公开(公告)号：US20070081102A1

公开(公告)日：2007-04-12

申请号：US11247878

申请日：2005-10-11

申请人： Rajeev Ramanath ,  Gregory Pettitt

发明人： Rajeev Ramanath ,  Gregory Pettitt

IPC分类号： H04N5/58

CPC分类号： H04N9/73 ,  G09G2320/0242 ,  G09G2360/144 ,  H04N5/58 ,  H04N9/3182 ,  H04N9/3194 ,  H04N21/42202 ,  H04N21/4318

摘要： The present disclosure relates to systems and processes for automatically adjusting the white point of displayed images to account for changes in ambient light. In one embodiment, a display system includes a display device having sensors for recording the red (R), green (G) and blue (B) values for ambient light and measuring the intensity of such light. The sensors feed these values into a processor, which calculates R, G, B gain values to be applied to the video input R, G, B values. In this manner, the display device can account for changes in ambient light to adjust the perceived white point accordingly. Related methods for automatically adjusting the white point of a perceived image are also described.

摘要翻译： 本公开涉及用于自动调整显示图像的白点以解决环境光的变化的系统和过程。 在一个实施例中，显示系统包括具有用于记录环境光的红色（R），绿色（G）和蓝色（B）值的传感器的显示装置，并测量这种光的强度。 传感器将这些值馈送到处理器中，该处理器计算要应用于视频输入R，G，B值的R，G，B增益值。 以这种方式，显示装置可以考虑环境光的变化，以相应地调整感知的白点。 还描述了用于自动调整感知图像的白点的相关方法。

公开(公告)号：US20060098123A1

公开(公告)日：2006-05-11

申请号：US10983365

申请日：2004-11-08

申请人： Antoine Simkine

发明人： Antoine Simkine

IPC分类号： H04N5/58

CPC分类号： H04N21/4854 ,  H04N5/58 ,  H04N9/3182 ,  H04N9/73 ,  H04N21/4122 ,  H04N21/42202 ,  H04N21/4318 ,  H04N21/43615 ,  H04N21/43637

摘要： The invention provides a video system comprising at least one input for receiving incoming video data and at least one output for delivering outgoing video data to a display device. The system further comprises at least one processor for converting the incoming video data into outgoing video data as a function at least of one item of information delivered by a detecting element. According to an embodiment of the invention, the detecting element is suitable for measuring at least one colorimetric characteristic of an image produced by the display device. According to another embodiment of the invention, the processor converts incoming video data into outgoing video data as a function at least of one item of information delivered by a user. In one embodiment of the invention, the information delivered by the user represents a desired calorimetric response for different incoming data.

摘要翻译： 本发明提供了一种视频系统，包括至少一个用于接收输入视频数据的输入端和至少一个用于将输出视频数据传送到显示设备的输出端。 该系统还包括至少一个处理器，用于将输入视频数据转换为输出视频数据，作为至少一个由检测元件传送的信息项的功能。 根据本发明的实施例，检测元件适于测量由显示装置产生的图像的至少一个比色特性。 根据本发明的另一个实施例，处理器将输入视频数据转换为输出视频数据，作为至少由用户传送的一个信息项的功能。 在本发明的一个实施例中，由用户传递的信息表示针对不同输入数据的期望的量热响应。

公开(公告)号：US06940522B2

公开(公告)日：2005-09-06

申请号：US09949999

申请日：2001-09-12

申请人： Masashi Kanai

发明人： Masashi Kanai

IPC分类号： G06T5/00 ,  G06F3/14 ,  G09G5/00 ,  G09G5/02 ,  G09G5/10 ,  H04N1/407 ,  H04N1/46 ,  H04N1/60 ,  H04N5/58 ,  H04N9/31 ,  H04N9/64 ,  H04N9/73 ,  G09G3/30 ,  H04N5/14 ,  H04N5/57

CPC分类号： H04N5/58 ,  H04N9/3182 ,  H04N9/3194 ,  H04N9/68

摘要： It is intended to provided an image processing method, an image display unit, and a storage medium, capable of effecting an appropriate color reproduction even under a change in brightness of external illumination.In an image display unit according to the present invention wherein a desired image processing is applied to inputted image data, an tone reproduction characteristic in a dark surround of the image display unit in a dark surround and an tone reproduction characteristic in a illuminated surround of the image display unit under illumination of a predetermined luminance value are measured by a measuring means and the tone reproduction characteristic in an illuminated surround is approximated to the tone reproduction characteristic in a dark surround in a desired input tone range by a characteristic approximating means. Further, on the basis of the approximated tone reproduction characteristic in an illuminated surround a correction curve is generated by a correction curve generating means and an image processing is performed for input image data on the basis of the generated correction curve.

摘要翻译： 旨在提供即使在外部照明的亮度变化下也能够实现适当的颜色再现的图像处理方法，图像显示单元和存储介质。 在根据本发明的图像显示单元中，其中对输入的图像数据应用期望的图像处理，在黑暗环绕中的图像显示单元的暗环绕中的色调再现特性和照明环境中的色调再现特性 通过测量装置测量预定亮度值的照明下的图像显示单元，并且通过特征近似装置在所需输入色调范围内的暗环境中的照明环境中的色调再现特性近似于色调再现特性。 此外，基于照明环境中的近似色调再现特性，通过校正曲线生成装置产生校正曲线，并且基于所生成的校正曲线对输入图像数据执行图像处理。

公开(公告)号：US20050162619A1

公开(公告)日：2005-07-28

申请号：US11018811

申请日：2004-12-21

申请人： Ikuo Hamaya

发明人： Ikuo Hamaya

IPC分类号： G03B21/00 ,  G03B21/14 ,  H04N5/57 ,  H04N5/58 ,  H04N9/31 ,  H04N9/68 ,  H04N9/73 ,  H04N17/00

CPC分类号： H04N21/4318 ,  H04N5/57 ,  H04N5/58 ,  H04N9/3182 ,  H04N9/3194 ,  H04N9/68 ,  H04N21/4122 ,  H04N21/4221 ,  H04N21/42222

摘要： When white light emitted by a lamp is projected onto a screen, a color detection sensor receives light reflected by the screen, and detects in the reflected light color levels for red, green and blue. A microcomputer calculates correction values so that the balance of the detected color levels of the reflected light match the balance of the predesignated color levels for the red, green and blue in the ideal white that are stored in a flash memory. Thereafter, upon receiving a video signal from an input terminal, the color detection unit employs the correction values obtained by the microcomputer to correct the color levels of the video signal, and displays an image on the screen.

摘要翻译： 当灯发出的白光投射到屏幕上时，颜色检测传感器接收由屏幕反射的光，并且以红色，绿色和蓝色的反射光色度检测。 微计算机计算校正值，使得反射光的检测色彩的平衡与存储在闪速存储器中的理想白色中的红色，绿色和蓝色的预定颜色级别的平衡相匹配。 此后，在从输入端子接收到视频信号时，颜色检测单元采用由微计算机获得的校正值来校正视频信号的颜色电平，并在屏幕上显示图像。

公开(公告)号：US20050094110A1

公开(公告)日：2005-05-05

申请号：US10943852

申请日：2004-09-20

申请人： Kazuyoshi Nakamura

发明人： Kazuyoshi Nakamura

IPC分类号： G02F1/13 ,  G02F1/133 ,  G02F1/13357 ,  G03B21/00 ,  G03B21/20 ,  G09G3/20 ,  G09G3/34 ,  G09G3/36 ,  H04N5/58 ,  H04N5/74 ,  H04N9/31 ,  H05B37/02 ,  H05B41/38

CPC分类号： H04N9/315 ,  G03B21/2053 ,  H04N5/58 ,  H04N5/74 ,  H04N5/7441 ,  H04N9/3147 ,  H04N21/4122 ,  H04N21/42202 ,  H04N21/4318

摘要： A projector 10 of the invention measures the brightness of an image projected on a screen SC and corrects the measured brightness of the projected image with an input zoom ratio of a projection lens and an input projection distance. The projector 10 compares the corrected brightness of the projected image with a preset target value and sets a driving power of a light source lamp 52 to compensate for a difference between the normalized brightness and the preset target value. This arrangement effectively restrains potential adverse effects of a variation in luminance of illumination light emitted by the light source lamp of the projector on the brightness and the contrast of a resulting projected image.

摘要翻译： 本发明的投影仪10测量投影在屏幕SC上的图像的亮度，并且以投影透镜的输入变焦比和输入投影距离来校正投影图像的测量亮度。 投影仪10将投影图像的校正亮度与预设目标值进行比较，并设定光源灯52的驱动力，以补偿归一化亮度与预设目标值之间的差异。 这种布置有效地抑制了由投影仪的光源灯发出的照明光的亮度变化对产生的投影图像的亮度和对比度的潜在不利影响。

公开(公告)号：US20050041139A1

公开(公告)日：2005-02-24

申请号：US10911614

申请日：2004-08-05

申请人： Robert Lowles

发明人： Robert Lowles

IPC分类号： G09G3/34 ,  H04N5/58 ,  H04N5/66 ,  H04N5/235

CPC分类号： H04N5/66 ,  G09G3/3406 ,  G09G2320/0606 ,  G09G2320/0626 ,  G09G2320/0653 ,  G09G2360/144 ,  H04N5/58

摘要： A method and system for automatically adjusting a backlight intensity level for displays is disclosed. The system and method are implemented in electronic devices having a camera and digital backlit displays, such that the camera is used to determine an ambient light level and the backlight level is adjusted according to the determined ambient light level. In particular, when the camera is not in use for capturing images by the user, the automatic backlight adjustment system captures a first image with the camera to determine an initial ambient light level, and then captures a second image with the camera at a later time to determine a subsequent ambient light level. The subsequent and initial ambient light levels are compared to each other and the backlight intensity level is either increased or decreased a predetermined amount for optimal viewing and low power consumption. Backlight intensity determination can be performed on the basis of a single image instead of a differential between two images.

摘要翻译： 公开了一种用于自动调节显示器的背光强度水平的方法和系统。 该系统和方法在具有照相机和数字背光显示器的电子设备中实现，使得照相机用于确定环境光水平，并且根据确定的环境光水平来调节背光级。 特别地，当相机不用于用户捕获图像时，自动背光调整系统利用相机拍摄第一图像以确定初始环境光水平，然后在稍后的时间用相机拍摄第二图像 以确定随后的环境光水平。 将后续的和初始的环境光水平彼此进行比较，并且背光强度水平被增加或减小预定量以获得最佳观看和低功耗。 可以基于单个图像而不是两个图像之间的差分来执行背光强度确定。

公开(公告)号：US6091827A

公开(公告)日：2000-07-18

申请号：US880402

申请日：1997-06-23

申请人： Seiichi Tanaka

发明人： Seiichi Tanaka

IPC分类号： A63F13/02 ,  G02B27/01 ,  G09G3/34 ,  H04N5/58 ,  H04N5/64 ,  H04N5/74 ,  H04R5/02

CPC分类号： G02B27/017 ,  A63F13/02 ,  G09G3/3406 ,  H04N9/3141 ,  G09G2320/0633 ,  G09G2360/144 ,  H04N5/58 ,  H04N5/642

摘要： An image display device which provides an enlarged main display image together with an environmental image disposed at its periphery; which is provided with a circumstances-detecting unit for detecting the operating conditions of the image display device and an image-changing unit for varying the environmental image according to parameters detected by the circumstances-detecting unit. The circumstances-detecting means detects the quantity or brightness of light inside or outside the display device and the sound volume of the display or surrounding sound outside the display device. The image-changing unit varies a light quantity and color tone of an environmental image of the display device according to the detected light quantity or brightness, or according to the detected sound volume or surrounding sound.

摘要翻译： 一种图像显示装置，其与放置在其周边的环境图像一起提供放大的主显示图像; 其设置有用于检测图像显示装置的操作条件的环境检测单元和用于根据由环境检测单元检测到的参数来改变环境图像的图像改变单元。 环境检测装置检测显示装置内部或外部的光的量或亮度，以及显示装置外部的显示器或周围声音的音量。 图像改变单元根据检测到的光量或亮度，或根据检测到的声音或周围的声音来改变显示装置的环境图像的光量和色调。

公开(公告)号：US5854661A

公开(公告)日：1998-12-29

申请号：US940221

申请日：1997-09-30

申请人： Gregory Peter Kochanski

发明人： Gregory Peter Kochanski

IPC分类号： G09G5/00 ,  G09G5/10 ,  H04N5/58 ,  H04N5/57

CPC分类号： H04N5/58 ,  G09G5/00 ,  H04N21/4223 ,  H04N21/4318 ,  G09G2320/0626 ,  G09G2360/144

摘要： A system and method for subtracting reflection images, caused by proximately located light sources, from an image displayed on a video display screen. The present invention includes a camera mounted in close proximity to a video display device having a display screen, and oriented to point towards a user. The camera is connected to a control unit capable of image processing and of adjusting the images displayed on the display screen. Light from the proximately located light source falls upon the display screen causing glare from the light source and forming reflection images of the user and other objects on the display screen. In order to eliminate these undesirable reflection images from the display screen, the control unit first locates the reflection images on the display screen, and then eliminates these images by adjusting the brightness values of the reflection images' pixels.

摘要翻译： 一种用于从由显示在视频显示屏幕上的图像中减去由近似定位的光源引起的反射图像的系统和方法。 本发明包括安装在具有显示屏的视频显示装置附近并且朝向用户指向的相机。 相机连接到能够进行图像处理的控制单元并且调整显示在显示屏幕上的图像。 来自近处定位的光源的光落在显示屏上，引起来自光源的眩光，并在显示屏上形成使用者和其他物体的反射图像。 为了从显示屏中消除这些不期望的反射图像，控制单元首先将反射图像定位在显示屏上，然后通过调整反射图像像素的亮度值来消除这些图像。

公开(公告)号：US5845110A

公开(公告)日：1998-12-01

申请号：US313998

申请日：1994-09-28

申请人： Hyo-Jin Lee

发明人： Hyo-Jin Lee

IPC分类号： H04N5/57 ,  G03G15/00 ,  G03G15/08 ,  G03G21/18 ,  H04N1/00 ,  H04N1/29 ,  H04N5/58 ,  G03G21/00

CPC分类号： G03G21/1821 ,  G03G15/00 ,  G03G15/0896 ,  G03G21/1609 ,  G03G21/1619 ,  G03G21/1628 ,  H04N1/00543 ,  H04N1/29 ,  G03G2221/1606 ,  G03G2221/163 ,  G03G2221/1636 ,  G03G2221/1657 ,  G03G2221/1687

摘要： A facsimile transmission apparatus having an electrostatic printing system uses plain paper as a recording sheet. The apparatus uses an electrophotographic developing system and includes: (1) an upper frame mold which contains a photosensitive drum assembly with a photosensitive drum and a charging device, the upper frame also contains an exposure device and a fixing device; (2) a lower frame molded in the shape of a box with an open top portion, the lower frame contains a developing device for selectively attaching toner to indicate a visible charging image on the photosensitive drum, a transfer device for transferring the visible image onto the photosensitive drum, a pickup roller for picking up the paper, and a conveyor roller for conveying the paper to the developing device.

摘要翻译： 具有静电印刷系统的传真传送装置使用普通纸作为记录纸。 该装置使用电子照相显影系统，包括：（1）上框架模具，其包含具有感光鼓的感光鼓组件和充电装置，上框架还包含曝光装置和定影装置; （2）模制成具有开口顶部的盒子的下框架，下框架包含用于选择性地附接调色剂以指示感光鼓上的可见充电图像的显影装置，用于将可见图像转印到 感光鼓，用于拾取纸的拾取辊以及用于将纸传送到显影装置的输送辊。

公开(公告)号：US5760843A

公开(公告)日：1998-06-02

申请号：US693461

申请日：1996-08-07

申请人： Atsushi Morimura ,  Takeo Azuma

发明人： Atsushi Morimura ,  Takeo Azuma

IPC分类号： H04N5/57 ,  H04N5/58 ,  H04N5/52

CPC分类号： H04N5/58 ,  H04N5/57

摘要： A method and an apparatus performs contrast processing so that the contrast of a video signal displayed on a low contrast display device is improved. The apparatus and method prevent the picture from becoming whitish and from having its apparent contrast reduced, even when external light is present. The apparatus comprises a brightness level converting part for converting the brightness level of a picture to a brightness level which can be displayed with a low contrast display device. The apparatus further includes a contrast improving part for improving the contrast by superimposing a waveform on the input signal to create an optical illusion of a brightness level. A brightness level compensating part is also provided for compensating the brightness value of the light and dark parts of the brightness varying portions in the video input signal so that the light parts get darker and the dark parts get lighter.

摘要翻译： 一种方法和装置进行对比度处理，使得显示在低对比度显示装置上的视频信号的对比度得到改善。 该装置和方法即使在存在外部光时也能防止图像发白，并且不会使其明显的对比度降低。 该装置包括用于将图像的亮度级别转换成可以用低对比度显示装置显示的亮度级的亮度级转换部分。 该装置还包括对比度改善部分，用于通过在输入信号上叠加波形来改善对比度，以产生亮度级别的错觉。 还提供亮度电平补偿部分，用于补偿视频输入信号中的亮度变化部分的亮和暗部分的亮度值，使得光部分变暗并且暗部分变得更亮。