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1. 发明授权

US08363080B2 Multi-beam image forming apparatus and image forming method using the same 有权
标题翻译：多光束图像形成装置及使用其的图像形成方法
公开(公告)号：US08363080B2
公开(公告)日：2013-01-29
申请号：US12692736
申请日：2010-01-25
申请人： Sang-Youn Shin
发明人： Sang-Youn Shin
IPC分类号： B41J2/435
CPC分类号： B41J2/473
摘要： A multi-beam image forming apparatus and a method using the same. The image forming apparatus includes: an image process module to divide first image data into a plurality of second image data; a light scanning unit to scan the plurality of second image data using a plurality of laser beams; and a controller to control the formation of an electrostatic latent image of the first image data on a photosensitive body in an overlapping manner, using at least two of the plurality of laser beams.
摘要翻译：一种多光束图像形成装置及其使用方法。图像形成装置包括：图像处理模块，用于将第一图像数据分割成多个第二图像数据; 光扫描单元，使用多个激光束扫描多个第二图像数据; 以及控制器，使用多个激光束中的至少两个，以重叠的方式控制在感光体上形成第一图像数据的静电潜像。

2. 发明授权

US08199363B2 Image processing using hybrid lookup table 失效
标题翻译：使用混合查找表的图像处理
公开(公告)号：US08199363B2
公开(公告)日：2012-06-12
申请号：US11782091
申请日：2007-07-24
申请人： Woo-jun Chung , Sang-youn Shin , Choon-woo Kim , Byong-tae Ryu , Jong-ok Lee
发明人： Woo-jun Chung , Sang-youn Shin , Choon-woo Kim , Byong-tae Ryu , Jong-ok Lee
IPC分类号： G06K15/00 , G06K9/36 , H04N1/40
CPC分类号： H04N1/40075 , H04N1/40068
摘要： An image processing method and an image processing apparatus converts a binary image into a grayscale image by increasing the size and information quantity of the binary image. The image processing method includes generating a plurality of lookup tables having multiple gray level values assigned to a predetermined pattern of the binary image such that the gray level is retrieved from the plurality of lookup tables depending on the context of the block being processed. The binary image may be converted into the grayscale image by applying the gray value of one of the plurality of lookup tables that corresponds to the context, such as the frequency components of the binary image. With this configuration, since the size and information quantity of an image can be reduced for transmission, it is possible to prevent deterioration of image quality when the image is restored, while also printing at a higher speed.
摘要翻译：图像处理方法和图像处理装置通过增加二值图像的大小和信息量将二进制图像转换成灰度图像。图像处理方法包括生成具有分配给二进制图像的预定图案的多个灰度值的多个查找表，使得根据正被处理的块的上下文从多个查找表中检索灰度级。可以通过应用与上下文相对应的多个查找表中的一个的灰度值，例如二进制图像的频率分量，将二进制图像转换成灰度图像。利用这种配置，由于可以减小图像的尺寸和信息量以进行传输，所以可以防止当图像恢复时图像质量的劣化，同时也以更高的速度进行打印。

3. 发明申请

US20090021792A1 IMAGE FORMING APPARATUS AND IMAGE QUALITY ENHANCEMENT METHOD THEREOF 有权
标题翻译：图像形成装置和图像质量增强方法
公开(公告)号：US20090021792A1
公开(公告)日：2009-01-22
申请号：US12023147
申请日：2008-01-31
申请人： Sang-youn SHIN
发明人： Sang-youn SHIN
IPC分类号： G06K15/00
CPC分类号： H04N1/4092 , H04N1/40075 , H04N1/405
摘要： An image forming apparatus provides enhancement of image quality. The image forming apparatus includes a window generating unit to generate a main window of a predetermined size using a Lines Per Inch (LPI) and an angle of a dithering mask, and to generate a plurality of subwindows within the generated main window, a determining unit to determine the presence of an edge area by applying the plurality of generated subwindows to a binary image and according to pixel values of the binary image that correspond to the subwindows, and a control unit to determine a dot size of a central reference pixel at the center of the main window, according to the presence and absence of the edge area. Because image quality is enhanced adaptively according to edge and smooth areas, print quality improves.
摘要翻译：图像形成装置提供图像质量的提高。图像形成装置包括：窗产生单元，用于使用每英寸行（LPI）和抖动掩模的角度来生成预定尺寸的主窗口，并且在所生成的主窗口内生成多个子窗口;确定单元通过将多个生成的子窗口应用于二进制图像并根据与子窗口相对应的二值图像的像素值来确定边缘区域的存在;以及控制单元，用于确定在该窗口中的中心参考像素的点大小中心的主窗口，根据有无边缘区域。因为图像质量根据边缘和平滑区域自适应增强，打印质量提高。

4. 发明申请

US20080174797A1 IMAGE FORMING DEVICE AND METHOD THEREOF 审中-公开
标题翻译：图像形成装置及其方法
公开(公告)号：US20080174797A1
公开(公告)日：2008-07-24
申请号：US11834093
申请日：2007-08-06
申请人： SANG-YOUN SHIN
发明人： SANG-YOUN SHIN
IPC分类号： G06F15/00
CPC分类号： H04N1/58
摘要： An image forming device includes an input unit to receive binary data for each color being input; a generation unit to generate an synthesis window, by applying a window of a predetermined size to each of the binary data for each color and synthesizing each window region; an image process unit to expand an image, by applying a plurality of sub windows to the synthesis window; and a control unit to detect an edge region of the expanded image, extract dots corresponding to the edge region from the binary data for each color, and carry out reinforcement or deletion of the dots. Accordingly, the quality of an image deteriorated by color disagreement is improved by software.
摘要翻译：图像形成装置包括：输入单元，用于接收输入的每种颜色的二进制数据; 生成单元，通过对每个颜色的每个二进制数据应用预定尺寸的窗口并合成每个窗口区域来生成合成窗口; 图像处理单元，通过将多个子窗口应用于合成窗口来展开图像; 以及控制单元，用于检测扩展图像的边缘区域，从每个颜色的二进制数据中提取与边缘区域相对应的点，并且执行点的加强或删除。因此，通过软件改善由颜色不一致而恶化的图像的质量。

5. 发明申请

US20060238604A1 Multi-beam image forming apparatus and image forming method using the same 有权
公开(公告)号：US20060238604A1
公开(公告)日：2006-10-26
申请号：US11294494
申请日：2005-12-06
申请人： Sang-Youn Shin
发明人： Sang-Youn Shin
IPC分类号： B41J2/47
CPC分类号： B41J2/473
摘要： A multi-beam image forming apparatus and a method using the same. The image forming apparatus includes: an image process module to divide first image data into a plurality of second image data; a light scanning unit to scan the plurality of second image data using a plurality of laser beams; and a controller to control the formation of an electrostatic latent image of the first image data on a photosensitive body in an overlapping manner, using at least two of the plurality of laser beams.

6. 发明授权

US08345312B2 Method of printing a text with an apparatus using channels 有权
标题翻译：使用渠道使用设备打印文本的方法
公开(公告)号：US08345312B2
公开(公告)日：2013-01-01
申请号：US13333379
申请日：2011-12-21
申请人： Sang Youn Shin
发明人： Sang Youn Shin
IPC分类号： H04N1/409
CPC分类号： G03G15/01 , G03G2215/0158 , G03G2215/047 , H04N1/4092 , H04N1/58 , H04N1/6022
摘要： A method of printing a text with an apparatus using channels is provided. The method includes determining whether print data corresponds to a specified text by determining similarities between channels of print data, and determining a degree of flatness of one of the channels, searching for a boundary area in the print data if the print data is determined to correspond to the specified text, and reducing some of the channels at the boundary area, and compensating for the one of the channels by a density of the reduced channels if the print data is determined to correspond to the specified text.
摘要翻译：提供了一种使用通道使用设备打印文本的方法。该方法包括：通过确定打印数据的通道之间的相似度确定打印数据是否对应于指定的文本，以及确定一个通道的平坦度，如果打印数据被确定为对应，则搜索打印数据中的边界区域并且减少边界区域中的一些信道，并且如果确定打印数据对应于指定的文本，则通过减少的信道的密度来补偿一个信道。

7. 发明授权

US08027064B2 Controlling color image formation by extending color channels based on boundary region information to compensate for mis-registration distortions 有权
标题翻译：通过基于边界区域信息扩展颜色通道来控制彩色图像形成，以补偿错误配准失真
公开(公告)号：US08027064B2
公开(公告)日：2011-09-27
申请号：US12038050
申请日：2008-02-27
申请人： Sang Youn Shin
发明人： Sang Youn Shin
IPC分类号： H04N1/58
CPC分类号： G03G15/5025 , G03G15/0173 , G03G2215/0158
摘要： A method of controlling a color image forming apparatus capable of preventing an image from being distorted at a boundary of a color image region due to mis-registration to improve printing quality. The method includes determining whether original image data is in a color image region, detecting boundary region information on a plurality of color channels when the original image data is in the color image region, selecting a channel to be extended using the detected boundary region information, and extending the selected channel.
摘要翻译：一种控制彩色图像形成装置的方法，该彩色图像形成装置能够防止图像由于误配准而在彩色图像区域的边界处失真，从而提高打印质量。该方法包括确定原始图像数据是否在彩色图像区域中，当原始图像数据在彩色图像区域中时检测多个颜色通道上的边界区域信息，使用检测到的边界区域信息选择要扩展的信道，并扩展选定的频道。

8. 发明申请

US20080193166A1 METHOD FOR CONTROLLING COLOR-IMAGE FORMING APPARATUS 有权
标题翻译：用于控制彩色图像形成装置的方法
公开(公告)号：US20080193166A1
公开(公告)日：2008-08-14
申请号：US12022389
申请日：2008-01-30
申请人： Sang Youn SHIN
发明人： Sang Youn SHIN
IPC分类号： G03G15/01
CPC分类号： G03G15/01 , G03G2215/0158 , G03G2215/047 , H04N1/4092 , H04N1/58 , H04N1/6022
摘要： A method of controlling a color image forming apparatus, the method including: reducing the C, M, and Y channels from the boundary area of the composite black text, thereby allowing only the K channel to be left on the outermost boundary of the composite black text; and compensating for the K channel by the density of the reduced C, M, and Y areas, so that image distortion generated at the boundary of the composite black text is compensated for, resulting in increased image quality of the printed image of the composite black text.
摘要翻译：一种控制彩色图像形成装置的方法，所述方法包括：从合成黑色文本的边界区域减少C，M和Y通道，从而仅允许K通道留在复合黑色的最外边界文本; 并且通过减小的C，M和Y区域的密度来补偿K通道，使得在复合黑色文本的边界处产生的图像失真被补偿，导致复合黑色的打印图像的图像质量增加文本。

9. 发明申请

US20050141037A1 Method and apparatus to enhance printing quality of laser printer 审中-公开
标题翻译：提高激光打印机打印质量的方法和装置
公开(公告)号：US20050141037A1
公开(公告)日：2005-06-30
申请号：US10981512
申请日：2004-11-05
申请人： Sang-youn Shin
发明人： Sang-youn Shin
IPC分类号： G06F3/12 , H04N1/405 , G06T5/00 , H04N1/409
CPC分类号： H04N1/4058
摘要： A method of and apparatus to enhance the printing quality of a laser printer, in which a window to define a binary image is generated using a plurality of Ipi values and angles of a dithering mask and the quality of a non-edge region is improved. The method of enhancing the printing quality of a laser printer using a 1-bit gray process includes: receiving a binary image, a dithering mask, and a plurality of values of Ipi and angles of the dithering mask, wherein Ipi indicates the number of lines per inch; generating a window having a size of N×N pixels considering the received values of Ipi and angles; determining whether a binary image of N×N pixels, which is defined by the window, is an edge region or not using the window and the dithering mask; and enhancing the quality of a binary image of N×N pixels determined to be a non-edge region. Using a plurality of Ipi values and angles of the dithering mask improves the quality of color images, which require several channels for printing.
摘要翻译：提高激光打印机的打印质量的方法和装置，其中使用多个Ipi值和抖动掩模的角度来产生定义二进制图像的窗口，并提高非边缘区域的质量。使用1位灰度处理来提高激光打印机的打印质量的方法包括：接收二进制图像，抖动掩码以及抖动掩模的Ipi和角度的多个值，其中Ipi表示行数每英寸考虑到Ipi和角度的接收值，生成具有N×N像素大小的窗口; 确定由窗口定义的N×N个像素的二进制图像是否是使用窗口和抖动掩模的边缘区域; 并且提高被确定为非边缘区域的N×N个像素的二值图像的质量。使用多个Ipi值和抖动掩模的角度提高了彩色图像的质量，这需要多个通道进行打印。

10. 发明申请

US20120162668A1 METHOD OF PRINTING A TEXT WITH AN APPARATUS USING CHANNELS 有权
标题翻译：使用通道打印设备的方法
公开(公告)号：US20120162668A1
公开(公告)日：2012-06-28
申请号：US13333379
申请日：2011-12-21
申请人： Sang Youn SHIN
发明人： Sang Youn SHIN
IPC分类号： G06K15/02
CPC分类号： G03G15/01 , G03G2215/0158 , G03G2215/047 , H04N1/4092 , H04N1/58 , H04N1/6022
摘要： A method of printing a text with an apparatus using channels is provided. The method includes determining whether print data corresponds to a specified text by determining similarities between channels of print data, and determining a degree of flatness of one of the channels, searching for a boundary area in the print data if the print data is determined to correspond to the specified text, and reducing some of the channels at the boundary area, and compensating for the one of the channels by a density of the reduced channels if the print data is determined to correspond to the specified text.
摘要翻译：提供了一种使用通道使用设备打印文本的方法。该方法包括：通过确定打印数据的通道之间的相似度确定打印数据是否对应于指定的文本，以及确定一个通道的平坦度，如果打印数据被确定为对应，则搜索打印数据中的边界区域并且减少边界区域中的一些信道，并且如果确定打印数据对应于指定的文本，则通过减少的信道的密度来补偿一个信道。

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