公开(公告)号：US07916158B2

公开(公告)日：2011-03-29

申请号：US11412989

申请日：2006-04-28

申请人： Hiroshi Aoki ,  Ryo Hasegawa ,  Naoya Oka ,  Rikiya Asaoka ,  Daisuke Honda

发明人： Hiroshi Aoki ,  Ryo Hasegawa ,  Naoya Oka ,  Rikiya Asaoka ,  Daisuke Honda

IPC分类号： G09G5/10 ,  G06K9/00 ,  H04N5/14

CPC分类号： H04N1/6027 ,  G06T5/009 ,  G06T5/40

摘要： Disclosed is an image display technique for displaying a high-quality image by an image signal of appropriate color saturation. To this end, in the invention, color histogram information is detected from a color difference signal and average brightness information or brightness histogram information from a brightness signal. Based on the detected color histogram information and average brightness information or brightness histogram information, the demodulation axis of a color difference signal is adjusted, thereby controlling the color saturation (chroma) of an image. This enables display of an image having color intensity suited to the brightness and chroma of an image signal.

摘要翻译： 公开了一种用于通过适当色彩饱和度的图像信号显示高质量图像的图像显示技术。 为此，在本发明中，从色差信号和来自亮度信号的平均亮度信息或亮度直方图信息中检测颜色直方图信息。 基于检测到的颜色直方图信息和平均亮度信息或亮度直方图信息，调整色差信号的解调轴，从而控制图像的色彩饱和度（色度）。 这使得能够显示具有适合于图像信号的亮度和色度的颜色强度的图像。

公开(公告)号：US07719619B2

公开(公告)日：2010-05-18

申请号：US11367703

申请日：2006-03-06

申请人： Naoya Oka ,  Masahiro Nako ,  Ryo Hasegawa ,  Rikiya Asaoka ,  Daisuke Honda

发明人： Naoya Oka ,  Masahiro Nako ,  Ryo Hasegawa ,  Rikiya Asaoka ,  Daisuke Honda

IPC分类号： H04N5/57

CPC分类号： H04N5/20

摘要： An image processing apparatus is provided that performs more appropriate black stretch processing to display a high quality video. The image processing apparatus includes a luminance characteristics detection unit that analyzes a received video signal to detect a frequency of each of a plurality of luminance areas with a luminance at least equal to or lower than a predetermined luminance, a black stretch processing unit that performs black stretch processing for a luminance signal with a luminance equal to or lower than a predetermined luminance level, and a microcomputer that uses the frequency of each of the plurality of luminance areas, detected by the detection unit, to control the black stretch processing of the black stretch processing unit.

摘要翻译： 提供一种执行更合适的黑色拉伸处理以显示高质量视频的图像处理装置。 该图像处理装置包括亮度特性检测单元，其分析接收到的视频信号，以以至少等于或低于预定亮度的亮度来检测多个亮度区域中的每一个的频率;黑色拉伸处理单元，其执行黑色 具有亮度等于或低于预定亮度水平的亮度信号的拉伸处理和使用由检测单元检测的多个亮度区域中的每一个的频率来控制黑色的黑色拉伸处理的微型计算机 拉伸处理单元。

公开(公告)号：US20060256240A1

公开(公告)日：2006-11-16

申请号：US11367703

申请日：2006-03-06

申请人： Naoya Oka ,  Masahiro Nako ,  Ryo Hasegawa ,  Rikiya Asaoka ,  Daisuke Honda

发明人： Naoya Oka ,  Masahiro Nako ,  Ryo Hasegawa ,  Rikiya Asaoka ,  Daisuke Honda

IPC分类号： H04N5/21

CPC分类号： H04N5/20

摘要： An image processing apparatus is provided that performs more appropriate black stretch processing to display a high quality video. The image processing apparatus includes a luminance characteristics detection unit that analyzes a received video signal to detect a frequency of each of a plurality of luminance areas with a luminance at least equal to or lower than a predetermined luminance, a black stretch processing unit that performs black stretch processing for a luminance signal with a luminance equal to or lower than a predetermined luminance level, and a microcomputer that uses the frequency of each of the plurality of luminance areas, detected by the detection unit, to control the black stretch processing of the black stretch processing unit.

摘要翻译： 提供一种执行更合适的黑色拉伸处理以显示高质量视频的图像处理装置。 该图像处理装置包括亮度特性检测单元，其分析接收到的视频信号，以以至少等于或低于预定亮度的亮度来检测多个亮度区域中的每一个的频率;黑色拉伸处理单元，其执行黑色 具有亮度等于或低于预定亮度水平的亮度信号的拉伸处理和使用由检测单元检测的多个亮度区域中的每一个的频率来控制黑色的黑色拉伸处理的微型计算机 拉伸处理单元。

公开(公告)号：US20060245017A1

公开(公告)日：2006-11-02

申请号：US11412989

申请日：2006-04-28

申请人： Hiroshi Aoki ,  Ryo Hasegawa ,  Naoya Oka ,  Rikiya Asaoka ,  Daisuke Honda

发明人： Hiroshi Aoki ,  Ryo Hasegawa ,  Naoya Oka ,  Rikiya Asaoka ,  Daisuke Honda

IPC分类号： G03F3/08

CPC分类号： H04N1/6027 ,  G06T5/009 ,  G06T5/40

摘要： Disclosed is an image display technique for displaying a high-quality image by an image signal of appropriate color saturation. To this end, in the invention, color histogram information is detected from a color difference signal and average brightness information or brightness histogram information from a brightness signal. Based on the detected color histogram information and average brightness information or brightness histogram information, the demodulation axis of a color difference signal is adjusted, thereby controlling the color saturation (chroma) of an image. This enables display of an image having color intensity suited to the brightness and chroma of an image signal.

摘要翻译： 公开了一种用于通过适当色彩饱和度的图像信号显示高质量图像的图像显示技术。 为此，在本发明中，从色差信号和来自亮度信号的平均亮度信息或亮度直方图信息中检测颜色直方图信息。 基于检测到的颜色直方图信息和平均亮度信息或亮度直方图信息，调整色差信号的解调轴，从而控制图像的色彩饱和度（色度）。 这使得能够显示具有适合于图像信号的亮度和色度的颜色强度的图像。