File scanning method, system and equipment based on pre-scanning and post-processing and medium

Abstract

The invention discloses a file scanning method, system and device based on pre-scanning and post-processing and a medium, and the method comprises the following steps: carrying out the rapid pre-scanning of a file, and obtaining the initial image information of the file; according to image information obtained through pre-scanning, whether the brightness of the current light supplementing lamp meets the user requirement or not is judged; if the judgment result is not satisfied, the brightness of the light supplementing lamp is automatically adjusted; after the brightness of the light supplement lamp is adjusted, formally scanning the file to obtain a scanned image; performing post-processing on the formally scanned file, including definition or gray value adjustment, so as to improve the scanning quality; according to the method, whether the brightness of the light supplementing lamp meets the user requirement or not can be judged through pre-scanning, the brightness is automatically adjusted when the brightness does not meet the user requirement, and meanwhile definition or gray value adjustment is conducted on the file after scanning is completed so as to improve the file scanning quality.

Description

Technical Field

[0001] The present invention relates to the field of file scanning technology, and in particular to a file scanning method, system, device and medium based on pre-scanning and post-processing. Background Art

[0002] In the document scanning process, the brightness of the fill light and the image processing after scanning are the key factors affecting the scanning quality. Traditional document scanning devices usually lack the function of automatically adjusting the brightness of the fill light, and the image processing after scanning often relies on manual adjustment, which leads to the instability and low efficiency of the scanning results. Therefore, it is particularly important to develop a document scanning method that can automatically adjust the brightness of the fill light and perform image processing after scanning. Summary of the invention

[0003] The object of the present invention is to provide a file scanning method, system, device and medium based on pre-scanning and post-processing, thereby solving all or one of the above problems existing in the prior art.

[0004] In order to solve the above technical problems, the specific technical solutions of the present invention are as follows: In one aspect, the present invention provides a file scanning method based on pre-scanning and post-processing, comprising the following steps: Perform a quick pre-scan of the document to obtain preliminary image information of the document; According to the image information obtained by the pre-scan, determine whether the brightness of the current fill light meets the user's needs; If the judgment result is not satisfied, the brightness of the fill light is automatically adjusted; After the brightness of the fill light is adjusted, the document is formally scanned to obtain a scanned image; Post-process the scanned documents, including adjusting the clarity or grayscale value, to improve the scan quality.

[0005] In one embodiment, the method of automatically adjusting the brightness of the fill light includes: changing the power of the light source, adjusting the aperture opening, or changing the transmittance of the filter.

[0006] In one embodiment, the post-processing includes: denoising, sharpening and color correction.

[0007] In one implementation manner, when determining whether the brightness of the current fill light meets the user's needs, the type of file, color depth, and lighting environment factors are considered.

[0008] On the other hand, the present invention also provides a file scanning system based on pre-scanning and post-processing, comprising: A pre-scanning module is used to quickly pre-scan the document and obtain preliminary image information of the document; A brightness adjustment module, used to automatically adjust the brightness of the fill light according to the pre-scanning result; The formal scanning module is used to perform formal scanning of the document after the brightness adjustment of the fill light is completed; The post-processing module is used to perform post-processing operations such as adjusting the clarity or grayscale value of the document after formal scanning.

[0009] In one embodiment, the pre-scan module is further used to perform preliminary processing on the image obtained by the pre-scan, and improve the accuracy of brightness judgment of the image through the preliminary processing.

[0010] In one embodiment, the post-processing module is further used to receive specific instructions from the user regarding adjustment of clarity or grayscale values, and perform adjustments according to the instructions.

[0011] In one embodiment, it further includes: a storage module; The storage module is used to store the pre-scanned image, the formally scanned image and the post-processed image.

[0012] On the other hand, the present invention further provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the steps of the file scanning method based on pre-scanning and post-processing are implemented.

[0013] On the other hand, the present invention further provides a computer device, comprising a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory communicate with each other via the communication bus; wherein: The memory is used to store computer programs; The processor is used to execute the steps of the file scanning method based on pre-scanning and post-processing by running the program stored in the memory.

[0014] The beneficial effects of the technical solution of the present invention are: The file scanning method based on pre-scanning and post-processing described in the present invention can determine whether the brightness of the fill light meets the user's needs through pre-scanning, and automatically adjust the brightness if it does not meet the needs. At the same time, the clarity or grayscale value of the file is adjusted after the scanning is completed to improve the file scanning quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 is a flowchart of a file scanning method based on pre-scanning and post-processing according to Embodiment 1 of the present invention; Figure 2 is a schematic diagram of the architecture of a file scanning system based on pre-scanning and post-processing according to Embodiment 2 of the present invention; Figure 3 is a schematic diagram of the structure of the computer device described in Example 4 of the present invention; The symbols in the accompanying drawings are explained as follows: 1501, processor; 1502, communication interface; 1503, memory; 1504, communication bus. DETAILED DESCRIPTION

[0017] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0018] In the description of the present invention, it should be noted that the embodiments described in the present invention are only part of the embodiments of the present invention, rather than all of the embodiments; based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present invention.

[0019] The terms "first", "second", etc. in the specification and claims of this article and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of this article described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, device, product or equipment that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or equipment. Example 1

[0020] This embodiment provides a file scanning method based on pre-scanning and post-processing, such as Figure 1 As shown, the following steps are included: Perform a quick pre-scan of the document to obtain preliminary image information of the document; According to the image information obtained by the pre-scan, determine whether the brightness of the current fill light meets the user's needs; If the judgment result is not satisfied, the brightness of the fill light is automatically adjusted; After the brightness of the fill light is adjusted, the document is formally scanned to obtain a scanned image; Post-process the scanned documents, including adjusting the clarity or grayscale value, to improve the scan quality.

[0021] In one embodiment, the method of automatically adjusting the brightness of the fill light includes: changing the power of the light source, adjusting the aperture opening, or changing the transmittance of the filter.

[0022] In one embodiment, the post-processing includes: denoising, sharpening and color correction.

[0023] In one implementation manner, when determining whether the brightness of the current fill light meets the user's needs, the type of file, color depth, and lighting environment factors are considered.

[0024] It should be noted that the examples herein are only for explaining the present invention and are not intended to limit the protection scope of the present invention. Example 2

[0025] This embodiment is based on the same inventive concept as the file scanning method based on pre-scanning and post-processing described in Embodiment 1, and provides a file scanning system based on pre-scanning and post-processing, such as Figure 2 As shown, including: A pre-scanning module is used to quickly pre-scan the document and obtain preliminary image information of the document; A brightness adjustment module, used to automatically adjust the brightness of the fill light according to the pre-scanning result; The formal scanning module is used to perform formal scanning of the document after the brightness adjustment of the fill light is completed; The post-processing module is used to perform post-processing operations such as adjusting the clarity or grayscale value of the document after formal scanning.

[0026] In one embodiment, the pre-scan module is further used to perform preliminary processing on the image obtained by the pre-scan, and improve the accuracy of brightness judgment of the image through the preliminary processing.

[0027] In one embodiment, the post-processing module is further used to receive specific instructions from the user regarding adjustment of clarity or grayscale values, and perform adjustments according to the instructions.

[0028] In one embodiment, it further includes: a storage module; The storage module is used to store the pre-scanned image, the formally scanned image and the post-processed image. Example 3

[0029] This embodiment provides a computer-readable storage medium, including: The storage medium is used to store computer software instructions used to implement the file scanning method based on pre-scanning and post-processing described in the above-mentioned embodiment 1, which includes a program for executing the above-mentioned program set for the file scanning method based on pre-scanning and post-processing; specifically, the executable program can be built into the file scanning system based on pre-scanning and post-processing described in embodiment 2, so that the file scanning system based on pre-scanning and post-processing can implement the file scanning method based on pre-scanning and post-processing described in embodiment 1 by executing the built-in executable program.

[0030] In addition, the computer-readable storage medium of this embodiment may adopt any combination of one or more computer-readable storage media, wherein the computer-readable storage medium includes electrical, optical, electromagnetic, infrared or semiconductor systems, devices or components, or any combination thereof. Example 4

[0031] This embodiment provides an electronic device, such as Figure 3 As shown, the electronic device may include: a processor 1501 , a communication interface 1502 , a memory 1503 and a communication bus 1504 , wherein the processor 1501 , the communication interface 1502 , and the memory 1503 communicate with each other via the communication bus 1504 .

[0032] Memory 1503, used for storing computer programs; The processor 1501 is used to implement the steps of the file scanning method based on pre-scanning and post-processing described in the above-mentioned embodiment 1 when executing the computer program stored in the memory 1503.

[0033] As an embodiment of the present invention, the communication bus mentioned in the above terminal can be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus. The communication bus can be divided into an address bus, a data bus, a control bus, etc. For ease of representation, Figure 3 Only one thick line is used in the diagram, but this does not mean that there is only one bus or only one type of bus.

[0034] As an implementation mode of the present invention, the communication interface is used for communication between the above-mentioned terminal and other devices.

[0035] As an embodiment of the present invention, the memory may include a random access memory (RAM) or a non-volatile memory, such as at least one disk memory. Optionally, the memory may also be at least one storage device located away from the aforementioned processor.

[0036] As an embodiment of the present invention, the above-mentioned processor can be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; it can also be a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.

[0037] It should be understood that in the various embodiments of this document, the size of the serial numbers of the above-mentioned processes does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of this document.

[0038] It should also be understood that in the embodiments of this document, the term "and / or" is only a description of the association relationship of the associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this document generally indicates that the associated objects before and after are in an "or" relationship.

[0039] Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the interchangeability of hardware and software, the composition and steps of each example have been generally described in terms of function in the above description. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this article.

[0040] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0041] In the several embodiments provided herein, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic, for example, the division of the units is only a logical function division, and there may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed can be an indirect coupling or communication connection through some interfaces, devices or units, or can be electrical, mechanical or other forms of connection.

[0042] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the embodiments of this article.

[0043] In addition, each functional unit in each embodiment of this invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit may be implemented in the form of hardware or in the form of software functional unit.

[0044] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this article is essentially or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of this article. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk and other media that can store program codes.

[0045] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A file scanning method based on pre-scanning and post-processing, characterized in that: The following steps are involved: Perform a quick pre-scan of the document to obtain preliminary image information of the document; According to the image information obtained by the pre-scan, determine whether the brightness of the current fill light meets the user's needs; If the judgment result is not satisfied, the brightness of the fill light is automatically adjusted; After the brightness of the fill light is adjusted, the document is formally scanned to obtain a scanned image; Post-process the scanned documents, including adjusting the clarity or grayscale value, to improve the scan quality.

2. The file scanning method based on pre-scanning and post-processing according to claim 1, characterized in that: The method of automatically adjusting the brightness of the fill light includes: changing the power of the light source, adjusting the aperture opening or changing the light transmittance of the filter.

3. The file scanning method based on pre-scanning and post-processing according to claim 1, characterized in that: The post-processing includes: denoising, sharpening and color correction.

4. The file scanning method based on pre-scanning and post-processing according to claim 1, characterized in that: When determining whether the brightness of the current fill light meets the user's needs, the type of file, color depth, and lighting environment factors are considered.

5. A file scanning system based on pre-scanning and post-processing, characterized in that: include: A pre-scanning module is used to quickly pre-scan the document and obtain preliminary image information of the document; A brightness adjustment module, used to automatically adjust the brightness of the fill light according to the pre-scanning result; The formal scanning module is used to perform formal scanning of the document after the brightness adjustment of the fill light is completed; The post-processing module is used to perform post-processing operations such as adjusting the clarity or grayscale value of the document after formal scanning.

6. The file scanning system based on pre-scanning and post-processing according to claim 5, characterized in that: The pre-scan module is also used to perform preliminary processing on the image obtained by the pre-scan, and improve the brightness judgment accuracy of the image through the preliminary processing.

7. The document scanning system based on pre-scanning and post-processing according to claim 5, characterized in that: The post-processing module is also used to receive specific instructions from the user regarding adjustment of clarity or grayscale values, and perform adjustments according to the instructions.

8. The file scanning system based on pre-scanning and post-processing according to claim 5, characterized in that: Also included: a storage module; The storage module is used to store the pre-scanned image, the formally scanned image and the post-processed image.

9. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the file scanning method based on pre-scanning and post-processing described in any one of claims 1 to 4 are implemented.

10. A computer device, characterized in that: It includes a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory communicate with each other through the communication bus; wherein: The memory is used to store computer programs; The processor is used to execute the steps of the file scanning method based on pre-scanning and post-processing in any one of claims 1 to 4 by running the program stored in the memory.

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