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1. 发明专利

JP2005050341A Image processor and its method 审中-公开
标题翻译：图像处理器及其方法
公开(公告)号：JP2005050341A
公开(公告)日：2005-02-24
申请号：JP2004217763
申请日：2004-07-26
申请人： Realtek Semiconductor Corp , リアルテックセミコンダクターコーポレーション
发明人： CHANG HUI-HUANG , OU HSIN-YING , HSIEH CHIEN-HUA
IPC分类号： G06T1/60 , G06K9/40 , G06K9/56 , G06T1/20 , H04N1/56
CPC分类号： G06T1/60
摘要： PROBLEM TO BE SOLVED: To provide an image processor and its method capable of preventing an external memory of the image processor from being accessed from respective processing units, and capable of improving its operation efficiency.
SOLUTION: The image processor comprises at least one buffer unit for processing image data each of which contains a plurality of horizontal lines including a plurality of pixel data and successively outputting a plurality of super pixels and at least one processing unit connected to at least one buffer unit in order to successively process the super pixels. Each super pixel includes 1st pixel data and 2nd pixel data adjacent to the 1st pixel data. The 1st pixel data and the 2nd pixel data do not belong to the same horizontal line.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够防止图像处理器的外部存储器从各个处理单元被访问并且能够提高其操作效率的图像处理器及其方法。解决方案：图像处理器包括至少一个用于处理图像数据的缓冲单元，每个缓冲单元包含多个包括多个像素数据的水平行并连续输出多个超像素，以及至少一个处理单元至少一个缓冲单元，以便连续处理超像素。每个超像素包括与第一像素数据相邻的第一像素数据和第二像素数据。第一像素数据和第二像素数据不属于相同的水平线。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2005020733A Error diffusion method for halftone processing 审中-公开
标题翻译：用于牛奶加工的误差扩展方法
公开(公告)号：JP2005020733A
公开(公告)日：2005-01-20
申请号：JP2004177330
申请日：2004-06-15
申请人： Realtek Semiconductor Corp , リアルテックセミコンダクターコーポレーション
发明人： CHANG HUI-HUANG , OU HSIN-YING
IPC分类号： B41J2/52 , G06F3/12 , G06T5/00 , G09G5/00 , H04N1/405 , H04N1/52
CPC分类号： H04N1/4052
摘要： PROBLEM TO BE SOLVED: To provide an error prediction method (error diffusion method) capable of solving the problem of calculating the output value when the error of the pixel is unknown.
SOLUTION: In the error diffusion method applied to halftone processing for image data, the image data comprise a plurality of pixels. The method comprises the steps of: dividing the image data into a plurality of image blocks; selecting one of the pixels belonging to each of the image blocks as a target pixel, wherein the target pixel is located on the boundary of the corresponding image block; assigning a predicted error to the target pixel; and executing the error diffusion method on the rest of the pixels of the image blocks according to the predicted error of the target pixels of the image blocks. When executing the error diffusion, the target pixel is found out within the image block, the predicted error is then assigned to the target pixel, and the output values thereof are calculated.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供能够解决当像素的误差未知时计算输出值的问题的误差预测方法（误差扩散方法）。解决方案：在应用于图像数据的半色调处理的误差扩散方法中，图像数据包括多个像素。该方法包括以下步骤：将图像数据划分成多个图像块; 选择属于每个图像块的像素中的一个作为目标像素，其中所述目标像素位于所述对应图像块的边界上; 向所述目标像素分配预测误差; 以及根据图像块的目标像素的预测误差对图像块的其余像素执行误差扩散方法。当执行误差扩散时，在图像块内找到目标像素，然后将预测误差分配给目标像素，并计算其输出值。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2005122144A Scaling device and method capable of controlling data flow quantity 有权
标题翻译：可控制数据流量的分级设备和方法
公开(公告)号：JP2005122144A
公开(公告)日：2005-05-12
申请号：JP2004270486
申请日：2004-09-16
申请人： Realtek Semiconductor Corp , 瑞▲いー▼半導體股▲ふん▼有限公司
发明人： CHANG CHIA-PEI , OU HSIN-YING , CHANG HUI-HUANG
IPC分类号： G06T3/40 , G06K9/32 , G09G5/00 , G09G5/02 , G09G5/36 , H04N1/387
CPC分类号： G06T3/4084 , G06T2200/28
摘要： PROBLEM TO BE SOLVED: To provide a scaling device which can control amount of input and/or amount of output.
SOLUTION: A scaling device for receiving and scaling a digital image signal includes a scaling module and a data quantity control logic. The scaling module scales the digital image signal according to a scaling ratio and then outputs a scaled output signal. The data quantity control logic controls output quantity of the scaled output signal according to the scaling ratio. Thus the data quantity outputted from the scaling module is controlled below the data quantity that can be processed by the post stage of the scaling module per unit time.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供可以控制输入量和/或输出量的缩放装置。解决方案：用于接收和缩放数字图像信号的缩放装置包括缩放模块和数据量控制逻辑。缩放模块根据缩放比例对数字图像信号进行缩放，然后输出缩放的输出信号。数据量控制逻辑根据缩放比例控制缩放的输出信号的输出量。因此，从缩放模块输出的数据量被控制在低于每单位时间的缩放模块的后级可处理的数据量。版权所有（C）2005，JPO＆NCIPI

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