公开(公告)号：US20120126094A1

公开(公告)日：2012-05-24

申请号：US13293969

申请日：2011-11-10

Applicant: Laurent Simony ,  Benoit Deschamps ,  Alexandre Cellier ,  Frédéric Barbier

Inventor： Laurent Simony ,  Benoit Deschamps ,  Alexandre Cellier ,  Frédéric Barbier

IPC: H01L27/146 ,  H03M1/56 ,  H03M1/00 ,  H03M1/58

CPC classification number: H03M1/58 ,  H03M1/201 ,  H03M1/56

Abstract: A method of analog to digital voltage conversion including: generating a quadratic signal based on an analog time varying reference signal; generating a ramp signal based on the quadratic signal; and converting an analog input voltage to a digital output value based on a time duration determined by a comparison of the analog input voltage with the ramp signal.

Abstract translation: 一种模数电压转换方法，包括：基于模拟时变参考信号产生二次信号; 基于二次信号产生斜坡信号; 并且基于通过模拟输入电压与斜坡信号的比较确定的持续时间，将模拟输入电压转换为数字输出值。

公开(公告)号：US08045822B2

公开(公告)日：2011-10-25

申请号：US12205665

申请日：2008-09-05

Applicant: Alexandre Cellier

Inventor： Alexandre Cellier

IPC: G06K9/40

CPC classification number: H04N5/217 ,  H04N3/2335

Abstract: An image sensor captures an image of a scene. This captured image has a pincushion distortion relative to an undistorted image of the scene. The distortion is corrected based on an approximation of the distortion D which satisfies the following equation for a given pixel in the captured image: D=(R−R′)/R=Da*(y2−x2+yoffset)+Db*R4, where R is the distance between a pixel, which corresponds in the undistorted image to the given pixel in the captured image, and the center of the undistorted image, R′ is the distance between the given pixel and the center of the captured image, Da and Db are respective distortion parameters of the image sensor, x and y are coordinates of the given pixel in the captured image, R satisfies the following equation: R2=x2+y2 and yoffset corresponds to a constant value.

Abstract translation: 图像传感器捕获场景的图像。 该捕获的图像相对于场景的未失真图像具有枕形失真。 基于对捕获图像中的给定像素满足以下等式的失真D的近似来校正失真：D =（R-R'）/ R = Da *（y2-x2 + yoffset）+ Db * R4 ，其中R是在未失真图像中对应于在捕获图像中的给定像素的像素与未失真图像的中心之间的距离，R'是给定像素与捕获图像的中心之间的距离， Da和Db是图像传感器的各自的失真参数，x和y是捕获图像中给定像素的坐标，R满足以下等式：R2 = x2 + y2，并且yoffset对应于常数值。

公开(公告)号：US08854535B2

公开(公告)日：2014-10-07

申请号：US13342793

申请日：2012-01-03

Applicant: Alexandre Cellier ,  Benoit Deschamps ,  Jeff Raynor

Inventor： Alexandre Cellier ,  Benoit Deschamps ,  Jeff Raynor

IPC: H04N5/235 ,  G03B7/099 ,  G01J1/42

CPC classification number: H04N5/2351 ,  G01J1/4204 ,  G03B7/0997

Abstract: An imaging device includes a fixed focus lens, an image sensor having an image matrix of a plurality of pixels arranged on a semiconductor substrate and supplying image data, and an electronic circuit for reading the image matrix. The image sensor also includes at least two ambient light sensors arranged on the semiconductor substrate on opposite sides of the image matrix, and configured to capture an ambient light intensity through the fixed lens, and the electronic circuit is also configured to read the two ambient light sensors and to supply ambient light data and the image data.

Abstract translation: 一种成像装置包括固定焦距透镜，具有布置在半导体衬底上的多个像素的图像矩阵并提供图像数据的图像传感器，以及用于读取图像矩阵的电子电路。 图像传感器还包括在图像矩阵的相对侧上布置在半导体衬底上的至少两个环境光传感器，并且被配置为通过固定透镜捕获环境光强度，并且电子电路还被配置为读取两个环境光 传感器，并提供环境光数据和图像数据。

公开(公告)号：US08659465B2

公开(公告)日：2014-02-25

申请号：US13293969

申请日：2011-11-10

Applicant: Laurent Simony ,  Benoît Deschamps ,  Alexandre Cellier ,  Frédéric Barbier

Inventor： Laurent Simony ,  Benoît Deschamps ,  Alexandre Cellier ,  Frédéric Barbier

IPC: H03M1/56

CPC classification number: H03M1/58 ,  H03M1/201 ,  H03M1/56

Abstract: A method of analog to digital voltage conversion including: generating a quadratic signal based on an analog time varying reference signal; generating a ramp signal based on the quadratic signal; and converting an analog input voltage to a digital output value based on a time duration determined by a comparison of the analog input voltage with the ramp signal.

Abstract translation: 一种模数电压转换方法，包括：基于模拟时变参考信号产生二次信号; 基于二次信号产生斜坡信号; 并且基于通过模拟输入电压与斜坡信号的比较确定的持续时间，将模拟输入电压转换为数字输出值。

公开(公告)号：US20120176533A1

公开(公告)日：2012-07-12

申请号：US13342793

申请日：2012-01-03

Applicant: Alexandre Cellier ,  Benoit Deschamps ,  Jeff Raynor

Inventor： Alexandre Cellier ,  Benoit Deschamps ,  Jeff Raynor

IPC: H04N5/235

CPC classification number: H04N5/2351 ,  G01J1/4204 ,  G03B7/0997

Abstract: An imaging device includes a fixed focused lens, an image sensor having a image matrix of a plurality of pixels arranged on a semiconductor substrate and supplying image data, and electronic means for reading the image matrix. The image sensor also comprises at least two ambient light sensors arranged on the semiconductor substrate on opposite sides of the image matrix, and configured to capture an ambient light intensity through the fixed lens, and the electronic means is also configured to read the two ambient light sensors and to supply ambient light data and the image data.

Abstract translation: 成像装置包括固定聚焦透镜，具有布置在半导体衬底上的多个像素的图像矩阵并提供图像数据的图像传感器以及用于读取图像矩阵的电子装置。 图像传感器还包括布置在图像矩阵的相对侧上的半导体衬底上的至少两个环境光传感器，并且被配置为通过固定透镜捕获环境光强度，并且电子装置还被配置为读取两个环境光 传感器，并提供环境光数据和图像数据。

公开(公告)号：US20090067745A1

公开(公告)日：2009-03-12

申请号：US12205665

申请日：2008-09-05

Applicant: Alexandre Cellier

Inventor： Alexandre Cellier

IPC: G06K9/40 ,  G06K9/36 ,  H04N5/217

CPC classification number: H04N5/217 ,  H04N3/2335

Abstract: An image sensor captures an image of a scene. This captured image has a pincushion distortion relative to an undistorted image of the scene. The distortion is corrected based on an approximation of the distortion D which satisfies the following equation for a given pixel in the captured image: D=(R−R′)/R=Da*(y2−x2+yoffset)+Db*R4, where R is the distance between a pixel, which corresponds in the undistorted image to the given pixel in the captured image, and the center of the undistorted image, R′ is the distance between the given pixel and the center of the captured image, Da and Db are respective distortion parameters of the image sensor, x and y are coordinates of the given pixel in the captured image, R satisfies the following equation: R2=x2+y2 and yoffset corresponds to a constant value.

Abstract translation: 图像传感器捕获场景的图像。 该捕获的图像相对于场景的未失真图像具有枕形失真。 基于对捕获图像中的给定像素满足以下等式的失真D的近似来校正失真：D =（R-R'）/ R = Da *（y2-x2 + yoffset）+ Db * R4 ，其中R是在未失真图像中对应于在捕获图像中的给定像素的像素与未失真图像的中心之间的距离，R'是给定像素与捕获图像的中心之间的距离， Da和Db是图像传感器的各自的失真参数，x和y是捕获图像中给定像素的坐标，R满足以下等式：R2 = x2 + y2，并且yoffset对应于常数值。