image storing unit, synthesizes the acquired intermediate smoothed images of the N-th frame and the frames after the (N+1)-th frame of the moving image received from the outside, and generates smoothed images.
摘要翻译：图像处理装置保持以多个预设电平值平滑的多个中间平滑图像，减少从外部接收的运动图像的第N帧图像以生成缩小图像，对所生成的缩小图像执行平滑处理在多个预设电平值上生成多个中间平滑图像，将生成的中间平滑图像存储在中间平滑图像存储单元中，在第（N + 1）帧之后生成帧的平滑图像时获取，从中间平滑图像存储单元中存储的第N帧的多个中间平滑图像中的一个或多个中间平滑图像合成所获取的第N帧的中间平滑图像和（N +1）帧，并且产生平滑图像。

6. 发明授权

US07324697B2 Data embedding device and data extraction device 有权
标题翻译：数据嵌入设备和数据提取设备
公开(公告)号：US07324697B2
公开(公告)日：2008-01-29
申请号：US10637587
申请日：2003-08-11
申请人： Kimihiko Kazui , Akira Nakagawa , Eishi Morimatsu
发明人： Kimihiko Kazui , Akira Nakagawa , Eishi Morimatsu
IPC分类号： G06K9/36
CPC分类号： G06T1/0035 , G06T2201/0053
摘要： A data embedding device includes a dynamic image storage unit storing inter-frame prediction coded dynamic image data, an embedding data storage unit storing embedding data that is embedded into the inter-frame prediction coded dynamic image data, and an embedding unit embedding the embedding data into a rounding direction flag contained per frame data in the inter-frame prediction coded dynamic image data.
摘要翻译：数据嵌入装置包括存储帧间预测编码动态图像数据的动态图像存储单元，存储嵌入在帧间预测编码动态图像数据中的嵌入数据的嵌入数据存储单元，嵌入嵌入数据的嵌入单元进入帧间预测编码动态图像数据中每帧数据所包含的舍入方向标志。

7. 发明授权

US07310372B2 Motion vector encoding device and decoding device 有权
公开(公告)号：US07310372B2
公开(公告)日：2007-12-18
申请号：US10375127
申请日：2003-02-28
申请人： Akira Nakagawa , Taizo Anan , Eishi Morimatsu , Takashi Itoh
发明人： Akira Nakagawa , Taizo Anan , Eishi Morimatsu , Takashi Itoh
IPC分类号： H04N7/12
CPC分类号： H04N19/00587 , H04N19/105 , H04N19/12 , H04N19/13 , H04N19/137 , H04N19/15 , H04N19/176 , H04N19/51 , H04N19/513 , H04N19/52 , H04N19/61
摘要： A prediction error generating unit generates a predictive vector from the motion vectors of a plurality of adjacent blocks, and obtains a difference from a target vector. A plurality of variable-length coding units respectively encode the output of the prediction error generating unit with different encoding methods. A determining unit estimates the accuracy of the predictive vector generated by the prediction error generating unit based on the degrees of non-uniformity of the motion vectors of the plurality of adjacent blocks. A selecting unit selects one of the encoding results obtained by the plurality of variable-length coding units.

8. 发明申请

US20070130175A1 Video metadata correction apparatus and method 有权
标题翻译：视频元数据修正装置及方法
公开(公告)号：US20070130175A1
公开(公告)日：2007-06-07
申请号：US11390379
申请日：2006-03-28
申请人： Soutaro Kaneko , Masami Mizutani , Eishi Morimatsu
发明人： Soutaro Kaneko , Masami Mizutani , Eishi Morimatsu
IPC分类号： G06F7/00
CPC分类号： H04N5/772 , G11B27/28 , H04N5/781 , H04N5/85 , H04N5/907 , H04N5/91 , H04N9/8205 , H04N21/42202 , H04N21/84
摘要： This invention is to provide a technique for properly correcting video metadata related to and synchronized with the video. This video metadata correction apparatus includes: a section identification unit that identifies a section including incorrect video metadata based on information concerning video metadata in a first video metadata storage for storing the information concerning the video metadata as sensor information synchronized with video and a first video feature value, which correlates with the information concerning the video metadata and is extracted from the video; and a corrector that corrects the video metadata in the identified section based on the first video feature value or a second video feature value, which correlates with the information concerning the video metadata and is extracted from the video. In this manner, only an incorrectly measured part can be corrected in an effective manner.
摘要翻译：本发明提供一种用于适当地校正与视频相关并与其同步的视频元数据的技术。该视频元数据校正装置包括：区段识别单元，其基于第一视频元数据存储器中关于视频元数据的信息识别包括不正确的视频元数据的部分，用于存储与视频元数据相关的信息作为与视频同步的传感器信息，以及第一视频特征值与视频元数据相关，并从视频中提取; 以及校正器，其基于与视频元数据相关的信息和从视频中提取的第一视频特征值或第二视频特征值来校正所识别的部分中的视频元数据。以这种方式，只能以有效的方式校正不正确的部分。

9. 发明申请

US20070122058A1 Method and apparatus for analyzing image, and computer product 有权
标题翻译：图像分析方法和装置，计算机产品
公开(公告)号：US20070122058A1
公开(公告)日：2007-05-31
申请号：US11499655
申请日：2006-08-07
申请人： Asako Kitaura , Seiya Shimizu , Masami Mizutani , Eishi Morimatsu
发明人： Asako Kitaura , Seiya Shimizu , Masami Mizutani , Eishi Morimatsu
IPC分类号： G06K9/36 , G06K9/00
CPC分类号： G06T7/579
摘要： In analysis of a panorama image that is created by processing a series of picture frames, a partial image to constitute a part of the panorama image is extracted from one picture frame among the picture frames, optical flows of the one picture frame is calculated, each of the optical flows with each pixel in the partial image are associated with each other, and a distance to a subject appearing in the partial image is calculated based on the associated optical flows.
摘要翻译：在对通过处理一系列图像帧而产生的全景图像的分析中，从图像帧中的一个图像帧中提取构成全景图像的一部分的部分图像，计算一个图像帧的光流，与部分图像中的每个像素的光流相关联，并且基于相关联的光流量计算出出现在部分图像中的被摄体的距离。

10. 发明申请

US20050125419A1 Search processing system, its search server, client, search processing method, program, and recording medium 审中-公开
标题翻译：搜索处理系统，其搜索服务器，客户端，搜索处理方法，程序和记录介质
公开(公告)号：US20050125419A1
公开(公告)日：2005-06-09
申请号：US11038534
申请日：2005-01-21
申请人： Masami Mizutani , Kimihiko Kazui , Eishi Morimatsu
发明人： Masami Mizutani , Kimihiko Kazui , Eishi Morimatsu
IPC分类号： G06F17/30
CPC分类号： G06F16/957
摘要： Metadata wherein characteristics descriptions for respective contents are performed is stored. A search server does not send back the whole metadata for each relevant metadata responding to a search request for the metadata from the client, but sends back part thereof. Thereby, a communications volume between the search server and the client is reduced. Further, it is possible to perform browsing wherein the metadata is sequentially obtained little by little.
摘要翻译：存储其中执行各个内容的特征描述的元数据。搜索服务器不会响应于来自客户端的元数据的搜索请求而发回每个相关元数据的整个元数据，而是发回其部分。由此，减少了搜索服务器与客户端之间的通信量。此外，可以一步一步地依次获得元数据的执行浏览。

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