Image processing apparatus
    1.
    发明授权
    Image processing apparatus 失效
    图像处理装置

    公开(公告)号:US5586227A

    公开(公告)日:1996-12-17

    申请号:US855083

    申请日:1992-03-20

    IPC分类号: G06K15/00 G06F15/00

    摘要: An image processing apparatus which generates an output image based on inputted print data, includes a resolution converting device which converts image data corresponding to the inputted print data at a first resolution into image data having a second resolution. The image conversion device includes a plurality of arithmetic processing units each of which performs computations which differ from the others, with one of the plurality of arithmetic processing unit being selected in dependence upon a recording density set for recording the output image. In other aspects, the resolution conversion computation can be input into the device from an external device. In situations where the generated output image is recorded on a pulse-width-modulated device, such as a laser beam printer, it is possible to control the pulse-width based on the density set for recording.

    摘要翻译: 一种基于输入的打印数据生成输出图像的图像处理装置,包括分辨率转换装置,其以与第一分辨率对应的输入的打印数据的图像数据转换为具有第二分辨率的图像数据。 图像转换装置包括多个算术处理单元,每个运算处理单元执行与其他运算不同的计算,其中,根据为记录输​​出图像设置的记录密度来选择多个算术处理单元中的一个。 在其他方面,分辨率转换计算可以从外部设备输入到设备中。 在产生的输出图像被记录在诸如激光束打印机的脉冲宽度调制装置的情况下,可以基于为记录设置的密度来控制脉冲宽度。

    Image smoothing using selection among plural pre-stored pixel patterns
as smoothed data
    3.
    发明授权
    Image smoothing using selection among plural pre-stored pixel patterns as smoothed data 失效
    使用多个预先存储的像素图案之间的选择作为平滑数据进行图像平滑

    公开(公告)号:US5652660A

    公开(公告)日:1997-07-29

    申请号:US430161

    申请日:1995-04-27

    摘要: Binary data (VDO) developed to a dot pattern are sequentially stored in line memories (1-9). A processing circuit (43) is constituted by a logic calculation circuit, and determines an edge portion of an image or a halftone image on the basis of 11.times.9 pixel data in shift registers (34-43). When the edge portion of an image is determined, data of a pixel of interest is converted to data that can print a smooth edge portion. Changed data (VDOM) is converted again according to the type of toner. The converted signal is supplied to a laser driver of a printer, and a printing operation is performed by scanning a laser. A resolution setting unit (1700) receives a resolution setting command from an external apparatus (1300), and sets a designated resolution in a printer (1200) according to the resolution setting command. The resolution setting unit (1700) divides one pixel into an optimal number of pixel sections on the basis of the designated resolution, and sets a logic circuit for performing optimal smoothing processing for divided data in a smoothing unit (1018). Bit map development based on code data supplied from the external apparatus (1300), and smoothing processing according to a smoothing logic, are performed.

    摘要翻译: 显影为点图案的二进制数据(VDO)被顺序存储在行存储器(1-9)中。 处理电路(43)由逻辑运算电路构成,根据移位寄存器(34-43)中的11×9像素数据,确定图像的边缘部分或半色调图像。 当确定图像的边缘部分时,感兴趣的像素的数据被转换成能够打印平滑边缘部分的数据。 更改的数据(VDOM)将根据墨粉类型再次进行转换。 转换的信号被提供给打印机的激光驱动器,并且通过扫描激光器执行打印操作。 分辨率设定单元(1700)从外部设备(1300)接收分辨率设置命令,并根据分辨率设置命令在打印机(1200)中设置指定的分辨率。 分辨率设置单元(1700)根据指定的分辨率将一个像素划分为最佳数量的像素部分,并且设置用于对平滑单元(1018)中的分割数据执行最佳平滑处理的逻辑电路。 执行基于从外部设备(1300)提供的代码数据和根据平滑逻辑的平滑处理的位图开发。

    Modifying print information based on feature detection
    5.
    发明授权
    Modifying print information based on feature detection 失效
    基于特征检测修改打印信息

    公开(公告)号:US5627651A

    公开(公告)日:1997-05-06

    申请号:US504148

    申请日:1995-07-19

    CPC分类号: G06T5/20 G06K15/1874

    摘要: An information processing method includes inputting bit information, temporarily storing at least part of the input bit information, and detecting whether the stored bit information coincides with one predetermined feature of plural such predetermined features. Print information for an object pixel which corresponds to a stored bit is modified in a case where coincidence is detected. Modification may include, for example, contour retention in a case where a rectangular portion is detected, line width discrimination, or white line discrimination. In addition, second feature detection can determine that a right-angled portion is not involved, in which case print information is modified only if coincidence is detected with plural predetermined features and a right-angled portion is not detected.

    摘要翻译: 一种信息处理方法,包括:输入比特信息,临时存储至少一部分输入比特信息,以及检测所存储的比特信息是否与多个预定特征的一个预定特征一致。 在检测到符合的情况下修改对应于存储位的对象像素的打印信息。 修改例如可以包括在检测到矩形部分的情况下的轮廓保持,线宽判别或白线鉴别。 此外,第二特征检测可以确定不涉及直角部分,在这种情况下,仅当检测到具有多个预定特征的一致性并且未检测到直角部分时,才修改打印信息。