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1. 发明授权

US5864638A Image data processing using bi-level and multi-level value data 失效
标题翻译：使用双级和多级数据数据的图像数据处理
公开(公告)号：US5864638A
公开(公告)日：1999-01-26
申请号：US605558
申请日：1996-02-20
申请人： Yasuhisa Ishizawa , Kenjiro Chyo , Hiroshi Nonoshita , Yasuhisa Shigehara , Seiji Saito , Shigeki Miura
发明人： Yasuhisa Ishizawa , Kenjiro Chyo , Hiroshi Nonoshita , Yasuhisa Shigehara , Seiji Saito , Shigeki Miura
IPC分类号： G06T11/60 , H04N1/387 , G06K9/40
CPC分类号： H04N1/3872 , G06T11/60 , H04N1/3871 , H04N1/3873
摘要： Disclosed is a method of processing image data, including controlling to output multi-level value image data for reproducing a multi-level value image and bi-level value image data for reproducing a bi-level value image with respect to a predetermined area, thereby reproducing the multi-level and bi-level value images which constitute a single image. Also disclosed is an interface system including a multi-level converter for converting the multi-level value image data into bi-level value image data and vice versa, a resolution converter operated in synchronism with the multi-level converter to convert the resolution of the multi-level value image data, an area data memory for storing area data corresponding to an instruction input representing a multi-level or bi-level value image area, and an output device for selecting the multi-level value image data from the resolution converter or the multi-level value image data from the multi-level converter on the basis of the area data and for outputting selected data to the image output device.
摘要翻译：公开了一种处理图像数据的方法，包括控制输出用于再现多电平值图像的多电平值图像数据和用于相对于预定区域再现双电平值图像的双电平值图像数据，由此再现构成单一图像的多级和双电平值图像。还公开了一种接口系统，包括用于将多电平值图像数据转换为双电平值图像数据的多电平转换器，反之亦然，与多电平转换器同步操作的分辨率转换器，以将多级值图像数据，用于存储对应于表示多级或双电平值图像区域的指令输入的区域数据的区域数据存储器，以及用于从分辨率转换器中选择多电平值图像数据的输出装置或来自多电平转换器的多电平值图像数据，并且将选择的数据输出到图像输出装置。

2. 发明授权

US5781666A Image processing method and apparatus suitable for both high-resolution and low-resolution image data 失效
标题翻译：适用于高分辨率和低分辨率图像数据的图像处理方法和装置
公开(公告)号：US5781666A
公开(公告)日：1998-07-14
申请号：US380940
申请日：1995-01-31
申请人： Yasuhisa Ishizawa , Yoshitsugu Yamanashi , Hiroshi Nonoshita , Kenjiro Chyo
发明人： Yasuhisa Ishizawa , Yoshitsugu Yamanashi , Hiroshi Nonoshita , Kenjiro Chyo
IPC分类号： G06T1/20 , H04N1/387 , H04N1/40 , G06K9/00
CPC分类号： H04N1/3871 , G06T1/20 , H04N1/40068
摘要： An image processing apparatus makes it possible to efficiently use memories, and to output an image having a high picture quality and a high resolution. The apparatus also makes it possible to reproduce particularly edge portions of an image having a relatively low resolution wherein a plurality of bits are allocated per picture element, with a high resolution. The apparatus further makes it possible to reproduce an image having a high resolution represented by one bit per picture element as an image represented by a plurality of bits per picture element. The apparatus processes a color image obtained by synthesizing a photograph and another photograph, or a photograph and characters with a small memory capacity, and outputs an image having a high quality. That is, the apparatus comprises a memory for storing character/figure images having a high resolution and a small amount of information for one picture element, a memory for storing photographic images having a low resolution and a large amount of information per picture element, and a memory for storing control data for controlling the above-described two kinds of images. An image output having a high picture quality can be obtained with a small amount of information by effectively utilizing features of the above-described two kinds of images. It is thereby possible to reduce the number of devices required for storing information, and therefore to reduce cost. It is also possible to minimize deterioration in picture quality caused by reducing the amount of information.
摘要翻译：图像处理装置使得可以有效地使用存储器，并且输出具有高图像质量和高分辨率的图像。该装置还使得可以以高分辨率再现具有相对低分辨率的图像的特定边缘部分，其中每个图像元素分配多个比特。该装置还使得可以将具有由每个图像元素的一位表示的高分辨率的图像再现为由每个图像元素的多个比特表示的图像。该装置处理通过合成照片和另一照片或具有小存储容量的照片和字符而获得的彩色图像，并输出具有高质量的图像。也就是说，该装置包括一个存储器，用于存储具有高分辨率和一个图像元素的少量信息的字符/图形图像;存储器，用于存储每个图像元素具有低分辨率和大量信息的照相图像;以及用于存储用于控制上述两种图像的控制数据的存储器。通过有效地利用上述两种图像的特征，可以通过少量的信息来获得具有高图像质量的图像输出。从而可以减少存储信息所需的设备数量，从而降低成本。也可以通过减少信息量来最小化图像质量的恶化。

3. 发明授权

US5521990A Image data processing using bi-level and multi-level value data 失效
标题翻译：使用双级和多级数据数据的图像数据处理
公开(公告)号：US5521990A
公开(公告)日：1996-05-28
申请号：US460760
申请日：1995-06-02
申请人： Yasuhisa Ishizawa , Kenjiro Chyo , Hiroshi Nonoshita , Yasuhisa Shigehara , Seiji Saito , Shigeki Miura
发明人： Yasuhisa Ishizawa , Kenjiro Chyo , Hiroshi Nonoshita , Yasuhisa Shigehara , Seiji Saito , Shigeki Miura
IPC分类号： G06T11/60 , H04N1/387 , G06K9/38
CPC分类号： H04N1/3872 , G06T11/60 , H04N1/3871 , H04N1/3873
摘要： Disclosed is a method of processing image data, including controlling to output multi-level value image data for reproducing a multi-level value image and bi-level value image data for reproducing a bi-level value image with respect to a predetermined area, thereby reproducing the multi-level and bi-level value images which constitute a single image. Also disclosed is an interface system including a multi-level converter for converting multi-level value image data into bi-level value image data and vice versa, a resolution converter operated in synchronism with the multi-level converter to convert the resolution of the multi-level value image data, an area data memory for storing area data corresponding to an instruction input representing a multi-level or bi-level value image area, and an output device for selecting the multi-level value image data from the resolution converter or the multi-level value image data from the multi-level converter on the basis of the area data and for outputting selected data to the image output device.
摘要翻译：公开了一种处理图像数据的方法，包括控制输出用于再现多电平值图像的多电平值图像数据和用于相对于预定区域再现双电平值图像的双电平值图像数据，由此再现构成单一图像的多级和双电平值图像。还公开了一种接口系统，包括用于将多电平值图像数据转换为双电平值图像数据的多电平转换器，反之亦然;与多电平转换器同步操作的分辨率转换器，以转换多电平值图像数据的分辨率级数值图像数据，用于存储对应于表示多级或双电平值图像区域的指令输入的区域数据的区域数据存储器，以及用于从分辨率转换器中选择多电平值图像数据的输出装置，根据区域数据来自多电平转换器的多电平值图像数据，并将选择的数据输出到图像输出装置。

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