专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2006310985A Frame rate conversion apparatus, and display apparatus 审中-公开
标题翻译：帧速转换装置和显示装置
公开(公告)号：JP2006310985A
公开(公告)日：2006-11-09
申请号：JP2005128454
申请日：2005-04-26
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MATSUKAWA MASAAKI , MIZUHASHI YOSHIAKI , NAKAJIMA MITSUO , KIMURA KATSUNOBU , TAKADA HARUKI
IPC分类号： H04N7/01
摘要： PROBLEM TO BE SOLVED: To provide a frame rate conversion technology for properly capable of satisfying both the smoothed motion of an output image and an uncomplicated means for generating an interpolation frame. SOLUTION: The frame rate conversion apparatus includes: a generating means that detects a motion vector on the basis of first and second consecutive frames among a plurality of frames received at an input frame rate, corrects the magnitude of the motion vector on the basis of a correction coefficient; and generates an interpolation frame on the basis of the motion vector after the correction and the first and second frames; and an output means that outputs at least one of the received frames and the generated interpolation frame at an output frame rate. The correction coefficient has a value not changed in the midst of the frame rate conversion. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种适于能够满足输出图像的平滑运动和用于生成内插帧的不复杂装置的帧速率转换技术。解决方案：帧速率转换装置包括：产生装置，其基于以输入帧速率接收的多个帧中的第一和第二连续帧来检测运动矢量，校正运动矢量的大小，校正系数的基础; 并且基于校正后的运动矢量和第一和第二帧产生内插帧; 以及输出装置，以输出帧速率输出所接收的帧和所生成的插值帧中的至少一个。校正系数具有在帧速率转换中没有改变的值。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2006135571A Image display device 有权
标题翻译：图像显示设备
公开(公告)号：JP2006135571A
公开(公告)日：2006-05-25
申请号：JP2004321451
申请日：2004-11-05
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAJIMA MITSUO , MIZUHASHI YOSHIAKI , TAKADA HARUKI
IPC分类号： H04N5/208 , H04N5/21 , H04N7/01 , H04N19/00 , H04N19/102 , H04N19/114 , H04N19/86
CPC分类号： H04N7/0115 , H04N5/208 , H04N7/012 , H04N19/117 , H04N19/159 , H04N19/172
摘要： PROBLEM TO BE SOLVED: To enable a contour correction suitable for obscuring noises and to display high-quality images by a means for getting digital image signals and for producing a display. SOLUTION: The image display device is provided with: an input (21) to which digital image signals are inputted; an information detection/separation circuit (2) which detects and separates frame coding information and information relative to bit rate from the digital image signals; an image corrector (10) which subjects the digital image signals to a contour correction/noise reduction process; and a control circuit (11). The control circuit (11) controls an image correction circuit by using the frame coding information and bit rate information from the information detection/separation circuit (2). COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：使得能够通过用于获得数字图像信号和产生显示的手段来适应于模糊噪声并显示高质量图像的轮廓校正。解决方案：图像显示装置设置有：输入数字图像信号的输入端（21）; 信息检测/分离电路（2），其从数字图像信号中检测和分离帧编码信息和相对于比特率的信息; 对数字图像信号进行轮廓校正/降噪处理的图像校正器（10）; 和控制电路（11）。控制电路（11）通过使用来自信息检测/分离电路（2）的帧编码信息和位速率信息来控制图像校正电路。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2005210743A Video display device 审中-公开
标题翻译：视频显示设备
公开(公告)号：JP2005210743A
公开(公告)日：2005-08-04
申请号：JP2005046431
申请日：2005-02-23
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KIMURA KATSUNOBU , MATONO TAKAAKI , TAKADA HARUKI , SAKAI TAKESHI , KATO WATARU
IPC分类号： H04N9/64 , G09G5/02
摘要： PROBLEM TO BE SOLVED: To provide a video display device capable of applying highly accurate color temperature correction to a white color group signal with high luminance and low saturation so as to obtain a visually preferable white color.
SOLUTION: A signal processing circuit disclosed herein includes: an A/D converter 14 for converting an input video signal into a digital signal; a matrix circuit 15 for converting the digital signal outputted from the A/D converter into a luminance signal and at least two color difference signals; a hue conversion circuit 18 to obtain a hue signal from the color difference signals outputted from the matrix circuit; a hue correction circuit 20 for correcting the hue signal; a saturation conversion circuit 21 to obtain a saturation signal from the color difference signals; a saturation correction circuit 22 to correct the saturation signal; and a color temperature correction circuit 23 for applying color temperature correction to each of the corrected hue signal and the corrected saturation signal.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够对具有高亮度和低饱和度的白色组信号进行高精度色温校正的视频显示装置，以获得视觉上优选的白色。解决方案：本文公开的信号处理电路包括：A / D转换器14，用于将输入视频信号转换为数字信号; 用于将从A / D转换器输出的数字信号转换为亮度信号和至少两个色差信号的矩阵电路15; 色调转换电路18，从矩阵电路输出的色差信号中获得色调信号; 用于校正色调信号的色调校正电路20; 饱和度转换电路21，用于从色差信号中获得饱和信号; 饱和校正电路22，用于校正饱和信号; 以及色温校正电路23，用于对校正的色调信号和校正的饱和信号中的每一个进行色温校正。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2005192249A Video image display apparatus 审中-公开
公开(公告)号：JP2005192249A
公开(公告)日：2005-07-14
申请号：JP2005046436
申请日：2005-02-23
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KIMURA KATSUNOBU , MATONO TAKAAKI , TAKADA HARUKI , SAKAI TAKESHI , KATO WATARU
IPC分类号： H04N9/73
摘要： PROBLEM TO BE SOLVED: To obtain a white color being visually preferable by enabling performing a highly accurate color temperature correction of high-luminance and low-saturation white color system signals.
SOLUTION: This signal-processing circuit is provided with an A/D converter 14 for converting an input video signal into a digital signal, a matrix circuit 15 for converting the digital signal outputted from the A/D converter into a luminance signal and at least two color difference signals, a hue converting circuit 18 for obtaining a hue signal from color difference signal outputted from the matrix circuit, a hue correction circuit 20 for correcting this hue signal, a saturation conversion circuit 21 for obtaining a saturation signal from the color difference signal, and a color temperature correction circuit 23 for performing color temperature correction for each of the corrected hue signal, corrected saturation signal, and the saturation correcting circuit 22 for correcting the saturation signal.
COPYRIGHT: (C)2005,JPO&NCIPI

5. 发明专利

JP2005070656A Video display device, and display part driving circuit and video display method used therefor 有权
标题翻译：视频显示设备和显示部件驱动电路及其使用的视频显示方法
公开(公告)号：JP2005070656A
公开(公告)日：2005-03-17
申请号：JP2003303252
申请日：2003-08-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： AOKI KOJI , HASEGAWA AKIRA , SAKAMOTO HIROFUMI , TAKADA HARUKI , TSURU YASUTAKA
IPC分类号： G02F1/133 , G09G3/18 , G09G3/20 , G09G3/34 , G09G3/36 , G09G5/04 , H04N5/66 , H04N5/74 , H04N9/12
CPC分类号： G09G3/3406 , G09G3/2092 , G09G5/04 , G09G2360/16 , H04N9/3155
摘要： PROBLEM TO BE SOLVED: To stably obtain high contrast.
SOLUTION: The gain of a luminance signal is varied by feeding maximum luminance level information and mean luminance level information of a digital luminance signal back to adjust the contrast of a picture; and control is performed, based upon a mean luminance level detected from a feedback system so as to increase the illuminance of a back light irradiating a display part, when the mean luminance level is higher than the upper-limit value of a previously set reference range and decrease the illuminance of the back light, when lower than the lower-limit value of the reference range.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：稳定地获得高对比度。解决方案：通过馈送最大亮度电平信息和数字亮度信号的平均亮度电平信息来改变亮度信号的增益，以调整图像的对比度; 并且当平均亮度水平高于预先设定的参考范围的上限值时，基于从反馈系统检测到的平均亮度水平来执行控制，以便增加照射显示部分的背光的照度并且当低于参考范围的下限值时，降低背光的照度。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2007221820A Video display device and color temperature correction method 审中-公开
标题翻译：视频显示设备和彩色温度校正方法
公开(公告)号：JP2007221820A
公开(公告)日：2007-08-30
申请号：JP2007086371
申请日：2007-03-29
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KIMURA KATSUNOBU , MATONO TAKAAKI , TAKADA HARUKI , SAKAI TAKESHI , KATO WATARU
IPC分类号： H04N9/73 , G09G3/20 , G09G3/36 , G09G5/00 , G09G5/02
摘要： PROBLEM TO BE SOLVED: To obtain a visually preferred white color by performing color temperature correction with high accuracy on a white color signal having high luminance and low saturation. SOLUTION: A signal processing circuit comprises an A/D converter 14 for converting an input video signal into a digital signal; a matrix circuit 15 for converting the digital signal output from the A/D converter into a luminance signal and at least two color difference signals; a hue conversion circuit 18 for obtaining a hue signal from the color difference signals output from the matrix circuit; a hue correction circuit 20 for correcting this hue signal; a saturation conversion circuit 21 for obtaining a saturation signal from the color difference signals; a saturation correction circuit 22 for correcting this saturation signal; and a color temperature correction circuit 23 for performing color temperature correction on the corrected hue signal and the corrected saturation signal, respectively. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过对具有高亮度和低饱和度的白色信号进行高精度地进行色温校正来获得视觉上优选的白色。解决方案：信号处理电路包括用于将输入视频信号转换为数字信号的A / D转换器14; 用于将从A / D转换器输出的数字信号转换为亮度信号和至少两个色差信号的矩阵电路15; 色调转换电路18，用于根据从矩阵电路输出的色差信号获得色调信号; 用于校正该色调信号的色调校正电路20; 饱和转换电路21，用于从色差信号中获得饱和信号; 用于校正该饱和信号的饱和度校正电路22; 以及色温校正电路23，用于分别对校正后的色调信号和校正的饱和信号进行色温校正。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2006005961A Video display device and color temperature correction method 审中-公开
标题翻译：视频显示设备和彩色温度校正方法
公开(公告)号：JP2006005961A
公开(公告)日：2006-01-05
申请号：JP2005218167
申请日：2005-07-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KIMURA KATSUNOBU , MATONO TAKAAKI , TAKADA HARUKI , SAKAI TAKESHI , KATO WATARU
IPC分类号： H04N9/73
摘要： PROBLEM TO BE SOLVED: To obtain a visually preferable white color by highly accurately performing color temperature correction on a white color signal having high luminance and low saturation.
SOLUTION: A signal processing circuit relating to the present invention comprises an A/D converter 14 for converting an input video signal into a digital signal; a matrix circuit 15 for converting the digital signal outputted from the A/D converter into a luminance signal and at least two color difference signals; a hue conversion circuit 18 for obtaining a hue signal from the color difference signals outputted from the matrix circuit; a hue correction circuit 20 for correcting this hue signal; a saturation conversion circuit 21 for obtaining a saturation signal from said color difference signals; a saturation correction circuit 22 for correcting this saturation signal; and a color temperature correction circuit 23 for performing color temperature correction on the corrected hue signal and the corrected saturation signal, respectively.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过对具有高亮度和低饱和度的白色信号进行高精度地进行色温校正来获得视觉上优选的白色。解决方案：涉及本发明的信号处理电路包括用于将输入视频信号转换为数字信号的A / D转换器14; 用于将从A / D转换器输出的数字信号转换为亮度信号和至少两个色差信号的矩阵电路15; 色调转换电路18，用于从矩阵电路输出的色差信号中获得色调信号; 用于校正该色调信号的色调校正电路20; 饱和转换电路21，用于从所述色差信号中获得饱和信号; 用于校正该饱和信号的饱和度校正电路22; 以及色温校正电路23，用于分别对校正后的色调信号和校正的饱和信号进行色温校正。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2005175735A Video signal processor, television receiver employing the same, and video signal processing method 有权
标题翻译：视频信号处理器，使用其的电视接收机和视频信号处理方法
公开(公告)号：JP2005175735A
公开(公告)日：2005-06-30
申请号：JP2003411178
申请日：2003-12-10
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAJIMA MITSUO , TSURU YASUTAKA , MATONO TAKAAKI , TAKADA HARUKI
IPC分类号： H04N5/208 , H04N5/57
CPC分类号： H04N5/57 , H04N5/208 , H04N21/4318 , H04N21/44008
摘要： PROBLEM TO BE SOLVED: To provide a video signal processor that prevents production of a hard to see video image because of amplification of even a noise component is carried at the same time in the case that contrast correction (correction of enhancing contrast in particular) and contour correction are carried out at the same time. SOLUTION: The video signal processor includes: a feature detection circuit (3) for detecting a luminance distribution by one image pattern of video signals; a contrast correction circuit (6) for correcting the contrast of the video signal; a contour correction circuit (5) for correcting a contour part of the video signal; and a control circuit (4) for discriminating a luminance range of a control object on the basis of the luminance distribution detected by the feature detection circuit and controlling the contrast correction circuit and the contour correction circuit so as to apply prescribed correction to the video signal belonging to the luminance range. Then the control circuit (4) controls the contrast correction circuit (6) to increase the contrast of the video signal within the luminance range more than that of the other video signals and controls the contour correction circuit (5) to decrease the contour correction amount of the video signal within the luminance range more than that of the other video signals. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种视频信号处理器，其在对比度校正（校正增强对比度校正）的情况下同时承载由于放大甚至噪声分量而难以看到视频图像的产生特别）和轮廓校正同时进行。视频信号处理器包括：特征检测电路（3），用于通过视频信号的一个图像模式来检测亮度分布; 用于校正视频信号的对比度的对比度校正电路（6）用于校正视频信号的轮廓部分的轮廓校正电路（5）以及控制电路（4），用于基于由特征检测电路检测的亮度分布来辨别控制对象的亮度范围，并控制对比度校正电路和轮廓校正电路，以便对视频信号进行规定的校正属于亮度范围。然后，控制电路（4）控制对比度校正电路（6），以增加比其他视频信号的亮度范围内的视频信号的对比度，并且控制轮廓校正电路（5）减小轮廓校正量在比其他视频信号的亮度范围更大的视频信号。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2003304469A Video signal enlarging apparatus 审中-公开
标题翻译：视频信号放大装置
公开(公告)号：JP2003304469A
公开(公告)日：2003-10-24
申请号：JP2003093138
申请日：2003-03-31
申请人： Hitachi Advanced Digital Inc , Hitachi Ltd , 株式会社日立アドバンストデジタル , 株式会社日立製作所
发明人： KATSUMATA KENJI , HIRAHATA SHIGERU , TAKADA HARUKI , KONNO MITSUHISA , ISHIBASHI KOICHI , KAIZAKI KAZUHIRO , MATONO TAKAAKI , HARATANI ATSUSHI
IPC分类号： H04N5/46
摘要： PROBLEM TO BE SOLVED: To enlarge a video at multiple magnifications. SOLUTION: A video signal such as a television signal read from a memory at a faster speed than a writing speed is filter-processed in a horizontal direction and a vertical direction using a given coefficient and a magnified video signal is obtained thereby. A calculation means is provided so as to calculate the coefficient used for the filter-process periodically using magnifications capable of being set. A control signal to control the read from the memory is output with synchronizing the calculation process of the coefficient. COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2003047020A Image display and color temperature correction method 有权
标题翻译：图像显示和彩色温度校正方法
公开(公告)号：JP2003047020A
公开(公告)日：2003-02-14
申请号：JP2001226987
申请日：2001-07-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KIMURA KATSUNOBU , MATONO TAKAAKI , TAKADA HARUKI , SAKAI TAKESHI , KATO WATARU
IPC分类号： H04N9/64 , G09G5/02 , H04N9/68 , H04N9/73
CPC分类号： H04N9/73 , G09G5/02 , G09G2320/0666
摘要： PROBLEM TO BE SOLVED: To obtain a white color that is preferable visually by performing an accurate color temperature correction of high-brightness and low-chroma white color system signals.
SOLUTION: The signal-processing circuit comprises an A/D converter 14 for converting input image signals to digital signals, a matrix circuit 15 for converting digital signals that are outputted from the A/D converter to a brightness signal and at least two color difference signals, a color phase conversion circuit 18 for obtaining color phase signals from color difference signal that are outputted from the matrix circuit, a color phase correction circuit 20 for correcting the color phase signal, a chroma conversion circuit 22 for obtaining chroma signals from the color difference signals, a chroma correction circuit 22 for correcting the chroma signals, and a color temperature correction circuit 23 for performing color temperature correction to each of the corrected color phase signals and corrected chroma signals.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：通过对高亮度和低色度白色系统信号进行精确的色温校正，获得视觉上优选的白色。解决方案：信号处理电路包括用于将输入图像信号转换为数字信号的A / D转换器14，用于将从A / D转换器输出的数字信号转换为亮度信号的矩阵电路15和至少两个色差信号，用于从矩阵电路输出的色差信号获得彩色相位信号的彩色相位转换电路18，用于校正彩色相位信号的色相校正电路20，用于从色彩获得色度信号的色度转换电路22 差分信号，用于校正色度信号的色度校正电路22，以及用于对每个校正的彩色相位信号和校正的色度信号执行色温校正的色温校正电路23。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式