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1. 发明授权

US09118917B2 Image coding method, image coding apparatus, and imaging system 有权
标题翻译：图像编码方法，图像编码装置和成像系统
公开(公告)号：US09118917B2
公开(公告)日：2015-08-25
申请号：US13569885
申请日：2012-08-08
申请人： Megumi Sakai , Toshihiko Kusakabe , Shinji Kitamura , Yasuharu Tanaka
发明人： Megumi Sakai , Toshihiko Kusakabe , Shinji Kitamura , Yasuharu Tanaka
IPC分类号： H04N19/14 , H04N19/176 , H04N19/122 , H04N19/61
CPC分类号： H04N19/14 , H04N19/122 , H04N19/176 , H04N19/61
摘要： The image coding method according to the present invention includes the following steps. At a histogram calculation step, a histogram of pixel values included in a block image is calculated. At a plane region detection step, a size of a plane region included in the block image is detected. At an orthogonal transformation size selection step, (i) a first processing size is selected as a processing size of orthogonal transformation for the block image when the histogram is bimodal and the size of the plane region is equal to or greater than the first threshold value, and (ii) a second processing size greater than the first processing size is selected as the processing size, when that the histogram is not bimodal or the size of the plane region is smaller than the first threshold value.
摘要翻译：根据本发明的图像编码方法包括以下步骤。在直方图计算步骤中，计算包括在块图像中的像素值的直方图。在平面区域检测步骤中，检测包括在块图像中的平面区域的大小。在正交变换大小选择步骤中，（i）当直方图是双模的并且平面区域的大小等于或大于第一阈值时，选择第一处理大小作为块图像的正交变换的处理大小，并且（ii）当直方图不是双模态或平面区域的尺寸小于第一阈值时，选择大于第一处理大小的第二处理大小作为处理大小。

2. 发明申请

US20120300098A1 IMAGE CODING METHOD, IMAGE CODING APPARATUS, AND IMAGING SYSTEM 有权
标题翻译：图像编码方法，图像编码装置和成像系统
公开(公告)号：US20120300098A1
公开(公告)日：2012-11-29
申请号：US13569885
申请日：2012-08-08
申请人： Megumi SAKAI , Toshihiko Kusakabe , Shinji Kitamura , Yasuharu Tanaka
发明人： Megumi SAKAI , Toshihiko Kusakabe , Shinji Kitamura , Yasuharu Tanaka
IPC分类号： G06K9/36 , H04N5/228
CPC分类号： H04N19/14 , H04N19/122 , H04N19/176 , H04N19/61
摘要： The image coding method according to the present invention includes the following steps. At a histogram calculation step, a histogram of pixel values included in a block image is calculated. At a plane region detection step, a size of a plane region included in the block image is detected. At an orthogonal transformation size selection step, (i) a first processing size is selected as a processing size of orthogonal transformation for the block image when the histogram is bimodal and the size of the plane region is equal to or greater than the first threshold value, and (ii) a second processing size greater than the first processing size is selected as the processing size, when that the histogram is not bimodal or the size of the plane region is smaller than the first threshold value.
摘要翻译：根据本发明的图像编码方法包括以下步骤。在直方图计算步骤中，计算包括在块图像中的像素值的直方图。在平面区域检测步骤中，检测包括在块图像中的平面区域的大小。在正交变换大小选择步骤中，（i）当直方图是双模的并且平面区域的大小等于或大于第一阈值时，选择第一处理大小作为块图像的正交变换的处理大小，并且（ii）当直方图不是双模态或平面区域的尺寸小于第一阈值时，选择大于第一处理大小的第二处理大小作为处理大小。

3. 发明授权

US08000391B2 Motion vector estimating method and motion picture processor 有权
标题翻译：运动矢量估计方法和运动图像处理器
公开(公告)号：US08000391B2
公开(公告)日：2011-08-16
申请号：US11206947
申请日：2005-08-19
申请人： Yasuharu Tanaka , Shinji Kitamura
发明人： Yasuharu Tanaka , Shinji Kitamura
IPC分类号： H04N7/12
CPC分类号： H04N19/59 , H04N19/433 , H04N19/61
摘要： A motion vector estimator includes an object data input and sorting unit and a reference data input and sorting unit for sorting packed input picture data to separate first picture data used for estimating the motion vector from second picture data that is not used for estimating the motion vector and pack the picture data again respectively, an object data storing unit and a reference data storing unit for storing the repacked first picture data and the second picture data, and a motion vector calculating unit for reading the first picture data from the object data storing unit and the reference data storing unit to perform a calculation for estimating the motion vector.
摘要翻译：运动矢量估计器包括对象数据输入和分类单元和参考数据输入和分类单元，用于对打印的输入图像数据进行排序，以将用于估计运动矢量的第一图像数据与不用于估计运动矢量的第二图像数据分离并分别再次打包图像数据，对象数据存储单元和参考数据存储单元，用于存储重新包装的第一图像数据和第二图像数据;以及运动矢量计算单元，用于从对象数据存储单元读取第一图像数据以及参考数据存储单元，用于执行用于估计运动矢量的计算。

4. 发明授权

US08917766B2 Picture coding apparatus, picture coding method and video camera 有权
标题翻译：图像编码装置，图像编码方法和摄像机
公开(公告)号：US08917766B2
公开(公告)日：2014-12-23
申请号：US12749860
申请日：2010-03-30
申请人： Koji Arimura , Kenjiro Tsuda , Tatsuro Juri , Yasuharu Tanaka , Yoshimitsu Sasaki , Shinji Kitamura
发明人： Koji Arimura , Kenjiro Tsuda , Tatsuro Juri , Yasuharu Tanaka , Yoshimitsu Sasaki , Shinji Kitamura
IPC分类号： H04N11/02 , G06K9/36 , H04N11/04 , H04N19/172 , H04N19/102 , H04N19/137 , H04N19/139 , H04N19/597
CPC分类号： H04N19/137 , H04N19/105 , H04N19/139 , H04N19/172 , H04N19/176 , H04N19/597
摘要： A picture coding apparatus includes a static area information calculating unit that calculates static area information indicating a size of a static area of which motion is smaller than a predetermined value for each of fields included in an interlaced picture, a reference field selecting unit that selects, as a reference field to be used to predict a field to be coded, one of a field having of the same parity as a field to be coded and a field having the opposite parity of the field to be coded, among fields previously coded, based on the static area information of the fields previously coded, and a coding unit that codes the field to be coded by using the reference field selected by the reference field selecting unit.
摘要翻译：一种图像编码装置，包括静态区域信息计算单元，该静态区域信息计算单元针对包含在隔行扫描图像中的每一场计算指示运动小于预定值的静态区域的大小的静态区域信息;参考场选择单元，作为用于预测要编码的场的参考场，在先前编码的场中，具有与要编码的场相同的奇偶校验的场和要被编码的场的相反奇偶校验的场之一关于先前编码的字段的静态区域信息，以及编码单元，其通过使用由参考字段选择单元选择的参考字段对要编码的字段进行编码。

5. 发明申请

US20070165716A1 Signal processing device, image capturing device, network camera system and video system 审中-公开
标题翻译：信号处理装置，摄像装置，网络摄像机系统和视频系统
公开(公告)号：US20070165716A1
公开(公告)日：2007-07-19
申请号：US11652566
申请日：2007-01-12
申请人： Shinji Kitamura , Yasuharu Tanaka
发明人： Shinji Kitamura , Yasuharu Tanaka
IPC分类号： H04N7/12 , H04N11/04
CPC分类号： H04N19/433
摘要： A reference image memory comprises seven reference bank memories each having a capacity which can store three reference macroblocks in the vertical direction. Of the seven reference bank memories, any three reference bank memories are adaptively allocated to motion estimation of full pixel precision, any other three reference bank memories are adaptively allocated to motion estimation of half pixel precision, and remaining one reference bank memory is adaptively allocated to spare transfer for image data of a reference macroblock used in motion estimation with respect to the next target macroblock. The reference bank memories are connected to a motion estimating circuit via a total of seven respective buses separately. The motion estimating circuit performs the motion estimation of full pixel precision, the motion estimation of half pixel precision, and the spare transfer for image data of a reference macroblock used in motion estimation with respect to the next target macroblock, in parallel.
摘要翻译：参考图像存储器包括七个参考组存储器，每个存储器具有能够在垂直方向上存储三个参考宏块的容量。在七个参考组存储器中，任何三个参考存储器被自适应地分配给全像素精度的运动估计，任何其他三个参考组存储器被自适应地分配给半像素精度的运动估计，并且剩余的一个参考组存储器被自适应地分配给用于相对于下一个目标宏块的运动估计中使用的参考宏块的图像数据的备用传输。参考组存储器分别通过总共七个相应的总线连接到运动估计电路。运动估计电路并行地执行全像素精度的运动估计，半像素精度的运动估计和运动估计中使用的参考宏块的图像数据的备用传输。

6. 发明申请

US20090060039A1 METHOD AND APPARATUS FOR COMPRESSION-ENCODING MOVING IMAGE 审中-公开
标题翻译：用于压缩编码移动图像的方法和装置
公开(公告)号：US20090060039A1
公开(公告)日：2009-03-05
申请号：US12190156
申请日：2008-08-12
申请人： Yasuharu Tanaka , Shinji Kitamura
发明人： Yasuharu Tanaka , Shinji Kitamura
IPC分类号： H04N11/02
CPC分类号： H04N19/174 , H04N19/109 , H04N19/11 , H04N19/124 , H04N19/146 , H04N19/176 , H04N19/18 , H04N19/61
摘要： Encoding processes are performed in their respective encoding modes until their respective quantized DCT (discrete cosine transform) coefficients are generated. Based on information about code amounts generated in the encoding modes, an encoding mode that provides a smallest code amount is determined. DCT coefficients corresponding to the determined encoding mode are subjected to variable-length encoding.
摘要翻译：在它们各自的编码模式下执行编码处理，直到产生它们各自的量化的DCT（离散余弦变换）系数。基于在编码模式中生成的代码量的信息，确定提供最小代码量的编码模式。对应于所确定的编码模式的DCT系数进行可变长度编码。

7. 发明申请

US20070279426A1 Image data transfer method, image processing device, and imaging system 有权
标题翻译：图像数据传输方法，图像处理装置和成像系统
公开(公告)号：US20070279426A1
公开(公告)日：2007-12-06
申请号：US11785414
申请日：2007-04-17
申请人： Yasuharu Tanaka , Shinji Kitamura , Taichi Nagata , Yoshihisa Shimazu
发明人： Yasuharu Tanaka , Shinji Kitamura , Taichi Nagata , Yoshihisa Shimazu
IPC分类号： G06F12/02 , G06F13/00 , H04N7/50
CPC分类号： H04N19/61 , G06F12/0207
摘要： An image data transfer method including the steps of: (a) reading pixel data of a two-dimensional image stored in a first image storage and having a plurality of pixels, the position of each of the pixels being represented by coordinates of first and second directions, the pixel data being read by scanning data transfer units of the pixel data in the second direction where each of the data transfer units is formed by data of a predetermined number of pixels consecutive in the first direction; (b) writing the data transfer units read at step (a) in a temporary data storage where data is stored at a position designated by a combination of first and second addresses, the data transfer units being written in burst mode in a region of the temporary data storage in which the first addresses are consecutive while the second address is fixed; and (c) reading the data transfer units written in the temporary data storage from the region in which the first addresses are consecutive while the second address is fixed in burst mode and writing the read data transfer units in a second image storage.
摘要翻译：一种图像数据传送方法，包括以下步骤：（a）读取存储在第一图像存储器中并具有多个像素的二维图像的像素数据，每个像素的位置由第一和第二像素的坐标表示通过扫描第二方向上的像素数据的数据传送单元来读取像素数据，其中每个数据传送单元由在第一方向上连续的预定数量的像素的数据形成; （b）将在步骤（a）读取的数据传送单元写入临时数据存储器，其中数据存储在由第一和第二地址的组合指定的位置处，数据传送单元以突发模式写入临时数据存储，其中第一地址是连续的，而第二地址是固定的; 以及（c）从第一地址连续的区域读取临时数据存储器中写入的数据传送单元，同时在突发模式下读取固定第二地址的区域，并将读取的数据传送单元写入第二图像存储器。

8. 发明授权

US07248191B2 Variable-length coding method, variable-length coding device and imaging system 有权
标题翻译：可变长度编码方法，可变长度编码装置和成像系统
公开(公告)号：US07248191B2
公开(公告)日：2007-07-24
申请号：US11444438
申请日：2006-06-01
申请人： Yasuharu Tanaka , Shinji Kitamura , Taichi Nagata
发明人： Yasuharu Tanaka , Shinji Kitamura , Taichi Nagata
IPC分类号： H03M7/40
CPC分类号： H03M7/40 , H04N19/159 , H04N19/91
摘要： A VLC mode judgment section performs judgment on whether or not a received group (Last, Run, Level) exists in a VLC table and then performs judgment on which one of a first escape mode, a second escape more and a third escape mode is suitable. According to a judgment result of the VLC mode judgment section, an FLC processing section or a coding mode selection section performs variable-length coding using selected one of the received group (Last, Run, Level), a group generated in the first escape mode, and a group generated by the second escape group or fixed-length coding using a third escape mode.
摘要翻译： VLC模式判断部分对VLC表中是否存在接收到的组（Last，Run，Level）进行判断，然后判断第一逃避模式，第二逃逸模式和第三逃生模式中的哪一个是适合的。根据VLC模式判断部分的判断结果，FLC处理部分或编码模式选择部分使用所接收的组（Last，Run，Level）中选择的一个进行可变长度编码，以及由第二转义组生成的组或使用第三逃逸模式的固定长度编码。

9. 发明申请

US20110001839A1 PICTURE CODING APPARATUS, PICTURE CODING METHOD AND VIDEO CAMERA 有权
标题翻译：图像编码设备，图像编码方法和视频摄像机
公开(公告)号：US20110001839A1
公开(公告)日：2011-01-06
申请号：US12749860
申请日：2010-03-30
申请人： Koji ARIMURA , Kenjiro Tsuda , Tatsuro Juri , Yasuharu Tanaka , Yoshimitsu Sasaki , Shinji Kitamura
发明人： Koji ARIMURA , Kenjiro Tsuda , Tatsuro Juri , Yasuharu Tanaka , Yoshimitsu Sasaki , Shinji Kitamura
IPC分类号： H04N7/32 , H04N5/228
CPC分类号： H04N19/137 , H04N19/105 , H04N19/139 , H04N19/172 , H04N19/176 , H04N19/597
摘要： A picture coding apparatus includes a static area information calculating unit that calculates static area information indicating a size of a static area of which motion is smaller than a predetermined value for each of fields included in an interlaced picture, a reference field selecting unit that selects, as a reference field to be used to predict a field to be coded, one of a field having of the same parity as a field to be coded and a field having the opposite parity of the field to be coded, among fields previously coded, based on the static area information of the fields previously coded, and a coding unit that codes the field to be coded by using the reference field selected by the reference field selecting unit.
摘要翻译：一种图像编码装置，包括静态区域信息计算单元，该静态区域信息计算单元针对包含在隔行扫描图像中的每一场计算指示运动小于预定值的静态区域的大小的静态区域信息;参考场选择单元，作为用于预测要编码的场的参考场，在先前编码的场中，具有与要编码的场相同的奇偶校验的场和要被编码的场的相反奇偶校验的场之一关于先前编码的字段的静态区域信息，以及编码单元，其通过使用由参考字段选择单元选择的参考字段对要编码的字段进行编码。

10. 发明申请

US20060273939A1 Variable-length coding method, variable-length coding device and imaging system 有权
标题翻译：可变长度编码方法，可变长度编码装置和成像系统
公开(公告)号：US20060273939A1
公开(公告)日：2006-12-07
申请号：US11444438
申请日：2006-06-01
申请人： Yasuharu Tanaka , Shinji Kitamura , Taichi Nagata
发明人： Yasuharu Tanaka , Shinji Kitamura , Taichi Nagata
IPC分类号： H03M7/40
CPC分类号： H03M7/40 , H04N19/159 , H04N19/91
摘要： A VLC mode judgment section performs judgment on whether or not a received group (Last, Run, Level) exists in a VLC table and then performs judgment on which one of a first escape mode, a second escape more and a third escape mode is suitable. According to a judgment result of the VLC mode judgment section, an FLC processing section or a coding mode selection section performs variable-length coding using selected one of the received group (Last, Run, Level), a group generated in the first escape mode, and a group generated by the second escape group or fixed-length coding using a third escape mode.
摘要翻译： VLC模式判断部分对VLC表中是否存在接收到的组（Last，Run，Level）进行判断，然后判断第一逃避模式，第二逃逸模式和第三逃生模式中的哪一个是适合的。根据VLC模式判断部分的判断结果，FLC处理部分或编码模式选择部分使用所接收的组（Last，Run，Level）中选择的一个进行可变长度编码，以及由第二转义组生成的组或使用第三逃逸模式的固定长度编码。

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