CN102739907A - Image processing apparatus and method for controlling image processing apparatus - Google Patents
Image processing apparatus and method for controlling image processing apparatus Download PDFInfo
- Publication number
- CN102739907A CN102739907A CN2011100851857A CN201110085185A CN102739907A CN 102739907 A CN102739907 A CN 102739907A CN 2011100851857 A CN2011100851857 A CN 2011100851857A CN 201110085185 A CN201110085185 A CN 201110085185A CN 102739907 A CN102739907 A CN 102739907A
- Authority
- CN
- China
- Prior art keywords
- module
- scan
- processing apparatus
- shelves
- image processing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention provides an image processing apparatus used for scanning a printed drawing. The image processing apparatus includes a scanning module used for scanning the printed drawing along a first direction of the printed drawing, a stepping module used for moving the scanning module in a second direction which is perpendicular to the first direction, a first judging module used for judging whether a strip image obtained by the scanning module along the first direction is blank or not when the scanning module moves a first distance along the second direction, and a first scanning control module used for controlling the scanning module to scan the printed drawing with a first resolution when a judgment result of the first judging module is that the strip image is blank. The invention also discloses a method for controlling the image processing apparatus.
Description
Technical field
The present invention relates to technical field of image processing, particularly relate to a kind of method that can change the image processing apparatus and the control image processing apparatus of scanning resolution according to the white space of sweep object.
Background technology
Scanner is a kind of computer external instrument equipment, utilizes photoelectricity and digital processing technology, converts the digitlization input equipment that computer can show, edits, stores and export to through scanning printing figure shelves and with it.Printing figure shelves often include white space, and these white spaces can use less data to describe, thus take much time with higher resolution scan these white spaces, not only be helpless to improve picture quality, also can reduce the efficient of scanning.
Summary of the invention
In view of above content, be necessary to provide a kind of method that can change the image processing apparatus and the control image processing apparatus of scanning resolution according to the white space of sweep object.
A kind of image processing apparatus is used to scan printing figure shelves, and said image processing apparatus comprises:
Scan module is used for scanning said printing figure shelves along a first direction of said printing figure shelves;
The stepping module is used at the said scan module that moves up of the second party perpendicular to said first direction;
First judge module, be used to judge said scan module said second party move up one first apart from the time bar image that obtains along said first direction scanning continuously whether be blank; And
The first scan control module, be used for when the judged result of first judge module when being, control said scan module with the said printing figure of one first resolution scan shelves.
A kind of control method; Be used to control an image processing apparatus and scan printing figure shelves; Said image processing apparatus comprises scan module and stepping module, and said scan module is used for scanning said printing figure shelves along a first direction of said printing figure shelves, and the scanning width of said scan module is not less than the width of the first direction of said printing figure shelves; Said stepping module is used at the said scan module that moves up of the second party perpendicular to said first direction, and said method comprises:
Controlling said stepping module moves said scan module and scans said printing figure shelves;
Obtain said scan module said second party move up one first apart from the time one first bar image that obtains continuously along said first direction scanning;
When judging said first bar image, control said scan module with the said printing figure of one first resolution scan shelves for blank.
Compared with prior art, the method for above-mentioned image processing apparatus and control image processing apparatus to being used different scanning resolutions by the white space of the printing figure shelves that scanned, makes scanning process become more flexible, has improved scan efficiency.
Description of drawings
Fig. 1 is the functional block diagram of the image processing apparatus in one embodiment of the present invention.
Fig. 2 is the process sketch map of the image processing apparatus scanning one printing figure shelves in one embodiment of the present invention.
Fig. 3 is the flow chart of the method for the control image processing apparatus in one embodiment of the present invention.
The main element symbol description
| Scan module | 102 |
| The stepping module | 104 |
| First judge module | 106 |
| The first scan control module | 108 |
| Second judge module | 110 |
| The second scan control module | 112 |
Following embodiment will combine above-mentioned accompanying drawing to further specify the present invention.
Embodiment
See also Fig. 1; Schematically show the image processing apparatus according to one embodiment of the present invention among the figure, said image processing apparatus comprises scan module 102, stepping module 104, first judge module 106, the first scan control module 108, second judge module 110 and the second scan control module 112.
Said scan module 102 is used for scanning said printing figure shelves along a first direction of said printing figure shelves, and the scanning width of said scan module is not less than the width of the first direction of said printing figure shelves.In one embodiment, said scan module 102 is an optical pickup device, for example charge-coupled device (CCD) or contact type image induction installation (CIS).Said first direction is the scanning direction of said scan module on said printing figure shelves, is generally the horizontal direction of said printing figure shelves.The resolution of said scan module 102 has been represented in a lateral direction can the images recorded fineness, generally uses DPI (Dots Per Inch) expression, promptly representes with the number of the pixel that scan image contained on the per inch length.In one embodiment, said scan module 102 writes down each color of pixel with rgb value, and said rgb value comprises the brightness value of Red Green Blue respectively.
Said stepping module 104 is used at the said scan module 102 that moves up of the second party perpendicular to said first direction.Said second direction is generally the longitudinal direction of said printing figure shelves.The stepping rate of said stepping module 104 has determined scan image resolution in a longitudinal direction, and when the stepping rate of said stepping module 104 was faster, longitudinal frame was low more, and when stepping rate was slower, longitudinal frame was high more.
Said first judge module 106, be used to judge said scan module 102 said second party move up one first apart from the time bar image that obtains along said first direction scanning continuously whether be blank.Said first distance is for judging whether an image-region is blank preset empirical value, and when required precision was higher, said first distance can be preset as smaller value; Such as 200 pixels; When required precision was low, said first distance can be preset as higher value, such as 1000 pixels.On a position, scan the image that obtains when said scan module 102 and be blank; And when the image that obtains of scanning all be blank on next continuous position; Whether the distance of judging these positions is more than or equal to said first distance; When the result when being, be regarded as white space at this apart from the image that lining scanning obtains.Writing down with rgb value in the execution mode of each color of pixel; Judge whether an image is blank; Be whether all to be 255 to distinguish, when the rgb value of a pixel is (255,255 with the three primary colors brightness value of the rgb value of each pixel of this image; 255) time, represent that this pixel is a pure white.It will be understood by those of skill in the art that visual white is not an absolute value, but a value range, in different embodiment, span size that can white is set to difference.
The said first scan control module 108, be used for when the judged result of first judge module 106 when being, control said stepping module 104 and move said scan module 102 with the said printing figure of one first resolution scan shelves with one first speed.White space is scanned with fast speeds with lower resolution, neither can reduce the picture quality of scanning, can also improve the efficient of scanning.Resolution when therefore, the speed of said first speed during greater than normal scan, said first resolution are less than normal scan.Said first resolution is less than the ultimate resolution of said scan module 102, and the ultimate resolution of said scan module 102 is the build-in attribute of said scan module 102, is subject to the optically read performance of said scan module 102.
Said second judge module 110 is used to judge whether the bar image that said scan module 102 obtains along said first direction scanning continuously is non-blank-white when said second party moves up a second distance.Said second distance is for to judge whether an image-region is the experience distance value of non-blank-white; When said scan module 102 scans the image that obtains on a position is non-blank-white; And when the image that obtains of scanning all is non-blank-white on next continuous position; Whether the distance of judging these positions when condition satisfy, judges at this image that apart from lining scanning obtain be non-blank-white zone more than or equal to said second distance.Writing down with rgb value in the execution mode of each color of pixel; Judge whether an image is non-blank-white; Be whether to comprise at least one non-pure white pixel with this image to distinguish; When having one in the three primary colors brightness value of the rgb value of a pixel at least less than 255 the time, represent that this pixel is non-pure white, the image of also having represented to comprise this pixel is a non-blank-white.
The said second scan control module 112, be used for when the judged result of second judge module 110 when being, control said stepping module 104 and move said scan module 102 with the said printing figure of one second resolution scan shelves with a second speed.For guaranteeing the picture quality of scanning, for the non-blank-white zone, should scan with slower speed with higher resolution, therefore, said second speed is less than said first speed, and said second resolution is greater than said first resolution.
See also Fig. 2; Schematically show the process that scans printing figure shelves according to the image processing apparatus of one embodiment of the present invention among the figure; Rectangle among the figure is represented the printing figure shelves that a quilt is scanned, and first direction is the scanning direction of said scan module 102, and second direction is the direct of travel that said stepping module 104 moves said scan module 102; Dash area in the rectangle is represented non-blank-white zone, the pure white Regional Representative's white space in the rectangle.Said scan module 102 moves down along second direction from the top edge of printing figure shelves under the control of said stepping module 104, and along first direction printing figure shelves is scanned simultaneously.When said scan module 102 moves to the lower limb in first non-blank-white zone; Said first judge module 106 is judged said scan module 102 and is got into a white space; This moment, said stepping module 104 was adjusted into first speed with the gait of march of said scan module 102, and the scanning resolution of said scan module 102 is adjusted into first resolution, wherein; The speed of said first speed during, said first resolution resolution during less than normal scan greater than normal scan.When said scan module 102 moves to the lower limb of first white space; Said second judge module 110 is judged said scan module 102 and is got into a non-blank-white zone; This moment, said stepping module 104 was adjusted into second speed with the gait of march of said scan module 102, and the scanning resolution of said scan module 102 is adjusted into second resolution, wherein; Said second speed is less than said first speed, and said second resolution is greater than said first resolution.
See also Fig. 3; Schematically show flow chart among the figure according to the control image processing apparatus of one embodiment of the present invention; Said image processing apparatus comprises scan module and stepping module; Said scan module is used for scanning said printing figure shelves along a first direction of said printing figure shelves; The scanning width of said scan module is not less than the width of the first direction of said printing figure shelves, and said stepping module is used for said method comprising the steps of at the said scan module that moves up of the second party perpendicular to said first direction:
Step S202 controls said stepping module and moves said scan module and scan said printing figure shelves.In one embodiment, said scan module writes down each color of pixel with rgb value, and said rgb value comprises the brightness value of Red Green Blue respectively.
Step S204, obtain said scan module said second party move up one first apart from the time bar image that obtains continuously along said first direction scanning.
Step S206 judges whether the bar image in step S204, obtain is blank, when the result when being, get into step S208, when the result when denying, return step S204.Writing down with rgb value in the execution mode of each color of pixel; Judge whether an image is blank; Be whether all to be 255 to distinguish, when the rgb value of a pixel is (255,255 with the three primary colors brightness value of the rgb value of each pixel of this image; 255) time, represent that this pixel is a pure white.It will be understood by those of skill in the art that visual white is not an absolute value, but a value range, in different embodiment, span size that can white is set to difference.
Step S208 controls said stepping module and moves said scan module with the said printing figure of one first resolution scan shelves with one first speed.The speed of said first speed during, said first resolution resolution during less than normal scan greater than normal scan.
Step S210 obtains the bar image that said scan module obtains along said first direction scanning continuously when said second party moves up a second distance.
Step S212 judges whether the bar image in step S210, obtain is non-blank-white, when the result when being, get into step S214, when the result when denying, return step S210.Writing down with rgb value in the execution mode of each color of pixel; Judge whether an image is non-blank-white; Be whether to comprise at least one non-pure white pixel with this image to distinguish; When having one in the three primary colors brightness value of the rgb value of a pixel at least less than 255 the time, represent that this pixel is non-pure white, the image of also having represented to comprise this pixel is a non-blank-white.
Step S214 controls said stepping module and moves said scan module with the said printing figure of one second resolution scan shelves with a second speed.Said second speed is less than said first speed, and said second resolution is greater than said first resolution.
To one skilled in the art, can combine the actual needs of production to make other corresponding changes or adjustment according to invention scheme of the present invention and inventive concept, and these changes and adjustment all should belong to the protection range of claim of the present invention.
Claims (10)
1. an image processing apparatus is used to scan printing figure shelves, and it is characterized in that: said image processing apparatus comprises:
Scan module is used for scanning said printing figure shelves along a first direction of said printing figure shelves;
The stepping module is used at the said scan module that moves up of the second party perpendicular to said first direction;
First judge module, be used to judge said scan module said second party move up one first apart from the time bar image that obtains along said first direction scanning continuously whether be blank; And
The first scan control module, be used for when the judged result of first judge module when being, control said scan module with the said printing figure of one first resolution scan shelves.
2. image processing apparatus as claimed in claim 1 is characterized in that: the said first scan control module also is used to control said stepping module and moves said scan module with one first speed.
3. image processing apparatus as claimed in claim 1 is characterized in that: said image processing apparatus also comprises:
Second judge module is used to judge whether the bar image that said scan module obtains along said first direction scanning continuously is non-blank-white when said second party moves up a second distance; And
The second scan control module, be used for when the judged result of second judge module when being, control said scan module with the said printing figure of one second resolution scan shelves.
4. image processing apparatus as claimed in claim 3 is characterized in that: the said second scan control module also is used to control said stepping module and moves said scan module with a second speed.
5. like claim 3 or 4 described image processing apparatus, it is characterized in that: said second resolution is greater than said first resolution.
6. control method; Be used to control an image processing apparatus and scan printing figure shelves; Said image processing apparatus comprises scan module and stepping module; The first direction that said scan module is used for along said printing figure shelves scans said printing figure shelves, and said stepping module is used at the said scan module that moves up of the second party perpendicular to said first direction, and it is characterized in that: said method comprises:
Controlling said stepping module moves said scan module and scans said printing figure shelves;
Obtain said scan module said second party move up one first apart from the time one first bar image that obtains continuously along said first direction scanning;
When judging said first bar image, control said scan module with the said printing figure of one first resolution scan shelves for blank.
7. control method as claimed in claim 6 is characterized in that: said method also comprises:
When judging said first bar image, control said stepping module and move said scan module with one first speed for blank.
8. control method as claimed in claim 6 is characterized in that: said method also comprises:
Obtain one second bar image that said scan module obtains along said first direction scanning continuously when said second party moves up a second distance; And
Judge when said second bar image is non-blank-white, control said scan module with the said printing figure of one second resolution scan shelves.
9. control method as claimed in claim 8 is characterized in that: said method also comprises:
When judging said second bar image, control said stepping module and move said scan module with a second speed for blank.
10. like claim 8 or 9 described control methods, it is characterized in that: said second resolution is greater than said first resolution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100851857A CN102739907A (en) | 2011-04-06 | 2011-04-06 | Image processing apparatus and method for controlling image processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100851857A CN102739907A (en) | 2011-04-06 | 2011-04-06 | Image processing apparatus and method for controlling image processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102739907A true CN102739907A (en) | 2012-10-17 |
Family
ID=46994648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100851857A Pending CN102739907A (en) | 2011-04-06 | 2011-04-06 | Image processing apparatus and method for controlling image processing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102739907A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105323417A (en) * | 2015-09-28 | 2016-02-10 | 天津光电通信技术有限公司 | Print data processing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003219116A (en) * | 2001-12-14 | 2003-07-31 | Toshiba Tec Corp | Image processing device and its controlling method |
| CN2582291Y (en) * | 2002-11-18 | 2003-10-22 | 光宝科技股份有限公司 | Device for sensing and monitoring image |
| CN1497935A (en) * | 2002-09-27 | 2004-05-19 | ���ǵ�����ʽ���� | Machine for combining platform scanner/printer |
| CN1527584A (en) * | 2003-01-15 | 2004-09-08 | ���ǵ�����ʽ���� | Method for scanning docaments using prescanning operation |
| TW200731760A (en) * | 2006-02-13 | 2007-08-16 | Benq Corp | Image capturing method and image-capturing device thereof |
-
2011
- 2011-04-06 CN CN2011100851857A patent/CN102739907A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003219116A (en) * | 2001-12-14 | 2003-07-31 | Toshiba Tec Corp | Image processing device and its controlling method |
| CN1497935A (en) * | 2002-09-27 | 2004-05-19 | ���ǵ�����ʽ���� | Machine for combining platform scanner/printer |
| CN2582291Y (en) * | 2002-11-18 | 2003-10-22 | 光宝科技股份有限公司 | Device for sensing and monitoring image |
| CN1527584A (en) * | 2003-01-15 | 2004-09-08 | ���ǵ�����ʽ���� | Method for scanning docaments using prescanning operation |
| TW200731760A (en) * | 2006-02-13 | 2007-08-16 | Benq Corp | Image capturing method and image-capturing device thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105323417A (en) * | 2015-09-28 | 2016-02-10 | 天津光电通信技术有限公司 | Print data processing method |
| CN105323417B (en) * | 2015-09-28 | 2018-12-18 | 天津光电通信技术有限公司 | A kind of print data processing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9473672B2 (en) | Image reading apparatus, including abnormal pixel detection, and image reading method | |
| JP6221682B2 (en) | Image processing apparatus, imaging system, image processing method, and program | |
| US20150326752A1 (en) | Image processing apparatus and recording medium | |
| KR20100086510A (en) | Solid-state imaging element and imaging device using the same | |
| US20070035755A1 (en) | Composite image forming system | |
| KR102055293B1 (en) | Apparatus, method, and storage medium storing program | |
| CN102254302A (en) | Picture trimming system and method thereof | |
| US20120147432A1 (en) | Image processing apparatus, image processing method, image processing program, and storage medium | |
| US20120162675A1 (en) | Image processing apparatus and method of controlling same | |
| KR101178777B1 (en) | Image processing apparatus, image processing method and computer readable-medium | |
| CN111062867A (en) | Video super-resolution reconstruction method | |
| US10820010B2 (en) | Methods and devices for encoding a video stream using a first and a second encoder | |
| US8432578B2 (en) | Serial printer for reducing printer head movement | |
| US7616357B2 (en) | Image processing apparatus, method for controlling image processing apparatus | |
| JP6686671B2 (en) | Image reading apparatus and image reading method | |
| JPH11127454A (en) | Method for correcting image data | |
| CN102739907A (en) | Image processing apparatus and method for controlling image processing apparatus | |
| US7893973B2 (en) | Image processor and image processing method using luminance value rate change | |
| JP2008064624A (en) | Imaging apparatus and method | |
| JP2008035511A (en) | Image processing device, image processing method, and image processing program | |
| CN102739889B (en) | Printing configuration method of multifunctional machine | |
| CN102739888A (en) | Image processing apparatus and method for controlling image processing apparatus | |
| JP2005284635A (en) | Image forming apparatus, image forming method and image forming program | |
| JP2014127779A (en) | Image processing apparatus and image forming apparatus | |
| TW201242334A (en) | Image processing apparatus and method for controlling image processing apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160602 Address after: 518000 Guangdong Province, Shenzhen New District of Longhua City, Dalang street, Hua Sheng Lu Yong Jingxuan commercial building 1608 Applicant after: Jinyang Shenzhen sea Network Intelligent Technology Co., Ltd. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Applicant before: Hongfujin Precise Industry (Shenzhen) Co., Ltd. Applicant before: Hon Hai Precision Industry Co., Ltd. |
|
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121017 |
|
| RJ01 | Rejection of invention patent application after publication |