CN110740224A - scanner with image processing function - Google Patents
scanner with image processing function Download PDFInfo
- Publication number
- CN110740224A CN110740224A CN201911000840.7A CN201911000840A CN110740224A CN 110740224 A CN110740224 A CN 110740224A CN 201911000840 A CN201911000840 A CN 201911000840A CN 110740224 A CN110740224 A CN 110740224A
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- CN
- China
- Prior art keywords
- image processing
- scanner
- module
- scanning mechanism
- control circuit
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- 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.)
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
Abstract
The invention relates to the technical field of computer input equipment, in particular to scanners with image processing functions, which comprise a body, a manuscript table, a scanning mechanism and a control circuit, wherein the body is used for installing the scanning mechanism, a direction conversion system and the control circuit, the manuscript table is used for placing manuscripts, the scanning mechanism is used for scanning the manuscripts placed on the manuscript table, the control circuit is used for controlling the scanning mechanism to scan documents and process images of the scanned images, and the scanner is a flat-plate scanner or a paper-feeding automatic scanner.
Description
Technical Field
The invention relates to the technical field of computer input equipment, in particular to scanners with image processing functions.
Background
Scanners (scanners), which are devices that convert graphics or image information into digital signals in a scanning manner using electro-optical technology and digital processing technology, are commonly used in computer peripheral equipment, and extract and convert original lines, graphics, characters, photographs, and planar real objects into devices that can be edited and added to documents by capturing images and converting them into digital input devices that can be displayed, edited, stored, and output by a computer.
The use of the traditional scanner needs to install a drive at a PC end, then the PC end is used for controlling the scanner to carry out scanning work, then the scanner transmits picture information to the PC end, the PC end utilizes software and hardware to process the picture information (pixel compensation, color correction, gamma correction, reticulation removal, noise point removal, automatic cutting and deviation correction), and finally a scanned file of a manuscript is obtained; the whole scanning-processing process needs the driver installed at the PC end to work cooperatively, and the data transmission amount is very large when the unprocessed image information is transmitted from the data transmission port of the flat-bed scanner or the paper-feeding automatic scanner to the PC end, which results in long transmission time, large communication load between the scanner and the PC end, and easy occurrence of data loss risk.
Disclosure of Invention
In order to solve the above problems, scanners with image processing function are proposed, where the image processing function is set on the control panel of the scanner, and the scanned image is processed in the scanner part, so as to reduce data transmission amount, reduce ac load and shorten transmission time, and avoid data loss, and have the advantages of improving office efficiency and improving data integrity.
In order to achieve the technical effects, the specific technical scheme of the invention is that scanners with image processing function comprise a machine body, a manuscript table, a scanning mechanism and a control circuit;
the machine body is used for installing a scanning mechanism, a direction conversion system and a control circuit;
the manuscript table is used for placing manuscripts;
the scanning mechanism is used for scanning manuscripts placed on the manuscript table;
the control circuit is used for controlling the scanning mechanism to scan the document and perform image processing on the scanned image;
the scanner is a flat-plate scanner or a paper-feeding automatic scanner.
Preferably, an image processing system is arranged in the control circuit; the image processing system comprises a shell and an image processing circuit board arranged inside the shell; an external port capable of being connected to a scanning mechanism is formed in the side wall of the shell; the image processing circuit board is used for carrying out pixel compensation, color correction, gamma correction, reticulation removal, noise point removal, automatic cutting and deviation correction on the image information transmitted by the scanning mechanism.
Preferably, the image processing circuit board is provided with a power module, an FPGA module, an SDRAM module, an image processing module and a data exchange port; the FPGA module is respectively connected to the external port, the SDRAM module and the image processing module; the image processing module is connected to the data exchange port, and the FPGA module is internally provided with modules for pixel compensation, color correction, gamma correction, reticulation removal, noise point removal, automatic cutting, compression, deviation correction and the like.
In order to realize direct reading of the scanned image, the data exchange port is a memory, and the memory is connected to the image processing module.
Preferably, a USB interface is arranged on the outer wall of the body, and the USB interface is connected with the image processing module.
By adopting the technical scheme, the invention has the following beneficial effects:
1. the image processing function is arranged in a control circuit of the scanner, and the scanner part processes the scanned image, so that the data transmission quantity is reduced, the alternating current load is reduced, the transmission time is shortened, and the data loss is avoided.
2. The memory is arranged, so that a user can directly read the processed scanned picture on the scanner, and the use function of the scanner is expanded.
Drawings
Fig. 1 is a schematic structural diagram of an image processing circuit board, wherein: 1. a power supply module; 2. an FPGA module; 3. an SDRAM module; 4. an image processing module; 5. a memory; 6. a USB interface; 7. and a scanning module.
Detailed Description
The present invention will now be described in detail with reference to the drawings attached hereto.
This example provides scanners with image processing capabilities, and this embodiment is applicable to both flatbed scanners and sheet fed auto scanners.
The scanner comprises a machine body, a manuscript table, a scanning mechanism and a control circuit;
the machine body is used for installing a scanning mechanism, a direction conversion system and a control circuit;
the manuscript table is used for placing manuscripts;
the scanning mechanism is used for scanning manuscripts placed on the manuscript table;
the control circuit is used for controlling the scanning mechanism to scan the document and perform image processing on the scanned image. The control circuit is provided with an image processing system; the image processing system comprises a shell and an image processing circuit board arranged in the shell; an external port capable of being connected to a scanning mechanism is formed in the side wall of the shell; the image processing circuit board is used for carrying out pixel compensation, color correction, gamma correction, reticulation removal, noise point removal, compression, automatic cutting and deviation correction on the image information transmitted by the scanning mechanism. The image processing circuit board is provided with a power module 1, an FPGA module 2, an SDRAM module 3, an image processing module 4 and a data exchange port; the FPGA module 2 is respectively connected to an external port, the SDRAM module 3 and the image processing module 4; the image processing module 4 is connected to the data exchange port, and the FPGA module 2 is internally provided with a pixel compensation, color correction, gamma correction, reticulation removal, noise point removal, automatic cutting and deviation correction processing module. The data exchange port is a USB, and the USB is connected to the image processing module 4. The outer wall of the machine body is provided with a USB interface 6, and the USB interface 6 is connected with the image processing module 4.
Compared with the traditional flat-plate scanner or paper-feeding automatic scanner, the working process of the scanner provided by the invention is as follows: installing a driver at a PC end, and then controlling a control circuit of a scanner to perform scanning work by using the PC end; in the scanning process, the control circuit sends out an instruction to enable the scanning mechanism to start to operate, and the manuscript on the manuscript table is subjected to photoelectric conversion to complete optical scanning, so that unprocessed image information is obtained; unprocessed image information is transmitted to a control circuit, the control circuit transmits the information to an FPGA module 2 instead of directly transmitting the information to a PC (personal computer), the FPGA module 2 and an image processing module 4 process the image information through a built-in pixel compensation, color correction, gamma correction, cobwebbing removal, noise point removal, automatic cutting and correction processing module to obtain processed image data, and the processed image data are output to an SDRAM (synchronous dynamic random access memory) module 3 for temporary storage, and the data volume of the image data is greatly reduced compared with the unprocessed image data; at the moment, the PC end can be directly connected with the FPGA module 2 and the image processing module 4 through data lines for reading the processed image information, so that the alternating current load is reduced, the transmission time is shortened, and meanwhile, the data loss is also avoided.
The FPGA module 2 is connected with the image processing module 4, the image processing module 4 reads the information of the SDRAM module 3, the information is spliced and converted into files with PDF or JPG formats and the like to be stored in the memory 5, and a user can directly obtain scanned files which are subjected to image processing and have proper formats by accessing the USB interface 6.
Claims (5)
1, scanner with image processing function, which is characterized in that the scanner comprises a body, a manuscript table, a scanning mechanism and a control circuit;
the machine body is used for installing a scanning mechanism, a direction conversion system and a control circuit;
the manuscript table is used for placing manuscripts;
the scanning mechanism is used for scanning manuscripts placed on the manuscript table;
the control circuit is used for controlling the scanning mechanism to scan the document and perform image processing on the scanned image;
the scanner is a flat-plate scanner or a paper-feeding automatic scanner.
2. The scanner with image processing function according to claim 1, wherein the control circuit comprises an image processing system including a housing and an image processing circuit board disposed inside the housing, the housing has an external port on a sidewall thereof for connection to the scanning mechanism, and the image processing circuit board is used for performing pixel compensation, color correction, gamma correction, descreening, noise reduction, automatic trimming and correction on the image information transmitted by the scanning mechanism.
3. The scanner with image processing function according to claim 2, wherein the image processing circuit board is provided with a power module, an FPGA module, an SDRAM module, an image processing module and a data exchange port, the FPGA module is connected to the external port, the SDRAM module and the image processing module, the image processing module is connected to the data exchange port, and the FPGA and image processing module are internally provided with pixel compensation, color correction, gamma correction, descreening, noise point removal, automatic cutting, compression, and correction processing modules.
4. The scanner with image processing function according to claim 3, wherein the data exchange port is a USB connected to the image processing module.
5. The scanner with image processing function according to claim 4, wherein a USB interface is provided on the outer wall of the housing, and the USB interface is connected to the image processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911000840.7A CN110740224A (en) | 2019-10-21 | 2019-10-21 | scanner with image processing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911000840.7A CN110740224A (en) | 2019-10-21 | 2019-10-21 | scanner with image processing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110740224A true CN110740224A (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911000840.7A Pending CN110740224A (en) | 2019-10-21 | 2019-10-21 | scanner with image processing function |
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| CN (1) | CN110740224A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080247003A1 (en) * | 2007-04-03 | 2008-10-09 | Samsung Electronics Co., Ltd. | Method and apparatus for removing show-through in scanned image |
| CN101345809A (en) * | 2008-07-31 | 2009-01-14 | 苏州佳世达电通有限公司 | Method for automatically cutting manuscripts scanning image boundary |
| CN101345806A (en) * | 2008-08-15 | 2009-01-14 | 苏州佳世达电通有限公司 | Scanning method for automatically performing scanning extended function and its auxiliary device |
| CN101895664A (en) * | 2009-05-19 | 2010-11-24 | 株式会社圣度 | A4-size scanner for a3 documents with transverse document feeding port |
| CN208386705U (en) * | 2018-05-09 | 2019-01-15 | 西安电子科技大学 | A kind of image processing apparatus for portable scanner |
-
2019
- 2019-10-21 CN CN201911000840.7A patent/CN110740224A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080247003A1 (en) * | 2007-04-03 | 2008-10-09 | Samsung Electronics Co., Ltd. | Method and apparatus for removing show-through in scanned image |
| CN101345809A (en) * | 2008-07-31 | 2009-01-14 | 苏州佳世达电通有限公司 | Method for automatically cutting manuscripts scanning image boundary |
| CN101345806A (en) * | 2008-08-15 | 2009-01-14 | 苏州佳世达电通有限公司 | Scanning method for automatically performing scanning extended function and its auxiliary device |
| CN101895664A (en) * | 2009-05-19 | 2010-11-24 | 株式会社圣度 | A4-size scanner for a3 documents with transverse document feeding port |
| CN208386705U (en) * | 2018-05-09 | 2019-01-15 | 西安电子科技大学 | A kind of image processing apparatus for portable scanner |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20200131 |