公开(公告)号：US09165349B2

公开(公告)日：2015-10-20

申请号：US13554638

申请日：2012-07-20

申请人： Jae-hyun Kwon ,  Young-hun Sung ,  Sung-su Kim ,  Hyun-hwa Oh

发明人： Jae-hyun Kwon ,  Young-hun Sung ,  Sung-su Kim ,  Hyun-hwa Oh

IPC分类号： A61B6/00 ,  G06T5/00 ,  G06T5/50

CPC分类号： G06T5/009 ,  A61B6/482 ,  G06T5/50 ,  G06T2207/10116 ,  G06T2207/20028 ,  G06T2207/20221 ,  G06T2207/30068

摘要： An apparatus for generating a diagnosis image includes a local contrast characteristic calculator configured to calculate local contrast characteristics of radiation image data of a low-energy sub-band from radiation image data generated by radiation having at least two energy bands passing through a subject; a local contrast characteristic applier configured to apply the calculated local contrast characteristics to radiation image data of a full-energy band generated by the radiation having at least two energy bands passing through the subject; and a diagnosis image generator configured to generate a diagnosis image of the subject based on the radiation image data of the full-energy band to which the local contrast characteristics have been applied.

摘要翻译： 用于产生诊断图像的装置包括：局部对比度特征计算器，被配置为从通过被摄体的至少两个能带的辐射产生的放射线图像数据计算低能量子带的辐射图像数据的局部对比特性; 局部对比度特征施加器，被配置为将所计算的局部对比特性应用于由具有穿过被摄体的至少两个能带的辐射产生的全能带的辐射图像数据; 以及诊断图像生成器，被配置为基于已经应用了局部对比特性的全能带的辐射图像数据来生成被摄体的诊断图像。

公开(公告)号：US09149241B2

公开(公告)日：2015-10-06

申请号：US13591963

申请日：2012-08-22

申请人： Sung-su Kim ,  Hyun-hwa Oh ,  Young-hun Sung ,  Jae-hyun Kwon ,  Seok-min Han ,  Dong-goo Kang

发明人： Sung-su Kim ,  Hyun-hwa Oh ,  Young-hun Sung ,  Jae-hyun Kwon ,  Seok-min Han ,  Dong-goo Kang

IPC分类号： G06K9/00 ,  A61B6/00 ,  G01N23/06 ,  A61B8/08

CPC分类号： A61B6/482 ,  A61B6/4035 ,  A61B6/4241 ,  A61B6/467 ,  A61B6/502 ,  A61B6/5205 ,  A61B6/5235 ,  A61B6/56 ,  A61B8/5207 ,  G01N23/06 ,  G01N2223/423

摘要： A method of generating an image by using multi-energy radiation data and an apparatus therefor is provided. The method includes receiving multi-energy radiation data including a plurality of pieces of radiation data indicating an inner portion of a subject with respect to a plurality of radioactive rays in different energy bands, respectively, generating, based on the received multi-energy radiation data, radiation data of a radioactive ray in an energy band that is different from the different energy bands, and generating a radiation image of the subject based on the generated radiation data.

摘要翻译： 提供了一种通过使用多能量辐射数据产生图像的方法及其装置。 该方法包括分别接收多个能量辐射数据，该多能辐射数据包括多个辐射数据，其表示相对于不同能带中的多个放射线的对象的内部部分，基于所接收的多能量辐射数据 ，与不同能带不同的能带中的放射线的辐射数据，以及基于所生成的辐射数据产生对象的辐射图像。

公开(公告)号：US08849023B2

公开(公告)日：2014-09-30

申请号：US11907126

申请日：2007-10-09

申请人： Joo-young Kang ,  Hyun-wook Ok ,  Seong-deok Lee ,  Hyun-hwa Oh

发明人： Joo-young Kang ,  Hyun-wook Ok ,  Seong-deok Lee ,  Hyun-hwa Oh

IPC分类号： G06K9/00 ,  G06K9/40 ,  G06K9/46 ,  G06K9/66 ,  H04N9/64 ,  G04F3/08 ,  H04N9/04

CPC分类号： G06T5/001 ,  G06T5/006 ,  G06T7/13 ,  G06T2207/10024 ,  G06T2207/20192 ,  H04N9/045 ,  H04N9/646

摘要： The present invention relates to an apparatus and method of correcting a chromatic aberration of an image, and in particular, to an apparatus and method of correcting a chromatic aberration of an image that can correct a general chromatic aberration of an edge or an extreme chromatic aberration, such as a purple fringe, in an image.An apparatus for correcting a chromatic aberration of an image according to an embodiment of the present invention includes an edge detection unit detecting an edge of an input image, a level calculation unit calculating a chromatic aberration level of the detected edge, and a correction unit correcting the edge using different weighted values according to the calculated chromatic aberration level.

摘要翻译： 本发明涉及校正图像的色像差的装置和方法，特别地涉及一种校正可校正一般色差或极差色像差的图像色差的装置和方法 ，例如紫色边缘，在图像中。 根据本发明的实施例的用于校正图像的色差的装置包括检测输入图像的边缘的边缘检测单元，计算检测到的边缘的色差等级的电平计算单元和校正单元的校正单元 边缘根据计算的色差级别使用不同的加权值。

公开(公告)号：US08699822B2

公开(公告)日：2014-04-15

申请号：US12886114

申请日：2010-09-20

申请人： Sung-Chan Park ,  Hyun-Hwa Oh ,  Jae-Hyun Kwon ,  Seong-Deok Lee ,  Won-Hee Choe

发明人： Sung-Chan Park ,  Hyun-Hwa Oh ,  Jae-Hyun Kwon ,  Seong-Deok Lee ,  Won-Hee Choe

IPC分类号： G06K9/32

CPC分类号： G06T5/50 ,  G06T2207/20208 ,  G06T2207/20221

摘要： A method and apparatus may include aligning a reference image and an input image through ROI-based image alignment; detecting an ROI associated with an incompletely aligned region in the aligned image; and blending the aligned reference image and input image by using a plurality of weights which are attenuated according to a spatial distance from a boundary of the detected ROI. In addition, the method and apparatus may include aligning a reference image and an input image through image alignment based on an nth region of interest (ROI) which is detected at a previous stage; detecting another ROI associated with an incompletely aligned region in the aligned image; and blending the aligned image in the other ROI and an (n+1)th blended image, which is input from a next stage, in a region outside the other ROI, and outputting the last blended image to the previous stage.

摘要翻译： 方法和装置可以包括通过基于ROI的图像对准来对准参考图像和输入图像; 检测与所述对齐图像中的不完全对准区域相关联的ROI; 以及通过使用根据与检测到的ROI的边界的空间距离衰减的多个权重来混合对准的参考图像和输入图像。 另外，该方法和装置可以包括基于在前一阶段检测到的第n个感兴趣区域（ROI）的图像对准来对准参考图像和输入图像; 检测与对齐图像中的不完全对齐的区域相关联的另一ROI; 并将另一个ROI中的对准图像和从下一级输入的第（n + 1）个混合图像混合在另一个ROI之外的区域中，并将最后的混合图像输出到前一个阶段。

公开(公告)号：US20120275565A1

公开(公告)日：2012-11-01

申请号：US13457575

申请日：2012-04-27

申请人： Sung-su Kim ,  Myung-jin Chung ,  Hyun-hwa Oh ,  Young-hun Sung ,  Sang-wook Han ,  Jae-hyun Kwon ,  Seok-min Han ,  Dong-goo Kang ,  Kang-eui Lee

发明人： Sung-su Kim ,  Myung-jin Chung ,  Hyun-hwa Oh ,  Young-hun Sung ,  Sang-wook Han ,  Jae-hyun Kwon ,  Seok-min Han ,  Dong-goo Kang ,  Kang-eui Lee

IPC分类号： G01N23/083

CPC分类号： A61B6/4241 ,  A61B6/42 ,  A61B6/482

摘要： A radiation signal detection apparatus includes a filter unit configured to allow penetration of a component of radiation that passed through a subject, the filter unit including one or more unit filters configured to allow penetration of only a component in a predetermined energy band of the radiation, and a sensor unit, including one or more first unit sensors configured to convert only the component of the radiation for which the penetration is allowed by the unit filters into a first electric signal, one or more second unit sensors configured to convert a component in all energy bands of the radiation into a second electric signal, and a radiation signal detector configured to detect a first radiation signal and a second radiation signal by respectively using the first electric signal of the first unit sensors and the second electric signal of the second unit sensors.

摘要翻译： 辐射信号检测装置包括被配置为允许穿过受试者的辐射的分量的穿透的过滤器单元，所述过滤器单元包括被配置为仅允许穿透辐射的预定能带中的部件的一个或多个单元滤波器， 以及传感器单元，包括一个或多个第一单元传感器，所述第一单元传感器被配置为仅将所述单元滤波器允许的穿透的辐射的分量转换成第一电信号;配置成将所有部件全部转换的一个或多个第二单元传感器 将辐射的能带转换成第二电信号，以及辐射信号检测器，被配置为通过分别使用第一单元传感器的第一电信号和第二单元传感器的第二电信号来检测第一辐射信号和第二辐射信号 。

公开(公告)号：US08295629B2

公开(公告)日：2012-10-23

申请号：US12318655

申请日：2009-01-05

申请人： Ho-Cheon Wey ,  Hyun-Hwa Oh ,  Young-Jin Yoo ,  Seong-Deok Lee

发明人： Ho-Cheon Wey ,  Hyun-Hwa Oh ,  Young-Jin Yoo ,  Seong-Deok Lee

IPC分类号： G06K9/40 ,  H04N5/235

CPC分类号： G06T5/50 ,  G06T2207/10144 ,  G06T2207/20208

摘要： Provided are a method and system for processing a low-illuminance image. The system includes an image acquisition unit to acquire two images having different levels of illuminance and sensitivity as first and second images; a motion vector estimation unit to extract a motion vector of the second image based on the first image; an image correction unit to correct the second image using the extracted motion vector; a synthesis coefficient calculation unit to calculate a synthesis coefficient used to synthesize the first image and the corrected second image; and an image synthesis unit to synthesize the first image and the corrected second image using the calculated synthesis coefficient.

摘要翻译： 提供了一种用于处理低照度图像的方法和系统。 该系统包括图像获取单元，用于获取具有不同等级的照度和灵敏度的两个图像作为第一和第二图像; 运动矢量估计单元，用于基于所述第一图像提取所述第二图像的运动矢量; 图像校正单元，用于使用所提取的运动矢量校正第二图像; 合成系数计算单元，用于计算用于合成第一图像和校正的第二图像的合成系数; 以及图像合成单元，用于使用所计算的合成系数来合成第一图像和校正的第二图像。

公开(公告)号：US20120063662A1

公开(公告)日：2012-03-15

申请号：US13178838

申请日：2011-07-08

申请人： Jae-hyun KWON ,  Sung-su KIM ,  Hyun-hwa OH ,  Seong-deok LEE ,  Young-hun SUNG

发明人： Jae-hyun KWON ,  Sung-su KIM ,  Hyun-hwa OH ,  Seong-deok LEE ,  Young-hun SUNG

IPC分类号： G06K9/00

CPC分类号： G06T5/009 ,  G06T5/003 ,  G06T2207/10116 ,  G06T2207/30004

摘要： An image processing apparatus is provided. The image processing apparatus includes an extraction unit configured to extract a low-frequency band component and a high-frequency band component from a radiation image formed by passing through a subject, a contrast enhancement processing unit configured to perform a contrast enhancement process to the extracted low-frequency band component, a detail enhancement processing unit configured to perform a detail enhancement process to the extracted high-frequency band component, a synthesis unit configured to synthesize an image resulting from performing the contrast enhancement process and an image resulting from performing the detail enhancement process, and a generation unit configured to reconstruct the synthesized image and generate a diagnosis image.

摘要翻译： 提供一种图像处理装置。 图像处理装置包括：提取单元，被配置为从通过对象形成的放射线图像中提取低频带分量和高频带分量;对比度增强处理单元，被配置为对所提取的对象增强处理执行对比度增强处理; 低频带分量，被配置为对所提取的高频带分量执行细节增强处理的细节增强处理单元，合成单元，被配置为合成由执行对比度增强处理得到的图像和从执行细节得到的图像 增强处理和生成单元，被配置为重构合成图像并生成诊断图像。

公开(公告)号：US07974490B2

公开(公告)日：2011-07-05

申请号：US11889443

申请日：2007-08-13

申请人： Ho-young Lee ,  Du-sik Park ,  Hyun-hwa Oh

发明人： Ho-young Lee ,  Du-sik Park ,  Hyun-hwa Oh

IPC分类号： G06K9/40

CPC分类号： G06T5/003 ,  G06T5/008 ,  G06T2207/10024 ,  G06T2207/20021 ,  H04N1/58

摘要： Disclosed are an apparatus and method to improve clarity of images, which can prevent the degradation of the clarity of a display unit caused by deterioration of a contrast characteristic. The apparatus includes: an artifact reducing unit determining a representative color of one of the images and moving a color of an edge as the determined representative color; a filter extracting a high frequency component of the image; and a sharpness enhancement unit improving the clarity of the image having the color of the edge moved and the filtered high frequency component.

摘要翻译： 公开了一种提高图像清晰度的装置和方法，其可以防止由对比度特性的劣化引起的显示单元的清晰度的劣化。 该装置包括：伪像减少单元，确定图像之一的代表颜色，并移动边缘的颜色作为所确定的代表色; 提取图像的高频分量的滤波器; 以及锐度增强单元，其改善了具有所移动的边缘的颜色和滤波的高频分量的图像的清晰度。

公开(公告)号：US07920202B2

公开(公告)日：2011-04-05

申请号：US11727837

申请日：2007-03-28

申请人： Byung-kwan Park ,  Seong-deok Lee ,  Hyun-hwa Oh

发明人： Byung-kwan Park ,  Seong-deok Lee ,  Hyun-hwa Oh

IPC分类号： H04N5/232

CPC分类号： H04N5/23212

摘要： An apparatus and method to control the focusing of a photographing device, in which a light source portion is removed from an image, is provided. The focusing of the photographing device is controlled according to whether the image is in a high- or low-illuminance state. The apparatus includes a luminance detection unit detecting respective luminance values of pixels included in an image; a filter unit outputting values corresponding to the detected luminance values; a threshold calculation unit counting a number of pixels having luminance values greater than a predetermined value among the luminance values of the pixels included in the image and calculating a threshold value using a ratio of the counted number of pixels to a total number of pixels included in the image; and a control unit controlling a position of a lens using output values greater than the calculated threshold value among the output values.

摘要翻译： 提供了一种用于控制从图像中去除光源部分的拍摄装置的聚焦的装置和方法。 根据图像是处于高照度还是低照度状态来控制拍摄装置的聚焦。 该装置包括检测图像中包括的像素的各个亮度值的亮度检测单元; 输出与检测出的亮度值对应的值的滤波器单元; 阈值计算单元，对包括在图像中的像素的亮度值中的亮度值大于预定值的像素数进行计数，并使用计数的像素数与包括在像素中的像素总数的比率来计算阈值 图片; 以及控制单元，在输出值中使用大于计算出的阈值的输出值来控制透镜的位置。

公开(公告)号：US20110069200A1

公开(公告)日：2011-03-24

申请号：US12885713

申请日：2010-09-20

申请人： Hyun-Hwa OH ,  Sung-Chan Park ,  Jae-Hyun Kwon ,  Seong-Deok Lee ,  Won-Hee Choe

发明人： Hyun-Hwa OH ,  Sung-Chan Park ,  Jae-Hyun Kwon ,  Seong-Deok Lee ,  Won-Hee Choe

IPC分类号： H04N5/235

CPC分类号： H04N5/235 ,  H04N5/2355

摘要： A high dynamic range (HDR) image generating apparatus and method is provided. The HDR image generating apparatus may set an auto-exposure time, a long exposure time, a short exposure time, and a reference exposure time. The auto-exposure time may be set to be shorter than the long exposure time, the short exposure time may be set to be shorter than the auto-exposure time, and the reference exposure time may be set to fall within a range between the auto-exposure time and the short exposure time. The image generating apparatus may obtain a first image with the long exposure time and a second image with the reference exposure time, may correct motion in the first image and adjust a dynamic range of the second image, and then may composite the resultant first and second images to generate a high dynamic range image.

摘要翻译： 提供了高动态范围（HDR）图像生成装置和方法。 HDR图像生成装置可以设定自动曝光时间，长曝光时间，短曝光时间和参考曝光时间。 自动曝光时间可以被设置为短于长曝光时间，短曝光时间可以被设置为短于自动曝光时间，并且参考曝光时间可以被设置在自动曝光时间之间的范围内 - 曝光时间和短曝光时间。 图像生成装置可以获得具有长曝光时间的第一图像和具有参考曝光时间的第二图像，可以校正第一图像中的运动并调整第二图像的动态范围，然后可以将所得到的第一和第二图像 图像生成高动态范围图像。