公开(公告)号：US08693798B2

公开(公告)日：2014-04-08

申请号：US13470910

申请日：2012-05-14

申请人： Shih-Yuan Peng ,  Hsin-Te Wang ,  Chung-Ta Wu

发明人： Shih-Yuan Peng ,  Hsin-Te Wang ,  Chung-Ta Wu

IPC分类号： G06K9/40 ,  H04N1/407

CPC分类号： G06T5/003 ,  G06T2207/20012

摘要： The present invention discloses an image sharpness processing apparatus and an image sharpness processing method thereof. The apparatus comprises an image capturing module and a processing module. The image capturing module captures an image having a plurality of pixels. The processing module gains a characteristic value corresponding to each pixel by analyzing each pixel in the image. The processing module calculates a first sharpening compensation value and a second sharpening compensation value of each pixel by using a first sharpening algorithm and a second sharpening algorithm respectively, and determines a weight value of the first sharpening algorithm and the second sharpening algorithm by the characteristic value. The processing module calculates a third sharpening compensation value according to the first sharpening compensation value and the second sharpening compensation value, so as to adjust the sharpness of the image.

摘要翻译： 本发明公开了一种图像锐度处理装置及其图像清晰度处理方法。 该装置包括图像捕获模块和处理模块。 图像捕获模块捕获具有多个像素的图像。 处理模块通过分析图像中的每个像素来获得与每个像素对应的特征值。 处理模块分别通过使用第一锐化算法和第二锐化算法来计算每个像素的第一锐化补偿值和第二锐化补偿值，并且通过特征值确定第一锐化算法和第二锐化算法的权重值 。 处理模块根据第一锐化补偿值和第二锐化补偿值计算第三锐化补偿值，以便调整图像的清晰度。

公开(公告)号：US20130230258A1

公开(公告)日：2013-09-05

申请号：US13470910

申请日：2012-05-14

申请人： Shih-Yuan PENG ,  Hsin-Te Wang ,  Chung-Ta Wu

发明人： Shih-Yuan PENG ,  Hsin-Te Wang ,  Chung-Ta Wu

IPC分类号： G06K9/40

CPC分类号： G06T5/003 ,  G06T2207/20012

摘要： The present invention discloses an image sharpness processing apparatus and an image sharpness processing method thereof. The apparatus comprises an image capturing module and a processing module. The image capturing module captures an image having a plurality of pixels. The processing module gains a characteristic value corresponding to each pixel by analyzing each pixel in the image. The processing module calculates a first sharpening compensation value and a second sharpening compensation value of each pixel by using a first sharpening algorithm and a second sharpening algorithm respectively, and determines a weight value of the first sharpening algorithm and the second sharpening algorithm by the characteristic value. The processing module calculates a third sharpening compensation value according to the first sharpening compensation value and the second sharpening compensation value, so as to adjust the sharpness of the image.

摘要翻译： 本发明公开了一种图像锐度处理装置及其图像清晰度处理方法。 该装置包括图像捕获模块和处理模块。 图像捕获模块捕获具有多个像素的图像。 处理模块通过分析图像中的每个像素来获得与每个像素对应的特征值。 处理模块分别通过使用第一锐化算法和第二锐化算法来计算每个像素的第一锐化补偿值和第二锐化补偿值，并且通过特征值确定第一锐化算法和第二锐化算法的权重值 。 处理模块根据第一锐化补偿值和第二锐化补偿值计算第三锐化补偿值，以便调整图像的清晰度。

公开(公告)号：US08953903B2

公开(公告)日：2015-02-10

申请号：US13205638

申请日：2011-08-09

申请人： Shih-Yuan Peng ,  Chung-Ta Wu

发明人： Shih-Yuan Peng ,  Chung-Ta Wu

IPC分类号： G06K9/40 ,  G06K9/56 ,  G06K9/32 ,  H04N5/00 ,  G06T5/00 ,  G06T7/00 ,  G06T5/20 ,  H04N5/213 ,  H04N5/14

CPC分类号： G06T5/002 ,  G06T5/20 ,  G06T2207/10016 ,  G06T2207/20032 ,  G06T2207/20182 ,  H04N5/142 ,  H04N5/213

摘要： A method of multi-frame image noise reduction suitable for an image-capturing device includes following steps: obtaining a current frame and multiple reference frames; defining a mask and a target point in the mask; judging whether the target point pixel of the current frame is on an edge according to an edge map of the frame; when the pixel is on the edge, using the pixels in the reference frames on the edge to calculate a replacement result; when the target point pixel is not on the edge, using the pixels in the reference frames surrounding the target point to calculate a replacement result; after that, generating a pixel corresponding to the position of the target point in an output image according to the replacement result; further, moving the mask and going back to judge whether the pixel of the target point of the current frame is on the edge.

摘要翻译： 适用于图像拍摄装置的多帧图像降噪方法包括以下步骤：获得当前帧和多个参考帧; 在掩模中定义掩模和目标点; 根据帧的边缘图判断当前帧的目标点像素是否在边缘上; 当像素在边缘时，使用边缘上的参考帧中的像素来计算替换结果; 当目标点像素不在边缘时，使用围绕目标点的参考帧中的像素来计算替换结果; 之后，根据替换结果生成与输出图像中的目标点的位置对应的像素; 此外，移动掩模并返回以判断当前帧的目标点的像素是否在边缘。

公开(公告)号：US20120275710A1

公开(公告)日：2012-11-01

申请号：US13205638

申请日：2011-08-09

申请人： Shih-Yuan Peng ,  Chung-Ta Wu

发明人： Shih-Yuan Peng ,  Chung-Ta Wu

IPC分类号： G06K9/48

CPC分类号： G06T5/002 ,  G06T5/20 ,  G06T2207/10016 ,  G06T2207/20032 ,  G06T2207/20182 ,  H04N5/142 ,  H04N5/213

摘要： A method of multi-frame image noise reduction suitable for an image-capturing device includes following steps: obtaining a current frame and multiple reference frames; defining a mask and a target point in the mask; judging whether the target point pixel of the current frame is on an edge according to an edge map of the frame; when the pixel is on the edge, using the pixels in the reference frames on the edge to calculate a replacement result; when the target point pixel is not on the edge, using the pixels in the reference frames surrounding the target point to calculate a replacement result; after that, generating a pixel corresponding to the position of the target point in an output image according to the replacement result; further, moving the mask and going back to judge whether the pixel of the target point of the current frame is on the edge.

摘要翻译： 适用于图像拍摄装置的多帧图像降噪方法包括以下步骤：获得当前帧和多个参考帧; 在掩模中定义掩模和目标点; 根据帧的边缘图判断当前帧的目标点像素是否在边缘上; 当像素在边缘时，使用边缘上的参考帧中的像素来计算替换结果; 当目标点像素不在边缘时，使用围绕目标点的参考帧中的像素来计算替换结果; 之后，根据替换结果生成与输出图像中的目标点的位置对应的像素; 此外，移动掩模并返回以判断当前帧的目标点的像素是否在边缘。

公开(公告)号：US20130136171A1

公开(公告)日：2013-05-30

申请号：US13402508

申请日：2012-02-22

申请人： I-Hsien Lee ,  Shih-Yuan Peng ,  Hong-Long Chou ,  Chung-Ta Wu ,  Chia-Ho Pan ,  Shuei-Lin Chen ,  Jer-Wei Chang

发明人： I-Hsien Lee ,  Shih-Yuan Peng ,  Hong-Long Chou ,  Chung-Ta Wu ,  Chia-Ho Pan ,  Shuei-Lin Chen ,  Jer-Wei Chang

IPC分类号： H04N7/34 ,  H04N7/26

CPC分类号： H04N19/51 ,  H04N19/107 ,  H04N19/124 ,  H04N19/503 ,  H04N19/593 ,  H04N19/615

摘要： A video signal encoder/decoder with a 3D noise reduction function and a method thereof. The encoder comprises a storage module, a motion estimation module, a motion compensation module, a first noise reduction module and a coding module. The storage module stores at least one reference image. The motion estimation module receives a first image from an image input end and estimates a motion vector in accordance with the first image and the reference image. The motion compensation module produces motion compensation according to the reference image and the motion vector. The first noise reduction module produces a first noise reduction value with a temporal sequence association according to the first image and the motion compensation. The coding module produces coding data according to the motion compensation and the first noise reduction value.

摘要翻译： 一种具有3D降噪功能的视频信号编码器/解码器及其方法。 编码器包括存储模块，运动估计模块，运动补偿模块，第一降噪模块和编码模块。 存储模块存储至少一个参考图像。 运动估计模块从图像输入端接收第一图像，并根据第一图像和参考图像估计运动矢量。 运动补偿模块根据参考图像和运动矢量产生运动补偿。 第一降噪模块根据第一图像和运动补偿产生具有时间序列关联的第一降噪值。 编码模块根据运动补偿和第一降噪值产生编码数据。

公开(公告)号：US20120250945A1

公开(公告)日：2012-10-04

申请号：US13217271

申请日：2011-08-25

申请人： Shih-Yuan Peng ,  Chung-Ta Wu

发明人： Shih-Yuan Peng ,  Chung-Ta Wu

IPC分类号： G06K9/00

CPC分类号： G06T7/223

摘要： A method for analyzing object motion in multi frames adapted to an image capturing device is provided. Firstly, a plurality set of first sum of absolute difference (SAD) are obtained according to noise of the image capturing device under a plurality of light settings. Next, two frames are captured under a picturing light setting of the light settings. Then, a plurality of second SAD between the two frames are calculated. Afterwards, a plurality of object block within vein tracking of the object are found. Next, a local motion vector of each object block is respectively calculated according to the second SAD. Then, a first reliability of each object block is respectively calculated according to the second SAD and the set of the first SAD corresponding to the picturing light setting. Afterwards, the local motion vectors are estimated according to the first reliability to obtain a global motion vector.

摘要翻译： 提供一种用于分析适于图像捕获装置的多帧中的物体运动的方法。 首先，根据多个光设置下的图像拍摄装置的噪声，获得多组绝对差的第一和（SAD）。 接下来，在光设置的图示光设置下捕获两帧。 然后，计算两帧之间的多个第二SAD。 之后，发现对象的静脉跟踪内的多个对象块。 接下来，根据第二SAD分别计算每个对象块的局部运动矢量。 然后，根据第二SAD和对应于图示光设定的第一SAD的集合分别计算每个对象块的第一可靠性。 然后，根据第一可靠性来估计局部运动矢量以获得全局运动矢量。

公开(公告)号：US08478002B2

公开(公告)日：2013-07-02

申请号：US13217271

申请日：2011-08-25

申请人： Shih-Yuan Peng ,  Chung-Ta Wu

发明人： Shih-Yuan Peng ,  Chung-Ta Wu

IPC分类号： G06K9/00

CPC分类号： G06T7/223

摘要： A method for analyzing object motion in multi frames adapted to an image capturing device is provided. Firstly, a plurality set of first sum of absolute difference (SAD) are obtained according to noise of the image capturing device under a plurality of light settings. Next, two frames are captured under a picturing light setting of the light settings. Then, a plurality of second SAD between the two frames are calculated. Afterwards, a plurality of object block within vein tracking of the object are found. Next, a local motion vector of each object block is respectively calculated according to the second SAD. Then, a first reliability of each object block is respectively calculated according to the second SAD and the set of the first SAD corresponding to the picturing light setting. Afterwards, the local motion vectors are estimated according to the first reliability to obtain a global motion vector.

摘要翻译： 提供一种用于分析适于图像捕获装置的多帧中的物体运动的方法。 首先，根据多个光设置下的图像拍摄装置的噪声，获得多组绝对差的第一和（SAD）。 接下来，在光设置的图示光设置下捕获两帧。 然后，计算两帧之间的多个第二SAD。 之后，发现对象的静脉跟踪内的多个对象块。 接下来，根据第二SAD分别计算每个对象块的局部运动矢量。 然后，根据第二SAD和对应于图示光设定的第一SAD的集合分别计算每个对象块的第一可靠性。 然后，根据第一可靠性来估计局部运动矢量以获得全局运动矢量。

公开(公告)号：US20130176466A1

公开(公告)日：2013-07-11

申请号：US13414273

申请日：2012-03-07

申请人： Che-Lun Chuang ,  Chung-Ta Wu ,  Hsin-Te Wang ,  Yi-Hsien Lin

发明人： Che-Lun Chuang ,  Chung-Ta Wu ,  Hsin-Te Wang ,  Yi-Hsien Lin

IPC分类号： H04N9/64

CPC分类号： H04N5/3595

摘要： A device and a method for reducing a smear effect. The device comprises an image sensing module and a smear reduction module. The image sensing module captures an image and optical black data generated from the optical area of the image sensing module. The smear reduction module searches the optical black data generated in the lower boundary of the optical black area corresponding to which generated in the upper boundary of the optical black area according to coordinates of the optical black data. Thereby, the smear reduction module can compute an offset line representing an offset of the optical black data, and the smear reduction module compensates the smear effect occurring in the image.

摘要翻译： 一种减轻拖尾效应的装置和方法。 该装置包括图像感测模块和模糊减少模块。 图像感测模块捕获从图像感测模块的光学区域生成的图像和光学黑色数据。 减号模块根据光学黑色数据的坐标来搜索在光学黑色区域的上边界中生成的光学黑色区域的下边界中生成的光学黑色数据。 因此，拖尾模块可以计算表示光学黑色数据的偏移的偏移线，并且模糊减少模块补偿在图像中发生的拖影效应。

公开(公告)号：US08412002B2

公开(公告)日：2013-04-02

申请号：US13237958

申请日：2011-09-21

申请人： Shih-Yuan Peng ,  Chung-Ta Wu

发明人： Shih-Yuan Peng ,  Chung-Ta Wu

IPC分类号： G06K9/32 ,  G06K9/48

CPC分类号： G06T5/50 ,  G06T2207/10148

摘要： A method for generating an all-in-focus image is provided. In the method, a plurality of frames including one source frame and several reference frames captured at different focus lengths are obtained. After performing a motion compensation procedure on the frames, for each pixel position belonging to an edge, a characteristic similarity between the source frame and each reference frame is calculated respectively to accordingly select a plurality of qualified reference frames among the reference frames. The method further includes determining a first type color space component of the pixel position within an all-in-focus image by an edge sharpness corresponding to the pixel position within each of the source frame and the qualified reference frames, and determining a second type color space component of the pixel position within the all-in-focus image by an color brightness corresponding to the pixel position within each of the source frame and the qualified reference frames.

摘要翻译： 提供了一种用于产生全焦点图像的方法。 在该方法中，获得包括一个源帧和以不同焦距捕获的几个参考帧的多个帧。 在对帧执行运动补偿过程之后，对于属于边缘的每个像素位置，分别计算源帧和每个参考帧之间的特征相似度，从而在参考帧中选择多个合格参考帧。 该方法还包括：确定全焦点图像内的像素位置的第一类型颜色空间分量与对应于每个源帧和合格参考帧内的像素位置的边缘锐度，以及确定第二类型颜色 在全焦点图像内的像素位置的空间分量与对应于每个源帧和合格参考帧内的像素位置的颜色亮度相关联。

公开(公告)号：US20120301025A1

公开(公告)日：2012-11-29

申请号：US13237958

申请日：2011-09-21

申请人： Shih-Yuan Peng ,  Chung-Ta Wu

发明人： Shih-Yuan Peng ,  Chung-Ta Wu

IPC分类号： G06K9/00

CPC分类号： G06T5/50 ,  G06T2207/10148

摘要： A method for generating an all-in-focus image is provided. In the method, a plurality of frames including one source frame and several reference frames captured at different focus lengths are obtained. After performing a motion compensation procedure on the frames, for each pixel position belonging to an edge, a characteristic similarity between the source frame and each reference frame is calculated respectively to accordingly select a plurality of qualified reference frames among the reference frames. The method further includes determining a first type color space component of the pixel position within an all-in-focus image by an edge sharpness corresponding to the pixel position within each of the source frame and the qualified reference frames, and determining a second type color space component of the pixel position within the all-in-focus image by an color brightness corresponding to the pixel position within each of the source frame and the qualified reference frames.

摘要翻译： 提供了一种用于产生全焦点图像的方法。 在该方法中，获得包括一个源帧和以不同焦距捕获的几个参考帧的多个帧。 在对帧执行运动补偿过程之后，对于属于边缘的每个像素位置，分别计算源帧和每个参考帧之间的特征相似度，从而在参考帧中选择多个合格参考帧。 该方法还包括：确定全焦点图像内的像素位置的第一类型颜色空间分量与对应于每个源帧和合格参考帧内的像素位置的边缘锐度，以及确定第二类型颜色 在全焦点图像内的像素位置的空间分量与对应于每个源帧和合格参考帧内的像素位置的颜色亮度相关联。