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1. 发明申请

US20050105058A1 Image processing apparatus, image processing method, and image processing program product for correcting projected images 有权
标题翻译：用于校正投影图像的图像处理装置，图像处理方法和图像处理程序产品
公开(公告)号：US20050105058A1
公开(公告)日：2005-05-19
申请号：US10987793
申请日：2004-11-12
申请人： Hiroyuki Taguchi , Nobuhiko Omori , Kouichiro Yanagi
发明人： Hiroyuki Taguchi , Nobuhiko Omori , Kouichiro Yanagi
IPC分类号： G06T3/00 , G03B21/00 , G03B21/14 , G09G3/20 , G09G5/36 , H04N1/387 , H04N5/74
CPC分类号： G03B21/14 , H04N5/7416
摘要： Distortion of an image that is projected to a screen is suppressed by an image processing apparatus including a vertical reduction section for performing reduction and correction in the vertical direction with respect to image data of the projected image and a horizontal reduction section for performing reduction and correction in the horizontal direction with respect to image data on which reduction and correction were performed in the vertical reduction section.
摘要翻译：通过图像处理装置抑制投影到画面的图像的失真，该图像处理装置包括用于相对于投影图像的图像数据进行垂直方向的缩小和校正的垂直缩小部分和用于执行缩小和校正的水平缩小部分相对于在垂直缩小部中进行了减少和校正的图像数据在水平方向上。

2. 发明授权

US07224405B2 Horizontal contour correction circuit 失效
标题翻译：水平轮廓校正电路
公开(公告)号：US07224405B2
公开(公告)日：2007-05-29
申请号：US10932570
申请日：2004-09-02
申请人： Hiroyuki Taguchi , Nobuhiko Omori , Kouichiro Yanagi
发明人： Hiroyuki Taguchi , Nobuhiko Omori , Kouichiro Yanagi
IPC分类号： H04N5/00 , H04N5/14 , H04N5/21 , G06K9/40 , G06K9/48
CPC分类号： H04N5/208
摘要： A horizontal contour correction circuit for correcting a horizontal contour of a video signal to output as a corrected signal, comprising: a delay circuit for outputting video signal values of a video signal at at least three different times either before or after a reference time, the video signal containing video signal values being input in a time serial manner; a plurality of selection circuits each for combining video signal values selected in advance from a group of video signal values output from the delay circuit, and selecting one video signal value from each combination of the video signal values to output; and a switch circuit for selecting one video signal value from among the video signal values output from the plurality of selection circuits. The video signal values before and after the reference time are respectively subtracted from a video signal value at the reference time, whereby horizontal contour of a video signal is corrected.
摘要翻译：一种用于校正视频信号的水平轮廓作为校正信号输出的水平轮廓校正电路，包括：用于在参考时间之前或之后以至少三个不同时间输出视频信号的视频信号值的延迟电路，以时间序列方式输入包含视频信号值的视频信号; 多个选择电路，用于组合从延迟电路输出的一组视频信号值中预先选择的视频信号值，并从视频信号值的每个组合中选择一个视频信号值进行输出; 以及用于从从多个选择电路输出的视频信号值中选择一个视频信号值的开关电路。基准时刻之前和之后的视频信号值分别从参考时间的视频信号值减去，从而校正视频信号的水平轮廓。

3. 发明授权

US07195357B2 Image processing apparatus, image processing method, and image processing program product for correcting projected images 有权
标题翻译：用于校正投影图像的图像处理装置，图像处理方法和图像处理程序产品
公开(公告)号：US07195357B2
公开(公告)日：2007-03-27
申请号：US10987793
申请日：2004-11-12
申请人： Hiroyuki Taguchi , Nobuhiko Omori , Kouichiro Yanagi
发明人： Hiroyuki Taguchi , Nobuhiko Omori , Kouichiro Yanagi
IPC分类号： G03B21/14
CPC分类号： G03B21/14 , H04N5/7416
摘要： Distortion of an image that is projected to a screen is suppressed by an image processing apparatus including a vertical reduction section for performing reduction and correction in the vertical direction with respect to image data of the projected image and a horizontal reduction section for performing reduction and correction in the horizontal direction with respect to image data on which reduction and correction were performed in the vertical reduction section.
摘要翻译：通过图像处理装置抑制投影到画面的图像的失真，该图像处理装置包括用于相对于投影图像的图像数据进行垂直方向的缩小和校正的垂直缩小部分和用于执行缩小和校正的水平缩小部分相对于在垂直缩小部中进行了减少和校正的图像数据在水平方向上。

4. 发明申请

US20050162620A1 Image processing apparatus 审中-公开
标题翻译：图像处理装置
公开(公告)号：US20050162620A1
公开(公告)日：2005-07-28
申请号：US11038346
申请日：2005-01-19
申请人： Hiroyuki Taguchi , Nobuhiko Omori , Kouichiro Yanagi
发明人： Hiroyuki Taguchi , Nobuhiko Omori , Kouichiro Yanagi
IPC分类号： G03B21/00 , G03B21/14 , G09G3/20 , H04N1/409 , H04N5/208 , H04N5/74 , H04N17/00
CPC分类号： H04N9/3185 , G03B21/14 , H04N5/208 , H04N5/74
摘要： An image processing apparatus used in a projection display device which displays an image formed on an image forming section by projecting it on a screen, for correcting the original image in order to correct a trapezoid distortion produced when the image is projected obliquely on the screen and forming the image to be formed on the image forming section, comprising a trapezoid correction section for correcting the trapezoid distortion by reducing the original image by pixel interpolation for producing one pixel from plural pixels; and an outline correction section for performing an edge emphasis processing on the distortion corrected image obtained by the trapezoid correction section.
摘要翻译：一种在投影显示装置中使用的图像处理装置，其通过将图像形成部分投影在屏幕上而显示图像，用于校正原始图像，以便校正当图像倾斜地投影在屏幕上时产生的梯形失真;以及形成要形成在图像形成部分上的图像，包括梯形校正部分，用于通过像素插值减少原始图像来校正梯形失真，以从多个像素产生一个像素; 以及轮廓校正部，对由梯形校正部获得的失真校正图像进行边缘加强处理。

5. 发明申请

US20050083438A1 Horizontal contour correction circuit 失效
标题翻译：水平轮廓校正电路
公开(公告)号：US20050083438A1
公开(公告)日：2005-04-21
申请号：US10932570
申请日：2004-09-02
申请人： Hiroyuki Taguchi , Nobuhiko Omori , Kouichiro Yanagi
发明人： Hiroyuki Taguchi , Nobuhiko Omori , Kouichiro Yanagi
IPC分类号： H04N5/208 , H04N5/217
CPC分类号： H04N5/208
摘要： A horizontal contour correction circuit for correcting a horizontal contour of a video signal to output as a corrected signal, comprising: a delay circuit for outputting video signal values of a video signal at at least three different times either before or after a reference time, the video signal containing video signal values being input in a time serial manner; a plurality of selection circuits each for combining video signal values selected in advance from a group of video signal values output from the delay circuit, and selecting one video signal value from each combination of the video signal values to output; and a switch circuit for selecting one video signal value from among the video signal values output from the plurality of selection circuits. The video signal values before and after the reference time are respectively subtracted from a video signal value at the reference time, whereby horizontal contour of a video signal is corrected.
摘要翻译：一种用于校正视频信号的水平轮廓作为校正信号输出的水平轮廓校正电路，包括：用于在参考时间之前或之后以至少三个不同时间输出视频信号的视频信号值的延迟电路，以时间序列方式输入包含视频信号值的视频信号; 多个选择电路，用于组合从延迟电路输出的一组视频信号值中预先选择的视频信号值，并从视频信号值的每个组合中选择一个视频信号值进行输出; 以及用于从从多个选择电路输出的视频信号值中选择一个视频信号值的开关电路。基准时刻之前和之后的视频信号值分别从参考时间的视频信号值减去，从而校正视频信号的水平轮廓。

6. 发明授权

US07836327B2 Signal processing circuit for accessing a memory based on adjustable memory control clock 有权
标题翻译：基于可调节存储器控制时钟访问存储器的信号处理电路
公开(公告)号：US07836327B2
公开(公告)日：2010-11-16
申请号：US11955192
申请日：2007-12-12
申请人： Nobuhiko Omori
发明人： Nobuhiko Omori
IPC分类号： G06F1/04
CPC分类号： G06F1/10
摘要： A delay time of a reference clock CLK is changed to generate a memory control clock CLKd, a data value output from a write data generating section is written in a memory based on the memory control clock CLKd, while successively changing the delay time of the memory control clock CLKd with respect to the reference clock CLK, the data value written in the memory is read, and the delay time suitable for access to the memory is selected from the delay time of the memory control clock CLKd with respect to the reference clock CLK based on a comparison result of the data values.
摘要翻译：参考时钟CLK的延迟时间被改变以产生存储器控制时钟CLKd，从写数据产生部分输出的数据值基于存储器控制时钟CLKd写入存储器，同时连续改变存储器的延迟时间相对于参考时钟CLK的控制时钟CLKd，读取写入存储器的数据值，并且从存储器控制时钟CLKd相对于参考时钟CLK的延迟时间中选择适合于访问存储器的延迟时间基于数据值的比较结果。

7. 发明授权

US08089490B2 Correction arithmetic circuit 有权
标题翻译：校正算术电路
公开(公告)号：US08089490B2
公开(公告)日：2012-01-03
申请号：US12249553
申请日：2008-10-10
申请人： Nobuhiko Omori
发明人： Nobuhiko Omori
IPC分类号： G09G5/02
CPC分类号： H04N5/202
摘要： A plurality of one-port split lookup tables having alternately stored therein correction data corresponding to input data is provided as a lookup table that has stored therein the correction data corresponding to the input data at predetermined intervals relevant to predetermined higher-order bits. An address generating unit generates addresses for a plurality of the corresponding split lookup tables from the input data. An interpolation arithmetic unit executes interpolation arithmetic with the use of lower-order bits of the input data for readout data read from two lookup tables.
摘要翻译：多个单端口分离查找表被交替地存储在与输入数据对应的校正数据中，作为查找表被提供，其中以与预定高位位相关的预定间隔存储与输入数据对应的校正数据。地址生成单元从输入数据生成多个对应的分割查找表的地址。插值算术单元使用从两个查找表读出的读出数据的输入数据的低位进行插值运算。

8. 发明申请

US20090096805A1 CORRECTION ARITHMETIC CIRCUIT 有权
标题翻译：校正算术电路
公开(公告)号：US20090096805A1
公开(公告)日：2009-04-16
申请号：US12249553
申请日：2008-10-10
申请人： Nobuhiko Omori
发明人： Nobuhiko Omori
IPC分类号： H04N5/202
CPC分类号： H04N5/202
摘要： A plurality of one-port split lookup tables having alternately stored therein correction data corresponding to input data is provided as a lookup table that has stored therein the correction data corresponding to the input data at predetermined intervals relevant to predetermined higher-order bits. An address generating unit generates addresses for a plurality of the corresponding split lookup tables from the input data. An interpolation arithmetic unit executes interpolation arithmetic with the use of lower-order bits of the input data for readout data read from two lookup tables.
摘要翻译：多个单端口分离查找表被交替地存储在与输入数据对应的校正数据中，作为查找表被提供，其中以与预定高位位相关的预定间隔存储与输入数据对应的校正数据。地址生成单元从输入数据生成多个对应的分割查找表的地址。插值算术单元使用从两个查找表读出的读出数据的输入数据的低位进行插值运算。

9. 发明授权

US08665377B2 Video information processing apparatus and recording medium having program recorded therein 有权
标题翻译：具有记录在其中的程序的视频信息处理装置和记录介质
公开(公告)号：US08665377B2
公开(公告)日：2014-03-04
申请号：US12848874
申请日：2010-08-02
申请人： Nobuhiko Omori , Kazunori Chida
发明人： Nobuhiko Omori , Kazunori Chida
IPC分类号： H04N5/21 , H04N5/00 , G06K9/40
CPC分类号： H04N5/21 , H04N9/67 , H04N9/74
摘要： A video-information-processing apparatus comprising: a smoothing unit to smooth input video information of a plurality of pixels and generate smoothed video information; a subtraction unit to calculate a gradation difference between the input and smoothed video information; a mixing unit to mix the input and smoothed video information at a ratio corresponding to the difference and generate mixed video information; a determination unit to determine whether or not a peripheral pixel region, including each pixel in the input video information and pixels located around the pixel, is a low-frequency region not including a gradation change greater than or equal to a predetermined gradation change; and an output-selection unit to output the mixed video information when the determination unit determines that the peripheral pixel region is the low-frequency region and output the input video information when the determination unit determines that the peripheral pixel region is not the low frequency region.
摘要翻译：一种视频信息处理设备，包括：平滑单元，用于平滑多个像素的输入视频信息并产生平滑视频信息; 减法单元，用于计算输入和平滑视频信息之间的灰度差; 混合单元，以与差异对应的比率混合输入和平滑视频信息，并产生混合视频信息; 确定单元，用于确定包括输入视频信息中的每个像素和位于像素周围的像素的周边像素区域是否是不包括大于或等于预定灰度变化的灰度变化的低频区域; 以及输出选择单元，用于当确定单元确定周边像素区域是低频区域时输出混合视频信息，并且当确定单元确定周边像素区域不是低频区域时输出输入视频信息。

10. 发明申请

US20110187935A1 Video Information Processing Apparatus and Recording Medium Having Program Recorded Therein 有权
标题翻译：视频信息处理装置及其记录程序
公开(公告)号：US20110187935A1
公开(公告)日：2011-08-04
申请号：US12848874
申请日：2010-08-02
申请人： Nobuhiko Omori , Kazunori Chida
发明人： Nobuhiko Omori , Kazunori Chida
IPC分类号： H04N9/74 , H04N5/21 , H04N9/67
CPC分类号： H04N5/21 , H04N9/67 , H04N9/74
摘要： A video-information-processing apparatus comprising: a smoothing unit to smooth input video information of a plurality of pixels and generate smoothed video information; a subtraction unit to calculate a gradation difference between the input and smoothed video information; a mixing unit to mix the input and smoothed video information at a ratio corresponding to the difference and generate mixed video information; a determination unit to determine whether or not a peripheral pixel region, including each pixel in the input video information and pixels located around the pixel, is a low-frequency region not including a gradation change greater than or equal to a predetermined gradation change; and an output-selection unit to output the mixed video information when the determination unit determines that the peripheral pixel region is the low-frequency region and output the input video information when the determination unit determines that the peripheral pixel region is not the low frequency region.
摘要翻译：一种视频信息处理设备，包括：平滑单元，用于平滑多个像素的输入视频信息并产生平滑视频信息; 减法单元，用于计算输入和平滑视频信息之间的灰度差; 混合单元，以与差异对应的比率混合输入和平滑视频信息，并产生混合视频信息; 确定单元，用于确定包括输入视频信息中的每个像素和位于像素周围的像素的周边像素区域是否是不包括大于或等于预定灰度变化的灰度变化的低频区域; 以及输出选择单元，用于当确定单元确定周边像素区域是低频区域时输出混合视频信息，并且当确定单元确定周边像素区域不是低频区域时输出输入视频信息。

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