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    • 1. 发明专利
    • Method and apparatus for correcting chromatic aberration of image
    • 用于校正图像色彩偏差的方法和装置
    • JP2009055610A
    • 2009-03-12
    • JP2008214544
    • 2008-08-22
    • Samsung Electro Mech Co LtdSamsung Electronics Co Ltd三星電子株式会社Samsung Electronics Co.,Ltd.三星電機株式会社
    • KANG JOO-YOUNGOK HYUNWOOKLEE SEONG-DEOKLIM JAE-GUYN
    • H04N1/46G06T1/00H04N1/60
    • H04N9/045
    • PROBLEM TO BE SOLVED: To provide a method and apparatus for correcting chromatic aberration of an image, the method and apparatus used in an image processing apparatus for an image pickup device or a display image processing apparatus.
      SOLUTION: A chromatic aberration correction apparatus according to one embodiment of the present invention includes a chromatic aberration region sensing unit analyzing a luminance signal of an input image and sensing a region having chromatic aberration; a color gradient calculation unit calculating a first weight, which indicates a degree of chromatic aberration, based on a difference between gradients of color components of the input image; a luminance gradient calculation unit calculating a second weight, which indicates the degree of chromatic aberration, based on gradients of luminance components of the input image; and a chrominance correction unit correcting chrominance of a pixel of the input image, which is included in the sensed region, based on a value obtained by multiplying the first weight by the second weight.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于校正图像的色差的方法和装置,在用于图像拾取装置的图像处理装置或显示图像处理装置中使用的方法和装置。 解决方案:根据本发明的一个实施例的色差校正装置包括色差区域感测单元,其分析输入图像的亮度信号并感测具有色差的区域; 颜色梯度计算单元,基于输入图像的颜色分量的梯度之差来计算指示色差程度的第一权重; 亮度梯度计算单元,基于输入图像的亮度分量的梯度来计算指示色差程度的第二权重; 以及色度校正单元,其基于通过将第一权重乘以第二权重而获得的值来校正包含在感测区域中的输入图像的像素的色度。 版权所有(C)2009,JPO&INPIT
    • 3. 发明专利
    • Video restoration device and method
    • 视频恢复装置和方法
    • JP2009070384A
    • 2009-04-02
    • JP2008234795
    • 2008-09-12
    • Samsung Electro Mech Co LtdSamsung Electronics Co Ltd三星電子株式会社Samsung Electronics Co.,Ltd.三星電機株式会社
    • LIM JAE-GUYNKANG JOO-YOUNGOK HYUNWOOKLEE SEONG-DEOK
    • G06T5/00G06T5/20H04N5/232
    • H04N5/142H04N5/208
    • PROBLEM TO BE SOLVED: To provide a device for restoring a video and a method thereof. SOLUTION: The video restoration device comprises: an edge intensity detector for detecting an edge intensity for each of a red channel, a green channel and a blue channel from an input image and generating an edge map for each of the red channel, the green channel and the blue channel; an edge intensity correction part for correcting the detected edge intensity of the red channel and the blue channel using the detected edge intensity of the green channel; an effective value generation part for generating an effective value indicating a blur level from the corrected edge intensity of the red and blue channels; a point-spread function estimation part for estimating the point-spread function corresponding to the effective value; and a video restoration part for restoring the input video using the point-spread function. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于恢复视频的设备及其方法。 解决方案:视频恢复装置包括:边缘强度检测器,用于从输入图像中检测红色通道,绿色通道和蓝色通道中的每一个的边缘强度,并为每个红色通道生成边缘图, 绿色通道和蓝色通道; 边缘强度校正部分,用于使用所检测的绿色通道的边缘强度来校正所检测到的红色通道和蓝色通道的边缘强度; 有效值产生部分,用于从校正的红色和蓝色通道的边缘强度产生指示模糊度的有效值; 点扩散函数估计部,用于估计与有效值相对应的点扩展函数; 以及用于使用点扩散功能恢复输入视频的视频恢复部分。 版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • Apparatus and method for adaptively controlling luminance of image, and computer-readable recording medium
    • 用于适应性地控制图像照明和计算机可读记录介质的装置和方法
    • JP2006197630A
    • 2006-07-27
    • JP2006041537
    • 2006-02-17
    • Samsung Electronics Co Ltd三星電子株式会社Samsung Electronics Co.,Ltd.
    • LEE SEONG-DEOKKIN SHOYOSEO YANG-SEOCKHAN YONG-IN
    • H04N5/20H04N5/57G06T5/00H04N9/77
    • H04N9/77H04N9/68
    • PROBLEM TO BE SOLVED: To adaptively control the luminance of an image by the degree of luminance of the image. SOLUTION: The adaptive image brightness control apparatus includes a brightness increment parameter setting unit 160, an average brightness arithmetic unit, a parameter arithmetic unit and a brightness control unit 169, the brightness increment parameter setting unit 160 inputs a frame image and in the average brightness arithmetic unit, average brightness of the frame image is computed. In the parameter arithmetic unit, based on a control signal including the average brightness and a scale value required for improving brightness, a brightness increment parameter is computed and outputted to a brightness control unit 169, and the brightness control unit 169 computes and outputs a brightness value improved for each pixel in response to a frame image and the brightness increment parameter. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:通过图像的亮度自适应地控制图像的亮度。 解决方案:自适应图像亮度控制装置包括亮度增量参数设置单元160,平均亮度运算单元,参数运算单元和亮度控制单元169,亮度增量参数设置单元160输入帧图像 计算平均亮度运算单元,帧图像的平均亮度。 在参数运算单元中,基于包括平均亮度和亮度提高所需的比例值的控制信号,计算出亮度增量参数并将其输出到亮度控制单元169,并且亮度控制单元169计算并输出亮度 响应于帧图像和亮度增量参数,每个像素的值被改善。 版权所有(C)2006,JPO&NCIPI
    • 7. 发明专利
    • Image browsing apparatus which uses color temperature, and its method
    • 使用彩色温度的图像浏览设备及其方法
    • JP2005333634A
    • 2005-12-02
    • JP2005137582
    • 2005-05-10
    • Samsung Electronics Co Ltd三星電子株式会社Samsung Electronics Co.,Ltd.
    • KIM SANG-KYUNKIN SHOYOPARK DU-SIKLEE SEONG-DEOK
    • G06T1/00G06F17/30G06T7/00H04N1/46H04N1/60H04N5/76H04N9/79
    • H04N1/60G06F17/30247G06F17/3025G06F17/30274
    • PROBLEM TO BE SOLVED: To provide an image browsing apparatus which uses color temperature.
      SOLUTION: The image browsing apparatus includes an image data storage part (image database) 60 for storing input image, a color temperature calculator 10 for calculating the color temperature of the input image, a metadata formation part 50 which forms metadata which describes input image by using color temperature received from the color temperature calculator 10, a metadata memory (metadata database) 90 which stores the metadata received from the metadata formation part 50, a command input part 70 to which an image browsing mode is inputted from a user, and a color temperature browser 20 which searches metadata in a range corresponding to searched color temperature of the image browsing mode, receives an image corresponding to the searched metadata from the image data storage part 60 and outputs the image.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种使用色温的图像浏览装置。 解决方案:图像浏览装置包括用于存储输入图像的图像数据存储部分(图像数据库)60,用于计算输入图像的色温的色温计算器10,形成描述的元数据的元数据形成部分50 通过使用从色温计算器10接收的色温输入图像,存储从元数据形成部50接收到的元数据的元数据存储器(元数据数据库)90,从用户输入图像浏览模式的命令输入部70 ,以及在与图像浏览模式的搜索色温相对应的范围内搜索元数据的色温浏览器20,从图像数据存储部60接收与搜索到的元数据相对应的图像,并输出图像。 版权所有(C)2006,JPO&NCIPI
    • 9. 发明专利
    • Magnetic resonance imaging system, and magnetic resonance imaging method
    • 磁共振成像系统和磁共振成像方法
    • JP2014083445A
    • 2014-05-12
    • JP2013219553
    • 2013-10-22
    • Samsung Electronics Co Ltd三星電子株式会社Samsung Electronics Co.,Ltd.
    • KIM YOUNG BEOMRYU YEUNCHULSON JONG-BUMLEE SEONG-DEOKLEE SEONG-DEOK
    • A61B5/055
    • G01R33/543G01R33/4835G01R33/5611
    • PROBLEM TO BE SOLVED: To provide a magnetic resonance imaging system and a magnetic resonance imaging method, for restoring high-resolution image data while shortening a photographing time.SOLUTION: A magnetic resonance imaging method comprises the steps of: applying an RF (Radio Frequency) pulse including a plurality of frequency components and a selection gradient to a photographic subject such that a plurality of sub volumes respectively included in at least two groups grouped such that adjacent sub volumes of a plurality of sub volumes constituting a volume of the photographic volume belong to groups different from each other are simultaneously excited, and performing three-dimensional encoding to each of the excited sub volumes; acquiring magnetic resonance signals from the plurality of sub volumes; and restoring each of the acquired magnetic resonance signals to image data corresponding to each of the plurality of sub volumes.
    • 要解决的问题:提供一种磁共振成像系统和磁共振成像方法,用于在缩短拍摄时间的同时恢复高分辨率图像数据。解决方案:磁共振成像方法包括以下步骤:应用RF(射频 )脉冲,其包括多个频率分量和对照相对象的选择梯度,使得分别包括在至少两个组中的多个子体积被分组,使得构成摄影体积的多个子体积的相邻子体积属于 同时激励彼此不同的组,并对每个激发的子体积进行三维编码; 从所述多个子体积获取磁共振信号; 并且将所获取的磁共振信号中的每一个恢复到与所述多个子卷中的每一个对应的图像数据。