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    • 2. 发明授权
    • Color conversion apparatus for image data and color conversion method for image data
    • US06545726B2
    • 2003-04-08
    • US10073457
    • 2002-02-11
    • Shozo Into
    • Shozo Into
    • H04N964
    • H04N9/643H04N9/75
    • It is an object of the present invention to provide a color conversion apparatus in which an output result of a color converting circuit at the succeeding stage for color-converting a specific color can be prevented from being affected by an output result of a color converting circuit at the preceding stage for color-converting a whole image. Since a first color converting circuit (10) color-converts a whole image of image data in a first color-conversion fashion. A second color converting circuit (20) color-converts only the area of such color in a second color-conversion fashion by adding a correction signal which results from multiplying a key signal (4) indicative of an area of specific color to image data in which the whole image is color-converted in a first color-conversion fashion and a key signal generating circuit (30) generates the key signal (4) from the image data supplied to the first color converting circuit 10 the output result of the second color converting circuit (20) at the succeeding stage for color-converting the specific color can be prevented from being affected by the output result from the first color converting circuit (10) at the succeeding stage for color-converting the whole image.
    • 3. 发明授权
    • Key signal waveform shaping apparatus
    • 关键信号波形整形装置
    • US5734438A
    • 1998-03-31
    • US574852
    • 1995-12-19
    • Shozo Into
    • Shozo Into
    • H04N5/222H04N5/275H04N9/74H04N9/75
    • H04N5/275
    • In a key signal waveform shaping apparatus which includes an adder 1 for supplying a key source signal KS with a gain of a predetermined slice level, a multiplier 2 for extending a signal offset by the adder 1 by multiplication of a gain, and a first limiter circuit 3 for converting the signal extended by the multiplier 2 by cutting an upper limit value and lower limit value of the extended signal. A limit value generating circuit generates an upper limit value and lower limit value from the signal offset by the adder 1. The key signal K is obtained by further limiting the output of the first limiter circuit 3 by the upper limit value and the lower limit value. The present invention provides a key signal waveform shaping apparatus in which an error of an edge position of a key signal can be removed and in which the quality of a synthesized picture can be improved.
    • 在包括用于向键源信号KS提供预定限幅电平的增益的加法器1的关键信号波形整形装置中,乘法器2用于通过增益乘以扩展由加法器1偏移的信号,以及第一限幅器 电路3,用于通过切断扩展信号的上限值和下限值来转换由乘法器2扩展的信号。 极限值产生电路根据加法器1的偏移量产生上限值和下限值。通过进一步将第一限幅电路3的输出限制为上限值和下限值,获得键信号K 。 本发明提供了一种键信号波形整形装置,其中可以去除键信号的边缘位置的误差,并且可以提高合成图像的质量。
    • 4. 发明授权
    • Image processing apparatus, and method for controlling an image processor
    • 图像处理装置和用于控制图像处理器的方法
    • US08274608B2
    • 2012-09-25
    • US12715748
    • 2010-03-02
    • Shozo Into
    • Shozo Into
    • H04N5/268
    • H04N5/268
    • In an image processing apparatus, an image processor includes: a matrix switcher, wherein intersecting input and output lines are connected by crosspoint switches; a signal processing block connected to output lines on the upstream side, and input lines on the downstream side by reentry paths; and an output block connected to output lines on the upstream side. An external reentry settings unit sets a first and second port of the matrix switcher as external reentry output ports, the first port being a matrix switcher output port, and the second port being a matrix switcher input port. A reentry stage information generator generates reentry stage information, which indicates the stage of the internal signal processing path where a special function unit is logically positioned, and wherein the special function unit corresponds to the external reentry output ports of the signal processing block and the output block.
    • 在图像处理装置中,图像处理器包括:矩阵切换器,其中交叉输入和输出线通过交叉点开关连接; 连接到上游侧的输出线的信号处理块,以及通过再入路径在下游侧的输入线; 以及连接到上游侧的输出线的输出块。 外部再入设置单元将矩阵切换器的第一和第二端口设置为外部再入输出端口,第一端口是矩阵切换器输出端口,第二端口是矩阵切换器输入端口。 再入级信息生成器生成再入级信息,其指示在逻辑上定位特殊功能单元的内部信号处理路径的阶段,并且其中特殊功能单元对应于信号处理块的外部再入输出端口和输出 块。
    • 5. 发明申请
    • IMAGE PROCESSING APPARATUS, AND METHOD FOR CONTROLLING AN IMAGE PROCESSOR
    • 图像处理装置,以及用于控制图像处理器的方法
    • US20100259687A1
    • 2010-10-14
    • US12715748
    • 2010-03-02
    • Shozo INTO
    • Shozo INTO
    • H04N9/67
    • H04N5/268
    • In an image processing apparatus, an image processor includes: a matrix switcher, wherein intersecting input and output lines are connected by crosspoint switches; a signal processing block connected to output lines on the upstream side, and input lines on the downstream side by reentry paths; and an output block connected to output lines on the upstream side. An external reentry settings unit sets a first and second port of the matrix switcher as external reentry output ports, the first port being a matrix switcher output port, and the second port being a matrix switcher input port. A reentry stage information generator generates reentry stage information, which indicates the stage of the internal signal processing path where a special function unit is logically positioned, and wherein the special function unit corresponds to the external reentry output ports of the signal processing block and the output block.
    • 在图像处理装置中,图像处理器包括:矩阵切换器,其中交叉输入和输出线通过交叉点开关连接; 连接到上游侧的输出线的信号处理块,以及通过再入路径在下游侧的输入线; 以及连接到上游侧的输出线的输出块。 外部再入设置单元将矩阵切换器的第一和第二端口设置为外部再入输出端口,第一端口是矩阵切换器输出端口,第二端口是矩阵切换器输入端口。 再入级信息生成器生成再入级信息,其指示在逻辑上定位特殊功能单元的内部信号处理路径的阶段,并且其中特殊功能单元对应于信号处理块的外部再入输出端口和输出 块。
    • 7. 发明授权
    • Color conversion apparatus and method for image data
    • 用于图像数据的颜色转换装置和方法
    • US06369860B1
    • 2002-04-09
    • US08714155
    • 1996-09-18
    • Shozo Into
    • Shozo Into
    • H04N974
    • H04N9/643H04N9/75
    • A color conversion apparatus in which an output result of a color converting circuit at a succeeding stage for color-converting a specific color can be prevented from being affected by an output result of a color converting circuit at the preceding stage for color-converting a whole image. A first color converting circuit color-converts a whole image of image data in a first color-conversion fashion. A second color converting circuit color-converts only the area of such color in a second color-conversion fashion by adding a correction signal which results from multiplying a key signal indicative of an area of specific color to image data in which the whole image is color-converted in a first color-conversion fashion. A key signal generating circuit generates the key signal from the image data supplied to the first color converting circuit.
    • 可以防止用于颜色转换特定颜色的后级处的颜色转换电路的输出结果受到前一级的颜色转换电路的输出结果的影响,从而对整体进行颜色转换 图片。 第一颜色转换电路以第一颜色转换方式对图像数据的整个图像进行颜色转换。 第二颜色转换电路仅以第二颜色转换方式对这种颜色的区域进行颜色转换,通过将表示特定颜色的区域的键信号相乘产生的校正信号与其中整个图像是颜色的图像数据相加 以第一种颜色转换方式转换。 键信号发生电路从提供给第一颜色转换电路的图像数据产生键信号。