公开(公告)号：WO2008080321A1

公开(公告)日：2008-07-10

申请号：PCT/CN2007/070870

申请日：2007-10-10

Applicant: BYD COMPANY LIMITED ,  HU, Wenge ,  FU, Jingjun ,  QI, Liangjie

Inventor： HU, Wenge ,  FU, Jingjun ,  QI, Liangjie

IPC: H04N5/335 ,  H04N5/217

CPC classification number: H04N5/3658 ,  H04N5/374

Abstract: The present invention discloses a fixed pattern noise elimination circuit for CMOS image sensor, comprising a static random access memory (SRAM), a shift register, an analog signal processor (ASP), an analog-to-digital converter (ADC), a digital-to-analog converter (DAC) and a comparator. With the present invention, the nonuniformity resulted from the bias mismatch between columns of the CMOS image sensor can be corrected for each frame; therefore, the fixed pattern noise (FPN) in the CMOS image sensor can be eliminated, the imaging quality of the CMOS image sensor can be improved greatly, and the processing circuit for the CMOS image sensor can work in pipeline mode.

Abstract translation: 本发明公开了一种用于CMOS图像传感器的固定图案噪声消除电路，包括静态随机存取存储器（SRAM），移位寄存器，模拟信号处理器（ASP），模数转换器（ADC），数字 模拟转换器（DAC）和比较器。 利用本发明，可以对每个帧校正CMOS图像传感器的列之间的偏移不匹配导致的不均匀性; 因此，可以消除CMOS图像传感器中的固定图案噪声（FPN），可以大大提高CMOS图像传感器的成像质量，并且CMOS图像传感器的处理电路可以在管道模式下工作。

公开(公告)号：WO2015014148A1

公开(公告)日：2015-02-05

申请号：PCT/CN2014/077712

申请日：2014-05-16

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED

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

IPC: G06T5/00

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，则获得像素的第一边缘增强值，并根据第一边缘增强值获得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：WO2014176994A1

公开(公告)日：2014-11-06

申请号：PCT/CN2014/075781

申请日：2014-04-21

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED

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

IPC: H04N5/235 ,  H04N9/04

CPC classification number: H04N5/2355 ,  H04N1/3871 ,  H04N5/35581 ,  H04N9/045 ,  H04N2201/0084

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; 确定所述组合图像中的每个像素的像素值; 并获得高动态范围图像。

公开(公告)号：WO2016023429A1

公开(公告)日：2016-02-18

申请号：PCT/CN2015/085939

申请日：2015-08-03

Applicant: BYD COMPANY LIMITED

Inventor： LIU, Kun ,  GUO, Xianqing ,  FU, Jingjun

IPC: H04N5/374

CPC classification number: H04N5/374 ,  H04N5/2351 ,  H04N5/351

Abstract: 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.

Abstract translation: 提供一种去除图像传感器的太阳黑子的方法，用于去除图像传感器的太阳黑子的装置和图像传感器。 该方法包括：获得图像传感器的像素阵列中的像素单元的复位采样信号值; 对于每个复位采样信号值，确定复位采样信号值是否小于预定采样信号阈值，并且当复位采样信号值小于预定采样信号阈值时产生比较信号; 根据比较信号生成与复位采样信号值对应的像素单元的位置信息; 并以最大亮度值替换与位置信息对应的复位采样信号值。

公开(公告)号：WO2014059920A1

公开(公告)日：2014-04-24

申请号：PCT/CN2013/085252

申请日：2013-10-15

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED

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

IPC: H01L27/148 ,  H01L27/146

CPC classification number: H01L27/1461 ,  H01L27/14616 ,  H01L27/14643 ,  H01L27/14683 ,  H01L27/14698 ,  H04N5/378

Abstract: A pixel cell, a method for manufacturing the same and an image sensor comprising the same are provided. The pixel cell comprises: a substrate (101); a photodiode (103), a pass transistor (107) and a floating diffusion structure (104) respectively formed on the substrate (101), in which the pass transistor (107) is formed between the photodiode (103) and the floating diffusion structure (104); and a PINNED structure (105), formed on the substrate (101) and connected with the floating diffusion structure (104), in which a reset voltage of the floating diffusion structure (104) is higher than a depletion voltage of the PINNED structure (105).

Abstract translation: 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（101）; 分别形成在基板（101）上的光电二极管（103），通过晶体管（107）和浮动扩散结构（104），其中在光电二极管（103）和浮动扩散结构 （104）; 以及形成在所述基板（101）上并与所述浮动扩散结构（104）连接的PINNED结构（105），其中所述浮动扩散结构（104）的复位电压高于所述PINNED结构的耗尽电压（ 105）。

公开(公告)号：WO2013040968A1

公开(公告)日：2013-03-28

申请号：PCT/CN2012/080339

申请日：2012-08-20

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED ,  PENG, Mao ,  HAN, Zhenyou ,  FU, Jingjun ,  HU, Wenge

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

IPC: H04N5/369

CPC classification number: H01L27/14603 ,  H04N9/045

Abstract: A pixel array and a pixel unit are provided. A pixel array comprises: a plurality of pixel rows (100), each pixel row (100) comprising a plurality of pixel units (101), in which a length of a pixel unit (101) is twice of a height of the pixel unit (101), any two adjacent pixel rows (100) are staggered, and a staggered distance between the any two adjacent pixel rows (100) is equal to the height of the pixel unit (101). A pixel array comprises: a plurality of pixel columns (200), each pixel column (200) comprising a plurality of pixel units (201), in which a height of each pixel unit (201) is twice of a length of the pixel unit (201), any two adjacent pixel columns (200) are staggered, and a staggered distance between the any two adjacent pixel columns (200) is equal to the length of the pixel unit (201).

Abstract translation: 提供像素阵列和像素单元。 像素阵列包括：多个像素行（100），每个像素行（100）包括多个像素单元（101），其中像素单元（101）的长度是像素单元（101）的高度的两倍 （101），任何两个相邻的像素行（100）交错，并且任意两个相邻像素行（100）之间的交错距离等于像素单元（101）的高度。 像素阵列包括：多个像素列（200），每个像素列（200）包括多个像素单元（201），其中每个像素单元（201）的高度是像素单元（201）的长度的两倍 （201），任何两个相邻像素列（200）交错，并且任意两个相邻像素列（200）之间的交错距离等于像素单元（201）的长度。

公开(公告)号：WO2016078617A1

公开(公告)日：2016-05-26

申请号：PCT/CN2015/095208

申请日：2015-11-20

Applicant: BYD COMPANY LIMITED

Inventor： LIU, Kun ,  GUO, Xianqing ,  FU, Jingjun

IPC: H04N5/351 ,  H04N5/355

CPC classification number: H04N5/35563 ,  H01L27/14605 ,  H01L27/14621 ,  H01L27/14625 ,  H01L27/14627 ,  H04N5/238 ,  H04N5/3745

Abstract: An image forming system and an image sensor are provided. The image forming system (100), including: a substrate (10); a pixel array (20), formed on the substrate (10), including a plurality of pixel units, wherein each pixel unit includes: an image pixel subunit (25), a collecting pixel subunit (24), and an electroluminescent sheet (26), configured to cover the image pixel subunit (25); and a controller (30), connected with the pixel array (20) and configured to control the collecting pixel subunit (24) to detect incident light, such that the collecting pixel subunit (24) generates a voltage signal according to an intensity of the incident light and outputs the voltage signal to the electroluminescent sheet (26) so as to enable the electroluminescent sheet (26) to generate an attenuated optical signal from the incident light; and to control the image pixel subunit (25) to detect the attenuated optical signal, such that image pixel subunit (25) generates an image signal according to the attenuated optical signal.

Abstract translation: 提供了图像形成系统和图像传感器。 图像形成系统（100），包括：基板（10）; 形成在所述基板（10）上的像素阵列（20），包括多个像素单元，其中每个像素单元包括：图像像素子单元（25），收集像素子单元（24）和电致发光片 ），被配置为覆盖图像像素子单元（25）; 以及控制器（30），与所述像素阵列（20）连接并被配置为控制所述收集像素子单元（24）以检测入射光，使得所述收集像素子单元（24）根据所述像素阵列的强度产生电压信号 并且将电压信号输出到电致发光片（26），使得电致发光片（26）能够从入射光产生衰减的光信号; 并且控制图像像素单元（25）以检测衰减的光信号，使得图像像素子单元（25）根据衰减的光信号产生图像信号。

公开(公告)号：WO2013029516A1

公开(公告)日：2013-03-07

申请号：PCT/CN2012/080620

申请日：2012-08-27

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED ,  PENG, Mao ,  FU, Jingjun ,  HU, Wenge

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.

Abstract translation: 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，并且 绿色滤光片的一部分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。

公开(公告)号：WO2011079680A1

公开(公告)日：2011-07-07

申请号：PCT/CN2010/079357

申请日：2010-12-01

Applicant: BYD COMPANY LIMITED ,  QIN, Zhi ,  FU, Jingjun ,  HU, Wenge

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 frame in an image sensor and a device using the same are provided. The image sensor comprises a pixel array with a plurality of pixels arranged in columns and rows. The device comprises a pixel array comprising a plurality of pixels arranged in columns and rows; a calculating unit, configured to calculate and determine a first integration time and a second integration time according to an output image frame information; and an integration time processing unit.

Abstract translation: 提供了一种用于读出图像传感器中的高动态范围图像帧的方法和使用其的装置。 图像传感器包括具有排列成列和行的多个像素的像素阵列。 该装置包括：像素阵列，包括以行和列排列的多个像素; 计算单元，被配置为根据输出图像帧信息计算并确定第一积分时间和第二积分时间; 和积分时间处理单元。

公开(公告)号：EP2520080B1

公开(公告)日：2017-08-02

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 ,  H04N5/355

CPC classification number: H04N5/35581