公开(公告)号：US08929677B2

公开(公告)日：2015-01-06

申请号：US12955455

申请日：2010-11-29

申请人： Jae-Guyn Lim ,  Joo-Young Kang ,  Byung-Kwan Park ,  Seong-Deok Lee ,  Won-Hee Choe

发明人： Jae-Guyn Lim ,  Joo-Young Kang ,  Byung-Kwan Park ,  Seong-Deok Lee ,  Won-Hee Choe

IPC分类号： G06K9/40 ,  H04N5/232 ,  H04N5/262 ,  G06T3/40 ,  H04N5/272

CPC分类号： H04N5/23212 ,  G02B27/0075 ,  G06T3/4053 ,  H04N5/23232 ,  H04N5/2628 ,  H04N5/272

摘要： An image processing apparatus and image processing method capable of providing a high-resolution image for a desired position by use of light field data are provided. The image processing apparatus may determine a position of a portion of light field data among light field data corresponding to a scene, according to a desired focusing position, generate a refocusing first image by use of the position determined portion of light field data, generate a high-resolution image having a predetermined setting ratio relative to the refocusing first image, determine a ratio for local synthesis between the high-resolution image and an enlarged image of the refocusing first image by use of a similarity with respect to the position determined portion of light field data, and generate a synthesized image by synthesizing the high-resolution image and the enlarged image of the refocusing first image according to the local synthesis ratio.

摘要翻译： 提供了能够通过使用光场数据为期望位置提供高分辨率图像的图像处理装置和图像处理方法。 图像处理装置可以根据期望的聚焦位置来确定与场景相对应的光场数据中的一部分光场数据的位置，通过使用光场数据的位置确定部分生成再聚焦第一图像，生成 相对于再聚焦第一图像具有预定设定比例的高分辨率图像，通过使用相对于位置确定部分的相似度来确定高分辨率图像和重新聚焦第一图像的放大图像之间的局部合成的比率 并且通过根据本地合成比合成高分辨率图像和再聚焦第一图像的放大图像来生成合成图像。

公开(公告)号：US08913194B2

公开(公告)日：2014-12-16

申请号：US11768412

申请日：2007-06-26

申请人： In-ji Kim ,  Hyun-wook Ok ,  Chang-Yeong Kim ,  Du-sik Park ,  Young-ran Han ,  Won-hee Choe

发明人： In-ji Kim ,  Hyun-wook Ok ,  Chang-Yeong Kim ,  Du-sik Park ,  Young-ran Han ,  Won-hee Choe

IPC分类号： H04N5/57 ,  H04N5/58 ,  H04N5/00 ,  G06T5/00

CPC分类号： G06T5/009 ,  G06T2207/10024 ,  G06T2207/20081

摘要： An image processing apparatus and method to reduce the deterioration of visibility of an image displayed on an image display device occurring under various lighting conditions when the brightness of ambient light is brighter than that of the image display device, and includes a sensor to sense the brightness of an external light, a unit to store a luminance-contrast model curve representing an optimal contrast value for a particular luminance for each brightness of the external light, a unit to determine a target luminance value according to the sensed brightness of the external light, to obtain a contrast value corresponding to the target luminance value with reference to the luminance-contrast model curve corresponding to the sensed brightness, and to adjust an input image to have the target luminance value and the obtained contrast value, and a unit to adjust the saturation of the adjusted input image according to the target luminance value and the obtained contrast value.

摘要翻译： 一种图像处理装置和方法，用于当环境光的亮度比图像显示装置的亮度更亮时，减少在各种照明条件下发生的图像显示装置上显示的图像的可见度的劣化，并且包括用于感测亮度的传感器 外部光的单位，用于存储表示对于外部光的每个亮度的特定亮度的最佳对比度值的亮度对比度模型曲线的单元，根据感测到的外部光的亮度来确定目标亮度值的单元， 参照对应于感测到的亮度的亮度对比度模型曲线来获得与目标亮度值对应的对比度值，并且调整输入图像以具有目标亮度值和获得的对比度值，以及调整单元 根据目标亮度值和所获得的对比度值调整的输入图像的饱和度。

公开(公告)号：US08768093B2

公开(公告)日：2014-07-01

申请号：US11898210

申请日：2007-09-10

申请人： Young-Jin Yoo ,  Won-Hee Choe ,  Seong-Deok Lee

发明人： Young-Jin Yoo ,  Won-Hee Choe ,  Seong-Deok Lee

IPC分类号： G06K9/40

CPC分类号： G06T5/002 ,  G06T2207/10024 ,  G06T2207/20008

摘要： The present invention relates to a method and apparatus for reducing noise. A method of reducing noise according to an aspect of the present invention includes calculating a noise level of a reference pixel forming an input image, determining a weighted value to be allocated to the reference pixel based on similarity of a reference window including the reference pixel with respect to at least one comparative window existing in a comparative region of the input image and having the same size as the reference window, and the calculated noise level of the reference pixel, and filtering the input image using the determined weighted value.

摘要翻译： 本发明涉及一种降低噪声的方法和装置。 根据本发明的一个方面的降低噪声的方法包括：计算形成输入图像的参考像素的噪声电平;基于包括参考像素的参考窗口的相似度确定要分配给参考像素的加权值， 相对于存在于输入图像的比较区域中并且具有与参考窗口相同尺寸的至少一个比较窗口以及所计算的参考像素的噪声水平，并且使用确定的加权值对输入图像进行滤波。

公开(公告)号：US08692918B2

公开(公告)日：2014-04-08

申请号：US12292691

申请日：2008-11-24

申请人： Hyun-chul Song ,  Sang-sik Park ,  Won-hee Choe ,  Jae-hyun Kwon

发明人： Hyun-chul Song ,  Sang-sik Park ,  Won-hee Choe ,  Jae-hyun Kwon

IPC分类号： H04N3/14 ,  H04N5/335

CPC分类号： H04N5/3559 ,  H04N5/3745

摘要： A CMOS image sensor is provided. The CMOS image sensor includes a photodiode receiving light and generating photocharges, a transfer transistor connected to the photodiode and transferring the photocharges, a floating diffusion accumulating the photocharges transferred from the transfer transistor, a reset transistor discharging the photocharges accumulated in the floating diffusion, and a merge gate transistor controlling capacitance of the floating diffusion. The CMOS image sensor may obtain a wide dynamic range signal without an increase in size of a pixel.

摘要翻译： 提供CMOS图像传感器。 CMOS图像传感器包括接收光并产生光电荷的光电二极管，连接到光电二极管并传送光电荷的转移晶体管，积聚从转移晶体管传送的光电荷的浮动扩散，放电浮动扩散中累积的光电荷的复位晶体管，以及 合并栅极晶体管，控制浮动扩散的电容。 CMOS图像传感器可以获得宽的动态范围信号而不增加像素的尺寸。

公开(公告)号：US08610738B2

公开(公告)日：2013-12-17

申请号：US12623386

申请日：2009-11-21

申请人： Won-hee Choe ,  Chang-yeong Kim ,  Seong-deok Lee ,  Jae-hyun Kwon

发明人： Won-hee Choe ,  Chang-yeong Kim ,  Seong-deok Lee ,  Jae-hyun Kwon

IPC分类号： G09G5/02

CPC分类号： H04N5/2351 ,  G06T5/009 ,  G06T2207/20104 ,  G06T2207/20208

摘要： An image processing apparatus and method for providing image information about an area of interest are provided. The apparatus and method may perform image processing, including setting at least one area of interest of an input image, analyzing a dynamic range (DR) of the at least one area of interest, and adaptively processing the DR based on a DR of a display device and the analyzed DR of the at least one area of interest, to form a processed image.

摘要翻译： 提供了一种用于提供关于感兴趣区域的图像信息的图像处理装置和方法。 所述装置和方法可以执行图像处理，包括设置输入图像的至少一个感兴趣区域，分析所述至少一个感兴趣区域的动态范围（DR），以及基于显示器的DR自适应地处理所述DR 设备和所述至少一个感兴趣区域的分析的DR，以形成经处理的图像。

公开(公告)号：US08537269B2

公开(公告)日：2013-09-17

申请号：US12222914

申请日：2008-08-19

申请人： Jae-hyun Kwon ,  Won-hee Choe ,  Seong-deok Lee ,  Hyun-chul Song ,  Kang-eui Lee

发明人： Jae-hyun Kwon ,  Won-hee Choe ,  Seong-deok Lee ,  Hyun-chul Song ,  Kang-eui Lee

IPC分类号： H04N5/235 ,  H04N5/335 ,  G03B3/00

CPC分类号： H04N5/2352 ,  H04N5/2351

摘要： A method, medium, and apparatus for setting an exposure time is provided. The apparatus includes a section setting module which sets one or more luminance sections based on a luminance distribution of an input image, an image division module which divides the input image into two or more regions, a region classification module which classifies the regions into the luminance sections, and an exposure-time setting module which sets an exposure time for each of the regions with reference to a target luminance value, the target luminance value being set based on the results of the classification performed by the region classification module.

公开(公告)号：US08515206B2

公开(公告)日：2013-08-20

申请号：US13351795

申请日：2012-01-17

申请人： Won-hee Choe ,  Seong-deok Lee

发明人： Won-hee Choe ,  Seong-deok Lee

IPC分类号： G06K9/00 ,  G06K9/32 ,  G06K9/36 ,  G03F3/08 ,  H04N9/74

CPC分类号： H04N5/235 ,  H04N5/23232 ,  H04N5/23248 ,  H04N5/23267 ,  H04N5/23277 ,  H04N5/2355

摘要： An apparatus and method to generate an image in which images having different exposure amounts are generated are provided. The apparatus and method synthesize the generated images and a high-sensitivity (or quality) image can be generated. The apparatus to generate an image includes an exposure adjustment unit to adjust an exposure amount, an image generation unit to generate a plurality of images of different exposure amounts and different resolutions, and an image synthesis unit to synthesize the plurality of generated images.

摘要翻译： 提供了一种生成其中产生具有不同曝光量的图像的图像的装置和方法。 该装置和方法合成生成的图像，并且可以生成高灵敏度（或质量）图像。 用于生成图像的装置包括调节曝光量的曝光调整单元，产生不同曝光量和不同分辨率的多个图像的图像生成单元，以及合成多个生成图像的图像合成单元。

公开(公告)号：US20130016905A1

公开(公告)日：2013-01-17

申请号：US13545337

申请日：2012-07-10

申请人： Byung-kwan PARK ,  Won-hee Choe ,  Seong-deok Lee

发明人： Byung-kwan PARK ,  Won-hee Choe ,  Seong-deok Lee

IPC分类号： G06K9/00

CPC分类号： H04N9/045 ,  H04N9/646

摘要： A method and apparatus for correcting color distortion are provided. The method includes detecting a color image of an object. The method further includes correcting color distortion of the detected color image to generate a corrected color image. The method further includes synthesizing color information of the corrected color image and detail information of the detected color image to generate a synthesized color image.

摘要翻译： 提供了一种用于校正颜色失真的方法和装置。 该方法包括检测对象的彩色图像。 该方法还包括校正检测到的彩色图像的颜色失真以产生校正的彩色图像。 该方法还包括合成经校正的彩色图像的颜色信息和检测到的彩色图像的细节信息以产生合成彩色图像。

公开(公告)号：US20120236169A1

公开(公告)日：2012-09-20

申请号：US13485357

申请日：2012-05-31

申请人： Hyun-Hwa Oh ,  Won-Hee Choe ,  Seong-Deok Lee ,  Hyun-Chul Song ,  Sung-Chan Park ,  Young-Jin Yoo ,  Jae-Hyun Kwon ,  Kang-Eui Lee

发明人： Hyun-Hwa Oh ,  Won-Hee Choe ,  Seong-Deok Lee ,  Hyun-Chul Song ,  Sung-Chan Park ,  Young-Jin Yoo ,  Jae-Hyun Kwon ,  Kang-Eui Lee

IPC分类号： G06K9/40 ,  H04N5/225

CPC分类号： H04N5/2353 ,  G06T5/50 ,  G06T2207/10144 ,  G06T2207/20016 ,  G06T2207/20208 ,  H04N5/2355 ,  H04N5/2625

摘要： Disclosed is an apparatus and method for obtaining a motion adaptive high dynamic range image, in which a motion degree of a first image and a second taken using different exposure times is calculated. The motion calculation intensity is adjusted based on the calculated motion degree. The motion compensation intensity involves a global motion compensation and/or a location motion compensation. Images subjected to compensation are synthesized and output, so that an image having high dynamic range is obtained.

摘要翻译： 公开了一种用于获得运动自适应高动态范围图像的装置和方法，其中计算第一图像的运动程度和使用不同曝光时间拍摄的第二图像的运动程度。 运动计算强度根据计算出的运动程度进行调整。 运动补偿强度涉及全局运动补偿和/或位置运动补偿。 进行补偿的图像被合成并输出，从而获得具有高动态范围的图像。

公开(公告)号：US20110317018A1

公开(公告)日：2011-12-29

申请号：US13067755

申请日：2011-06-23

申请人： Won-Hee Choe ,  Seong-Deok Lee ,  Young-Jin Yoo

发明人： Won-Hee Choe ,  Seong-Deok Lee ,  Young-Jin Yoo

IPC分类号： H04N5/33

CPC分类号： G02B5/201 ,  H01L27/14621 ,  H01L27/14645 ,  H01L27/14649 ,  H04N5/332

摘要： An image sensor capable of ensuring high sensitivity image and minimizing color distortion is provided. The image sensor includes a first filter unit, a second filter unit formed at a lower part of the first filter unit and a sensor unit formed at a lower part of the second filter unit. The first filter unit is configured to pass light corresponding to a visible light region, pass light corresponding to a first region of a longer wavelength than the light corresponding to the visible region and cut off light corresponding to a second region of a longer wavelength than the light corresponding to the first region. The second filter unit is configure to pass light having a predetermined wavelength in a wavelength range corresponding to the visible light region among the light passing through the first filter unit and pass light corresponding to the first region. The sensor unit is configured to detect the light passing through the second filter unit.

摘要翻译： 提供能够确保高灵敏度图像和最小化颜色失真的图像传感器。 图像传感器包括第一滤光器单元，形成在第一滤光单元的下部的第二滤光单元和形成在第二滤光单元下部的传感器单元。 第一滤光器单元被配置为通过对应于可见光区域的光，通过对应于比对应于可见光区域的光更长波长的第一区域的光，并且切断对应于比该可见光区域更长波长的第二区域的光 对应于第一区域的光。 第二滤光器单元被配置为在通过第一滤光器单元的光中通过在与可见光区域对应的波长范围中具有预定波长的光，并且通过对应于第一区域的光。 传感器单元被配置为检测通过第二过滤器单元的光。