公开(公告)号：US20080068475A1

公开(公告)日：2008-03-20

申请号：US11812951

申请日：2007-06-22

申请人： Won-Hee Choe ,  Chang-Yeong Kim ,  Seong-Deok Lee ,  Hyun-Chul Song

发明人： Won-Hee Choe ,  Chang-Yeong Kim ,  Seong-Deok Lee ,  Hyun-Chul Song

IPC分类号： H04N5/335

CPC分类号： G06T3/4015 ,  H01L27/14647 ,  H04N9/045 ,  H04N2209/045 ,  H04N2209/047

摘要： An image photographing apparatus, method and medium that can enhance color reproducibility and sensitivity. The image photographing apparatus includes a filter unit having a first filter region to pass at least one band of an incident light signal corresponding to a complementary color of a first color, and a second filter region to pass all bands of the incident light signal, wherein the first filter region and the second filter region are each formed in one of two adjacent pixels, and an image sensor unit to sense an image from the incident light signal that passes through the filter unit, the image sensor unit including a plurality of photoelectric conversion layers each having a different spectral sensitivity.

摘要翻译： 可以提高颜色再现性和灵敏度的图像拍摄装置，方法和介质。 图像摄影装置包括具有第一滤波器区域的滤波器单元，该第一滤波器区域通过与第一颜色的互补色相对应的入射光信号的至少一个波段和通过入射光信号的所有频带的第二滤波器区域，其中 第一滤波器区域和第二滤波器区域分别形成在两个相邻像素中的一个像素中，以及图像传感器单元，用于感测来自穿过滤色器单元的入射光信号的图像，所述图像传感器单元包括多个光电转换 层具有不同的光谱灵敏度。

公开(公告)号：US20080012968A1

公开(公告)日：2008-01-17

申请号：US11822157

申请日：2007-07-02

申请人： Jae-guyn Lim ,  Won-Hee Choe ,  Seong-deok Lee

发明人： Jae-guyn Lim ,  Won-Hee Choe ,  Seong-deok Lee

IPC分类号： H04N5/205

CPC分类号： G06T5/003 ,  G06T7/12 ,  G06T2207/20192

摘要： An apparatus and method for correcting an edge are provided. The apparatus includes a luminance corrector obtaining a corrected luminance value of a center pixel in a first window of a predetermined size, the first window located at the edge of the input image, by using weights assigned according to a luminance difference between the center pixel and each of a plurality of adjacent pixels in the first window or a predetermined difference of variance (DoV) value representing the degree of uniformity in the luminance between the center pixel and each of the plurality of adjacent pixels; and a chrominance corrector correcting a chrominance value of the edge using weights assigned according to a luminance difference between a center pixel and a plurality of adjacent pixels to the center pixel in a second window of a predetermined size based on the corrected luminance value.

摘要翻译： 提供了一种用于校正边缘的装置和方法。 该装置包括：亮度校正器，通过使用根据中心像素和第一窗口之间的亮度差分配的权重，获得预定大小的第一窗口中的中心像素的校正亮度值，位于输入图像的边缘的第一窗口 第一窗口中的多个相邻像素中的每一个或者表示中心像素和多个相邻像素中的每一个之间的亮度的均匀度的预定方差差（DoV）值; 以及色度校正器，其基于校正的亮度值，在根据预定大小的第二窗口中，根据中心像素与多个相邻像素之间的亮度差分配的权重来校正边缘的色度值。

公开(公告)号：US09201180B2

公开(公告)日：2015-12-01

申请号：US12973835

申请日：2010-12-20

申请人： Hyun-Chul Song ,  Won-Hee Choe ,  Seong-Deok Lee

发明人： Hyun-Chul Song ,  Won-Hee Choe ,  Seong-Deok Lee

IPC分类号： G02F1/1335 ,  G02B5/22 ,  G02B5/20 ,  H01L27/146

CPC分类号： G02B5/201 ,  G02F1/133514 ,  H01L27/14621

摘要： A color filter array and image obtaining apparatus are provided. The color filter array includes at least one unit cell having a predetermined array of pixels, and the predetermined array including the color pixels and transparent pixels. Each 2×2 array of pixels in the unit cell includes one transparent pixel and three color pixels and at least one transparent pixel is located in each row or in each column of the unit cell. The image obtaining apparatus generate an electrical image signal corresponding to sensed light that has passed through the color filter array.

摘要翻译： 提供一种滤色器阵列和图像获取装置。 滤色器阵列包括具有预定像素阵列的至少一个单位单元，并且包括彩色像素和透明像素的预定阵列。 单位单元中的每个2×2像素阵列包括一个透明像素和三个彩色像素，并且至少一个透明像素位于单位单元的每一行或每列中。 图像获取装置产生对应于已经通过滤色器阵列的感测光的电图像信号。

公开(公告)号：US08693770B2

公开(公告)日：2014-04-08

申请号：US13165419

申请日：2011-06-21

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

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

IPC分类号： G06K9/00

CPC分类号： G06T3/4053

摘要： Provided are an image processing apparatus and method for restoring a high resolution of an image based on acquired image data using color information. The image processing apparatus selects at least one pixel from among pixels corresponding to narrow-band color information of image data, and estimates wide-band color information of the selected pixel.

摘要翻译： 提供了一种用于使用颜色信息基于获取的图像数据恢复图像的高分辨率的图像处理装置和方法。 图像处理装置从对应于图像数据的窄带颜色信息的像素中选择至少一个像素，并且估计所选择的像素的宽带颜色信息。

公开(公告)号：US08508619B2

公开(公告)日：2013-08-13

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。

公开(公告)号：US08339489B2

公开(公告)日：2012-12-25

申请号：US11812951

申请日：2007-06-22

申请人： Won-Hee Choe ,  Chang-Yeong Kim ,  Seong-Deok Lee ,  Hyun-Chul Song

发明人： Won-Hee Choe ,  Chang-Yeong Kim ,  Seong-Deok Lee ,  Hyun-Chul Song

IPC分类号： H04N5/335

CPC分类号： G06T3/4015 ,  H01L27/14647 ,  H04N9/045 ,  H04N2209/045 ,  H04N2209/047

摘要： An image photographing apparatus, method and medium that can enhance color reproducibility and sensitivity. The image photographing apparatus includes a filter unit having a first filter region to pass at least one band of an incident light signal corresponding to a complementary color of a first color, and a second filter region to pass all bands of the incident light signal, wherein the first filter region and the second filter region are each formed in one of two adjacent pixels, and an image sensor unit to sense an image from the incident light signal that passes through the filter unit, the image sensor unit including a plurality of photoelectric conversion layers each having a different spectral sensitivity.

摘要翻译： 可以提高颜色再现性和灵敏度的图像拍摄装置，方法和介质。 图像摄影装置包括具有第一滤波器区域的滤波器单元，该第一滤波器区域通过与第一颜色的互补色相对应的入射光信号的至少一个波段和通过入射光信号的所有频带的第二滤波器区域，其中 第一滤波器区域和第二滤波器区域分别形成在两个相邻像素中的一个像素中，以及图像传感器单元，用于感测来自穿过滤色器单元的入射光信号的图像，所述图像传感器单元包括多个光电转换 层具有不同的光谱灵敏度。

公开(公告)号：US20120200731A1

公开(公告)日：2012-08-09

申请号：US13167818

申请日：2011-06-24

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

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

IPC分类号： H04N9/73

CPC分类号： H04N5/243 ,  H04N9/045

摘要： A color restoration apparatus is provided. The color restoration apparatus including a color correction gain generator configured to compensate for a first broad-band pixel value of a first image, which is acquired from a single-exposure environment, based on a saturation gain for compensating for a difference between a time of the saturation of a broad-band pixel value and a time of the saturation of a narrow-band pixel value, and to calculate a color correction gain based on a first narrow-band pixel value of the first image and the compensated first broad-band pixel value, and a color corrector configured to compensate for a second broad-band pixel value of a second image, which is acquired from a dual-exposure environment, based on a color gain difference compensation value for compensating for a difference between color gains applied to the second image, and to calculate a restored narrow-band pixel value based on the second narrow-band pixel value, the compensated second broad-band pixel value, and the color correction gain.

摘要翻译： 提供了一种颜色恢复装置。 颜色恢复装置包括颜色校正增益发生器，被配置为基于饱和度增益来补偿从单个曝光环境获取的第一图像的第一宽带像素值，以补偿时间 宽带像素值的饱和度和窄带像素值的饱和时间，并且基于第一图像的第一窄带像素值和补偿的第一宽带来计算颜色校正增益 像素值，以及颜色校正器，被配置为基于用于补偿所施加的色彩增益之间的差异的颜色增益差补偿值来补偿从双曝光环境获取的第二图像的第二宽带像素值 并且基于第二窄带像素值，补偿的第二宽带像素值和颜色校正ga计算恢复的窄带像素值 在。

公开(公告)号：US20090073306A1

公开(公告)日：2009-03-19

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

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.

摘要翻译： 提供了一种设置曝光时间的方法，介质和装置。 该装置包括基于输入图像的亮度分布设置一个或多个亮度部分的区段设置模块，将输入图像分割成两个或更多个区域的图像分割模块，将区域分类为亮度的区域分类模块 以及曝光时间设定模块，其针对目标亮度值设定每个区域的曝光时间，根据区域分类模块执行的分类结果设定目标亮度值。

公开(公告)号：US20080181523A1

公开(公告)日：2008-07-31

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：US09435922B2

公开(公告)日：2016-09-06

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： G02B5/20 ,  H01L27/14 ,  H04N5/33 ,  H01L27/146

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单元的光。