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    • 5. 发明授权
    • Image file, generation method thereof, and image display apparatus
    • 图像文件,其生成方法和图像显示装置
    • US5943045A
    • 1999-08-24
    • US920013
    • 1997-08-26
    • Nobuo IkeshojiTatsuya YamamotoToshiro KamiuchiNagaharu HamadaKoichi HondaHiromi Yamakawa
    • Nobuo IkeshojiTatsuya YamamotoToshiro KamiuchiNagaharu HamadaKoichi HondaHiromi Yamakawa
    • G09G5/06G06T1/00G06T9/00H04N1/407H04N1/60
    • G09G5/06H04N1/4074H04N1/6027
    • An image file for recording natural images, a generation method of the image file and an image display apparatus for displaying image data from this image file. The image file includes image data obtained by digitizing an original, and conversion tables for separating the color tones of the original into R, G and B and converting the changes of the color tones to input luminance-v-output luminance. The image display apparatus controls a color look-up table by the conversion tables read out from the image file, and displays the image data read out from the image file. The generation method of the image file includes reading development data by reading the first original by a scanner, generating a histogram between luminance and appearance frequency for each of R, G and B, integrating the appearance frequency to obtain a first cumulative histogram, generating similarly the second cumulative histogram for each of R, G and B of the final original to obtain conversion tables for the second histogram with the first cumulative histogram being the reference, and continuously displaying the color tones of a still image by using the image data and the conversion tables of the first original.
    • 用于记录自然图像的图像文件,图像文件的生成方法和用于从该图像文件显示图像数据的图像显示装置。 图像文件包括通过数字化原件获得的图像数据和用于将原稿的色调分离成R,G和B并将色调的变化转换为输入亮度-V输出亮度的转换表。 图像显示装置通过从图像文件读出的转换表来控制颜色查找表,并显示从图像文件读出的图像数据。 图像文件的生成方法包括通过扫描仪读取第一原稿来读取显影数据,为R,G和B中的每一个生成亮度和出现频率之间的直方图,对出现频率进行积分以获得第一累积直方图,同样生成 获得最终原件的R,G和B中的每一个的第二累积直方图,以获得具有第一累积直方图作为参考的第二直方图的转换表,并且通过使用图像数据连续显示静止图像的色调,并且 转换表的第一个原件。