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公开(公告)号：US6078051A
公开(公告)日：2000-06-20
申请号：US4350
申请日：1998-01-08
CPC分类号： H04N1/38 , G01N21/3563 , G01N21/8851 , H04N1/00795 , G01N21/33 , G01N21/35
摘要： A system and method which enables the location and orientation of an image to be determined without introducing scanning artifacts into the rendered image. The system utilizes a separate set of sensors on a scanning bar that are sensitive to a wavelength of light outside the range of wavelengths of the typical sensors found on the scanning bar, such as red, green, or blue. Moreover, the system includes a light source which is capable of emitting the wavelength of light that is outside this range of wavelength of light. Thus, whenever the additional set of sensors detect light, the system would determine that the light was due to a scanning artifact, such as a hole, rip, or dog ear in the original document being scanned. Furthermore, the system would include a process which measures the variations of the image signal in the fastscan and slowscan directions, as well as, the gray level of the video signal from these various measurements, the system would develop a cost value as to the certainty as whether the signal represents a scanning artifact. In such a system, the backing would be embedded with a pattern which would have a predetermined variation in a fastscan direction but have little or no variation in a slowscan direction.
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2.发明授权Method and apparatus for reducing excess developer material at the edges of print sheets of full bleed images via digital image processing 有权用于通过数字图像处理减少在全放像图像的打印片的边缘处的多余显影剂材料的方法和装置公开(公告)号：US06469806B1
公开(公告)日：2002-10-22
申请号：US09216528
申请日：1998-12-18
IPC分类号： G06F1900
CPC分类号： G06K15/12 , H04N1/4092
摘要： A digital image processing apparatus is disclosed. The apparatus increases input pixel intensity values in an edge region of input image data to form output pixel intensity values. The input pixel intensity values are varyingly increased depending on a location of the input pixel values within the edge region. The output values are printed on an edge region of a print sheet. A printer prints the output intensity pixel values on a print sheet. The invention allows printing of digital images to the edge of a print sheet without accumulating a great deal of toner at the edge of the sheet or overburdening a toner cleaning device.
摘要翻译： 公开了一种数字图像处理装置。 该装置增加输入图像数据的边缘区域中的输入像素强度值以形成输出像素强度值。 输入像素强度值根据边缘区域内的输入像素值的位置而不同地增加。 输出值打印在打印纸的边缘区域上。 打印机打印打印纸上的输出强度像素值。 本发明允许将数字图像打印到打印纸的边缘，而不在纸张的边缘处积聚大量的调色剂或使调色剂清洁装置过载。
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公开(公告)号：US06647144B2
公开(公告)日：2003-11-11
申请号：US09728368
申请日：2000-12-04
IPC分类号： G06K934
CPC分类号： H04N1/4074 , H04N1/4072 , H04N1/4095
摘要： A method for scanning a document includes: acquiring scanned image data from a first region of the document; determining an initial estimate of a document attribute using pixels in the first region; acquiring scanned image data from a second region of the document; processing pixels in the second region in accordance with the initial estimate; determining a second estimate of the document attribute using selected pixels in the second region; determining if the initial estimate is valid and if not, processing pixels within the image in accordance with the second estimate.
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4.发明授权Systems and methods for automated image quality based diagnostics and remediation of document processing systems 有权用于自动图像质量诊断和文档处理系统修复的系统和方法公开(公告)号：US06665425B1
公开(公告)日：2003-12-16
申请号：US09464596
申请日：1999-12-16
IPC分类号： G06K900
CPC分类号： G03G15/502 , G03G15/5079 , G03G15/55 , G03G2215/00067 , G03G2215/00109 , G03G2215/00118 , H04N1/00002 , H04N1/00005 , H04N1/00013 , H04N1/00029 , H04N1/00031 , H04N1/00045 , H04N1/00063 , H04N1/00076 , H04N1/00079 , H04N1/00084 , H04N1/00408
摘要： During the operation of a document processing system machine and job data are collected from a document processing system. Optionally, machine information, both for the specific machine and population based data are acquired from a database or server. Having accumulated the job data and machine data, the diagnostic inference engine performs an analysis to determine the initial diagnosis of the document processing system. After obtaining the initial diagnosis, the system determines the test patterns to be printed and the image quality tests to be performed. The system then prints test patterns, and scans the patterns to determine image quality parameters and/or to automatically identify image defects. Optionally, image defect information may also be provided by the customer or the service engineer via a user interface. Next, a diagnostic inference engine uses the results of the image quality analysis to refine the initial diagnosis. Then, the diagnostic results are output, stored, and optionally displayed to, for example a customer or a customer service engineer. Based on the diagnostic results, and if problems are found, the machine enters a repair sequence. In particular, the machine can request either a customer or a customer service engineer repair action, or, alternatively, enter an auto-correction or an auto-calibration mode to repair itself. Upon completion of one or more, or any combination, of these repair actions, the machine verifies its operation and again checks to ensure the repairs have been completed successfully.
摘要翻译： 在文件处理系统的操作期间，从文件处理系统收集作业数据。 可选地，从数据库或服务器获取针对特定机器和基于总体的数据的机器信息。 累积作业数据和机器数据后，诊断推理机进行分析，以确定文件处理系统的初始诊断。 在获得初始诊断后，系统确定要打印的测试图案和要执行的图像质量测试。 然后，系统打印测试图案，并扫描图案以确定图像质量参数和/或自动识别图像缺陷。 可选地，图像缺陷信息也可以由客户或服务工程师经由用户界面提供。 接下来，诊断推理引擎使用图像质量分析的结果来细化初始诊断。 然后，将诊断结果输出，存储并且可选地显示给例如客户或客户服务工程师。 根据诊断结果，如果发现问题，机器进入维修顺序。 特别地，机器可以请求客户或客户服务工程师修理动作，或者，也可以输入自动校正或自动校准模式来修复自身。 在完成这些修复动作中的一个或多个或任何组合时，机器验证其操作并再次检查以确保维修已经成功完成。
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5.发明授权公开(公告)号：US06198835B1
公开(公告)日：2001-03-06
申请号：US09004674
申请日：1998-01-08
IPC分类号： G06K900
CPC分类号： H04N1/00726 , G06T5/20 , H04N1/00002 , H04N1/00037 , H04N1/0005 , H04N1/00063 , H04N1/00068 , H04N1/00092
摘要： A system and method which enables the location and orientation of an image to be determined without introducing scanning artifacts into the rendered image. The system utilizes a separate set of sensors on a scanning bar that are sensitive to a wavelength of light outside the range of wavelengths of the typical sensors found on the scanning bar, such as red, green, or blue. Moreover, the system includes a light source which is capable of emitting the wavelength of light that is outside this range of wavelength of light. Thus, whenever the additional set of sensors detect light, the system would determine that the light was due to a scanning artifact, such as a hole, rip, or dog ear in the original document being scanned. Furthermore, the system would include a process which measures the variations of the image signal in the fastscan and slowscan directions, as well as, the gray level of the video signal from these various measurements, the system would develop a cost value as to the certainty as whether the signal represents a scanning artifact. In such a system, the backing would be embedded with a pattern which would have a predetermined variation in a fastscan direction but have little or no variation in a slowscan direction.
摘要翻译： 一种使得能够确定图像的位置和方位而不将扫描伪影引入到渲染图像中的系统和方法。 该系统在扫描杆上使用对扫描条上发现的典型传感器波长范围（例如红色，绿色或蓝色）的波长波长敏感的扫描条上的一组单独的传感器。 此外，该系统包括能够发射在该波长范围之外的光的波长的光源。 因此，每当附加的传感器组检测到光时，系统将确定光是由于扫描原件造成的，例如正在扫描的原稿中的孔，裂纹或狗耳等扫描伪影。 此外，该系统将包括测量图像信号在快扫和慢扫描方向上的变化的过程以及来自这些各种测量的视频信号的灰度级，系统将产生关于确定性的成本值 作为信号是否表示扫描伪像。 在这样的系统中，背衬将被嵌入具有在快扫方向上具有预定变化但在慢扫描方向上几乎没有或没有变化的图案。
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