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    • 14. 发明申请
    • Viewing angle adaptive brightness-correction method and image forming apparatus using the same
    • 视角自适应亮度校正方法和使用其的成像装置
    • US20070070092A1
    • 2007-03-29
    • US11525875
    • 2006-09-25
    • Hyun-soo OhKyeong-man KimMi-jung Jang
    • Hyun-soo OhKyeong-man KimMi-jung Jang
    • G09G5/10
    • G09G3/36G09G2320/028G09G2320/0666G09G2320/0673G09G2320/068
    • A viewing angle adaptive brightness-correction method is provided, in which brightness of an image is adaptively corrected according to a viewing angle and the brightness-corrected image is displayed by an image display unit whose orientation angle is controllable, and an image forming apparatus using the same. The viewing angle adaptive brightness-correction displaying method includes detecting the orientation angle of the image display unit, brightness-correcting an input image according to the detected orientation angle, and displaying the brightness-corrected image on the image display unit. Accordingly, in an image display unit, such as an LCD having an angle adjustment function attached to a digital camera, a photo-printer and so on, a displayed image can be corrected according to the orientation angle of the LCD or a viewing angle to show the same image to a user for various viewing angles.
    • 提供了一种视角自适应亮度校正方法,其中根据视角自适应地校正图像的亮度,并且由取向角度可控的图像显示单元显示亮度校正图像;以及使用 一样。 视角自适应亮度校正显示方法包括检测图像显示单元的取向角度,根据检测到的取向角度对输入图像进行亮度校正,以及将亮度校正图像显示在图像显示单元上。 因此,在诸如具有附加到数字照相机的角度调节功能的LCD,照片打印机等的图像显示单元中,可以根据LCD的取向角或视角来校正显示的图像, 向用户显示与各种视角相同的图像。
    • 18. 发明申请
    • SCANNING APPARATUS AND WHITE CALIBRATION METHOD THEREOF
    • 扫描仪和白色校准方法
    • US20090009817A1
    • 2009-01-08
    • US12144897
    • 2008-06-24
    • In-ho ParkKyeong-man KimHyun-soo Oh
    • In-ho ParkKyeong-man KimHyun-soo Oh
    • H04N1/00
    • H04N1/6033
    • A scanning apparatus includes a lookup table generating unit to generate a multidimensional lookup table to convert input signals into standard signals, a minimum value computing unit to scan a white reference and compute minimum RGB values therefrom, a calibration region determining unit to establish a minimum size region in the lookup table that contains a background (BG) point where the computed minimum RGB values coincide, and a white point of the lookup table, and a calibrating unit to calibrate data values only in the established region to white values. Optimum color representation is provided, because only the white region is established and calibrated without influencing other color regions.
    • 一种扫描装置,包括:查找表生成单元,生成将输入信号转换为标准信号的多维查找表;扫描白色基准的最小值运算单元,计算最小RGB值;校正区域确定单元, 查找表中包含所计算的最小RGB值一致的背景(BG)点和查找表的白点的查找表区域,以及校准单元,用于仅将建立的区域中的数据值校准为白色值。 提供了最佳颜色表示,因为只有白色区域被建立和校准,而不影响其他颜色区域。