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. 发明申请

US20060215927A1 Signal processing device and method, recording medium, and program 有权
标题翻译：信号处理装置和方法，记录介质和程序
公开(公告)号：US20060215927A1
公开(公告)日：2006-09-28
申请号：US10553085
申请日：2004-04-19
申请人： Shintaro Okada , Kazuhiko Ueda , Mitsuyasu Asano , Takeshi Kubozono , Kazuhiko Yokoyama
发明人： Shintaro Okada , Kazuhiko Ueda , Mitsuyasu Asano , Takeshi Kubozono , Kazuhiko Yokoyama
IPC分类号： G06K9/40
CPC分类号： H04N1/4092 , G06T5/004 , G06T5/20 , H04N5/208
摘要： The present invention relates to a signal processing apparatus and a method, a recording medium, and a program, in which portions except an edge can be smoothed while the edge whose change in pixel value is steep is held correctly. A pixel of attention is determined in step S11, and a neighbouring pixel is determined in step S12. In step S13, a difference in pixel values between the pixel of attention and each neighbouring pixel is calculated. In step S14, according to a relationship in size between the difference and a threshold value ε., flags are raised for the neighbouring pixel and a neighbouring pixel which are symmetrical. Furthermore, a flag is also raised for a neighbouring pixel away from, in view of the pixel of attention, the symmetrical neighbouring pixel for which the flag is raised. In step S15, 7-pixel taps centered around the pixel of attention are averaged by weight. However, with respect to the neighbouring pixel for which the flag is raised, the pixel value is replaced by that of the pixel of attention C, and is calculated. The present invention can be applied to a video camera, a television receiver, etc.
摘要翻译：信号处理设备和方法，记录介质和程序，其中除边缘以外的部分可被平滑化，同时像素值陡峭的边缘被正确地保持。在步骤S11中确定关注像素，并且在步骤S12中确定相邻像素。在步骤S13中，计算注意像素与每个相邻像素之间的像素值的差异。在步骤S14中，根据差异和阈值ε之间的大小关系，对于相邻像素和对称的相邻像素而升高标志。此外，鉴于注意的像素，标记升高的对称相邻像素的标志也被提升为相邻像素。在步骤S15中，以注意的像素为中心的7像素抽头通过重量进行平均。然而，对于标志升高的相邻像素，像素值被注意C的像素值代替，并被计算。本发明可应用于摄像机，电视接收机等

2. 发明授权

US07558435B2 Signal processing apparatus, method of processing a signal, recording medium, and program 有权
标题翻译：信号处理装置，处理信号的方法，记录介质和程序
公开(公告)号：US07558435B2
公开(公告)日：2009-07-07
申请号：US10805207
申请日：2004-03-22
申请人： Shintaro Okada , Kazuhiko Ueda , Mitsuyasu Asano , Takeshi Kubozono , Kazuki Yokoyama
发明人： Shintaro Okada , Kazuhiko Ueda , Mitsuyasu Asano , Takeshi Kubozono , Kazuki Yokoyama
IPC分类号： G06K9/40 , H04N5/00 , H04N5/21
CPC分类号： H04N5/21 , H04N5/142
摘要： In each of stages of a nonlinear filter, a successively determined target signal and plural adjacent signals are weighted-averaged with plural sets of different coefficients to calculate plural smoothed signals. Differences in level between the target signal and each of adjacent signals and signals arranged within the predetermined interval from the each of the adjacent signals are compared with a threshold value. According to the comparison, flags are set to the adjacent signal, to an adjacent signal arranged at a symmetrical position, and to adjacent signals arranged beyond the adjacent signals. The intervals of adjacent signals are different among stages. The target signal in level is used instead of the adjacent signals with smoothed signals, which are selected according to the flags. Weighting coefficients may be calculated on the basis of the comparison result, and smoothed signals may be synthesized according to the weighting coefficients.
摘要翻译：在非线性滤波器的每个级中，连续确定的目标信号和多个相邻信号被加权平均与多组不同系数，以计算多个平滑信号。将目标信号与布置在与每个相邻信号的预定间隔内的相邻信号和信号中的每一个之间的电平差与阈值进行比较。根据比较，将标志设置为相邻信号，布置在对称位置的相邻信号以及布置在相邻信号之外的相邻信号。相邻信号的间隔在不同阶段之间是不同的。使用电平的目标信号代替具有平滑信号的相邻信号，其根据标志被选择。可以基于比较结果计算加权系数，并且可以根据加权系数合成平滑信号。

3. 发明授权

US07773824B2 Signal processing device and method, recording medium, and program 有权
标题翻译：信号处理装置和方法，记录介质和程序
公开(公告)号：US07773824B2
公开(公告)日：2010-08-10
申请号：US10553085
申请日：2004-04-19
申请人： Shintaro Okada , Kazuhiko Ueda , Mitsuyasu Asano , Takeshi Kubozono , Kazuki Yokoyama
发明人： Shintaro Okada , Kazuhiko Ueda , Mitsuyasu Asano , Takeshi Kubozono , Kazuki Yokoyama
IPC分类号： G06K9/40
CPC分类号： H04N1/4092 , G06T5/004 , G06T5/20 , H04N5/208
摘要： The present invention relates to a signal processing apparatus and a method, a recording medium, and a program, in which portions except an edge can be smoothed while the edge whose change in pixel value is steep is held correctly. A pixel of attention is determined in step S11, and a neighboring pixel is determined in step S12. In step S13, a difference in pixel values between the pixel of attention and each neighboring pixel is calculated. In step S14, according to a relationship in size between the difference and a threshold value ε., flags are raised for the neighboring pixel and a neighboring pixel which are symmetrical. Furthermore, a flag is also raised for a neighboring pixel away from, in view of the pixel of attention, the symmetrical neighboring pixel for which the flag is raised. In step S15, 7-pixel taps centered around the pixel of attention are averaged by weight. However, with respect to the neighboring pixel for which the flag is raised, the pixel value is replaced by that of the pixel of attention C, and is calculated. The present invention can be applied to a video camera, a television receiver, etc.
摘要翻译：信号处理设备和方法，记录介质和程序，其中除边缘以外的部分可被平滑化，同时像素值陡峭的边缘被正确地保持。在步骤S11中确定关注像素，并且在步骤S12中确定相邻像素。在步骤S13中，计算注意像素和每个相邻像素之间的像素值的差异。在步骤S14中，根据差值和阈值之间的大小关系，对于相邻像素和对称的相邻像素，标志被升高。此外，鉴于注意的像素，标记升高的对称相邻像素的标志也被提升为相邻像素。在步骤S15中，以注意像素为中心的7像素抽头通过重量进行平均。然而，对于标志升高的相邻像素，像素值被注意C的像素值代替，并被计算。本发明可应用于摄像机，电视接收机等

4. 发明授权

US06714592B1 Picture information conversion method and apparatus 失效
标题翻译：图片信息转换方法和装置
公开(公告)号：US06714592B1
公开(公告)日：2004-03-30
申请号：US09711331
申请日：2000-11-13
申请人： Yu Liu , Naofumi Yanagihara , Kazushi Sato , Takeshi Kubozono , Shintaro Okada
发明人： Yu Liu , Naofumi Yanagihara , Kazushi Sato , Takeshi Kubozono , Shintaro Okada
IPC分类号： H04N712
CPC分类号： H04N19/40 , H04N19/124 , H04N19/149 , H04N19/152 , H04N19/177 , H04N19/61
摘要： A picture information conversion method and apparatus in which, if the compressed picture information with a variable or non-recognized information volume is input, optimum compression processing on the compressed picture information is performed to prevent underflow and/or overflow to suppress deterioration of the picture quality. A compressed information analysis device 3 analyzes the structure of the picture type of the GOP of the compressed picture information input to the FF buffer 2. A bit allocation device 5 generates a pseudo GOP of the input compressed picture information, based on N frames stored in the FF buffer 2 and on the analysis result information stored in the information buffer 4, and allocates a pre-set code volume to respective pictures of the generated GOP so that the output compressed picture information will be at a second bitrate.
摘要翻译：一种图像信息转换方法和装置，其中如果输入具有可变或未识别的信息量的压缩图像信息，则执行对压缩图像信息的最佳压缩处理以防止下溢和/或溢出以抑制图像的劣化质量。压缩信息分析装置3分析输入到FF缓冲器2的压缩图像信息的GOP的图像类型的结构。比特分配装置5基于存储在N帧中的N个帧来生成输入的压缩图像信息的伪GOP FF缓冲器2和存储在信息缓冲器4中的分析结果信息，并且将所预定的代码量分配给生成的GOP的各个图像，使得输出的压缩图像信息将处于第二位速率。

5. 发明授权

US06658157B1 Method and apparatus for converting image information 失效
标题翻译：用于转换图像信息的方法和装置
公开(公告)号：US06658157B1
公开(公告)日：2003-12-02
申请号：US09605035
申请日：2000-06-27
申请人： Kazushi Satoh , Takeshi Kubozono , Shintaro Okada , Yu Liu , Naofumi Yanagihara
发明人： Kazushi Satoh , Takeshi Kubozono , Shintaro Okada , Yu Liu , Naofumi Yanagihara
IPC分类号： G06K936
CPC分类号： H04N19/00 , G06F17/147 , H04N19/122 , H04N19/132 , H04N19/146 , H04N19/152 , H04N19/18 , H04N19/40 , H04N19/61 , H04N19/70
摘要： A technique is disclosed for reducing the bit rate of a bit stream coded into a compressed form according to the MPEG-2 standard, without causing significant degradation in image quality of a decoded image. An inverse DCT converter dequantizes a MPEG-2 bit stream and outputs resultant discrete cosine transform coefficients for each DCT block. A band limiter replaces the values of high-frequency components of the discrete cosine transform coefficients in the horizontal direction, with 0. A quantizer quantizes the discrete cosine transform coefficients using a quantization step value different from the original value.
摘要翻译：公开了一种用于根据MPEG-2标准降低编码成压缩形式的比特流的比特率的技术，而不会导致解码图像的图像质量的显着劣化。逆DCT转换器对MPEG-2比特流进行去量化，并输出每个DCT块的合成离散余弦变换系数。频带限制器用水平方向将离散余弦变换系数的高频分量的值替换为0.量化器使用不同于原始值的量化步长值来量化离散余弦变换系数。

6. 发明授权

US08411974B2 Image processing apparatus, method, and program for detecting still-zone area 失效
标题翻译：用于检测静态区域的图像处理装置，方法和程序
公开(公告)号：US08411974B2
公开(公告)日：2013-04-02
申请号：US12634866
申请日：2009-12-10
申请人： Shintaro Okada , Kazuhiko Nishibori
发明人： Shintaro Okada , Kazuhiko Nishibori
IPC分类号： G06K9/36
CPC分类号： H04N19/85 , H04N19/132 , H04N19/17 , H04N19/503 , H04N19/55 , H04N19/587 , H04N19/80
摘要： An image processing apparatus detecting, from an input image, a still-zone area disposed at an edge of the input image and displaying a same image continuously, the apparatus including: a difference calculation mechanism calculating a difference between pixel values of pixels located at a same position of the input image in different frames with each other for each pixel of the input image; a pixel-motion-information generation mechanism generating pixel-motion information indicating whether there is a change in the pixel values of the pixels of the input image on the basis of the difference; and a first detection mechanism comparing the pixel-motion information of a plurality of the pixels arranged in a first direction in the input image, and detecting a boundary position in the first direction between the still-zone area and an effective area excluding the still-zone area in the input image.
摘要翻译：一种图像处理装置，从输入图像检测设置在所述输入图像的边缘的静止区域并连续显示相同的图像，所述装置包括：差分计算机构，其计算位于所述输入图像的像素的像素值之间的差异对于输入图像的每个像素，输入图像在不同帧中的相同位置; 像素运动信息生成机构，根据该差分生成表示输入图像的像素的像素值是否有变化的像素运动信息; 以及第一检测机构，比较输入图像中沿第一方向布置的多个像素的像素运动信息，以及检测静止区域和除静止区域之外的有效区域之间的第一方向上的边界位置，输入图像中的区域区域。

7. 发明授权

US08204124B2 Image processing apparatus, method thereof, and program 失效
标题翻译：图像处理装置及其方法和程序
公开(公告)号：US08204124B2
公开(公告)日：2012-06-19
申请号：US12198544
申请日：2008-08-26
申请人： Shintaro Okada , Kazuhiko Nishibori , Tomohiro Nishi , Toshinori Ihara , Masuyoshi Kurokawa
发明人： Shintaro Okada , Kazuhiko Nishibori , Tomohiro Nishi , Toshinori Ihara , Masuyoshi Kurokawa
IPC分类号： H04N11/02 , G06K9/00
CPC分类号： H04N5/21 , G06T3/4007 , H04N5/144 , H04N5/147 , H04N7/014
摘要： An image processing apparatus includes a unit configured to calculate a sum of absolute differences between pixel values of pixels in a block of interest and pixel values of pixels in a reference block, a unit configured to compare sums of absolute differences calculated and to determine a minimum sum of absolute differences thereamong, a unit configured to estimate a motion vector for the pixel of interest using the reference pixel having the minimum sum of absolute differences and the pixel of interest, a unit configured to generate a motion-compensated image by using pixel values of the pixels as pixel values of corresponding pixels in the motion-compensated image, a unit configured to cumulatively add sums of absolute differences, and a unit configured to generate an interpolation image by mixing the pixels and corresponding pixels in the motion-compensated image according to an obtained cumulative-sum result.
摘要翻译：图像处理装置包括被配置为计算感兴趣块中的像素的像素值与参考块中的像素的像素值之间的绝对差之和的单元，被配置为比较计算的绝对差的和并确定最小值绝对差异之和，一个被配置为使用具有最小绝对差和和的关注像素的参考像素来估计感兴趣像素的运动矢量的单元，被配置为通过使用像素值来生成运动补偿图像的单元的像素作为运动补偿图像中的对应像素的像素值，被配置为累积地添加绝对差的和的单元，以及被配置为通过将运动补偿图像中的像素和对应像素混合来生成内插图像的单元，获得累积和结果。

8. 发明授权

US08244055B2 Image processing apparatus and method, and program 有权
标题翻译：图像处理装置及方法及程序
公开(公告)号：US08244055B2
公开(公告)日：2012-08-14
申请号：US12489766
申请日：2009-06-23
申请人： Shintaro Okada , Kazuhiko Nishibori , Tomohiro Nishi , Toshinori Ihara
发明人： Shintaro Okada , Kazuhiko Nishibori , Tomohiro Nishi , Toshinori Ihara
IPC分类号： G06K9/40
CPC分类号： H04N5/147 , H04N5/145 , H04N7/0127 , H04N7/014
摘要： An image processing apparatus includes: a difference-value calculation mechanism calculating a difference value between the first accumulated value produced by accumulating luminance values of a plurality of pixels in a first image and the second accumulated value produced by accumulating luminance values of a plurality of pixels in a second image having a difference in time with the first image; a threshold-value creation mechanism for creating a plurality of threshold values on the difference value in accordance with the first accumulated value, corresponding to the luminance change levels in order to grade a luminance change between the first image and the second image by a luminance change level indicating a degree of the luminance change; and a luminance-change-level determination mechanism for determining the luminance change level corresponding to the difference value on the basis of the plurality of threshold values.
摘要翻译：一种图像处理装置，包括：差值计算机构，计算通过累积第一图像中的多个像素的亮度值而产生的第一累加值与通过累积多个像素的亮度值而产生的第二累加值之间的差值在与第一图像具有时间差的第二图像中; 门限值创建机构，用于根据与亮度变化等级对应的第一累积值，根据亮度变化对第一图像和第二图像之间的亮度变化进行分级，生成关于差分值的多个阈值表示亮度变化程度的电平; 以及亮度变化电平确定机构，用于基于所述多个阈值来确定与所述差值对应的亮度变化电平。

9. 发明授权

US08391623B2 Image processing apparatus and image processing method for determining motion vectors 有权
标题翻译：用于确定运动矢量的图像处理装置和图像处理方法
公开(公告)号：US08391623B2
公开(公告)日：2013-03-05
申请号：US12486094
申请日：2009-06-17
申请人： Tomohiro Nishi , Kazuhiko Nishibori , Shintaro Okada , Toshinori Ihara
发明人： Tomohiro Nishi , Kazuhiko Nishibori , Shintaro Okada , Toshinori Ihara
IPC分类号： G06K9/36 , G06K9/46 , H04N7/12 , H04N11/02 , H04N11/04
CPC分类号： H04N5/145 , H04N7/0127 , H04N7/014
摘要： An image processing apparatus includes a motion vector detection unit configured to detect a motion vector at a predetermined space position of a frame at a predetermined time from an input image of a plurality of temporally different frames and obtain a reliability of the motion vector; a motion vector evaluation unit configured to obtain, at each space position, an evaluation value of the motion vector at the space position that is within a predetermined range including a subject space position that is a space position of interest, on the basis of the reliability at the space position and a distance from the subject space position; and a motion vector correction unit configured to correct the motion vector at the subject space position on the basis of the evaluation value and the motion vector at the space position of the predetermined range.
摘要翻译：一种图像处理装置包括：运动矢量检测单元，被配置为从多个时间不同的帧的输入图像在预定时间检测帧的预定空间位置处的运动矢量，并获得运动矢量的可靠性; 运动矢量评估单元，被配置为基于可靠性获得在每个空间位置处的所述空间位置处的运动矢量的评估值，所述运动矢量在包括作为所述空间位置的对象空间位置的预定范围内的评估值在空间位置和与被摄体空间位置的距离; 以及运动矢量校正单元，被配置为基于所述评估值和所述预定范围的所述空间位置处的运动矢量校正所述对象空间位置处的运动矢量。

10. 发明申请

US20090310876A1 IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND PROGRAM 有权
标题翻译：图像处理设备，图像处理方法和程序
公开(公告)号：US20090310876A1
公开(公告)日：2009-12-17
申请号：US12486094
申请日：2009-06-17
申请人： Tomohiro NISHI , Kazuhiko Nishibori , Shintaro Okada , Toshinori Ihara
发明人： Tomohiro NISHI , Kazuhiko Nishibori , Shintaro Okada , Toshinori Ihara
IPC分类号： G06K9/36
CPC分类号： H04N5/145 , H04N7/0127 , H04N7/014
摘要： An image processing apparatus includes a motion vector detection unit configured to detect a motion vector at a predetermined space position of a frame at a predetermined time from an input image of a plurality of temporally different frames and obtain a reliability of the motion vector; a motion vector evaluation unit configured to obtain, at each space position, an evaluation value of the motion vector at the space position that is within a predetermined range including a subject space position that is a space position of interest, on the basis of the reliability at the space position and a distance from the subject space position; and a motion vector correction unit configured to correct the motion vector at the subject space position on the basis of the evaluation value and the motion vector at the space position of the predetermined range.
摘要翻译：一种图像处理装置包括：运动矢量检测单元，被配置为从多个时间不同的帧的输入图像在预定时间检测帧的预定空间位置处的运动矢量，并获得运动矢量的可靠性; 运动矢量评估单元，被配置为基于可靠性获得在每个空间位置处的所述空间位置处的运动矢量的评估值，所述运动矢量在包括作为所述空间位置的对象空间位置的预定范围内的估计值在空间位置和与被摄体空间位置的距离; 以及运动矢量校正单元，被配置为基于所述评估值和所述预定范围的所述空间位置处的运动矢量校正所述对象空间位置处的运动矢量。

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