METHOD AND DEVICE FOR ENHANCING EDGE OF IMAGE AND DIGITAL CAMERA
    1.
    发明申请
    METHOD AND DEVICE FOR ENHANCING EDGE OF IMAGE AND DIGITAL CAMERA 审中-公开
    用于增强图像和数码相机边缘的方法和装置

    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

    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。

    METHOD AND DEVICE FOR OBTAINING HIGH DYNAMIC RANGE IMAGE
    2.
    发明申请
    METHOD AND DEVICE FOR OBTAINING HIGH DYNAMIC RANGE IMAGE 审中-公开
    用于获得高动态范围图像的方法和装置

    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

    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。

    PIXEL CELL, METHOD FOR MANIFACTURING THE SAME AND IMAGE SENSOR COMPRISING THE SAME
    3.
    发明申请
    PIXEL CELL, METHOD FOR MANIFACTURING THE SAME AND IMAGE SENSOR COMPRISING THE SAME 审中-公开
    像素单元,用于产生该像素的方法和包含该像素的图像传感器

    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

    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)。

    PIXEL ARRAY AND PIXEL UNIT
    4.
    发明申请
    PIXEL ARRAY AND PIXEL UNIT 审中-公开
    像素阵列和像素单元

    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

    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。

    PIXEL ARRAY, CAMERA USING THE SAME AND COLOR PROCESSING METHOD BASED ON THE PIXEL ARRAY
    5.
    发明申请
    PIXEL ARRAY, CAMERA USING THE SAME AND COLOR PROCESSING METHOD BASED ON THE PIXEL ARRAY 审中-公开
    像素阵列,使用相机的相机和基于像素阵列的彩色处理方法

    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

    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。

    METHOD FOR READING OUT HIGH DYNAMIC RANGE IMAGE FRAME IN IMAGE SENSOR AND DEVICE USING THE SAME
    7.
    发明公开
    METHOD FOR READING OUT HIGH DYNAMIC RANGE IMAGE FRAME IN IMAGE SENSOR AND DEVICE USING THE SAME 有权
    方法用于读取具有高动态范围的静止图像在图像传感器和设备

    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

    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.

    FIXED PATTERN NOISE ELIMINATION CIRCUIT FOR CMOS IMAGE SENSOR
    10.
    发明申请
    FIXED PATTERN NOISE ELIMINATION CIRCUIT FOR CMOS IMAGE SENSOR 审中-公开
    用于CMOS图像传感器的固定图案噪声消除电路

    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

    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。

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