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1. 发明授权

US5933528A Image processing apparatus 失效
标题翻译：图像处理装置
公开(公告)号：US5933528A
公开(公告)日：1999-08-03
申请号：US9901
申请日：1993-01-26
申请人： Akihiro Katayama , Yoshihiro Ishida , Junichi Yamakawa
发明人： Akihiro Katayama , Yoshihiro Ishida , Junichi Yamakawa
IPC分类号： G06T5/00 , G06K9/48
CPC分类号： G06T7/0083
摘要： An image processing apparatus of this invention reads raster-scanning type binary image data, and causes an outline extraction unit to extract outline vectors of an image. When a white raster detection unit detects that one raster data consists of all white pixels, it supplies the detection result to the outline extraction unit. Upon reception of this detection result, the outline extraction unit outputs the outline vectors extracted so far as a group of data to an outline smoothing & enlarging/compressing unit as a processing unit for executing outline smoothing processing or enlarging/compressing processing. In this manner, since this invention processes an image as a group of data divided in units of white rasters, advantages such as a decrease in required memory capacity can be expected.
摘要翻译：本发明的图像处理装置读取光栅扫描型二进制图像数据，并使轮廓提取单元提取图像的轮廓矢量。当白光栅检测单元检测到一个光栅数据由所有白色像素组成时，它将检测结果提供给轮廓提取单元。在接收到该检测结果时，轮廓提取单元将作为一组数据提取的轮廓向量输出到轮廓平滑放大/压缩单元，作为用于执行轮廓平滑处理或放大/压缩处理的处理单元。以这种方式，由于本发明将图像处理为以白色光栅为单位划分的一组数据，因此可以期望诸如所需存储容量的降低等优点。

2. 发明授权

US5748777A Apparatus and method for extracting outline data and encoding image data using the outline data 失效
标题翻译：使用轮廓数据提取轮廓数据和编码图像数据的装置和方法
公开(公告)号：US5748777A
公开(公告)日：1998-05-05
申请号：US377509
申请日：1995-01-24
申请人： Akihiro Katayama , Yoshihiro Ishida , Junichi Yamakawa
发明人： Akihiro Katayama , Yoshihiro Ishida , Junichi Yamakawa
IPC分类号： G06K9/48 , G06K9/50 , G06T5/00 , G06T9/20 , G06K9/52
CPC分类号： G06K9/481 , G06K9/50 , G06T7/0083 , G06T9/20 , G06T2207/10008 , G06T2207/30176
摘要： An outline extraction method and apparatus which extracts a line of interest from image data in order of raster scanning and detects outline vectors of the pixels in the line of interest. The detected outline vectors are sequentially stored in a memory, a state of connection between the stored outline vectors and the other outline vectors in the line of interest is determined, and the outline of the image data is extracted based on the state. Accordingly, coordinates of an intersecting point of the outline of the image data with the coordinate axis of the outline vector is obtained and the image data is coded by generating coded data indicating a white run length and black run length for every line from the coordinates of the intersecting point.
摘要翻译：一种轮廓提取方法和装置，其以光栅扫描的顺序从图像数据中提取感兴趣的行，并检测所关注线中的像素的轮廓向量。检测到的轮廓矢量被顺序地存储在存储器中，确定存储的轮廓矢量与感兴趣线中的其它轮廓矢量之间的连接状态，并根据状态提取图像数据的轮廓。因此，获得图像数据的轮廓与轮廓矢量的坐标轴的交点的坐标，并且通过从坐标系的坐标生成表示每行的白色行程长度和黑色行程长度的编码数据来编码图像数据相交点。

3. 发明授权

US5515179A Image processing of isolated pixels, and method, apparatus and facsimile incorporating such processing 失效
标题翻译：孤立像素的图像处理，以及包含这种处理的方法，装置和传真
公开(公告)号：US5515179A
公开(公告)日：1996-05-07
申请号：US171176
申请日：1993-12-22
申请人： Junichi Yamakawa , Yoshihiro Ishida
发明人： Junichi Yamakawa , Yoshihiro Ishida
IPC分类号： G09G5/36 , G06T3/00 , G06T3/40 , G06T9/20 , H04N1/40
CPC分类号： G06T9/20
摘要： Outline vectors representing an arrangement of pixels of a binary image obtained by a binary image obtaining unit are extracted by an outline extractor. From the extracted outline vector, isolated points are extracted. These isolated points are stored in an isolated point data generator 7 as information indicative of the position of isolated point. The outline vectors other than the isolated points are stored in the vector generator 3 as vector data. When a binary image is reproduced, the stored position information of the isolated points is developed to produce vector data by the isolated point data developer 8. Accordingly, since the isolated points are stored not in the form of outline vectors, but position information, the storage capacity for storing the outline vectors can be small. This construction is effective in halftone image in particular.
摘要翻译：表示由二值图像获取单元获得的二进制图像的像素排列的轮廓矢量由轮廓提取器提取。从提取的轮廓矢量中提取孤立点。这些隔离点被存储在隔离点数据生成器7中，作为指示孤立点的位置的信息。除了孤立点之外的轮廓矢量作为向量数据存储在矢量生成器3中。当再现二进制图像时，隔离点的存储位置信息被开发以通过孤立点数据显影器8产生矢量数据。因此，由于孤立点不是以轮廓矢量的形式存储，而是存储位置信息，用于存储轮廓矢量的存储容量可以很小。这种结构特别适用于半色调图像。

4. 发明授权

US06185341B2 Image processing using vector data to reduce noise 失效
标题翻译：使用矢量数据进行图像处理，以减少噪点
公开(公告)号：US06185341B2
公开(公告)日：2001-02-06
申请号：US08278986
申请日：1994-07-21
申请人： Yoshihiro Ishida , Akihiro Katayama , Junichi Yamakawa
发明人： Yoshihiro Ishida , Akihiro Katayama , Junichi Yamakawa
IPC分类号： G06K940
CPC分类号： G06T9/20
摘要： In an image processing method, contours of an image are represented in the form of vector coordinates, and calculation processing is performed based on the vector coordinate representation. In the method, noise present within the original image from which the vector coordinates are extracted is removed in the form of vector data.
摘要翻译：在图像处理方法中，图像的轮廓以矢量坐标的形式表示，并且基于矢量坐标表示执行计算处理。在该方法中，以向量数据的形式除去存在于提取矢量坐标的原始图像内的噪声。

5. 发明授权

US5878161A Image processing using vector data to reduce noise 失效
标题翻译：使用矢量数据进行图像处理，以减少噪点
公开(公告)号：US5878161A
公开(公告)日：1999-03-02
申请号：US442560
申请日：1995-05-16
申请人： Yoshihiro Ishida , Akihiro Katayama , Junichi Yamakawa
发明人： Yoshihiro Ishida , Akihiro Katayama , Junichi Yamakawa
IPC分类号： G09G5/24 , G06T3/00 , G06T3/40 , G06T5/30 , G06T9/20 , G06T11/20 , G09G5/36 , G06K9/00
CPC分类号： G06T9/20
摘要： In an image processing method, contours of an image are represented in the form of vector coordinates, and calculation processing is performed based on the vector coordinate representation. In the method, noise present within the original image from which the vector coordinates are extracted is removed in the form of vector data.
摘要翻译：在图像处理方法中，图像的轮廓以矢量坐标的形式表示，并且基于矢量坐标表示执行计算处理。在该方法中，以向量数据的形式除去存在于提取矢量坐标的原始图像内的噪声。

6. 发明授权

US5757961A Image processing method and apparatus for obtaining a zoom image using contour information of a binary image 失效
标题翻译：使用二值图像的轮廓信息获得变焦图像的图像处理方法和装置
公开(公告)号：US5757961A
公开(公告)日：1998-05-26
申请号：US475451
申请日：1995-06-07
申请人： Junichi Yamakawa , Yoshihiro Ishida , Akihiro Katayama
发明人： Junichi Yamakawa , Yoshihiro Ishida , Akihiro Katayama
IPC分类号： G06T5/00 , G06K9/48
CPC分类号： G06T7/0083 , G06T3/403 , G06T2207/10008
摘要： Contour vectors are detected by an outline detecting unit based upon a pixel of interest and pixels adjacent thereto read in a raster scanning sequence. A vector-data creating unit receives the contour vector and input data, calculates the difference between starting-point coordinates of continuous vectors, fits the value of the difference in a data packet whose number of digits conforms to the value of the difference and stores the data packet. The data packet is additionally provided with a code representing the length of the packet. An outline smoothing/zooming unit returns the stored difference value to ordinary coordinate expression and performs smoothing or zooming processing. A binary-image reproducing unit converts the contour vector into raster representation, and the resulting data is outputted. The acquisition unit and the extraction unit or creating unit eliminate unnecessary vectors and perform smoothing by an outline (vector sensing/elimination) smoothing and zooming unit. By virtue of this arrangement, the amount of contour-line data is reduced to reduce the memory capacity needed. Further, in a case where contour points of a binary image are delivered to immediately following processing, it is possible to greatly reduce the load of subsequent processing.
摘要翻译：轮廓矢量由轮廓检测单元基于感兴趣的像素和与其相邻的像素以光栅扫描序列读取。向量数据生成单元接收轮廓矢量和输入数据，计算连续矢量的起点坐标之间的差异，将数据分组的差数值适合于数字数据符合差分值的数据分组，并存储数据包。数据分组另外提供代表分组长度的代码。轮廓平滑/缩放单元将存储的差分值返回到普通坐标表达式并执行平滑或缩放处理。二进制图像再现单元将轮廓矢量转换为光栅表示，并输出结果数据。采集单元和提取单元或创建单元消除不必要的矢量并通过轮廓（矢量感测/消除）平滑和变焦单元执行平滑。通过这种布置，轮廓线数据的量被减少以减少所需的存储器容量。此外，在二进制图像的轮廓点被输送到紧接着的处理的情况下，可以大大降低后续处理的负担。

7. 发明授权

US5579405A Method and apparatus for contour vector image processing 失效
标题翻译：轮廓矢量图像处理方法和装置
公开(公告)号：US5579405A
公开(公告)日：1996-11-26
申请号：US561154
申请日：1995-11-21
申请人： Yoshihiro Ishida , Akihiro Katayama , Junichi Yamakawa
发明人： Yoshihiro Ishida , Akihiro Katayama , Junichi Yamakawa
IPC分类号： H04N1/393 , G06T3/00 , G06T3/40 , G06T5/00 , G06T7/60 , G06K9/48
CPC分类号： G06T3/403 , G06T7/0083
摘要： A method and an apparatus for forming an image by contour vector processing includes scanning a pixel along an edge of the image formed by pixels having a first pixel state and pixels having a second pixel state, discriminating one pixel state of the scanned pixel, and determining the pixel states of pixels bordering the discriminated pixel in the case the discriminated pixel has a first pixel state. Contour vectors are extracted between the discriminated pixel having the first pixel state and pixels having a second pixel state bordering the discriminated pixel which are closer to the discriminated pixel than to the bordering pixels, and outputting the extracted contour vectors to form the image.
摘要翻译：一种用于通过轮廓矢量处理形成图像的方法和装置包括沿着由具有第一像素状态的像素形成的图像的边缘扫描像素，以及识别扫描像素的一个像素状态，以及确定在鉴别像素具有第一像素状态的情况下，与识别像素相邻的像素的像素状态。在具有第一像素状态的识别像素和具有与识别像素接近的识别像素的第二像素状态的像素相比边界像素提取轮廓矢量，并且输出提取的轮廓矢量以形成图像。

8. 发明授权

US5561534A 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：US5561534A
公开(公告)日：1996-10-01
申请号：US912970
申请日：1992-07-10
申请人： Yoshihiro Ishida , Kunihiro Yamamoto , Junichi Yamakawa
发明人： Yoshihiro Ishida , Kunihiro Yamamoto , Junichi Yamakawa
IPC分类号： G06T11/40 , G06K9/00
CPC分类号： G06T11/40
摘要： This invention provides an image processing method and apparatus. According to this invention, contour line data when viewed from a the main scan direction are generated on the basis of the connection relationship between a target line element and adjacent line elements before and after the target line element in one direction of continuous line elements, and a direction of an area to be painted out. It is then set that a pixel position of an odd-numbered contour encountered in a scan operation in the main scan direction indicates a forward rotation position of the area, and that an adjacent pixel position in the main scan direction of an even-numbered contour encountered in the scan operation indicates a reverse rotation position of the area. Thereafter, it is discriminated that a portion between an odd-numbered contour position, when viewed from a scan direction on each scan line, to a pixel position immediately before an even-numbered contour position is a portion inside the area of a closed figure, and remaining portions are outside the area of the closed figure.
摘要翻译：本发明提供一种图像处理方法和装置。根据本发明，从主扫描方向观察时的轮廓线数据是基于目标线元素和连续线元素的一个方向上的目标线元素之前和之后的相邻线元素之间的连接关系生成的，以及要画出的区域的方向。然后，设置在主扫描方向上的扫描操作中遇到的奇数轮廓的像素位置表示该区域的正向旋转位置，并且在偶数轮廓的主扫描方向上的相邻像素位置在扫描操作中遇到的表示该区域的反转位置。此后，鉴别出从奇数轮廓位置，当从每个扫描线上的扫描方向观察到紧邻偶数轮廓位置之前的像素位置之间的部分是闭合图形的区域内的部分时，并且剩余部分在封闭图形的区域之外。

9. 发明授权

US08582921B2 Figure processing apparatus, figure processing method, and storage medium 有权
标题翻译：图形处理装置，图形处理方法和存储介质
公开(公告)号：US08582921B2
公开(公告)日：2013-11-12
申请号：US13278544
申请日：2011-10-21
申请人： Yoshihiro Ishida
发明人： Yoshihiro Ishida
IPC分类号： G06K9/32
CPC分类号： G06T9/20
摘要： When an image including a composite figure made of a predefined figure and a free-form figure is scanned, the position and shape of the free-form figure and the predefined figure are appropriately adjusted. The composite figure is separated into a predefined figure and a free-form figure. With respect to the separated predefined figure, a representative point is set at a predetermined position according to the type of the predefined figure and a representative point is set for the free-form figure based on a criterion according to a type of the free-form figure. If the representative point of a predefined figure is in the vicinity of the representative point of the free-form figure, the free-form figure is corrected based on the position of the representative point of the free-form figure and the position of the representative point of the predefined figure.
摘要翻译：当扫描包括由预定义图形和自由形状图形构成的复合图形的图像时，适当地调整自由形状图形和预定义图形的位置和形状。复合图被分成预定义的图形和自由形状的图形。对于分离的预定义图形，根据预定义图形的类型将代表点设置在预定位置，并且基于根据自由形式的类型的标准为自由形状图设置代表点数字。如果预定义数字的代表点在自由形式数字的代表点附近，则自由形式数字将根据自由形式数字的代表点的位置和代表的位置进行更正点的预定义图。

10. 发明授权

US08417029B2 Image processing apparatus and method, including fill-up processing 有权
标题翻译：图像处理装置和方法，包括填充处理
公开(公告)号：US08417029B2
公开(公告)日：2013-04-09
申请号：US12489986
申请日：2009-06-23
申请人： Yoshihiro Ishida , Tomotoshi Kanatsu , Taeko Yamazaki , Naoki Ito
发明人： Yoshihiro Ishida , Tomotoshi Kanatsu , Taeko Yamazaki , Naoki Ito
IPC分类号： G06K9/00 , G06K9/36
CPC分类号： H04N1/41 , G06K9/00456 , G06T7/11 , G06T2207/10008
摘要： An image in which at least one color component among a plurality of color components in an input color image has a resolution lower than that of the other color components is held as a base image. A rectangular region that includes an object image is extracted, a region of the object image and a region of a background image are specified in the rectangular region, and fill-up processing of the specified object image is executed in the base image. Fill-up processing executed at a boundary between the object image and the base image differs from fill-up processing executed at a boundary between the object image and the background image.
摘要翻译：其中输入彩色图像中的多个颜色分量中的至少一个颜色分量的分辨率低于其它颜色分量的分辨率的图像被保持为基本图像。提取包括对象图像的矩形区域，在矩形区域中指定对象图像的区域和背景图像的区域，并且在基本图像中执行指定对象图像的填充处理。在对象图像和基本图像之间的边界处执行的填充处理不同于在对象图像和背景图像之间的边界处执行的填充处理。

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