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1. 发明专利

JP2002300398A IMAGE PROCESSOR 失效
公开(公告)号：JP2002300398A
公开(公告)日：2002-10-11
申请号：JP2001096352
申请日：2001-03-29
申请人： RICOH KK
发明人： MAEDA MAMORU
IPC分类号： G06T1/60 , G06F12/00 , H04N1/405
摘要： PROBLEM TO BE SOLVED: To prevent a size of IC from being increased when IC processing is applied to a plurality of different gradation processing circuits. SOLUTION: A 1×1 dither processing section 1, an m×n dither processing section 2, an adaptive dither processing section 3, and an error diffusion processing section 4 use a common memory M1 and common FIFO memories M2, M3 in common and when the use of the memories is in contention, a gradation processing circuit not causing the contention is selected.

2. 发明专利

JP2000236440A IMAGE DISCRIMINATING METHOD, IMAGE DISCRIMINATING DEVICE, IMAGE FORMING DEVICE AND IMAGE READER 失效
公开(公告)号：JP2000236440A
公开(公告)日：2000-08-29
申请号：JP3468399
申请日：1999-02-12
申请人： RICOH KK
发明人： HASEGAWA YUTAKA , MAEDA MAMORU
IPC分类号： H04N1/387 , G03G21/04 , G06T1/00 , G06T7/00 , H04N1/40
摘要： PROBLEM TO BE SOLVED: To enhance the discrimination accuracy of a special original by conducting discrimination processing for a plurality of number of times through the use of the same image data. SOLUTION: Image data are received (S101), the received image data are stored (S102), and the processing to receive the stored image data and to discriminate whether or not the image data are image data representing a special picture of a paper note securities is executed for a prescribed number of times as to the same stored image data (S102, S104, S106, and S108). Then every time the processing to discriminate whether or not the image data represent the special image is executed, a discrimination parameter used for the discrimination is changed.

3. 发明专利

JPH11122493A PICTURE PROCESSOR 失效
公开(公告)号：JPH11122493A
公开(公告)日：1999-04-30
申请号：JP29348297
申请日：1997-10-09
申请人： RICOH KK
发明人： MAEDA MAMORU
IPC分类号： H04N1/405 , G06T5/00 , H04N1/407 , H04N1/409
摘要： PROBLEM TO BE SOLVED: To provide a picture processor in which a texture level can be accurately detected and removed. SOLUTION: This device is provided with an edge judger 40 for judging the edge of inputted multi-value picture data, and deciding the weighting factor of error diffusion from the judged result, texture extractor 10 for detecting the texture components of the multi-value picture data by referring to the edge detected by the edge judger, subtractor 20 for subtracting the texture components from the multi-value picture data, output converter 30 for outputting the picture data by decreasing the concentration gradation of the inputted multi- level data, and detecting error components which can not be converted, and error arithmetic unit 50 for multiplying the detected error components by the weighting factor decided by the edge judger. Then, the error components multiplied by the weighting factor by the error arithmetic unit 50 are added to a difference value from the subtractor 20, and returned to the output converter 30 again. Thus, it is possible to accurately remove the texture components at the edge part.

4. 发明专利

JPH09282463A IMAGE PROCESSOR 失效
公开(公告)号：JPH09282463A
公开(公告)日：1997-10-31
申请号：JP11547196
申请日：1996-04-12
申请人： RICOH KK
发明人： MAEDA MAMORU
IPC分类号： H04N1/409 , G06T7/00 , G06T7/60
摘要： PROBLEM TO BE SOLVED: To obtain the image processor which can handle the worst pattern even when a storage device is made small. SOLUTION: Inputted image information after being binarized is converted into run data, which are stored in line memories 31, 32, and 33. The positions of runs on the latest current line and the line before the last line are compared and data on the runs are converted into data on an area. For the data conversion to the area, there are processes for registration as a new area, the update of an existent area, the merging of existent areas, and detection as an area. When data is detected as an area, position and size information is reported to subsequent processes on condition that its size is suitable to a target pattern. As the area data, there are data halfway in area detection which is possible updated and data which is already detected as an area. The memory is consumed by the size of the area data each time the area data is registered in the memory.

5. 发明专利

JPH09120451A IMAGE PROCESSOR 失效
公开(公告)号：JPH09120451A
公开(公告)日：1997-05-06
申请号：JP27578895
申请日：1995-10-24
申请人： RICOH KK
发明人： MAEDA MAMORU
IPC分类号： G06T7/60 , G06T7/00
摘要： PROBLEM TO BE SOLVED: To improve the real-time performance when the coupled images are decided by extracting the runs in the scanning direction of the pixel to be processed and deciding an image area to be processed based on the coupling state between the upper and lower runs. SOLUTION: When a binary data is applied, a black/white pixel extraction part 1 extracts an object black or white pixel for extraction of an area. A run extraction part 2 extracts the runs in the main scanning direction of the extracted black or white pixel, and an area decision part 3 decides an image area to be processed based on the coupling state between extracted upper and lower runs. For instance, an original is read by an image reading part (scanner) of a copying machine and converted into the image data. This image data is binarized by a proper threshold, divided into black and white pixels and then converted into an image having several coupled areas. Then the binary image data is applied to an area extraction part for extraction of an image area to be processed and then applied to an area post-processing part.

6. 发明专利

JPH04259023A EDITING INSTRUCTION DEVICE 失效
公开(公告)号：JPH04259023A
公开(公告)日：1992-09-14
申请号：JP4114391
申请日：1991-02-13
申请人： RICOH KK
发明人： MAEDA MAMORU
IPC分类号： G06F3/041 , G06F3/033 , G09G5/00 , H04N1/387
摘要： PURPOSE:To issue an editing instruction to an operator in an easy-to-understand way and without soiling an original. CONSTITUTION:A transparent tablet 1 which can read the contents of an original 6 and a display part 5 set under the tablet is provided in order to point out an editing subject area and the editing contents for the editing instructions. The contents of the editing subject area and the editing instructions are displayed at a display part 5 when the contents of the editing instructions are read. These displayed contents are viewed over the original 6 through the tablet 1. Thus an operator can directly the editing instructions over the original 6 without soiling the original.

7. 发明专利

JPH02144777A DRAWING RECOGNIZING METHOD 失效
公开(公告)号：JPH02144777A
公开(公告)日：1990-06-04
申请号：JP30005088
申请日：1988-11-28
申请人： RICOH KK
发明人： MAEDA MAMORU
IPC分类号： G06T7/00
摘要： PURPOSE:To decrease manual intervention and to improve the automation rate for recognition of a drawing by extracting an area for which vectorization failed as an unknown areas and estimating the inside of the unknown area. CONSTITUTION:A drawing is read by an image scanner 1 and the binary image data is stored in an image memory 2. An area for which vectorization failed is extracted as an unknown area. Then the inside of the unknown area is estimated based on the recognizing result of a segment around the unknown area and the knowledge of a pattern where a turn-into-vector action fails easily.

8. 发明专利

JPH01266675A TREATMENT OF DIMENSIONAL LINE 失效
公开(公告)号：JPH01266675A
公开(公告)日：1989-10-24
申请号：JP9633788
申请日：1988-04-19
申请人： RICOH KK
发明人： MAEDA MAMORU
IPC分类号： G06F17/50
摘要： PURPOSE:To relax dimension entering conditions compared with usual ones and to allow various dimension entering methods which are the same as those in a general mechanical drawing by detecting a dimension line group connected from a character string in a direction to an endpoint and examining the arranged pattern of an endpoint symbol. CONSTITUTION:For the input picture data of the mechanical drawing, first, a segment, the endpoint of the segment, the endpoint symbol of a dimension line, and the character string in the drawing are extracted and stored in a segment data table 6 and a character string data table 7 on a main memory 2. Next, an extension line is extracted from the data in the table 6, the dimension line group connected in the direction to the endpoint using the character string and a character string group near the dimension line group are detected out of segments except the extension line and recorded in a group table 8 on the memory 2. Further, a character range corresponding to the character strings in the detected group and a dimension range normal corresponding to an actual dimension value are identified, and the result is registered in the table 8. Thus, the dimension entering method can be allowed according to dimension recognition in the general mechanical drawing without strictly limiting the dimension entering methods as in a usual case.

9. 发明专利

JPS646587B2 失效
公开(公告)号：JPS646587B2
公开(公告)日：1989-02-03
申请号：JP14966879
申请日：1979-11-19
申请人： RICOH KK
发明人： MAEDA MAMORU
IPC分类号： G06T3/40 , H04N1/19 , H04N1/393

10. 发明专利

JPS63156296A METHOD FOR RECOVERING DEFECTIVE CHARACTER 失效
公开(公告)号：JPS63156296A
公开(公告)日：1988-06-29
申请号：JP30493886
申请日：1986-12-19
申请人： RICOH KK
发明人： MAEDA MAMORU
IPC分类号： G06K9/20 , B41J2/485 , G06K9/34 , G06K9/36 , H04N1/387
摘要： PURPOSE:To faithfully recover an original form by applying a prescribed matching to the defective sections of a character pattern, connecting between the sections by a straight line and burying a black picture element. CONSTITUTION:The character pattern PN of '9' is separated to an upper side part UN having one section and a lower side part LN having one section by removing a ruled line part. The labels of a start point and an end point are applied to the individual sections. When the number of the sections in the upper side and the lower side is equal, they are mutually matched, so that the start points and the end points are respectively connected by the straight lines and an area 20 surrounded by these straight lines is defined to be the black picture element, thereby, the original form can be faithfully recovered.

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