公开(公告)号：EP2992673A1

公开(公告)日：2016-03-09

申请号：EP14792324.7

申请日：2014-04-21

Applicant: BYD Company Limited

Inventor： LIU, Huaren ,  MAO, Shuijiang ,  FU, Jingjun ,  FENG, Wei

IPC: H04N5/235 ,  H04N9/04

Abstract: 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.

Abstract translation: 提供了一种用于获得高动态范围图像的方法和设备。 该方法包括：获取同一场景的两幅图像中每个像素的像素值; 确定两幅图像中每个像素的亮度值; 确定组合这两个图像的组合图像中的每个像素的目标亮度值; 确定两个图像中每个像素的颜色值; 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。

公开(公告)号：EP3028250B1

公开(公告)日：2017-08-30

申请号：EP14832364.5

申请日：2014-05-16

Applicant: BYD Company Limited

Inventor： LIU, Huaren ,  MAO, Shuijiang ,  FU, Jingjun ,  FENG, Wei

IPC: G06T5/00 ,  H04N5/208 ,  G06T7/00 ,  H04N5/14 ,  H04N5/232

CPC classification number: G06T5/001 ,  G06T5/003 ,  G06T7/13 ,  G06T2207/20192 ,  H04N5/142 ,  H04N5/208 ,  H04N5/23235 ,  H04N5/357

Abstract: 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.

Abstract translation: 提供了用于增强图像的边缘的方法和设备。 该方法包括：获得像素的第一梯度值; 根据第一梯度值确定像素是否处于粗糙边缘; 若是，则获取所述像素的第一边缘增强值，并根据所述第一边缘增强值获得所述像素的第一边缘增强结果; 如果否，则获得该像素的第二梯度值; 根据第二梯度值确定像素是否处于微小边缘; 若是，则获取所述像素的第二边缘增强值，并根据所述第二边缘增强值获得所述像素的第二边缘增强结果; 如果否，则获取该像素的像素值作为该像素的边缘增强结果; 并重复上述步骤直到图像的每个像素被处理。

公开(公告)号：EP3133811A1

公开(公告)日：2017-02-22

申请号：EP15780031.9

申请日：2015-04-03

Applicant: BYD Company Limited

Inventor： FENG, Wei ,  CHEN, Zengqiang ,  FU, Jingjun

IPC: H04N9/04 ,  H01L27/146 ,  H04N5/33

CPC classification number: H01L27/14649 ,  H01L27/14621 ,  H01L27/14627 ,  H01L27/14645 ,  H04N5/332 ,  H04N5/374 ,  H04N9/045

Abstract: 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.

Abstract translation: 本发明提出了一种图像传感器，一种用于设计图像传感器的监视系统和方法，所述图像传感器包括：滤色器，其中，对于红外波段中的光，所述滤色器仅允许特定波长的红外光通过， 滤色器包括多个n色滤色器，其中每个滤色器对应于一种颜色，多个n色滤色器用于将入射光中的可见光分成n色光; 以及包括信号处理电路和多个光敏单元的光敏芯片，所述多个光敏单元分别用于感测透过所述多个n色滤光片的光的强度并产生与所述光透过对应的电信号 通过多个n滤色器，所述信号处理电路用于处理成像的电信号，其中，所述信号处理电路的电信号的增益比为A1：A2：...：艾：...： AJ：...：一个，其中所述多个n滤色器的特定波长的红外光的强度的透射率是M1：M2（A1 / A2）：...：祢（A1 /艾）：... ：Mj（A1 / Aj）：...：Mn（A1 / An）。 本发明的图像传感器通过调节滤色器的光学特性来增加图像传感器的应用范围，以实现用户所期望的偏色。

公开(公告)号：EP2520080A1

公开(公告)日：2012-11-07

申请号：EP10840469.0

申请日：2010-12-01

Applicant: BYD Company Limited ,  Shenzhen BYD Auto R&D Company Limited

Inventor： QIN, Zhi ,  FU, Jingjun ,  HU, Wenge

IPC: H04N5/335

CPC classification number: H04N5/35581

Abstract: A method for reading out a high dynamic range image in an image sensor comprises: resetting a pixel array row by row from an initial row of the pixel array to process a first integration treatment for a first image when reaching a first start time; resetting the pixel array row by row from the initial row of the pixel array to process a second integration treatment for the first image when reaching a second start time; and resetting the pixel array row by row from the initial row of the pixel array to process a first integration treatment for a second image when reaching a third start time.

公开(公告)号：EP2992673B1

公开(公告)日：2019-10-16

申请号：EP14792324.7

申请日：2014-04-21

Applicant: BYD Company Limited

Inventor： LIU, Huaren ,  MAO, Shuijiang ,  FU, Jingjun ,  FENG, Wei

IPC: H04N5/235 ,  H04N9/04

公开(公告)号：EP3028250A1

公开(公告)日：2016-06-08

申请号：EP14832364.5

申请日：2014-05-16

Applicant: BYD Company Limited

Inventor： LIU, Huaren ,  MAO, Shuijiang ,  FU, Jingjun ,  FENG, Wei

IPC: G06T5/00 ,  H04N5/208 ,  G06T7/00 ,  H04N5/14 ,  H04N5/232

CPC classification number: G06T5/001 ,  G06T5/003 ,  G06T7/13 ,  G06T2207/20192 ,  H04N5/142 ,  H04N5/208 ,  H04N5/23235 ,  H04N5/357

Abstract: 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.

Abstract translation: 提供了一种用于增强图像边缘的方法和装置。 该方法包括：获得像素的第一梯度值; 根据第一梯度值确定像素是否处于粗糙边缘; 如果是，则获得所述像素的第一边缘增强值，并根据所述第一边缘增强值获得所述像素的第一边缘增强结果; 如果否，则获得像素的第二梯度值; 根据第二梯度值确定像素是否处于微小边缘; 如果是，则获得像素的第二边缘增强值，并根据第二边缘增强值获得像素的第二边缘增强结果; 如果否，则获得像素的像素值作为像素的边缘增强结果; 并重复上述步骤直到图像的每个像素被处理。

公开(公告)号：EP2752008A1

公开(公告)日：2014-07-09

申请号：EP12828966.7

申请日：2012-08-27

Applicant: Shenzhen BYD Auto R&D Company Limited ,  BYD Company Limited

Inventor： PENG, Mao ,  FU, Jingjun ,  HU, Wenge

IPC: H04N9/04

CPC classification number: G02B5/201 ,  H01L27/14621 ,  H01L27/14625 ,  H04N9/045 ,  H04N9/07

Abstract: 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 a part of the green filters are replaced by a white color filter in the matrix units. A camera using the same and a color processing method based on the pixel array are also provided.

公开(公告)号：EP2909863B1

公开(公告)日：2019-02-27

申请号：EP13846925.9

申请日：2013-10-15

Applicant: BYD Company Limited

Inventor： ZHANG, Caiting ,  LIU, Kun ,  FU, Jingjun ,  HU, Wenge

IPC: H01L27/148 ,  H01L27/146

公开(公告)号：EP2752008B1

公开(公告)日：2019-02-06

申请号：EP12828966.7

申请日：2012-08-27

Applicant: Shenzhen BYD Auto R&D Company Limited ,  BYD Company Limited

Inventor： PENG, Mao ,  FU, Jingjun ,  HU, Wenge

IPC: H04N9/04 ,  H04N5/335

公开(公告)号：EP3133805A1

公开(公告)日：2017-02-22

申请号：EP15780600.1

申请日：2015-04-03

Applicant: BYD Company Limited

Inventor： FENG, Wei ,  CHEN, Zengqiang ,  FU, Jingjun

IPC: H04N5/225

CPC classification number: H04N5/332 ,  H01L27/14621 ,  H01L27/14625 ,  H01L27/14627 ,  H01L27/14645 ,  H01L27/14649 ,  H04N5/2254 ,  H04N5/2256 ,  H04N5/2351 ,  H04N9/045

Abstract: The present invention proposes an image sensor and a monitoring system, the image sensor including: a color filter arranged to allow a particular-wavelength infrared light to pass for light in infrared wavebands, and comprising a plurality of n-color filters, wherein each of the plurality of n-color filters corresponds to one color, the plurality of n-color filters are configured to divide visible light of incident light into n-color light, wherein n is a positive integer; and a light-sensitive chip located below the color filter, wherein the light-sensitive chip comprises a signal processing circuit and a plurality of light-sensitive units one-to-one corresponding to the plurality of n-color filters, the plurality of light-sensitive units are respectively arranged to sense intensity of light transmitting through the plurality of n-color filters and to generate electric signals corresponding to the light transmitting through the plurality of n-color filters, the signal processing circuit is configured to process the electric signals for imaging; wherein a gain ratio of the signal processing circuit to the electric signals is A1: A2: ...: An, and an intensity transmittance ratio of the plurality of 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.

Abstract translation: 本发明提出了一种图像传感器和监视系统，所述图像传感器包括：滤色器，其布置成允许特定波长的红外光通过红外波段中的光，并且包括多个n色滤色器，其中每个 所述多个n色滤色器对应于一种颜色，所述多个n色滤色器被配置为将入射光的可见光分成n色光，其中n是正整数; 以及位于所述滤色器下方的感光芯片，其中所述感光芯片包括信号处理电路和对应于所述多个n色滤光片的一对一的多个感光单元，所述多个光 敏感单元分别被布置成感测透过多个n色滤光器的光的强度，并产生对应于透过多个n色滤光片的光的电信号，信号处理电路被配置为处理电信号 用于成像; 其中信号处理电路对电信号的增益比为A1：A2：...：An，滤色器的多个n色滤色器与特定波长红外光的强度透过率比为1 ：（A1 / A2）：...：（A1 / An）。 通过本发明的图像传感器，拍摄图像的颜色与人眼观察到的相同; 当红外光强度可见光弱时，可以拍摄清晰的黑白图像，应用范围广，方便可靠。