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1. 发明授权

US5581359A Image processing apparatus and method 失效
标题翻译：图像处理装置及方法
公开(公告)号：US5581359A
公开(公告)日：1996-12-03
申请号：US312937
申请日：1994-09-30
申请人： Hiroshi Kaburagi , Hiroyuki Ichikawa , Hideaki Shimizu , Hiroyuki Yaguchi , Yoshinori Abe , Yasuhiro Takiyama
发明人： Hiroshi Kaburagi , Hiroyuki Ichikawa , Hideaki Shimizu , Hiroyuki Yaguchi , Yoshinori Abe , Yasuhiro Takiyama
IPC分类号： H04N1/56 , G03G15/20 , H04N1/21 , H04N1/46
CPC分类号： H04N1/56
摘要： A two-color separating circuit separates an input image signal into two color signals R and K. In conformity with a color signal indicating the maximum value of the separated color signals, a color-mixture correcting circuit corrects the other color signal. The density of the color pixel formed by the corrected color signal is predicted, and the difference between the result of prediction and the color signal before correction is distributed among pixels of the same color surrounding this pixel. Accordingly, it is possible to provide an image processing apparatus for supplying an image forming apparatus, which collectively forms images of two colors, with an image signal subjected to processing capable of performing excellent color mixing without lowering the density of whichever of the two color-component images is formed last.
摘要翻译：双色分离电路将输入图像信号分离为两个颜色信号R和K.根据表示分离的颜色信号的最大值的颜色信号，颜色混合校正电路校正另一种颜色信号。预测由校正的颜色信号形成的彩色像素的浓度，并且将预测结果与校正前的颜色信号之间的差分布在围绕该像素的相同颜色的像素之间。因此，可以提供一种图像处理装置，用于提供一种图像形成装置，它们共同形成两种颜色的图像，具有经受能够进行优异的混色的处理的图像信号，而不降低两种颜色的两者之一的浓度。最后形成分量图像。

2. 发明授权

US5680230A Image processing method and apparatus thereof 失效
标题翻译：图像处理方法及其装置
公开(公告)号：US5680230A
公开(公告)日：1997-10-21
申请号：US301595
申请日：1994-09-07
申请人： Hiroshi Kaburagi , Hiroyuki Ichikawa , Hideaki Shimizu , Masao Watanabe , Hiroyuki Yaguchi , Yoshinori Abe , Yasuhiro Takiyama
发明人： Hiroshi Kaburagi , Hiroyuki Ichikawa , Hideaki Shimizu , Masao Watanabe , Hiroyuki Yaguchi , Yoshinori Abe , Yasuhiro Takiyama
IPC分类号： H04N1/56 , H04N1/60 , H04N1/40
CPC分类号： H04N1/60 , H04N1/56
摘要： The present invention is intended to provide an image processing apparatus capable of two-color output representation in high accuracy even with a full-colored original. A color original is entered by an input means for prescan, a density distribution with respect to a hue is obtained for each electric signal of color image information, and a characteristic point of the color original image is obtained from the result of the density distribution. The two-color separation means separates a full-colored original to two colors free from the same color representation according to the information of the characteristic point obtained.
摘要翻译：本发明旨在提供即使使用全色原稿也能够以高精度进行双色输出表示的图像处理装置。通过预扫描器的输入装置输入彩色原稿，对于彩色图像信息的每个电信号获得相对于色相的浓度分布，并且从密度分布的结果中获得彩色原始图像的特征点。双色分离装置根据获得的特征点的信息将全色原稿分离成不具有相同颜色表示的两种颜色。

3. 发明授权

US5848320A Copying apparatus capable of handling original having protruding portion 失效
标题翻译：能够处理具有突出部分的原稿的复印装置
公开(公告)号：US5848320A
公开(公告)日：1998-12-08
申请号：US623382
申请日：1996-03-27
申请人： Masatoshi Yaginuma , Shizuo Hasegawa , Hiroyuki Ichikawa , Hideaki Shimizu , Masao Watanabe , Hiroyuki Yaguchi , Atsushi Matsumoto , Yoshinori Abe , Hiroshi Kaburagi , Yasuhiro Takiyama , Hirokazu Kodama
发明人： Masatoshi Yaginuma , Shizuo Hasegawa , Hiroyuki Ichikawa , Hideaki Shimizu , Masao Watanabe , Hiroyuki Yaguchi , Atsushi Matsumoto , Yoshinori Abe , Hiroshi Kaburagi , Yasuhiro Takiyama , Hirokazu Kodama
IPC分类号： G03G15/00 , H04N1/32
CPC分类号： G03G15/5095 , G03G15/6508 , H04N1/233 , H04N1/2338 , H04N1/2353 , H04N1/32561 , G03G2215/00447 , G03G2215/00523
摘要： A copying apparatus includes a first cassette for stacking recording sheets each having a protruding portion, a second cassette for stacking recording sheets having no protruding portion, a detecting unit for detecting a protruding portion of an original to be copied, and a copy unit for copying an image of an original onto the recording sheet fed from the first cassette in the case where the protruding portion of the original is detected by the detecting unit and for copying the image of the original onto the recording sheet fed from the second cassette in the case where the protruding portion of the original is not detected by the detecting unit.
摘要翻译：复印装置包括：第一盒，用于堆叠具有突出部分的记录纸;第二盒，用于堆叠没有突出部分的记录纸;检测单元，用于检测待复制的原稿的突出部分;以及复印单元，用于复印在原稿的突出部分被检测单元检测到并且将原稿的图像复制到从第二盒中进给的记录纸上的情况下，将原稿的图像从第一盒馈送到记录纸上，其中检测单元未检测到原稿的突出部分。

4. 发明授权

US5650862A Image signal processing apparatus with improved pixel parallel/line parallel conversion 失效
标题翻译：具有改进的像素并行/线并行转换的图像信号处理装置
公开(公告)号：US5650862A
公开(公告)日：1997-07-22
申请号：US502763
申请日：1995-07-14
申请人： Hideaki Shimizu , Masahiro Funada , Ryosuke Miyamoto , Hiroyuki Ichikawa , Masanori Sakai , Hiroyuki Yaguchi , Yasuhiro Takiyama , Tadashi Takahashi
发明人： Hideaki Shimizu , Masahiro Funada , Ryosuke Miyamoto , Hiroyuki Ichikawa , Masanori Sakai , Hiroyuki Yaguchi , Yasuhiro Takiyama , Tadashi Takahashi
IPC分类号： G06T1/00 , H04N1/40
CPC分类号： G06T1/00
摘要： An image signal processing apparatus includes an input unit for inputting an image signal for each of at least one input line, and a conversion unit for converting the input image signal for each input line into parallel converted image signals for a plurality of output lines and for outputting the converted image signals. A processing unit is then provided for performing image processing for each of the converted image signals for the plurality of output lines.
摘要翻译：图像信号处理装置包括用于输入至少一个输入线中的每一个的图像信号的输入单元和用于将每个输入线的输入图像信号转换为用于多个输出线的并行转换图像信号的转换单元，输出转换的图像信号。然后提供处理单元，用于对多个输出行的每个转换图像信号执行图像处理。

5. 发明授权

US5777759A Image processing method and apparatus 失效
标题翻译：图像处理方法和装置
公开(公告)号：US5777759A
公开(公告)日：1998-07-07
申请号：US637442
申请日：1996-04-25
申请人： Hiroshi Kaburagi , Hiroyuki Ichikawa
发明人： Hiroshi Kaburagi , Hiroyuki Ichikawa
IPC分类号： H04N1/40 , H04N1/405 , H04N1/21
CPC分类号： H04N1/4058 , H04N1/40087
摘要： An image processing apparatus includes an input unit for inputting image information, and a conversion unit for comparing the input image information with a plurality of threshold values and converting the input image information into data of three or more levels, wherein the conversion unit converts the input image information so as to form a dot at the central area of a screen mask if the input image information is low in density, and converts the input image information so as to form dots at the whole area of a screen mask if the input image information is middle and high in density.
摘要翻译：一种图像处理装置，包括用于输入图像信息的输入单元，以及用于将输入图像信息与多个阈值进行比较并将输入图像信息转换为三个或更多个水平的数据的转换单元，其中转换单元将输入如果输入图像信息密度低，则在屏幕掩码的中心区域形成点，并且如果输入图像信息在输入图像信息的整个区域上形成点，则转换输入图像信息中密度高。

6. 发明授权

US5805738A Image processing apparatus and method 失效
标题翻译：图像处理装置及方法
公开(公告)号：US5805738A
公开(公告)日：1998-09-08
申请号：US770801
申请日：1996-12-20
申请人： Hiroshi Kaburagi , Shigeo Yamagata , Hiroyuki Ichikawa
发明人： Hiroshi Kaburagi , Shigeo Yamagata , Hiroyuki Ichikawa
IPC分类号： H04N1/405 , H04N1/41 , G06K9/36 , G06K9/38
CPC分类号： H04N1/4053
摘要： Upon gradation converting input m-bit image information into n-bit image information (m and n are integers; m>n), random numbers, the maximum values of which are changed in accordance with the input values of the m-bit image information, are generated at periods of two or more pixels, and the random numbers are selectively output while switching their signs to positive/negative within the period of two or more pixels. The output signal values and the input values of the m-bit image information are added to each other, and the sum signal values are converted into n-values by a density preservation type quantization method. With this control, the problems of sweeping, texture, and the like of the conventional density preservation type quantization method can be solved without emphasizing the granularity of an image.
摘要翻译：在将输入m位图像信息灰度转换为n位图像信息（m和n是整数; m> n）时，其最大值根据m位图像信息的输入值而改变在两个或更多个像素的周期产生，并且随机数被选择性地输出，同时在两个或更多像素的周期内将其符号切换为正/负。输出信号值和m位图像信息的输入值相加，并且通过密度保持型量化方法将和信号值转换成n值。通过该控制，可以解决传统的密度保持型量化方法的扫描，纹理等问题，而不强调图像的粒度。

7. 发明授权

US5691827A Image processing apparatus for converting a color image into a pattern image with a line having a width which is equal to or less than a predetermined width not being converted 失效
标题翻译：图像处理装置，用于将彩色图像转换成具有宽度等于或小于未被转换的预定宽度的线的图案图像
公开(公告)号：US5691827A
公开(公告)日：1997-11-25
申请号：US433201
申请日：1995-05-02
申请人： Masafumi Kamei , Yoshiyuki Suzuki , Shizuo Hasegawa , Hiroyuki Ichikawa , Yoshihiro Funamizu , Akio Itoh , Yoshinori Abe
发明人： Masafumi Kamei , Yoshiyuki Suzuki , Shizuo Hasegawa , Hiroyuki Ichikawa , Yoshihiro Funamizu , Akio Itoh , Yoshinori Abe
IPC分类号： H04N1/40 , H04N1/405 , H04N1/56
CPC分类号： H04N1/40093 , H04N1/40012
摘要： An image processing apparatus for converting color images into monochromatic pattern images. The image processing apparatus includes: means for detecting the area of a color image; means for converting a color image into a monochromatic pattern image; and control means for varying such image processing in accordance with the result of detection made by the means for detecting the area. When a thin line is detected in a color area, the method of processing is determined based on the width of the detected thin line. For example, when the width of the thin line is smaller than a predetermined value, the area of such thin line may be outputted as a plain image instead of a pattern image so that it may easily be seen or recognized. The contour of a color area may be made conspicuous by combining a plain image and a pattern image.
摘要翻译：一种用于将彩色图像转换成单色图案图像的图像处理装置。图像处理装置包括：用于检测彩色图像的区域的装置; 用于将彩色图像转换为单色图案图像的装置; 以及用于根据用于检测该区域的装置进行的检测结果来改变这种图像处理的控制装置。当在颜色区域中检测到细线时，基于检测到的细线的宽度来确定处理方法。例如，当细线的宽度小于预定值时，可以将这种细线的面积作为平面图像而不是图案图像输出，以便容易地看到或识别。可以通过组合平面图像和图案图像来使颜色区域的轮廓变得显眼。

8. 发明授权

US5748773A Image processing apparatus 失效
标题翻译：图像处理装置
公开(公告)号：US5748773A
公开(公告)日：1998-05-05
申请号：US343885
申请日：1994-11-17
申请人： Hirohiko Tashiro , Yoshiyuki Suzuki , Hiroyuki Ichikawa , Satoru Kutsuwada , Akio Itoh , Yoshinori Abe
发明人： Hirohiko Tashiro , Yoshiyuki Suzuki , Hiroyuki Ichikawa , Satoru Kutsuwada , Akio Itoh , Yoshinori Abe
IPC分类号： G06T5/40 , H04N1/407 , G06K9/00
CPC分类号： G06T5/009 , G06T5/40 , H04N1/4074 , H04N1/4078
摘要： An image processing apparatus having a first mode for processing electrical signals by a pre-scan operation and a second mode for processing electrical signals by a main scan operation. The first mode forms a histogram on the basis of electrical signals obtained by the pre-scan operation, and detects predetermined feature points from the formed histogram. A table is formed for converting signal levels of the electrical signals according to the detected predetermined feature points of the histogram based on the image type of the original. The second mode generates reproduction signals from electrical signals obtained by the main scan operation in accordance with the table.
摘要翻译：一种具有通过预扫描操作处理电信号的第一模式和通过主扫描操作处理电信号的第二模式的图像处理装置。第一模式基于通过预扫描操作获得的电信号形成直方图，并且从形成的直方图检测预定的特征点。基于原稿的图像类型，形成用于根据检测到的直方图的预定特征点来转换电信号的信号电平的表格。第二模式根据该表从通过主扫描操作获得的电信号产生再现信号。

9. 发明授权

US5444556A Image forming apparatus for forming a pattern image corresponding to a color of an imput image 失效
标题翻译：用于形成与输入图像的颜色对应的图案图像的图像形成装置
公开(公告)号：US5444556A
公开(公告)日：1995-08-22
申请号：US328345
申请日：1994-10-21
申请人： Akio Ito , Hiroyuki Ichikawa , Yoshinori Abe
发明人： Akio Ito , Hiroyuki Ichikawa , Yoshinori Abe
IPC分类号： H04N9/43 , G03G15/01 , G06T1/00 , H04N1/46 , H04N1/60 , H04N1/62 , H04N1/50 , H04N1/56
CPC分类号： H04N1/62
摘要： An image forming apparatus includes an input unit, a color discriminating unit, a pattern generating unit, and an image forming unit. The input unit inputs an image having a plurality of colors. The discriminating unit discriminates the colors of the image input from the input unit. The pattern generating unit generates a pattern image in accordance with the discrimination result obtained by the discriminating unit. The image forming unit forms the pattern image, generated by the pattern generating unit, on a recording medium. The image forming unit forms the pattern image in different colors in accordance with the discrimination result obtained by the discriminating unit.
摘要翻译：图像形成装置包括输入单元，颜色识别单元，图案生成单元和图像形成单元。输入单元输入具有多种颜色的图像。鉴别单元鉴别从输入单元输入的图像的颜色。图案生成单元根据鉴别单元获得的识别结果生成图案图像。图像形成单元在记录介质上形成由图案生成单元生成的图案图像。图像形成单元根据鉴别单元获得的鉴别结果，形成不同颜色的图案图像。

10. 发明授权

US5612793A Image processing apparatus and method which performs patterning of color data to generate a pattern image 失效
标题翻译：执行彩色数据图案化以生成图案图像的图像处理装置和方法
公开(公告)号：US5612793A
公开(公告)日：1997-03-18
申请号：US609864
申请日：1996-03-04
申请人： Akio Ito , Hiroyuki Ichikawa , Yoshinori Abe , Shoji Miyake
发明人： Akio Ito , Hiroyuki Ichikawa , Yoshinori Abe , Shoji Miyake
IPC分类号： H04N9/43 , H04N1/64 , H04N1/56 , H04N1/46
CPC分类号： H04N1/644
摘要： An image processing apparatus includes an image processing unit, a counter, and a determining unit. The image processing unit processes image data between first and second color values of an input image. The counter counts generation frequencies of the respective color values of the input image. The determining unit determines the first and second color values on the basis of the count result obtained by the counter.
摘要翻译：图像处理装置包括图像处理单元，计数器和确定单元。图像处理单元处理输入图像的第一和第二颜色值之间的图像数据。计数器计数输入图像的各颜色值的生成频率。确定单元基于由计数器获得的计数结果来确定第一和第二颜色值。

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