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1. 发明授权

US08414096B2 Scanner, image forming apparatus, and motor control method of scanner and image forming apparatus 有权
标题翻译：扫描仪，图像形成装置以及扫描器和图像形成装置的电动机控制方法
公开(公告)号：US08414096B2
公开(公告)日：2013-04-09
申请号：US12472573
申请日：2009-05-27
申请人： Jong-hyon Yi , Dane Baang , George Chiu , Moeed Mukhtar
发明人： Jong-hyon Yi , Dane Baang , George Chiu , Moeed Mukhtar
IPC分类号： B41J29/38
CPC分类号： B41J19/202
摘要： A scanner, an image forming apparatus and a motor control method of the scanner and the image forming apparatus. The motor control method includes scanning a test image formed on a document, calculating an actual speed of a scan head moved by the motor using the scanned test image, calculating a matrix representing a relation between a driving signal to drive the motor and the calculated actual speed of the scan head, and renewing the driving signal using an inverse matrix to the calculated matrix to correct the actual speed of the scan head.
摘要翻译：扫描仪，图像形成装置以及扫描仪和图像形成装置的电动机控制方法。电动机控制方法包括扫描在文件上形成的测试图像，使用扫描的测试图像计算由电动机移动的扫描头的实际速度，计算表示驱动电动机的驱动信号与计算的实际值之间的关系的矩阵扫描头的速度，并且使用逆矩阵更新驱动信号到所计算的矩阵，以校正扫描头的实际速度。

2. 发明授权

US07945100B2 Apparatus and method for detecting secure document 失效
标题翻译：用于检测安全文件的装置和方法
公开(公告)号：US07945100B2
公开(公告)日：2011-05-17
申请号：US11447883
申请日：2006-06-07
申请人： Jong-Hyon Yi
发明人： Jong-Hyon Yi
IPC分类号： G06K9/68
CPC分类号： G06K9/4652 , G06K9/6212 , H04N1/00843 , H04N1/00848 , H04N1/00875
摘要： An apparatus and method for detecting a secure document is provided. The apparatus includes an image input unit which receives the image of a document; an edge image detecting unit which detects an edge image of the document having a predetermined size; a similarity checking unit which checks the similarity between the detected edge image and comparative edge images of secure documents which are previously stored; and a document attribute determining unit which determines whether the document is one of the secure documents according to the result of the similarity checking unit.
摘要翻译：提供一种检测安全文件的装置和方法。该装置包括：图像输入单元，其接收文档的图像; 边缘图像检测单元，其检测具有预定大小的文档的边缘图像; 相似性检查单元，其检查检测到的边缘图像和预先存储的安全文档的比较边缘图像之间的相似度; 以及文档属性确定单元，其根据相似性检查单元的结果确定文档是否是安全文档之一。

3. 发明申请

US20100002032A1 SCANNER, IMAGE FORMING APPARATUS, AND MOTOR CONTROL METHOD OF SCANNER AND IMAGE FORMING APPARATUS 有权
标题翻译：扫描仪，图像形成装置和扫描仪和图像形成装置的电机控制方法
公开(公告)号：US20100002032A1
公开(公告)日：2010-01-07
申请号：US12472573
申请日：2009-05-27
申请人： Jong-hyon YI , Dane BAANG , George CHIU , Moeed MUKHTAR
发明人： Jong-hyon YI , Dane BAANG , George CHIU , Moeed MUKHTAR
IPC分类号： B41J29/38 , B41J23/02
CPC分类号： B41J19/202
摘要： A scanner, an image forming apparatus and a motor control method of the scanner and the image forming apparatus. The motor control method includes scanning a test image formed on a document, calculating an actual speed of a scan head moved by the motor using the scanned test image, calculating a matrix representing a relation between a driving signal to drive the motor and the calculated actual speed of the scan head, and renewing the driving signal using an inverse matrix to the calculated matrix to correct the actual speed of the scan head.
摘要翻译：扫描仪，图像形成装置以及扫描仪和图像形成装置的电动机控制方法。电动机控制方法包括扫描在文件上形成的测试图像，使用扫描的测试图像计算由电动机移动的扫描头的实际速度，计算表示驱动电动机的驱动信号与计算的实际值之间的关系的矩阵扫描头的速度，并且使用逆矩阵更新驱动信号到所计算的矩阵，以校正扫描头的实际速度。

4. 发明申请

US20060045341A1 Apparatus and method for high-speed character recognition 审中-公开
标题翻译：高速字符识别的装置和方法
公开(公告)号：US20060045341A1
公开(公告)日：2006-03-02
申请号：US11210905
申请日：2005-08-25
申请人： Jong-hyon Yi
发明人： Jong-hyon Yi
IPC分类号： G06K9/18
CPC分类号： G06K9/2054 , G06K2209/01
摘要： An apparatus and a method for high-speed character recognition are disclosed. The character recognition method includes receiving a bit-stream decoded base on a symbol matching encoding scheme where the bit-stream including a symbol dictionary and a symbol information which is information of symbols included in an original image; decoding the symbol dictionary included in the bit-stream; performing a character recognition process of each of plural of symbols included in the decoded symbol dictionary; decoding the symbol information after completing the character recognition process; and generating a text file of the original image by using the result of the character recognition process and the decoded symbol information.
摘要翻译：公开了一种用于高速字符识别的装置和方法。字符识别方法包括接收码元匹配编码方案的比特流解码基础，其中包括符号字典的比特流和作为包括在原始图像中的符号的信息的符号信息; 解码包含在比特流中的符号字典; 执行解码的符号字典中包含的多个符号中的每一个的字符识别处理; 在完成字符识别处理之后解码符号信息; 以及通过使用字符识别处理的结果和解码的符号信息来生成原始图像的文本文件。

5. 发明申请

US20050281463A1 Method and apparatus for processing binary image 审中-公开
标题翻译：用于处理二进制图像的方法和装置
公开(公告)号：US20050281463A1
公开(公告)日：2005-12-22
申请号：US11110790
申请日：2005-04-21
申请人： Jong-hyon Yi
发明人： Jong-hyon Yi
IPC分类号： G06K9/20 , G06K9/34 , H04N1/40 , H04N1/411
CPC分类号： G06K9/00456 , H04N1/40062 , H04N1/411
摘要： A method and an apparatus for processing a binary image are disclosed. The method comprises the steps of: a) dividing the binary image input from an image source into a plurality of image blocks; b) extracting feature information from each of the image blocks; and c) determining the type of images constructing each of the image blocks by using the extracted feature information. The compression rate of binary images is increased by using different compression algorithm according to classified images.
摘要翻译：公开了一种用于处理二进制图像的方法和装置。该方法包括以下步骤：a）将从图像源输入的二进制图像划分为多个图像块; b）从每个图像块中提取特征信息; 以及c）通过使用所提取的特征信息来确定构成每个图像块的图像的类型。根据分类图像，使用不同的压缩算法提高了二进制图像的压缩率。

6. 发明授权

US08588549B2 Image forming apparatus and de-skew method thereof 有权
标题翻译：图像形成装置及其去偏斜方法
公开(公告)号：US08588549B2
公开(公告)日：2013-11-19
申请号：US12659810
申请日：2010-03-22
申请人： Jong-hyon Yi
发明人： Jong-hyon Yi
IPC分类号： G06K9/36
CPC分类号： H04N1/00681 , H04N1/00005 , H04N1/00045 , H04N1/00082 , H04N1/00087 , H04N1/00718
摘要： A de-skew method of an image forming apparatus is provided which includes reading an image on a print medium fed through an automatic document feeder (ADF); detecting a leading edge of the print medium and calculating a skew angle of the read image; comparing the calculated skew angle to a first threshold and determining whether to perform a de-skew operation; and setting skew compensation levels based on the calculated skew angle and performing different de-skew operations according to the set skew compensation levels to output a de-skewed image when the absolute value of the calculated skew angle is equal to or greater than the first threshold.
摘要翻译：提供了一种图像形成装置的去偏斜方法，其包括在通过自动送稿器（ADF）馈送的打印介质上读取图像; 检测所述打印介质的前缘并计算所述读取图像的倾斜角度; 将所计算的偏斜角与第一阈值进行比较，并确定是否执行去歪斜操作; 以及基于所计算的偏斜角设置偏斜补偿水平，并且当所计算的偏斜角的绝对值等于或大于所述第一阈值时，根据所设置的偏移补偿水平执行不同的去偏移操作以输出去偏斜图像。

7. 发明申请

US20100157396A1 IMAGE PROCESSING APPARATUS AND METHOD OF CONTROLLING THE SAME 有权
标题翻译：图像处理装置及其控制方法
公开(公告)号：US20100157396A1
公开(公告)日：2010-06-24
申请号：US12642358
申请日：2009-12-18
申请人： Young Mi KIM , Jong Hyon Yi
发明人： Young Mi KIM , Jong Hyon Yi
IPC分类号： H04N1/46
CPC分类号： H04N1/6019 , H04N1/401 , H04N1/484
摘要： Disclosed is an image processing apparatus and a method of controlling the same. A color contact image sensor (CIS) module employing a single channel line sensor can be used to produce substantially the same performance as a color CIS module employing a three-channel line sensor and having color filters to, for example, reduce manufacturing costs. Moreover, a blurring phenomenon that can occur in a scanned image can be reduced and the quality of the scanned image can be improved.
摘要翻译：公开了一种图像处理装置及其控制方法。可以使用采用单通道线传感器的彩色接触图像传感器（CIS）模块来产生与使用三通道线传感器并具有例如降低制造成本的滤色器的彩色CIS模块基本上相同的性能。此外，可以减少扫描图像中可能发生的模糊现象，并且可以提高扫描图像的质量。

8. 发明授权

US07437020B2 Digital image processing device and method 失效
标题翻译：数字图像处理装置及方法
公开(公告)号：US07437020B2
公开(公告)日：2008-10-14
申请号：US10778154
申请日：2004-02-17
申请人： Jong-hyon Yi
发明人： Jong-hyon Yi
IPC分类号： G06K9/32
CPC分类号： G06T3/4007 , G06T3/403 , G06T5/002 , G06T5/003 , G06T2207/20192
摘要： A digital image processing device and method for performing edge compensation (sharpening) and emphasis. The digital image processing device and method each employ a first interpolation unit for applying a predetermined interpolation scheme with respect to low-resolution input image information, and outputting first interpolation image information; and a compensation unit for producing binary values with respect to the first interpolation image information using the input image information and the first interpolation image information, and compensating for the first interpolation image information based on the binary values. The device and method also each employ a second interpolation unit for applying a predetermined interpolation scheme with respect to the input image information, and outputting second interpolation image information; and an emphasis unit for emphasizing the compensated first interpolation image information using the second interpolation image information.
摘要翻译：一种用于执行边缘补偿（锐化）和强调的数字图像处理装置和方法。数字图像处理装置和方法各自采用用于对低分辨率输入图像信息应用预定内插方案的第一内插单元，并且输出第一内插图像信息; 以及补偿单元，用于使用输入图像信息和第一插值图像信息来生成关于第一内插图像信息的二进制值，并且基于二进制值来补偿第一内插图像信息。该装置和方法还采用第二内插单元，用于对输入的图像信息应用预定的内插方案，并输出第二内插图像信息; 以及强调单元，用于使用第二内插图像信息强调补偿的第一内插图像信息。

9. 发明授权

US07355529B2 Binary image compression apparatus and method 有权
标题翻译：二进制图像压缩装置及方法
公开(公告)号：US07355529B2
公开(公告)日：2008-04-08
申请号：US11410910
申请日：2006-04-26
申请人： Jong-hyon Yi
发明人： Jong-hyon Yi
IPC分类号： H03M7/00
CPC分类号： H04N19/94
摘要： A binary image compression apparatus and method. The apparatus to compress a binary image includes a symbol extraction unit to extract symbols from a binary image, a symbol dictionary including a plurality of representative symbols registered therein and to register one or more of the extracted symbols when the one or more extracted symbols do not match the registered representative symbols, a symbol matching unit to perform a matching operation of the extracted symbols with the representative symbols using a plurality of thresholds to determine an index of the extracted symbols, and an encoding unit to compress symbols registered in the symbol dictionary and corresponding indexes, to compress indexes of the symbols extracted from the binary image and position information of each of the extracted symbols, and to generate a final bitstream from the compressed symbols, indexes, and position information.
摘要翻译：二进制图像压缩装置和方法。用于压缩二进制图像的装置包括：符号提取单元，用于从二进制图像提取符号，包括在其中登记的多个代表性符号的符号字典，并且当所述一个或多个提取的符号不是时，注册所提取的符号中的一个或多个匹配登记的代表符号，符号匹配单元，使用多个阈值来执行所提取的符号与代表性符号的匹配操作，以确定提取的符号的索引;以及编码单元，压缩在符号字典中登记的符号，相应的索引，用于压缩从二进制图像提取的符号的索引和每个提取的符号的位置信息，并从压缩的符号，索引和位置信息生成最终比特流。

10. 发明授权

US07342517B2 Apparatus and method of binary image compression 失效
标题翻译：二进制图像压缩的装置和方法
公开(公告)号：US07342517B2
公开(公告)日：2008-03-11
申请号：US11496581
申请日：2006-08-01
申请人： Hyung-soo Ohk , Jong-hyon Yi
发明人： Hyung-soo Ohk , Jong-hyon Yi
IPC分类号： H03M7/34
CPC分类号： H04N1/4115
摘要： An apparatus to compress a binary image includes a symbol dividing unit to extract at least one symbol from a binary image and to output the extracted symbol and a residue image, a symbol matching encoding unit to perform a symbol matching encoding operation on the extracted symbol, to determine an encoding mode according to a result of the symbol matching operation, and to output symbol matching encoded data and encoding mode information corresponding to the encoding mode, a first encoding unit to perform a bit-based encoding operation on the binary image or the residue image based on the encoding mode information and to output bit-based encoded data, and a bitstream output unit to output the bit-based encoded data of the first encoding unit as a bitstream, or to collect the bit-based encoded data of the first encoding unit and the symbol matching encoded data of the symbol matching unit and to output the collected data as the bitstream, based on the encoding mode information, and a method thereof.
摘要翻译：用于压缩二进制图像的装置包括：符号分割单元，用于从二进制图像提取至少一个符号，并输出提取的符号和残差图像，符号匹配编码单元，对所提取的符号执行符号匹配编码操作; 根据符号匹配操作的结果来确定编码模式，并输出与编码模式相对应的符号匹配编码数据和编码模式信息;第一编码单元，用于对二进制图像执行基于位的编码操作基于编码模式信息的残差图像和输出基于比特的编码数据，以及比特流输出单元，用于输出第一编码单元的基于比特的编码数据作为比特流，或者收集基于比特的编码数据的基于比特的编码数据第一编码单元和匹配符号匹配单元的编码数据的符号，并且基于编码模式信息输出收集的数据作为比特流，并且am 方法。

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