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1. 发明授权

US08111935B2 Image processing methods and image processing apparatus utilizing the same 有权
标题翻译：图像处理方法及利用其的图像处理装置
公开(公告)号：US08111935B2
公开(公告)日：2012-02-07
申请号：US11866422
申请日：2007-10-03
申请人： Shing-Chia Chen , Ling-Hsiu Huang
发明人： Shing-Chia Chen , Ling-Hsiu Huang
IPC分类号： G06K9/40
CPC分类号： G06T5/008 , G06T5/20 , G06T2207/20012
摘要： An image processing method applied in an image processor for processing an image including first pixels each having a pixel value, a first reference pixel value representing a mean value of the pixel values of the first pixels, the pixel values of the first pixels being distributed within a first distribution range bounded between a second reference pixel value and a third reference pixel value. Second pixels are selected from the first pixels. The pixel values of the second pixels are distributed within a second distribution range. The second distribution range of the second pixels is smaller than the first distribution range of the first pixels. A local characteristic of the image is obtained according to the second pixels. A parameter of the image is adjusted according to the local characteristic.
摘要翻译：一种应用于图像处理器中的图像处理方法，用于处理包括每个具有像素值的第一像素的图像，表示第一像素的像素值的平均值的第一参考像素值，第一像素的像素值分布在在第二参考像素值和第三参考像素值之间限定的第一分布范围。从第一像素中选择第二像素。第二像素的像素值分布在第二分布范围内。第二像素的第二分布范围小于第一像素的第一分布范围。根据第二像素获得图像的局部特征。根据本地特性调整图像的参数。

2. 发明申请

US20090123068A1 METHOD FOR ADAPTIVELY ADJUSTING IMAGE AND IMAGE PROCESSING APPARATUS USING THE SAME 审中-公开
标题翻译：用于适应性调整图像和图像处理装置的方法
公开(公告)号：US20090123068A1
公开(公告)日：2009-05-14
申请号：US11939268
申请日：2007-11-13
申请人： Ling-Hsiu Huang , Shing-Chia Chen
发明人： Ling-Hsiu Huang , Shing-Chia Chen
IPC分类号： G06K9/00 , G06K9/40
CPC分类号： G06T5/40 , G06T5/009
摘要： A method for adaptively adjusting image and an image processing apparatus using the same are provided. The apparatus includes a statistics apparatus and an image adjustment apparatus. The statistics apparatus receives a plurality of pixels in an image to generate a gray-level distribution of the pixels and searches a specific gray-level according to the gray-level distribution, in which a specific percentage of pixels have gray-levels smaller than the specific gray-level. The image adjustment apparatus adjusts the image according to the specific gray-level.
摘要翻译：提供了一种自适应调整图像的方法和使用其的图像处理装置。该装置包括统计装置和图像调整装置。统计装置接收图像中的多个像素以产生像素的灰度分布，并根据灰度分布搜索特定灰度级，其中特定百分比的像素的灰度级小于具体的灰度级。图像调整装置根据特定的灰度级调整图像。

3. 发明申请

US20090097777A1 DIGITAL IMAGE TONE REMAPPING METHOD AND APPARATUS 有权
标题翻译：数字图像音调重新绘制方法和装置
公开(公告)号：US20090097777A1
公开(公告)日：2009-04-16
申请号：US11871069
申请日：2007-10-11
申请人： Shing-Chia Chen , Ling-Hsiu Huang
发明人： Shing-Chia Chen , Ling-Hsiu Huang
IPC分类号： G06K9/38
CPC分类号： H04N1/4074
摘要： A digital image tone remapping method is disclosed. The method includes computing an average luminance value of a digital image; generating a preliminary tone mapping function according to the average luminance value; generating a luminance statistic of the digital image; determining new remapped values for a plurality of skeleton luminance values according to the preliminary tone mapping function and the luminance statistic; generating a final tone mapping function according to the new remapped values and the plurality of skeleton luminance values; and remapping the digital image through the final tone mapping function. The present invention also discloses an apparatus performing the method.
摘要翻译：公开了一种数字图像色调重映射方法。该方法包括计算数字图像的平均亮度值; 根据平均亮度值生成初步色调映射函数; 产生数字图像的亮度统计; 根据初步色调映射函数和亮度统计量确定多个骨架亮度值的新重映射值; 根据新的重映射值和多个骨架亮度值生成最终色调映射函数; 并通过最终色调映射功能重新映射数字图像。本发明还公开了一种执行该方法的装置。

4. 发明申请

US20090097747A1 METHOD OF IMAGE PROCESSING AND DEVICE THEREOF 有权
标题翻译：图像处理方法及其设备
公开(公告)号：US20090097747A1
公开(公告)日：2009-04-16
申请号：US11870232
申请日：2007-10-10
申请人： Shing-Chia Chen , Ling-Hsiu Huang
发明人： Shing-Chia Chen , Ling-Hsiu Huang
IPC分类号： G06K9/00
CPC分类号： G06T5/008 , G06T5/40 , G06T2207/20021
摘要： A method of image processing and a device thereof are provided in the present invention. First, an image having a plurality of regions is received, wherein each region comprises a plurality of pixels. A contrast process is performed on each region and a respective local curve of each region is analyzed, wherein the local curve is a corresponding relation between the gray-level values of the pixels in each region before and after the contrast process. Next, the gray-level value of one of the pixels in a boundary between one of the regions and the neighboring region is adjusted according to the respective local curves of the one of the regions and the neighboring region. The local contrast process towards to each region is performed for enhancing the image. Therefore, not only can the features be obvious, but the non-uniform area in the boundary between the regions also can be smoothed.
摘要翻译：本发明提供一种图像处理方法及其装置。首先，接收具有多个区域的图像，其中每个区域包括多个像素。对每个区域进行对比度处理，并且分析每个区域的相应局部曲线，其中局部曲线是在对比过程之前和之后的每个区域中的像素的灰度值之间的对应关系。接下来，根据区域和相邻区域之一的各自的局部曲线来调整区域之一和相邻区域之间的边界中的像素之一的灰度值。执行朝向每个区域的局部对比过程以增强图像。因此，不仅功能明显，而且区域之间的边界上的不均匀区域也可以平滑化。

5. 发明申请

US20090079754A1 DISPLAY PARAMETER ADJUSTING METHOD AND APPARATUS FOR SCENE CHANGE COMPENSATION 有权
标题翻译：显示参数调整方法和场景变化补偿装置
公开(公告)号：US20090079754A1
公开(公告)日：2009-03-26
申请号：US11860782
申请日：2007-09-25
申请人： Shing-Chia Chen , Ling-Hsiu Huang
发明人： Shing-Chia Chen , Ling-Hsiu Huang
IPC分类号： G09G5/02
CPC分类号： G09G3/20 , G09G2310/04 , G09G2320/0261 , G09G2340/16 , G09G2360/16
摘要： A method and an apparatus for adjusting a display parameter are provided. The method includes the steps of: (a) calculating a scene change value between a current frame and a previous frame; (b) setting a first weight according to the scene change value; (c) calculating an original parameter of the current frame; (d) providing a display parameter of the previous frame; (e) calculating a display parameter of the current frame according to the first weight, the original parameter, and the display parameter of the previous frame.
摘要翻译：提供了一种用于调整显示参数的方法和装置。该方法包括以下步骤：（a）计算当前帧与先前帧之间的场景变化值; （b）根据场景变化值设定第一重量; （c）计算当前帧的原始参数; （d）提供前一帧的显示参数; （e）根据前一帧的第一权重，原始参数和显示参数来计算当前帧的显示参数。

6. 发明申请

US20090070606A1 Apparatus and method for dynamic backlight-control 有权
标题翻译：动态背光控制的装置和方法
公开(公告)号：US20090070606A1
公开(公告)日：2009-03-12
申请号：US11898327
申请日：2007-09-11
申请人： Shing-Chia Chen , Ling-Hsiu Huang , Lin-Kai Bu
发明人： Shing-Chia Chen , Ling-Hsiu Huang , Lin-Kai Bu
IPC分类号： G06F1/32
CPC分类号： G06F1/3203 , G06F1/3265 , G09G3/20 , G09G2320/064 , G09G2330/021 , G09G2360/16 , Y02D10/153
摘要： An apparatus and a method for dynamic backlight-control in an electronic device are provided. The apparatus includes a battery power-level detection unit and a controlling unit. The battery power-level detection unit is used for detecting the power level of a battery in the electronic device. The controlling unit is coupled to a backlight unit of a display device in the electronic device and the battery power-level detection unit for adjusting the illumination of the backlight unit according to the power level of the battery and an image-content lightness of an image inputted into the display device.
摘要翻译：提供了一种用于电子设备中的动态背光控制的装置和方法。该装置包括电池功率电平检测单元和控制单元。电池功率电平检测单元用于检测电子设备中的电池的功率水平。控制单元耦合到电子设备中的显示装置的背光单元和电池功率电平检测单元，用于根据电池的功率电平调整背光单元的照明，并且图像的图像内容亮度输入到显示装置。

7. 发明授权

US08107756B2 Digital image tone remapping method and apparatus 有权
标题翻译：数字图像色调重新映射方法和装置
公开(公告)号：US08107756B2
公开(公告)日：2012-01-31
申请号：US11871069
申请日：2007-10-11
申请人： Shing-Chia Chen , Ling-Hsiu Huang
发明人： Shing-Chia Chen , Ling-Hsiu Huang
IPC分类号： G06K9/40
CPC分类号： H04N1/4074
摘要： A digital image tone remapping method is disclosed. The method includes computing an average luminance value of a digital image; generating a preliminary tone mapping function according to the average luminance value; generating a luminance statistic of the digital image; determining new remapped values for a plurality of skeleton luminance values according to the preliminary tone mapping function and the luminance statistic; generating a final tone mapping function according to the new remapped values and the plurality of skeleton luminance values; and remapping the digital image through the final tone mapping function. The present invention also discloses an apparatus performing the method.
摘要翻译：公开了一种数字图像色调重映射方法。该方法包括计算数字图像的平均亮度值; 根据平均亮度值生成初步色调映射函数; 产生数字图像的亮度统计; 根据初步色调映射函数和亮度统计量确定多个骨架亮度值的新重映射值; 根据新的重映射值和多个骨架亮度值生成最终色调映射函数; 并通过最终色调映射功能重新映射数字图像。本发明还公开了一种执行该方法的装置。

8. 发明授权

US07881556B2 Method of image processing and device thereof 有权
标题翻译：图像处理方法及其装置
公开(公告)号：US07881556B2
公开(公告)日：2011-02-01
申请号：US11870232
申请日：2007-10-10
申请人： Shing-Chia Chen , Ling-Hsiu Huang
发明人： Shing-Chia Chen , Ling-Hsiu Huang
IPC分类号： G06K9/40
CPC分类号： G06T5/008 , G06T5/40 , G06T2207/20021
摘要： A method of image processing and a device thereof are provided in the present invention. First, an image having a plurality of regions is received, wherein each region comprises a plurality of pixels. A contrast process is performed on each region and a respective local curve of each region is analyzed, wherein the local curve is a corresponding relation between the gray-level values of the pixels in each region before and after the contrast process. Next, the gray-level value of one of the pixels in a boundary between one of the regions and the neighboring region is adjusted according to the respective local curves of the one of the regions and the neighboring region. The local contrast process towards to each region is performed for enhancing the image. Therefore, not only can the features be obvious, but the non-uniform area in the boundary between the regions also can be smoothed.
摘要翻译：本发明提供一种图像处理方法及其装置。首先，接收具有多个区域的图像，其中每个区域包括多个像素。对每个区域进行对比度处理，并且分析每个区域的相应局部曲线，其中局部曲线是在对比过程之前和之后的每个区域中的像素的灰度值之间的对应关系。接下来，根据区域和相邻区域之一的各自的局部曲线来调整区域之一和相邻区域之间的边界中的像素之一的灰度值。执行朝向每个区域的局部对比过程以增强图像。因此，不仅功能明显，而且区域之间的边界上的不均匀区域也可以平滑化。

9. 发明申请

US20100289944A1 Frame Rate Up-Conversion Based Dynamic Backlight Control System and Method 审中-公开
标题翻译：基于帧速率转换的动态背光控制系统和方法
公开(公告)号：US20100289944A1
公开(公告)日：2010-11-18
申请号：US12464802
申请日：2009-05-12
申请人： Shing-Chia Chen , Ling-Hsiu Huang
发明人： Shing-Chia Chen , Ling-Hsiu Huang
IPC分类号： H04N7/01 , H04N5/57
CPC分类号： G09G3/3406 , G09G2320/0646 , G09G2340/0435 , G09G2360/144 , G09G2360/16 , H04N7/0132
摘要： A frame rate up-conversion (FRUC) based dynamic backlight control (DBLC) system and method are disclosed. A frame rate up-conversion (FRUC) unit increases frame rate by adding at least one image frame in a video display, and a dynamic backlight control (DBLC) unit adjusts backlight luminance in the video display. The DBLC unit operates at an original frame rate, and adjusts the backlight luminance for the added image frame according to statistical information about the added image frame derived from the FRUC unit.
摘要翻译：公开了一种基于帧速上变频（FRUC）的动态背光控制（DBLC）系统和方法。帧速上变频（FRUC）单元通过在视频显示中添加至少一个图像帧来增加帧速率，并且动态背光控制（DBLC）单元调整视频显示中的背光亮度。 DBLC单元以原始帧速率工作，并且根据关于从FRUC单元导出的添加的图像帧的统计信息来调整添加的图像帧的背光亮度。

10. 发明授权

US08179479B2 Method for separating luminance and chrominance of composite TV analog signal 有权
标题翻译：分离复合电视模拟信号的亮度和色度的方法
公开(公告)号：US08179479B2
公开(公告)日：2012-05-15
申请号：US12155732
申请日：2008-06-09
申请人： Ling-Hsiu Huang , Shing-Chia Chen
发明人： Ling-Hsiu Huang , Shing-Chia Chen
IPC分类号： H04N9/78
CPC分类号： H04N9/78
摘要： A method for separating luminance and chrominance of a composite TV analog signal includes the steps of: measuring first differences between horizontal neighbor pixels, second differences between vertical neighbor pixels and third differences between temporal neighbor pixels encoded in the composite TV analog signal; comparing the first, second and third differences with one another to obtain a minimum difference used as a factor of a weighting function; and filtering the composite TV analog signal simultaneously by a two-dimensional (2D) comb filter and a three-dimensional (3D) comb filter according to the weighting function on the basis of the minimum difference to obtain a luminance signal and a chrominance signal, in which magnitudes of a part of the composite TV analog signal filtered by the 2D comb filter and magnitudes of the other part of the composite TV analog signal filtered by the 3D comb filter are determined by the weighting function.
摘要翻译：一种用于分离复合TV模拟信号的亮度和色度的方法包括以下步骤：测量水平相邻像素之间的第一差异，垂直相邻像素之间的第二差异和在复合TV模拟信号中编码的时间相邻像素之间的第三差异; 将第一，第二和第三差异相互比较以获得用作加权函数的因子的最小差; 并根据最小差值根据加权函数通过二维（2D）梳状滤波器和三维（3D）梳状滤波器对复合TV模拟信号进行滤波，以获得亮度信号和色度信号，其中由2D梳状滤波器滤波的复合TV模拟信号的一部分的大小和由3D梳状滤波器滤波的复合TV模拟信号的另一部分的幅度由加权函数确定。

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