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1. CN102473061 - 滚动图像捕获系统中的环境校正

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Office China
Application Number 201080032243.3
Application Date 15.07.2010
Publication Number 102473061
Publication Date 23.05.2012
Publication Kind A
IPC
G06F 3/042
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
01Input arrangements or combined input and output arrangements for interaction between user and computer
03Arrangements for converting the position or the displacement of a member into a coded form
041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
042by opto-electronic means
G06F 3/038
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
01Input arrangements or combined input and output arrangements for interaction between user and computer
03Arrangements for converting the position or the displacement of a member into a coded form
033Pointing devices displaced or positioned by the user; Accessories therefor
038Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
CPC
G06F 3/0425
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
01Input arrangements or combined input and output arrangements for interaction between user and computer
03Arrangements for converting the position or the displacement of a member into a coded form
041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
042by opto-electronic means
0425using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
G06F 3/0383
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
01Input arrangements or combined input and output arrangements for interaction between user and computer
03Arrangements for converting the position or the displacement of a member into a coded form
033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
038Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
0383Signal control means within the pointing device
Applicants 微软公司
Inventors N. 基姆
Agents 中国专利代理(香港)有限公司 72001
中国专利代理(香港)有限公司 72001
Priority Data 12617963 13.11.2009 US
61/226443 17.07.2009 US
Title
(ZH) 滚动图像捕获系统中的环境校正
Abstract
(ZH)

公开了涉及为图像捕获系统中获取的图像校正环境光的实施例。一个实施例了提供一种装置,所述装置包括屏幕、滚动图像捕获系统、本地光源、和控制器。所述控制器被配置为当获取图像数据的第一和第二帧时,操作所述本地光源,以在本地+环境光持续时间内以及环境光持续时间内集成图像传感器像素的每个场,使得对于像素的每个场,所述第一帧的和tlocal+ambient+tambient不同于所述第二帧的和tlocal+ambient+tambient。所述控制器进一步被配置为确定环境光值,并且基于所述环境光值调整一个或多个像素。