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1. 发明授权

US09836823B2 Method and device for enhancing edge of image and digital camera 有权
公开(公告)号：US09836823B2
公开(公告)日：2017-12-05
申请号：US14895351
申请日：2014-05-16
申请人： BYD COMPANY LIMITED
发明人： Huaren Liu , Shuijiang Mao , Jingjun Fu , Wei Feng
IPC分类号： H04N5/217 , G06T5/00 , H04N5/14 , H04N5/232 , H04N5/208 , H04N5/357 , G06T7/13 , G06K9/32
CPC分类号： G06T5/001 , G06T5/003 , G06T7/13 , G06T2207/20192 , H04N5/142 , H04N5/208 , H04N5/23235 , H04N5/357
摘要： A method and a device for enhancing an edge of an image are provided. The method includes: obtaining a first gradient value of a pixel; determining whether the pixel is at a rough edge according to the first gradient value; if yes, obtaining a first edge enhancement value of the pixel and obtaining a first edge enhancement result of the pixel according to the first edge enhancement value; if no, obtaining a second gradient value of the pixel; determining whether the pixel is at a tiny edge according to the second gradient value; if yes, obtaining a second edge enhancement value of the pixel and obtaining a second edge enhancement result of the pixel according to the second edge enhancement value; if no, obtaining the pixel value of the pixel as the edge enhancement result of the pixel; and repeating above steps until each pixel of the image is processed.

2. 发明授权

US09509918B2 Method and device for obtaining high dynamic range image 有权
标题翻译：获得高动态范围图像的方法和装置
公开(公告)号：US09509918B2
公开(公告)日：2016-11-29
申请号：US14783474
申请日：2014-04-21
申请人： BYD COMPANY LIMITED
发明人： Huaren Liu , Shuijiang Mao , Jingjun Fu , Wei Feng
IPC分类号： H04N5/235 , H04N9/04 , H04N5/355 , H04N1/387
CPC分类号： H04N5/2355 , H04N1/3871 , H04N5/35581 , H04N9/045 , H04N2201/0084
摘要： A method and a device for obtaining a high dynamic range image are provided. The method includes: obtaining a pixel value of each pixel in two images of a same scene; determining a brightness value of each pixel in the two images; determining an objective brightness value of each pixel in a combined image combining the two images; determining a color value of each pixel in the two images; determining a color value of each pixel in the combined image; correcting the color value of each pixel in the combined image so as to obtain a corrected color value of each pixel in the combined image; determining a pixel value of each pixel in the combined image; and obtaining a high dynamic range image.
摘要翻译：提供了一种用于获得高动态范围图像的方法和装置。该方法包括：获得相同场景的两个图像中的每个像素的像素值; 确定所述两个图像中的每个像素的亮度值; 确定组合所述两个图像的组合图像中每个像素的客观亮度值; 确定所述两个图像中的每个像素的颜色值; 确定组合图像中每个像素的颜色值; 校正组合图像中每个像素的颜色值，以获得组合图像中每个像素的校正颜色值; 确定组合图像中每个像素的像素值; 并获得高动态范围图像。

3. 发明授权

US10057522B2 Image sensor and method and apparatus for removing sunspot of the same 有权
公开(公告)号：US10057522B2
公开(公告)日：2018-08-21
申请号：US15312143
申请日：2015-08-03
申请人： BYD COMPANY LIMITED
发明人： Kun Liu , Xianqing Guo , Jingjun Fu
IPC分类号： H04N5/374 , H04N5/351
CPC分类号： H04N5/374 , H04N5/2351 , H04N5/351
摘要： A method for removing a sunspot of an image sensor, an apparatus for removing a sunspot of an image sensor and an image sensor are provided. The method includes: obtaining reset sampling signal values of pixel units in a pixel array of the image sensor; for each of the reset sampling signal values, determining whether the reset sampling signal value is less than a predetermined sampling signal threshold, and generating a comparing signal when the reset sampling signal value is less than the predetermined sampling signal threshold; generating location information of the pixel unit corresponding to the reset sampling signal value according to the comparing signal; and replacing the reset sampling signal value corresponding to the location information with a maximum brightness value.

4. 发明申请

US20160057333A1 METHOD AND DEVICE FOR OBTAINING HIGH DYNAMIC RANGE IMAGE 有权
标题翻译：用于获取高动态范围图像的方法和装置
公开(公告)号：US20160057333A1
公开(公告)日：2016-02-25
申请号：US14783474
申请日：2014-04-21
申请人： BYD COMPANY LIMITED
发明人： Huaren Liu , Shuijiang Mao , Jingjun Fu , Wei Feng
IPC分类号： H04N5/235 , H04N9/04 , H04N5/355
CPC分类号： H04N5/2355 , H04N1/3871 , H04N5/35581 , H04N9/045 , H04N2201/0084
摘要： A method and a device for obtaining a high dynamic range image are provided. The method includes: obtaining a pixel value of each pixel in two images of a same scene; determining a brightness value of each pixel in the two images; determining an objective brightness value of each pixel in a combined image combining the two images; determining a color value of each pixel in the two images; determining a color value of each pixel in the combined image; correcting the color value of each pixel in the combined image so as to obtain a corrected color value of each pixel in the combined image; determining a pixel value of each pixel in the combined image; and obtaining a high dynamic range image.
摘要翻译：提供了一种用于获得高动态范围图像的方法和装置。该方法包括：获得相同场景的两个图像中的每个像素的像素值; 确定所述两个图像中的每个像素的亮度值; 确定组合所述两个图像的组合图像中每个像素的客观亮度值; 确定所述两个图像中的每个像素的颜色值; 确定组合图像中每个像素的颜色值; 校正组合图像中每个像素的颜色值，以获得组合图像中每个像素的校正颜色值; 确定组合图像中每个像素的像素值; 并获得高动态范围图像。

5. 发明授权

US09847361B2 Pixel cell, image sensor, and manufacturing method 有权
公开(公告)号：US09847361B2
公开(公告)日：2017-12-19
申请号：US14430097
申请日：2013-10-15
申请人： BYD COMPANY LIMITED
发明人： Caiting Zhang , Kun Liu , Jingjun Fu , Wenge Hu
IPC分类号： H01L27/14 , H01L27/146 , H04N5/378
CPC分类号： H01L27/1461 , H01L27/14616 , H01L27/14643 , H01L27/14683 , H01L27/14698 , H04N5/378
摘要： A pixel cell, a method for manufacturing the same and an image sensor including the same are provided. The pixel cell includes: a substrate; a photodiode, a pass transistor and a floating diffusion structure respectively formed on the substrate, in which the pass transistor is formed between the photodiode and the floating diffusion structure; and a PINNED structure, formed on the substrate and connected with the floating diffusion structure, in which a reset voltage of the floating diffusion structure is higher than a depletion voltage of the PINNED structure.

6. 发明申请

US20150249101A1 PIXEL CELL, METHOD FOR MANUFACTURING THE SAME AND IMAGE SENSOR COMPRISING THE SAME 有权
标题翻译：像素单元，其制造方法和包含该像素的图像传感器
公开(公告)号：US20150249101A1
公开(公告)日：2015-09-03
申请号：US14430097
申请日：2013-10-15
申请人： BYD COMPANY LIMITED
发明人： Caiting Zhang , Kun Liu , Jingjun Fu , Wenge Hu
IPC分类号： H01L27/146 , H04N5/378
CPC分类号： H01L27/1461 , H01L27/14616 , H01L27/14643 , H01L27/14683 , H01L27/14698 , H04N5/378
摘要： A pixel cell, a method for manufacturing the same and an image sensor including the same are provided. The pixel cell includes: a substrate; a photodiode, a pass transistor and a floating diffusion structure respectively formed on the substrate, in which the pass transistor is formed between the photodiode and the floating diffusion structure; and a PINNED structure, formed on the substrate and connected with the floating diffusion structure, in which a reset voltage of the floating diffusion structure is higher than a depletion voltage of the PINNED structure.
摘要翻译：提供像素单元，其制造方法和包括该像素单元的图像传感器。像素单元包括：基板; 分别形成在所述基板上的光电二极管，传输晶体管和浮动扩散结构，其中所述传输晶体管形成在所述光电二极管和所述浮动扩散结构之间; 以及PINNED结构，其形成在衬底上并与浮动扩散结构连接，其中浮动扩散结构的复位电压高于PINNED结构的耗尽电压。

7. 发明申请

US20170148842A1 IMAGE SENSOR AND MONITORING SYSTEM 审中-公开
公开(公告)号：US20170148842A1
公开(公告)日：2017-05-25
申请号：US15300550
申请日：2015-04-03
申请人： BYD Company Limited
发明人： Wei Feng , Zengqiang Chen , Jingjun Fu
IPC分类号： H01L27/146 , H04N9/04 , H04N5/374 , H04N5/33
CPC分类号： H01L27/14649 , H01L27/14621 , H01L27/14627 , H01L27/14645 , H04N5/332 , H04N5/374 , H04N9/045
摘要： The present invention proposes an image sensor, a monitoring system and a method for designing an image sensor, the image sensor including: a color filter, wherein, for light in infrared wavebands, the color filter only allows particular-wavelength infrared light to pass, and the color filter includes multiple n-color filters, wherein each filter corresponds to one color, the multiple n-color filters are used for dividing visible light in incident light into n-color light; and a light-sensitive chip, including a signal processing circuit and multiple light-sensitive units, the multiple light-sensitive units are respectively used for sensing intensity of light transmitting through the multiple n-color filters and generating electric signals corresponding to the light transmitting through the multiple n-color filters, the signal processing circuit is used for processing the electric signals for imaging, wherein a gain ratio of the signal processing circuit to the electric signals is A1: A2: . . . : Ai: . . . : Aj: . . . : An, wherein an intensity transmittance of the multiple n-color filters to the particular-wavelength infrared light is M1: M2(A1/A2): . . . : Mi(A1/Ai): . . . : Mj(A1/Aj): . . . : Mn(A1/An). The image sensor of the present invention increases an application range of the image sensor by adjusting optical characteristics of the color filter to achieve color cast desired by a user.

8. 发明申请

US20170134669A1 IMAGE SENSOR AND MONITORING SYSTEM 审中-公开
公开(公告)号：US20170134669A1
公开(公告)日：2017-05-11
申请号：US15300204
申请日：2015-04-03
申请人： BYD Company Limited
发明人： Wei Feng , Zengqiang Chen , Jingjun Fu
IPC分类号： H04N5/33 , H01L27/146 , H04N5/235 , H04N9/04 , H04N5/225
CPC分类号： H04N5/332 , H01L27/14621 , H01L27/14625 , H01L27/14627 , H01L27/14645 , H01L27/14649 , H04N5/2254 , H04N5/2256 , H04N5/2351 , H04N9/045
摘要： The present invention proposes an image sensor and a monitoring system, the image sensor including: a color filter, wherein, for light in infrared wavebands, the color filter only allows particular-wavelength infrared light to pass, and the color filter includes multiple n-color filters, wherein each filter corresponds to one color, used for dividing visible light in incident light into n-color light; and a light-sensitive chip including a signal processing circuit and multiple light-sensitive units, wherein the multiple light-sensitive units are respectively used for sensing intensity of light transmitting through the multiple n-color filters and generating electric signals corresponding to the light transmitting through the multiple n-color filters, the signal processing circuit is used for processing the electric signals for imaging, and a gain ratio of the signal processing circuit to the electric signals is A1:A2: . . . :An, wherein an intensity transmittance of the multiple n-color filters of the color filter to the particular-wavelength infrared light is 1:(A1/A2): . . . :(A1/An). Through the image sensor of the present invention, the color of a shot image is the same as that observed by human eyes; and when visible light is weak while infrared light is strong, a clear black-and-white image can be shot, which has a wide application range and is convenient and reliable.

9. 发明授权

US09482797B2 Pixel array, camera using the same and color processing method based on the pixel array 有权
标题翻译：像素阵列，相机使用相同的颜色处理方法基于像素阵列
公开(公告)号：US09482797B2
公开(公告)日：2016-11-01
申请号：US14186936
申请日：2014-02-21
申请人： SHENZHEN BYD AUTO R&D COMPANY LIMITED , BYD COMPANY LIMITED
发明人： Mao Peng , Jingjun Fu , Wenge Hu
IPC分类号： H04N5/33 , G02B5/20 , H04N9/04 , H04N9/07 , H01L27/146
CPC分类号： G02B5/201 , H01L27/14621 , H01L27/14625 , H04N9/045 , H04N9/07
摘要： A pixel array is provided. The pixel array comprises a plurality of two-dimensionally arranged 4*4 Bayer matrix units, in which the matrix unit comprises a plurality of pixels, any of a green filter, a red filter and a blue filter is disposed in one pixel, and one or more of the green filters are replaced by white color filters in the matrix units. A camera using the same and a color processing method based on the pixel array are also provided.
摘要翻译：提供像素阵列。像素阵列包括多个二维布置的4×4拜耳矩阵单位，其中矩阵单元包括多个像素，绿色滤光器，红色滤光片和蓝色滤光片中的任何一个设置在一个像素中，一个或更多的绿色滤光片由矩阵单元中的白色滤色器代替。还提供了使用其的相机和基于像素阵列的颜色处理方法。

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