CN104104826A - Wide-width image scanning system and realization method thereof - Google Patents
Wide-width image scanning system and realization method thereof Download PDFInfo
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- CN104104826A CN104104826A CN201410313789.6A CN201410313789A CN104104826A CN 104104826 A CN104104826 A CN 104104826A CN 201410313789 A CN201410313789 A CN 201410313789A CN 104104826 A CN104104826 A CN 104104826A
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Abstract
The invention discloses a wide-width image scanning system and a realization method thereof, and solves problems that existing wide-width image scanning systems are low in data processing speed and complex in structure. The wide-width image scanning system comprises an upper computer, a USB3.0 controller of which the model number is EZ-USBFX3 and is bi-directionally connected with the upper computer, a CPU and an electric erasable and programmable read-only memory which are bi-directionally connected with the USB3.0 controller, and at least two CIS analog front ends which are arranged side by side. Each CIS analog front end comprises a CIS light source drive module which is connected with the CPU, a CIS sensor which is connected with the CIS light source drive module, and an analog-to-digital converter of which the input end is connected with the output end of the CIS sensor and the output end is connected with the input end of the CPU. The wide-width image scanning system is simple in structure and convenient to realize so that the wide-width image scanning system has characteristics of being large in data processing amount and high in processing speed, and thus the wide-width image scanning system is suitable for popularization and application.
Description
Technical field
The present invention relates to a kind of wide cut image scanning system, what be specifically related to is a kind of wide cut image scanning system and its implementation.
Background technology
Wide cut image scanning system is mainly used in the large format scanning of industrial aspect.Along with scientific and technological development and progress, scanning system needs data volume to be processed also increasing, yet, existing wide cut image scanning system is due to the deficiency of self system, more and more be difficult to meet the progress of current industrial development, their shortcoming is mainly manifested in: (1) processing speed is slow, causes showing that the time of image is too very long; (2) complex structure, manufacturing cost is higher.
Therefore, need to effectively improve existing wide cut image scanning system, can meet the demand of industrial development.
Summary of the invention
The object of the present invention is to provide a kind of wide cut image scanning system and its implementation, mainly solve existing wide cut image scanning system and have data processing speed slowly and baroque problem.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of wide cut image scanning system, comprise host computer, the USB3.0 controller that is EZ-USB FX3 with the two-way model being connected of this host computer, all with the two-way CPU being connected of this USB3.0 controller and EEPROM (Electrically Erasable Programmable Read Only Memo), and is at least two CIS AFE (analog front end) that are arranged side by side; Described CIS AFE (analog front end) comprises the CIS light source driver module being connected with CPU, the CIS transducer being connected with this CIS light source driver module, and input and CIS transducer output is connected, output is connected with CPU input analog to digital converter.
Further, the present invention also comprises the random access memory being connected with power module outlet with input, and this random access memory is connected with CPU is two-way.
On above-mentioned hardware foundation, the present invention also provides the implementation method of this wide cut image scanning system, comprises the following steps:
(1) host computer sends work order to USB3.0 controller, and USB3.0 controller is processed after receiving instruction, and transfers to CPU;
(2) CPU receives data and processes, and then clocking controls all CIS AFE (analog front end) view data of acquisition scans object various piece respectively;
(3) CIS AFE (analog front end) has gathered and has fed back to CPU after view data and process, and then by USB3.0 controller, transfers to host computer;
(4) host computer is further processed the data that receive, and the data of all CIS AFE (analog front end) collections are spliced, and forms complete wide cut image, and image is shown.
Further, in described step (2), the concrete acquisition process process of single CIS AFE (analog front end) is as follows:
(2a) CPU is to CIS light source driver module transfer instruction, and CIS light source driver module is lighted CIS transducer, and controls CIS transducer acquisition of image data;
(2b) the backward analog to digital converter transportation simulator of CIS transducer acquisition of image data level signal;
(2c) analog to digital converter receives after analog level signal, converts thereof into digital signal level.
Again further, in described step (3), CPU, in the process of view data of processing CIS AFE (analog front end) feedback, is also stored in data in random access memory temporarily.
Further, in described step (1)～(4), USB3.0 controller reads corresponding operation code from EEPROM (Electrically Erasable Programmable Read Only Memo).
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention is simple in structure, data transmission bauds is fast, and treating capacity is large.
(2) the present invention combines by effective hardware configuration, and carry out suitable programming, promoted the disposal ability of system to view data, make the performance of system obtain significantly promoting, design of the present invention has been accelerated the displaying time of wide cut image, its data processing speed is far away higher than the data processing speed of prior art, can meet the demand of industrial development completely, and system configuration is tending towards simplifying, therefore, not only manufacture production more convenient, production efficiency is higher, and manufacturing cost is also significantly reduced.
(3) the present invention is also provided with random access memory, can in the process of CPU deal with data, temporarily data be stored, facilitate CPU to call related data and process, avoid CPU to get muddled and cause fluctuation of service, its data-handling capacity is further brought into play.
(4) the present invention adopts EEPROM (Electrically Erasable Programmable Read Only Memo) to store the corresponding operation code of USB3.0 controller, and because it has revisable characteristic able to programme, therefore, this has also significantly improved stability and the extendability of systemic-function.
(5) cost performance of the present invention is high, with low cost, has very high using value.
Accompanying drawing explanation
Fig. 1 is system configuration schematic diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment
As shown in Figure 1, the present invention includes host computer, USB3.0 controller, EEPROM (Electrically Erasable Programmable Read Only Memo) (being EEPROM), CPU and a plurality of CIS AFE (analog front end), wherein, host computer and EEPROM (Electrically Erasable Programmable Read Only Memo) are all connected with USB3.0 controller is two-way, CPU is connected with USB3.0 controller is two-way, in the present embodiment, the model that USB3.0 controller is selected is EZ-USB FX3, and EEPROM (Electrically Erasable Programmable Read Only Memo) is used for storing this USB3.0 controller operation code.A plurality of CIS AFE (analog front end) are connected with CPU is two-way simultaneously, and all CIS AFE (analog front end) arrange in mode side by side.Specifically, each CIS AFE (analog front end) includes the CIS light source driver module being connected with CPU, the CIS transducer being connected with this CIS light source driver module, and input and CIS transducer output is connected, output is connected with CPU input analog to digital converter.
Described CPU is as the core processing part of IMAQ data, it is in the process of deal with data, for convenience of deal with data, partial data can be stored in its two-way random access memory being connected (being RAM) temporarily, and the input of this random access memory is also connected with the output of power module.
On the basis of above-mentioned hardware configuration, below workflow of the present invention is introduced, as described below:
(1) host computer sends work order to USB3.0 controller, and USB3.0 controller is processed after receiving instruction, and transfers to CPU;
(2) CPU receives data and processes, and then clocking controls all CIS AFE (analog front end) view data of acquisition scans object various piece respectively;
In this step, the concrete acquisition process process of single CIS AFE (analog front end) is as follows:
(2a) CPU is to CIS light source driver module transfer instruction, and CIS light source driver module is lighted CIS transducer, and controls CIS transducer acquisition of image data;
(2b) the backward analog to digital converter transportation simulator of CIS transducer acquisition of image data level signal;
(2c) analog to digital converter receives after analog level signal, converts thereof into digital signal level;
(3) CIS AFE (analog front end) has gathered and has fed back to CPU after view data and process, and then by USB3.0 controller, transfers to host computer;
(4) host computer is further processed the data that receive, and the data of all CIS AFE (analog front end) collections are spliced, and forms complete wide cut image, and image is shown.
The present invention utilizes the characteristic of USB3.0 controller, and after in conjunction with host computer and CPU, by suitable programming, fast transport and efficient processing of data have been realized, its transmission bandwidth can be up to 5.0Gbps, and therefore, the present invention had both simplified system configuration, realized again the function of fast processing data, the time of transmission, processing and the demonstration of acquisition of image data is significantly shortened.
Above-described embodiment is only preferably one of implementation of the present invention; should be for not limiting the scope of the invention; the all change of having no essential meaning or polishings of having done under spiritual principles of the present invention; or be equal to the technical scheme of displacement; its technical problem solving is consistent with the present invention in fact, within all should being summarised in protection scope of the present invention.
Claims (6)
1. a wide cut image scanning system, it is characterized in that, comprise host computer, the USB3.0 controller that is EZ-USB FX3 with the two-way model being connected of this host computer, all with the two-way CPU being connected of this USB3.0 controller and EEPROM (Electrically Erasable Programmable Read Only Memo), and be at least two CIS AFE (analog front end) that are arranged side by side; Described CIS AFE (analog front end) comprises the CIS light source driver module being connected with CPU, the CIS transducer being connected with this CIS light source driver module, and input and CIS transducer output is connected, output is connected with CPU input analog to digital converter.
2. a kind of wide cut image scanning system according to claim 1, is characterized in that, also comprises the random access memory being connected with power module outlet with input, and this random access memory is connected with CPU is two-way.
3. an implementation method for wide cut image scanning system, is characterized in that, comprises the following steps:
(1) host computer sends work order to USB3.0 controller, and USB3.0 controller is processed after receiving instruction, and transfers to CPU;
(2) CPU receives data and processes, and then clocking controls all CIS AFE (analog front end) view data of acquisition scans object various piece respectively;
(3) CIS AFE (analog front end) has gathered and has fed back to CPU after view data and process, and then by USB3.0 controller, transfers to host computer;
(4) host computer is further processed the data that receive, and the data of all CIS AFE (analog front end) collections are spliced, and forms complete wide cut image, and image is shown.
4. the implementation method of a kind of wide cut image scanning system according to claim 3, is characterized in that, in described step (2), the concrete acquisition process process of single CIS AFE (analog front end) is as follows:
(2a) CPU is to CIS light source driver module transfer instruction, and CIS light source driver module is lighted CIS transducer, and controls CIS transducer acquisition of image data;
(2b) the backward analog to digital converter transportation simulator of CIS transducer acquisition of image data level signal;
(2c) analog to digital converter receives after analog level signal, converts thereof into digital signal level.
5. the implementation method of a kind of wide cut image scanning system according to claim 4, is characterized in that, in described step (3), CPU, in the process of view data of processing CIS AFE (analog front end) feedback, is also stored in data in random access memory temporarily.
6. the implementation method of a kind of wide cut image scanning system according to claim 5, is characterized in that, in described step (1)～(4), USB3.0 controller reads corresponding operation code from EEPROM (Electrically Erasable Programmable Read Only Memo).
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| CN106657710A (en) * | 2016-12-05 | 2017-05-10 | 威海华菱光电股份有限公司 | Frame component and contact image sensor with the same |
| CN108845963A (en) * | 2018-06-08 | 2018-11-20 | 宁波华高信息科技有限公司 | A kind of rapid transmission method of the CIS AFE(analog front end) data based on FPGA |
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| CN106657710B (en) * | 2016-12-05 | 2023-10-10 | 威海华菱光电股份有限公司 | Frame assembly and contact type image sensor with same |
| CN108845963A (en) * | 2018-06-08 | 2018-11-20 | 宁波华高信息科技有限公司 | A kind of rapid transmission method of the CIS AFE(analog front end) data based on FPGA |
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Effective date of registration: 20190109 Address after: 610000 Chenghua District, Chengdu City, Sichuan Province, No. 17, 18, 19, 20, Floor 20, Building 2, Building 2, Section 3 of Jianbei Road Patentee after: CHENGDU HOLDTECS CO., LTD. Address before: 315000 Xinxing Industrial Park, Shounan Street, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: NINGBO SHUYOU ELECTRONIC TECHNOLOGY CO., LTD. |