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公开(公告)号：US08520094B2
公开(公告)日：2013-08-27
申请号：US13159505
申请日：2011-06-14
Applicant: Pyeong-Woo Lee , Chae-Sung Kim , Jeong-Guk Lee
Inventor： Pyeong-Woo Lee , Chae-Sung Kim , Jeong-Guk Lee
IPC: H04N9/73
CPC classification number: H04N5/235 , H04N5/2357
Abstract: A circuit includes a luminance average value output unit for extracting luminance values from pixel data of the first and the second frames to generate first luminance average values for pixel lines of the first frame and second luminance average values for pixel lines of the second frame, a flicker curve generating unit for subtracting the second luminance average values from the first luminance average values, thereby generating a flicker curve, and a flicker detecting unit for extracting a plurality of local minimum points from the flicker curve, calculating a distance between each two neighboring local minimum points of the extracted local minimum points, and determining whether the flicker is present based on the distances and the frequency numbers of the distances.
Abstract translation: 一种电路包括：亮度平均值输出单元，用于从第一和第二帧的像素数据中提取亮度值，以生成第一帧的像素线的第一亮度平均值和第二帧的像素线的第二亮度平均值; 闪烁曲线生成单元，用于从第一亮度平均值中减去第二亮度平均值，从而产生闪烁曲线;以及闪烁检测单元，用于从闪烁曲线中提取多个局部最小点，计算每个两个相邻局部 提取的局部最小点的最小点，并且基于距离和距离的频率数确定闪烁是否存在。
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公开(公告)号：US20120081571A1
公开(公告)日：2012-04-05
申请号：US13302033
申请日：2011-11-22
Applicant: Sung-Kyu Jang , Pyeong-Woo Lee
Inventor： Sung-Kyu Jang , Pyeong-Woo Lee
IPC: H04N9/73
CPC classification number: H04N5/145 , H04N5/23248 , H04N5/23254 , H04N5/23258 , H04N5/2357
Abstract: The present invention provides an effective flicker detection method performing a motion compensation. The present invention includes the steps of: calculating a luminance difference between neighboring pixels; summing up the luminance difference in a specific direction if the difference is greater than a threshold value; performing a motion estimation by using a sum calculated through step (b) to thereby calculate a motion displacement; performing a motion compensation to a current frame data by using the motion displacement; calculating a difference between a previous frame data and the compensated current frame data; and detecting the flicker by using the difference calculated in step (e).
Abstract translation: 本发明提供一种执行运动补偿的有效闪烁检测方法。 本发明包括以下步骤：计算相邻像素之间的亮度差; 如果差值大于阈值，则将特定方向的亮度差累积; 通过使用通过步骤（b）计算出的和执行运动估计，从而计算运动位移; 通过使用运动位移对当前帧数据执行运动补偿; 计算前一帧数据和经补偿的当前帧数据之间的差; 以及通过使用步骤（e）中计算的差来检测闪烁。
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公开(公告)号：US20110273580A1
公开(公告)日：2011-11-10
申请号：US13103253
申请日：2011-05-09
Applicant: Pyeong-Woo LEE , Dong-Jae LEE , Byung-Joon BAEK , Tae-Chan KIM
Inventor： Pyeong-Woo LEE , Dong-Jae LEE , Byung-Joon BAEK , Tae-Chan KIM
IPC: H04N5/228
Abstract: A method of processing image signals comprises determining whether each of multiple units of input pixel data received from an image sensor is bad pixel data generated by a bad pixel of the image sensor or normal pixel data generated by a normal pixel of the image sensor, and performing interpolation to generate image data corresponding to the bad pixel using only normal pixel data and omitting bad pixel data.
Abstract translation: 处理图像信号的方法包括确定从图像传感器接收的输入像素数据的多个单位中的每一个是由图像传感器的不良像素生成的不良像素数据还是由图像传感器的法线像素生成的正常像素数据，以及 执行内插以仅使用普通像素数据生成与坏像素相对应的图像数据，并省略不良像素数据。
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公开(公告)号：US20080204583A1
公开(公告)日：2008-08-28
申请号：US12071692
申请日：2008-02-25
Applicant: Pyeong-Woo Lee
Inventor： Pyeong-Woo Lee
IPC: H04N5/335
Abstract: A piecewise linear processing device applies different amplification rates according to a general environment and a low luminance environment where much noise exists. The piecewise linear processing device includes a knee point storing unit configured to store a user's default setting value and low luminance setting value; a luminance detecting unit configured to detect a noisy environment to output a current luminance information signal and a maximum luminance information signal; an adaptive knee point supply unit configured to receive the default setting value, the low luminance setting value, the current luminance information signal, and the maximum luminance information signal to supply a adjusted adaptive knee point according to a degree of noise; and a piecewise linear processing unit configured to apply a section amplification rate to an input data on the basis of a region corresponding to the adaptive knee point.
Abstract translation: 分段线性处理装置根据一般环境和存在大量噪声的低亮度环境应用不同的放大率。 分段线性处理装置包括：膝点存储单元，被配置为存储用户的默认设定值和低亮度设定值; 亮度检测单元，被配置为检测噪声环境以输出当前亮度信息信号和最大亮度信息信号; 自适应拐点供给单元，被配置为接收默认设置值，低亮度设置值，当前亮度信息信号和最大亮度信息信号，以根据噪声程度提供经调整的自适应拐点; 以及分段线性处理单元，被配置为基于与自适应拐点相对应的区域向输入数据应用区段放大率。
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公开(公告)号：US20110311146A1
公开(公告)日：2011-12-22
申请号：US13222352
申请日：2011-08-31
Applicant: Pyeong-Woo LEE
Inventor： Pyeong-Woo LEE
IPC: G06K9/46
Abstract: A piecewise linear processing device applies different amplification rates according to a general environment and a low luminance environment where much noise exists. The piecewise linear processing device includes a knee point storing unit configured to store a user's default setting value and low luminance setting value; a luminance detecting unit configured to detect a noisy environment to output a current luminance information signal and a maximum luminance information signal; an adaptive knee point supply unit configured to receive the default setting value, the low luminance setting value, the current luminance information signal, and the maximum luminance information signal to supply a adjusted adaptive knee point according to a degree of noise; and a piecewise linear processing unit configured to apply a section amplification rate to an input data on the basis of a region corresponding to the adaptive knee point.
Abstract translation: 分段线性处理装置根据一般环境和存在大量噪声的低亮度环境应用不同的放大率。 分段线性处理装置包括：膝点存储单元，被配置为存储用户的默认设定值和低亮度设定值; 亮度检测单元，被配置为检测噪声环境以输出当前亮度信息信号和最大亮度信息信号; 自适应拐点供给单元，被配置为接收默认设置值，低亮度设置值，当前亮度信息信号和最大亮度信息信号，以根据噪声程度提供经调整的自适应拐点; 以及分段线性处理单元，被配置为基于与自适应拐点相对应的区域向输入数据应用区段放大率。
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Patent Agency Ranking
公开(公告)号：US08072506B2
公开(公告)日：2011-12-06
申请号：US11193673
申请日：2005-07-28
Applicant: Sung-Kyu Jang , Pyeong-Woo Lee
Inventor： Sung-Kyu Jang , Pyeong-Woo Lee
CPC classification number: H04N5/145 , H04N5/23248 , H04N5/23254 , H04N5/23258 , H04N5/2357
Abstract: The present invention provides an effective flicker detection method performing a motion compensation. The present invention includes the steps of: calculating a luminance difference between neighboring pixels; summing up the luminance difference in a specific direction if the difference is greater than a threshold value; performing a motion estimation by using a sum calculated through step (b) to thereby calculate a motion displacement; performing a motion compensation to a current frame data by using the motion displacement; calculating a difference between a previous frame data and the compensated current frame data; and detecting the flicker by using the difference calculated in step (e).
Abstract translation: 本发明提供一种执行运动补偿的有效闪烁检测方法。 本发明包括以下步骤：计算相邻像素之间的亮度差; 如果差值大于阈值，则将特定方向的亮度差累积; 通过使用通过步骤（b）计算出的和执行运动估计，从而计算运动位移; 通过使用运动位移对当前帧数据执行运动补偿; 计算前一帧数据和经补偿的当前帧数据之间的差; 以及通过使用步骤（e）中计算的差来检测闪烁。
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公开(公告)号：US09137424B2
公开(公告)日：2015-09-15
申请号：US13302033
申请日：2011-11-22
Applicant: Sung-Kyu Jang , Pyeong-Woo Lee
Inventor： Sung-Kyu Jang , Pyeong-Woo Lee
CPC classification number: H04N5/145 , H04N5/23248 , H04N5/23254 , H04N5/23258 , H04N5/2357
Abstract: The present invention provides an effective flicker detection method performing a motion compensation. The present invention includes the steps of: calculating a luminance difference between neighboring pixels; summing up the luminance difference in a specific direction if the difference is greater than a threshold value; performing a motion estimation by using a sum calculated through step (b) to thereby calculate a motion displacement; performing a motion compensation to a current frame data by using the motion displacement; calculating a difference between a previous frame data and the compensated current frame data; and detecting the flicker by using the difference calculated in step (e).
Abstract translation: 本发明提供一种执行运动补偿的有效闪烁检测方法。 本发明包括以下步骤：计算相邻像素之间的亮度差; 如果差值大于阈值，则将特定方向的亮度差累积; 通过使用通过步骤（b）计算出的和执行运动估计，从而计算运动位移; 通过使用运动位移对当前帧数据执行运动补偿; 计算前一帧数据和经补偿的当前帧数据之间的差; 以及通过使用步骤（e）中计算的差来检测闪烁。
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公开(公告)号：US20070146500A1
公开(公告)日：2007-06-28
申请号：US11642597
申请日：2006-12-21
Applicant: Pyeong-Woo Lee , Chae-Sung Kim , Jeong-Guk Lee
Inventor： Pyeong-Woo Lee , Chae-Sung Kim , Jeong-Guk Lee
IPC: H04N9/73
CPC classification number: H04N5/235 , H04N5/2357
Abstract: A circuit includes a luminance average value output unit for extracting luminance values from pixel data of the first and the second frames to generate first luminance average values for pixel lines of the first frame and second luminance average values for pixel lines of the second frame, a flicker curve generating unit for subtracting the second luminance average values from the first luminance average values, thereby generating a flicker curve, and a flicker detecting unit for extracting a plurality of local minimum points from the flicker curve, calculating a distance between each two neighboring local minimum points of the extracted local minimum points, and determining whether the flicker is present based on the distances and the frequency numbers of the distances.
Abstract translation: 一种电路包括：亮度平均值输出单元，用于从第一和第二帧的像素数据中提取亮度值，以生成第一帧的像素线的第一亮度平均值和第二帧的像素线的第二亮度平均值; 闪烁曲线生成单元，用于从第一亮度平均值中减去第二亮度平均值，从而产生闪烁曲线;以及闪烁检测单元，用于从闪烁曲线中提取多个局部最小点，计算每个两个相邻局部 提取的局部最小点的最小点，并且基于距离和距离的频率数确定闪烁是否存在。
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公开(公告)号：US20060061669A1
公开(公告)日：2006-03-23
申请号：US11193673
申请日：2005-07-28
Applicant: Sung-Kyu Jang , Pyeong-Woo Lee
Inventor： Sung-Kyu Jang , Pyeong-Woo Lee
CPC classification number: H04N5/145 , H04N5/23248 , H04N5/23254 , H04N5/23258 , H04N5/2357
Abstract: The present invention provides an effective flicker detection method performing a motion compensation. The present invention includes the steps of: calculating a luminance difference between neighboring pixels; summing up the luminance difference in a specific direction if the difference is greater than a threshold value; performing a motion estimation by using a sum calculated through step (b) to thereby calculate a motion displacement; performing a motion compensation to a current frame data by using the motion displacement; calculating a difference between a previous frame data and the compensated current frame data; and detecting the flicker by using the difference calculated in step (e).
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公开(公告)号：US08687096B2
公开(公告)日：2014-04-01
申请号：US13222352
申请日：2011-08-31
Applicant: Pyeong-Woo Lee
Inventor： Pyeong-Woo Lee
IPC: H04N5/202
Abstract: A piecewise linear processing device applies different amplification rates according to a general environment and a low luminance environment where much noise exists. The piecewise linear processing device includes a knee point storing unit configured to store a user's default setting value and low luminance setting value; a luminance detecting unit configured to detect a noisy environment to output a current luminance information signal and a maximum luminance information signal; an adaptive knee point supply unit configured to receive the default setting value, the low luminance setting value, the current luminance information signal, and the maximum luminance information signal to supply a adjusted adaptive knee point according to a degree of noise; and a piecewise linear processing unit configured to apply a section amplification rate to an input data on the basis of a region corresponding to the adaptive knee point.
Abstract translation: 分段线性处理装置根据一般环境和存在大量噪声的低亮度环境应用不同的放大率。 分段线性处理装置包括：膝点存储单元，被配置为存储用户的默认设定值和低亮度设定值; 亮度检测单元，被配置为检测噪声环境以输出当前亮度信息信号和最大亮度信息信号; 自适应拐点供给单元，被配置为接收默认设置值，低亮度设置值，当前亮度信息信号和最大亮度信息信号，以根据噪声程度提供经调整的自适应拐点; 以及分段线性处理单元，被配置为基于与自适应拐点相对应的区域向输入数据应用区段放大率。
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