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    • 1. 发明授权
    • Image processing apparatus
    • 图像处理装置
    • US07209260B1
    • 2007-04-24
    • US09618537
    • 2000-07-18
    • Hiroshi TanakaYoshiyuki NakaiToru AdachiKeiji NakamuraTokiyuki OkanoKohsuke Harada
    • Hiroshi TanakaYoshiyuki NakaiToru AdachiKeiji NakamuraTokiyuki OkanoKohsuke Harada
    • G06K15/02
    • H04N1/3935G06T1/60G06T3/40
    • The object of the present invention is to use the same FIFO line memory for both enlargement and reduction during variable-magnification processing in the scan direction, allowing reduction in circuit board area, reduction in power consumption, and reduction in cost, and to provide an image processing apparatus that allows variable-magnification processing to be carried out such that the speed of a scanning unit that captures image data during variable-magnification processing in the cross-scan direction is constant. During processing to enlarge an image in the scan direction, image data travels from CCD circuit board, passing through gate b of selector, is written to and read from FIFO memory, and from gate b of selector is written to memory provided at variable magnification unit. At variable magnification unit, image data is read from memory a plurality of times in correspondence to enlargement ratio, changing the magnification of the image data. Furthermore, image data is output through gate a of selector to LSU unit. During processing to reduce an image, image data travels from CCD circuit board, passing through gate a of selector, is input to variable magnification unit where it is subjected to variable-magnification processing, passes through gate a of selector, is written to and read from FIFO memory, passes through gate b of selector, and is output to LSU unit.
    • 本发明的目的是在扫描方向的可变放大处理期间使用相同的FIFO行存储器进行放大和缩小,从而减少电路板面积,降低功耗并降低成本,并且提供 允许进行可变放大处理的图像处理装置,使得在横扫描方向的可变放大处理期间捕获图像数据的扫描单元的速度是恒定的。 在扫描方向放大图像的处理过程中,图像数据从CCD电路板行进,通过选择器的栅极b,被写入FIFO存储器并从FIFO存储器读取,并从选择器的栅极b写入可变倍率单位 。 在可变放大单元处,对应于放大率,从存储器多次读取图像数据,改变图像数据的放大率。 此外,图像数据通过选择器的门A输出到LSU单元。 在减少图像的处理过程中,图像数据从CCD电路板行进,通过选通器的门a,被输入到可变放大单元,经过可变放大处理,通过选通器的门a,被写入并读取 从FIFO存储器通过选择器的门b,并输出到LSU单元。
    • 3. 发明授权
    • Image forming method and an image forming apparatus therefor
    • 图像形成方法及其图像形成装置
    • US06690482B1
    • 2004-02-10
    • US09200795
    • 1998-11-30
    • Masanori ToyodaHiroshi TanakaToru AdachiTokiyuki OkanoKenji Matsumoto
    • Masanori ToyodaHiroshi TanakaToru AdachiTokiyuki OkanoKenji Matsumoto
    • G06F1500
    • H04N1/3876
    • The data of the partial images of an original output from an original input scanning device is converted by an image reducing section into reduced images of data in accordance with the size of duplication. Each reduced image of data is stored in a data storage. A pattern matching section compares adjoining reduced partial images of data as to the overlapping image data, to check the congruency therebetween. Based on this judgement result, an address setting section generates a joining position address corresponding to the joining position in each storage area. A data output control section loads the adjoining reduced partial images of data stored in respective storage areas, in a sequentially, joinable manner, so that an image forming section forms a duplicated image of the original on a predetermined recording medium in accordance with the reduced image data.
    • 来自原始输入扫描装置的原始输出的部分图像的数据由图像缩小部分根据复制的大小被转换成缩小的数据图像。 每个缩小的数据图像被存储在数据存储器中。 模式匹配部分比较与重叠的图像数据相邻的缩小的数据部分图像,以检查它们之间的一致性。 基于该判定结果,地址设定部生成与各存储区域的接合位置对应的接合位置地址。 数据输出控制部分按顺序可连接的方式加载存储在相应存储区域中的数据的相邻缩小部分图像,使得图像形成部分根据缩小图像在预定记录介质上形成原稿的复制图像 数据。
    • 4. 发明申请
    • Image processing apparatus, image forming apparatus, and image processing method
    • 图像处理装置,图像形成装置和图像处理方法
    • US20070237405A1
    • 2007-10-11
    • US11729779
    • 2007-03-30
    • Kohsuke HaradaTokiyuki OkanoMakoto HiguchiSohichi Takata
    • Kohsuke HaradaTokiyuki OkanoMakoto HiguchiSohichi Takata
    • G06K9/36
    • H04N1/41
    • A storage area where compressed data is stored is divided into a plurality of divided areas having a data length of Ls. Each divided area is divided into two areas, a first area having a data length of Ld and a second area having a data length of La. A plurality of first areas are gathered starting from the upper address to the lower address, whereby a memory area for compressed image data is composed. A plurality of second areas are gathered starting from the upper address to the lower address, whereby a memory area for compressed attribute data is composed. Compressed image data is sequentially written starting from the upper address to the lower address of the memory area for compressed image data. Compressed attribute data is sequentially written starting from the upper address to the lower address of the memory area for compressed attribute data.
    • 存储压缩数据的存储区域被划分成数据长度为Ls的多个划分区域。 每个划分区域被分成两个区域,数据长度为Ld的第一区域和数据长度为La的第二区域,多个第一区域从上部地址开始到下部地址,由此存储区域 为压缩图像数据组成。 从上部地址到下部地址收集多个第二区域,由此构成用于压缩属性数据的存储区域。 压缩图像数据从压缩图像数据的存储区域的上部地址到下部地址顺序写入。 压缩属性数据从压缩属性数据的存储区域的上部地址到下部地址顺序写入。
    • 6. 发明授权
    • Image processing apparatus, image forming apparatus, and image processing method
    • 图像处理装置,图像形成装置和图像处理方法
    • US07813565B2
    • 2010-10-12
    • US11729779
    • 2007-03-30
    • Kohsuke HaradaTokiyuki OkanoMakoto HiguchiSohichi Takata
    • Kohsuke HaradaTokiyuki OkanoMakoto HiguchiSohichi Takata
    • G06K9/36G06K9/00G06K9/46
    • H04N1/41
    • A storage area where compressed data is stored is divided into a plurality of divided areas having a data length of Ls. Each divided area is divided into two areas, a first area having a data length of Ld and a second area having a data length of La. A plurality of first areas are gathered starting from the upper address to the lower address, whereby a memory area for compressed image data is composed. A plurality of second areas are gathered starting from the upper address to the lower address, whereby a memory area for compressed attribute data is composed. Compressed image data is sequentially written starting from the upper address to the lower address of the memory area for compressed image data. Compressed attribute data is sequentially written starting from the upper address to the lower address of the memory area for compressed attribute data.
    • 存储压缩数据的存储区域被划分成数据长度为Ls的多个划分区域。 每个划分区域被分成两个区域,数据长度为Ld的第一区域和数据长度为La的第二区域,多个第一区域从上部地址开始到下部地址,由此存储区域 为压缩图像数据组成。 从上部地址到下部地址收集多个第二区域,由此构成用于压缩属性数据的存储区域。 压缩图像数据从压缩图像数据的存储区域的上部地址到下部地址顺序写入。 压缩属性数据从压缩属性数据的存储区域的上部地址到下部地址顺序写入。