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    • 52. 发明申请
    • Method and apparatus for adjusting image colors of image projector
    • 用于调整图像投影仪的图像颜色的方法和装置
    • US20080088807A1
    • 2008-04-17
    • US11904124
    • 2007-09-26
    • Jae-Won MoonSung-Dae ChoYoung-Min JeongJong-Man KimYun-Je OhYoung-Ho HaChul-Hee LeeChang-Hwan SonIn-Su Jang
    • Jae-Won MoonSung-Dae ChoYoung-Min JeongJong-Man KimYun-Je OhYoung-Ho HaChul-Hee LeeChang-Hwan SonIn-Su Jang
    • G03B21/14
    • G09G5/02G09G5/06H04N9/3182
    • Disclosed is a method for correcting color in a portable image projector in consideration of an effect of a background color when the portable image projector projects images. The method corrects the effect of the background color to be projected, using color constancy technique, and thereby represents high-quality image which can be projected on a white screen. The method includes the steps of determining if a background color exists on a projection screen using a portable camera, converting the size of a mask image in order to connect a spatial position of an original image and an image photographed by a camera, correcting brightness of the mask image in order to correct non-homogeneity of the brightness of the projected image due to the distribution of different brightness values of the background color, and correcting the background color in order to correct color distortion of the image projected in different colors on the background color. The background color correction step includes the sub-steps of initializing chromaticity of the white screen in advance, and correcting chromaticity using a technique of color constancy of human eyesight.
    • 本发明公开了一种当便携式图像投影仪投影图像时考虑到背景颜色的影响来校正便携式图像投影仪中的颜色的方法。 该方法使用颜色常数技术校正要投影的背景颜色的效果,从而表示可投影在白色屏幕上的高质量图像。 该方法包括以下步骤:使用便携式相机确定投影屏幕上是否存在背景颜色,转换掩模图像的尺寸以连接原始图像的空间位置和由相机拍摄的图像,校正亮度 掩模图像,以便校正由于背景颜色的不同亮度值的分布导致的投影图像的亮度的非均匀性,并且校正背景颜色以校正在不同颜色上投影的图像的颜色失真 背景颜色。 背景颜色校正步骤包括预先对白色画面的色度进行初始化的子步骤,以及使用人眼视觉的颜色恒定性技术来校正色度。
    • 53. 发明申请
    • Apparatus and method for performing color conversion using color cache in image processing system
    • 在图像处理系统中使用彩色高速缓存进行颜色转换的装置和方法
    • US20080025602A1
    • 2008-01-31
    • US11880906
    • 2007-07-25
    • Seok-Jin WonSang-Wook OhYun-Je OhSung-Dae Cho
    • Seok-Jin WonSang-Wook OhYun-Je OhSung-Dae Cho
    • G06K9/00
    • H04N1/60H04N1/6019
    • An apparatus and method for performing color conversion using a color cache is disclosed. The apparatus includes a color converter for acquiring an after conversion color by performing a color conversion operation of a color of a predetermined pixel, a color cache for storing before conversion colors and after conversion colors of previous pixels color-converted by the color converter and searching for the same color by comparing the color of the predetermined pixel to the stored colors before conversion when the predetermined pixel is input, and a controller for transmitting the color of the predetermined pixel to the color cache, controlling the color cache to search whether the same color as that of the predetermined pixel is stored in the color cache, acquiring a after conversion color from the color converter or the color cache according to the search result, and transmitting the color after conversion to the outside.
    • 公开了一种使用彩色高速缓存进行颜色转换的装置和方法。 该装置包括:颜色转换器,用于通过执行预定像素的颜色的颜色转换操作,用于在转换颜色之前存储的颜色高速缓存器和由颜色转换器进行颜色转换的先前像素的转换颜色之后获取后转换颜色 对于相同的颜色,通过在预定像素被输入时将预定像素的颜色与转换前的存储颜色进行比较,以及用于将预定像素的颜色发送到彩色高速缓存的控制器,控制彩色高速缓存以搜索是否相同 根据搜索结果从颜色转换器或颜色高速缓存获取后转换颜色,并将转换后的颜色发送到外部。
    • 54. 发明申请
    • Method and apparatus for color interpolation in digital photographing device
    • 数字摄影装置中颜色插值的方法和装置
    • US20080018750A1
    • 2008-01-24
    • US11880667
    • 2007-07-24
    • Sang-Wook OhSung-Dae Cho
    • Sang-Wook OhSung-Dae Cho
    • H04N9/73
    • H04N9/045H04N2209/046
    • Disclosed is an apparatus and method for color interpolation in a digital photographing device, the apparatus comprising an optical unit including a lens and a lens adjuster so as to receive an optical signal, an image sensor installed to be movable in a predetermined direction, wherein the image sensor converts the optical signal input through the optical unit into a digital signal, in order to obtain raw data based on a unit of a frame, the raw data including color information about one color of each pixel according to a color filter array (CFA) of a predetermined format, a buffer for storing the raw data obtained by the image sensor, a sensor movement controller for controlling a movement state and a movement distance of the image sensor so as to obtain at least two frames of raw data, one of which has an offset from one image through the image sensor, when said one image is photographed, a sensor movement driving unit for moving the image sensor under a control of the sensor movement controller and an image processing unit for converting said at least two frames of raw data stored in the buffer into image data, which have a plurality of pieces of color information predetermined to enable expression of an original color for each pixel, by using color interpolation.
    • 本发明公开了一种数字拍摄装置中的颜色插值装置和方法,该装置包括一个包括透镜和透镜调节器以便接收光信号的光学单元,安装成可沿预定方向移动的图像传感器,其中, 图像传感器将通过光学单元输入的光信号转换为数字信号,以便根据帧的单位获得原始数据,原始数据包括根据滤色器阵列(CFA)的每个像素的一种颜色的颜色信息 ),用于存储由图像传感器获得的原始数据的缓冲器,用于控制图像传感器的移动状态和移动距离的传感器运动控制器,以便获得至少两帧原始数据,其中之一 当所述一个图像被拍摄时,其具有通过图像传感器的一个图像的偏移;传感器移动驱动单元,用于在传感器移动的控制下移动图像传感器 nt控制器和图像处理单元,用于将存储在缓冲器中的原始数据的至少两帧转换为图像数据,图像数据具有预定的多个颜色信息,以使每个像素能够表达原始颜色,通过使用颜色插值 。
    • 57. 发明申请
    • Method and device for adjusting image color in image projector
    • 用于调整图像投影机中图像颜色的方法和装置
    • US20070154086A1
    • 2007-07-05
    • US11639969
    • 2006-12-15
    • Sung-Dae ChoSang-Wook OhChang-Sup ShimYun-Je Oh
    • Sung-Dae ChoSang-Wook OhChang-Sup ShimYun-Je Oh
    • G06K9/00
    • H04N9/3194H04N9/3182
    • Disclosed are methods and devices for adjusting an image color in an image projector. In one aspect, the method for adjusting an image color in an image projector, includes the steps of obtaining information on an external image projection environment to determine color conversion information for adjusting the color of a projection image and converting the color of an image to be projected using the determined color conversion information to project the image. The device for adjusting a projection image color in a mobile communication terminal provided with an image projector, includes an image projector for performing an image projection function under the control of a controller, a camera for performing a camera function under the control of the controller; and the controller for obtaining color information of an external screen on which an image is projected through the camera, and adjusting the color of an image to be projected onto the image projector using the color information.
    • 公开了用于调整图像投影仪中的图像颜色的方法和装置。 一方面,在图像投影仪中调整图像颜色的方法包括以下步骤:获得关于外部图像投影环境的信息,以确定用于调整投影图像的颜色并将图像的颜色转换为的颜色转换信息 使用所确定的颜色转换信息来投影图像。 用于在设置有图像投影仪的移动通信终端中调整投影图像颜色的装置包括用于在控制器的控制下执行图像投影功能的图像投影仪,用于在控制器的控制下执行相机功能的照相机; 以及控制器,用于获得通过相机投影图像的外部屏幕的颜色信息,并且使用颜色信息调整要投影到图像投影仪上的图像的颜色。