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1. 发明授权

US09014503B2 Noise-reduction method and apparatus 有权
公开(公告)号：US09014503B2
公开(公告)日：2015-04-21
申请号：US12000013
申请日：2007-12-06
申请人： Young-jin Yoo , Ho-cheon Wey , Seong-deok Lee
发明人： Young-jin Yoo , Ho-cheon Wey , Seong-deok Lee
IPC分类号： G06K9/40 , G06T5/00
CPC分类号： G06K9/40 , G06T5/002 , G06T2207/20012 , G06T2207/20192
摘要： A noise-reduction method and apparatus are provided. The noise-reduction method includes estimating activity levels of regions in an input image; and applying different weights to a large noise filter kernel and a small noise filter kernel according to the estimated activity levels, wherein the estimating includes calculating a noise level of the input image, generating a binary image by calculating signal-to-noise ratios (SNRs) of pixels of the input image and by comparing the SNRs of the pixels of the input image with a predefined threshold, and reducing binary data boundaries in the binary image.

2. 发明授权

US08693770B2 Apparatus and method for processing images 有权
标题翻译：用于处理图像的装置和方法
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。

3. 发明授权

US08614746B2 Image processing apparatus and method of noise reduction 有权
标题翻译：降噪图像处理装置及方法
公开(公告)号：US08614746B2
公开(公告)日：2013-12-24
申请号：US12563904
申请日：2009-09-21
申请人： Won-hee Choe , Young-jin Yoo , Seong-deok Lee
发明人： Won-hee Choe , Young-jin Yoo , Seong-deok Lee
IPC分类号： H04N5/33
CPC分类号： H04N5/357 , H04N5/33 , H04N5/332 , H04N9/045
摘要： An image processing apparatus including an image acquiring unit to acquire a first image including color information and a second image having a spectral band wider than that of the first image and a noise reduction unit to extract edge information from the second image and to reduce noise of the first image based on the extracted edge information.
摘要翻译：一种图像处理装置，包括：图像获取单元，用于获取包括颜色信息的第一图像和具有比第一图像的频谱宽度更宽的频谱带的第二图像;以及噪声降低单元，用于从第二图像提取边缘信息，并且降低噪声基于所提取的边缘信息的第一图像。

4. 发明授权

US07734060B2 Method and apparatus for estimating noise determination criteria in an image sensor 有权
标题翻译：用于估计图像传感器中的噪声确定标准的方法和装置
公开(公告)号：US07734060B2
公开(公告)日：2010-06-08
申请号：US11641865
申请日：2006-12-20
申请人： Young-jin Yoo , Seong-deok Lee
发明人： Young-jin Yoo , Seong-deok Lee
IPC分类号： G06K9/00 , H04N5/228
CPC分类号： G06K9/40 , G06K9/4642 , H04N5/357
摘要： A method and an apparatus are provided for estimating noise determination criteria in an image sensor. The method includes calculating a color characteristic value for each of a plurality blocks constituting an input image, comparing the color characteristic value of a first block among the blocks with a initial noise criterion, sorting the color characteristic value of the first block as a first group of a color characteristic class and accumulating a result of the comparing into the first group, and modifying the initial noise criterion using a result of the accumulating and calculating a first group noise criterion to be applied to corresponding blocks belonging to the sorted first group of the color characteristic class.
摘要翻译：提供了一种用于估计图像传感器中的噪声确定标准的方法和装置。该方法包括：计算构成输入图像的多个块中的每一个的颜色特征值，将块中的第一块的颜色特征值与初始噪声标准进行比较，将第一块的颜色特征值分类为第一组并且将所述比较结果累积到所述第一组中，并且使用累积和计算要应用于属于所述第一组排序的第一组的对应块的第一组噪声标准的结果来修改所述初始噪声准则颜色特征类。

5. 发明申请

US20080181523A1 Method and apparatus for reducing noise 有权
标题翻译：减少噪音的方法和装置
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。

6. 发明申请

US20070296871A1 Noise reduction method, medium, and system 有权
标题翻译：降噪方法，中等和系统
公开(公告)号：US20070296871A1
公开(公告)日：2007-12-27
申请号：US11806838
申请日：2007-06-04
申请人： Young-jin Yoo , Seong-deok Lee
发明人： Young-jin Yoo , Seong-deok Lee
IPC分类号： H04N5/14
CPC分类号： G06T5/002 , G06T5/20 , G06T2207/10024 , G06T2207/20012 , H04N5/217
摘要： A noise reduction method, medium, and system. The noise reduction method includes calculating a noise level of an input image and removing noise from a central pixel within a window of a predetermined size in the input image using a weight determined based on a difference between signal intensities of the central pixel and a plurality of adjacent pixels within the window and the calculated noise level.
摘要翻译：降噪方法，介质和系统。噪声降低方法包括：使用基于中心像素的信号强度和多个信号强度之间的差异确定的权重来计算输入图像的噪声电平并从输入图像中的预定大小的窗口内的中心像素去除噪声窗口内的相邻像素和计算出的噪声水平。

7. 发明授权

US08581877B2 Mobile terminal and operation control method thereof 有权
标题翻译：移动终端及其操作控制方法
公开(公告)号：US08581877B2
公开(公告)日：2013-11-12
申请号：US12493822
申请日：2009-06-29
申请人： Young Jin Yoo
发明人： Young Jin Yoo
IPC分类号： G06F3/045
CPC分类号： G06F3/04842 , G06F1/1626 , G06F1/1671 , G06F3/04817 , G06F3/0482 , G06F3/0488 , G06F3/04883 , G06F3/04886 , H04M1/0266 , H04M1/236 , H04M1/67 , H04M1/72519 , H04M1/72522 , H04M1/7258 , H04M2250/22
摘要： A method of controlling a mobile terminal, and which includes entering into a touch-lock mode to lock an entire display area on a touch screen, receiving an unlock signal corresponding to a selection of a touch-lock release button on the terminal, and unlocking an area of the touch screen that includes at least one displayed icon when the unlock signal is received such that a touching of the at least one icon displayed on the touch screen executes a corresponding function of the icon, and maintaining other areas of the touch screen in the touch-lock mode.
摘要翻译：一种控制移动终端的方法，包括进入触摸锁定模式以锁定触摸屏上的整个显示区域，接收与终端上的触摸锁释放按钮的选择相对应的解锁信号，以及解锁触摸屏的区域，当接收到解锁信号时，包括至少一个显示的图标，使得触摸屏上显示的至少一个图标的触摸执行图标的相应功能，并且保持触摸屏的其他区域在触摸锁模式下。

8. 发明授权

US08295629B2 Method and system for processing low-illuminance image 有权
标题翻译：低照度图像处理方法及系统
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。

9. 发明申请

US20110176729A1 APPARATUS AND METHOD FOR GENERATING HIGH SENSITIVITY IMAGES IN DARK ENVIRONMENT 有权
标题翻译：用于在深层环境中产生高灵敏度图像的装置和方法
公开(公告)号：US20110176729A1
公开(公告)日：2011-07-21
申请号：US13006482
申请日：2011-01-14
申请人： Kang-Eui LEE , Sung-Su Kim , Seong-Deok Lee , Won-Hee Choe , Young-Jin Yoo
发明人： Kang-Eui LEE , Sung-Su Kim , Seong-Deok Lee , Won-Hee Choe , Young-Jin Yoo
IPC分类号： G06K9/40 , G06K9/00
CPC分类号： H04N5/2355 , G06T5/009
摘要： There is provided a method of and an apparatus for generating high sensitivity images in a low light level environment, the method including correcting an image acquired through short-time exposure in a low light level environment to an image corresponding to a reference exposure time defined for the low light level environment, the corrected image including a plurality of channels, detecting respective black levels for each of the channels, the detecting of the respective black levels being based on a black level intensity for the reference exposure time, adjusting the respective black levels for each of the channels of the corrected image to respective target black levels for each of the channels, and aligning a value of each of the channels using the respective target black levels.
摘要翻译：提供了一种用于在低光级环境中生成高灵敏度图像的方法和装置，该方法包括将在低光级环境中通过短时间曝光获取的图像校正为对应于为低光级环境，校正图像包括多个通道，检测每个通道的各个黑色电平，基于用于参考曝光时间的黑色电平强度检测各个黑色电平，调整相应的黑色电平对于每个通道的校正图像的每个通道的各个目标黑色电平，并且使用各个目标黑电平对准每个通道的值。

10. 发明申请

US20110019014A1 APPARATUS AND METHOD FOR OBTAINING MOTION ADAPTIVE HIGH DYNAMIC RANGE IMAGE 有权
标题翻译：用于获取运动自适应高动态范围图像的装置和方法
公开(公告)号：US20110019014A1
公开(公告)日：2011-01-27
申请号：US12842109
申请日：2010-07-23
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： H04N5/228
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。

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