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1. 发明申请

US20150161773A1 IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD 审中-公开
标题翻译：图像处理装置和图像处理方法
公开(公告)号：US20150161773A1
公开(公告)日：2015-06-11
申请号：US14399876
申请日：2013-04-26
申请人： Hitachi Kokusai Electric Inc.
发明人： Masashi Takahashi , Nobuhiro Chihara , Muneaki Yamaguchi
IPC分类号： G06T5/00 , G06T7/20 , G06K9/46
CPC分类号： G06T5/002 , G06K9/00791 , G06K9/38 , G06K9/46 , G06K9/4647 , G06K2009/4666 , G06T5/006 , G06T5/009 , G06T5/40 , G06T5/50 , G06T7/20 , G06T2207/20182 , G06T2207/30232 , H04N5/2171 , H04N5/272
摘要： Provided is an image processing apparatus that can reduce degradation in image quality due to heat haze and the like. An input image memory 110 stores an input image group 200 and an input image 210. A time-series smoothed image memory 112 stores a time-series smoothed image 220 obtained by time series smoothing. A moving body removed image memory 113 stores a moving body removed image 230 that is a background image. A histogram analyzing unit 130 computes a differential of histograms of partial images for the input image 210 and the time-series smoothed image 220 or the moving body removed image 230, and calculates similarity information between the images. On the basis of the similarity information, a region dividing unit 140 divides the input image 210 into a moving body region, and a region other than the moving body region. An image correcting unit 150 performs image synthesis of the input image 210 or the time series-smoothed image 220, for each of the regions.
摘要翻译：提供一种图像处理装置，其能够降低由于热霾等导致的图像质量的劣化。输入图像存储器110存储输入图像组200和输入图像210.时间序列平滑图像存储器112存储通过时间序列平滑获得的时间序列平滑图像220。移动体去除图像存储器113存储作为背景图像的移动体去除图像230。直方图分析单元130计算输入图像210和时间序平滑图像220或移动体去除图像230的部分图像的直方图的差分，并计算图像之间的相似度信息。基于相似度信息，区域分割单元140将输入图像210分割成移动体区域和移动体区域以外的区域。图像校正单元150针对每个区域执行输入图像210或时间序列平滑图像220的图像合成。

2. 发明申请

US20140341294A1 VIDEO ENCODING DEVICE 有权
标题翻译：视频编码设备
公开(公告)号：US20140341294A1
公开(公告)日：2014-11-20
申请号：US14354322
申请日：2012-10-23
申请人： Hitachi Kokusai Electric Inc.
发明人： Masashi Takahashi , Nobuhiro Chihara , Muneaki Yamaguchi
IPC分类号： H04N19/51 , H04N19/583
CPC分类号： H04N19/134 , H04N19/119 , H04N19/139 , H04N19/176 , H04N19/513 , H04N19/56
摘要： An image encoding device that appropriately estimates a prediction vector by avoiding an uncoded macro block (MB) is disclosed. The device determines a start point of searching a motion vector for an encoding target region, from the prediction vector for the target region which is determined with motion vectors for surrounding blocks around the target region and in accordance with a predetermined rule, and starts searching for the motion vector from the search start point. If the size of the encoding target region cannot be acquired during calculation of the prediction vector, the device determines the size of the encoding target region, from the size of an encoded region other than the target region. If at least one of the motion vectors for the surrounding blocks cannot be acquired, the device calculates the prediction vector using alternatively a motion vector of an encoded block outside of the target region.
摘要翻译：公开了一种通过避免未编码宏块（MB）来适当估计预测矢量的图像编码装置。从针对目标区域的周围块的运动矢量确定的目标区域的预测矢量，按照规定的规则，确定搜索编码对象区域的运动矢量的开始点，并开始搜索来自搜索起点的运动矢量。如果在预测矢量的计算期间不能获取编码目标区域的大小，则装置根据除了目标区域之外的编码区域的大小来确定编码目标区域的大小。如果不能获取周围块的运动矢量中的至少一个，则设备使用替代地在目标区域之外的编码块的运动矢量来计算预测矢量。

3. 发明授权

US10521885B2 Image processing device and image processing method 有权
公开(公告)号：US10521885B2
公开(公告)日：2019-12-31
申请号：US14399876
申请日：2013-04-26
申请人： Hitachi Kokusai Electric Inc.
发明人： Masashi Takahashi , Nobuhiro Chihara , Muneaki Yamaguchi
IPC分类号： G06T5/00 , H04N5/217 , H04N5/272 , G06T5/40 , G06T5/50 , G06K9/46 , G06T7/20 , G06K9/00 , G06K9/38
摘要： Provided is an image processing apparatus that can reduce degradation in image quality due to heat haze and the like. An input image memory 110 stores an input image group 200 and an input image 210. A time-series smoothed image memory 112 stores a time-series smoothed image 220 obtained by time series smoothing. A moving body removed image memory 113 stores a moving body removed image 230 that is a background image. A histogram analyzing unit 130 computes a differential of histograms of partial images for the input image 210 and the time-series smoothed image 220 or the moving body removed image 230, and calculates similarity information between the images. On the basis of the similarity information, a region dividing unit 140 divides the input image 210 into a moving body region, and a region other than the moving body region. An image correcting unit 150 performs image synthesis of the input image 210 or the time series-smoothed image 220, for each of the regions.

4. 发明授权

US09521417B2 Video encoding device using predicted motion vector for blocks of different size 有权
标题翻译：使用不同大小的块的预测运动矢量的视频编码装置
公开(公告)号：US09521417B2
公开(公告)日：2016-12-13
申请号：US14354322
申请日：2012-10-23
申请人： Hitachi Kokusai Electric Inc.
发明人： Masashi Takahashi , Nobuhiro Chihara , Muneaki Yamaguchi
IPC分类号： H04N19/134 , H04N19/56 , H04N19/176 , H04N19/119 , H04N19/513 , H04N19/139
CPC分类号： H04N19/134 , H04N19/119 , H04N19/139 , H04N19/176 , H04N19/513 , H04N19/56
摘要： An image encoding device that appropriately estimates a prediction vector by avoiding an uncoded macro block (MB) is disclosed. The device determines a start point of searching a motion vector for an encoding target region, from the prediction vector for the target region which is determined with motion vectors for surrounding blocks around the target region and in accordance with a predetermined rule, and starts searching for the motion vector from the search start point. If the size of the encoding target region cannot be acquired during calculation of the prediction vector, the device determines the size of the encoding target region, from the size of an encoded region other than the target region. If at least one of the motion vectors for the surrounding blocks cannot be acquired, the device calculates the prediction vector using alternatively a motion vector of an encoded block outside of the target region.
摘要翻译：公开了一种通过避免未编码宏块（MB）来适当估计预测矢量的图像编码装置。从针对目标区域的周围块的运动矢量确定的目标区域的预测矢量，按照规定的规则，确定搜索编码对象区域的运动矢量的开始点，并开始搜索来自搜索起点的运动矢量。如果在预测矢量的计算期间不能获取编码目标区域的大小，则装置根据除了目标区域之外的编码区域的大小来确定编码目标区域的大小。如果不能获取周围块的运动矢量中的至少一个，则设备使用替代地在目标区域之外的编码块的运动矢量来计算预测矢量。

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