CN110658674A - Method and device for outputting electronic file to microfilm - Google Patents
Method and device for outputting electronic file to microfilm Download PDFInfo
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- CN110658674A CN110658674A CN201910872490.7A CN201910872490A CN110658674A CN 110658674 A CN110658674 A CN 110658674A CN 201910872490 A CN201910872490 A CN 201910872490A CN 110658674 A CN110658674 A CN 110658674A
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/46—Projection printing apparatus, e.g. enlarger, copying camera for automatic sequential copying of different originals, e.g. enlargers, roll film printers
- G03B27/465—Projection printing apparatus, e.g. enlarger, copying camera for automatic sequential copying of different originals, e.g. enlargers, roll film printers at different positions of the same strip, e.g. microfilm
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Abstract
The application discloses a method and a device for outputting an electronic file to a microfilm, which belong to the technical field of optical micro-imaging and comprise the following steps: converting the electronic file to be output into an image with a set resolution according to the breadth size of the electronic file to be output; scanning the converted images in sequence and splicing the images into spliced images with set sizes; splitting each spliced image into M split images, and enabling the resolution of each split image to be the resolution of a display screen of exposure equipment, wherein M is more than or equal to 2; and sequentially exposing the M split images to a microfilm. According to the method and the device, the electronic file to be output is converted into the image with the set corresponding resolution, and the images with different sizes are spliced and then exposed on the microfilm, so that the electronic file is output in a standardized manner, the usage amount of the microfilm is reduced, the exposure times are reduced, and the working efficiency is improved.
Description
Technical Field
The present disclosure relates to the field of optical micro-imaging technologies, and in particular, to a method and an apparatus for outputting an electronic file to a microfilm.
Background
At present, with the rapid development of information technology, computers have been used as a necessary tool for people to work. People produce a large number of electronic documents when working with computers. Correspondingly, the archive industry has also undergone fundamental change, and the archived files are changed from traditional paper files into electronic files, so that the change not only realizes unlimited and cross-regional borrowing and browsing by using a computer network, but also can directly print the electronic files into the paper files, and provides convenience for industries such as infrastructure and industrial manufacturing.
Because the electronic files have the characteristics of easy modification, deletion, copying and damage, the important electronic files are permanently stored, and the security of the electronic files is very important. The micro imaging technology can ensure the safety of data while storing the data for a long time by recording the digital image on the micro film.
However, when a large amount of electronic files need to be converted, the formats of the electronic files are different, and the sizes of the electronic files after being converted into digital images are also different, so that the electronic files need to be standardized and output after being unified in format. And if the electronic file is converted into a digital image and then directly exposed on the microfilm, the usage amount of the microfilm is increased, the exposure times are increased, and the working efficiency is reduced.
Disclosure of Invention
The application provides a method and a device for outputting an electronic file to a microfilm, wherein the electronic file is converted into an image file with a uniform format, and the image is spliced and then exposed on the microfilm, so that the usage amount of the microfilm is reduced, the exposure times are reduced and the working efficiency is improved while the electronic file is output in a standardized manner.
To achieve the above object, in one aspect, the present application provides a method of outputting an electronic file onto a microfilm, the electronic file including a graphic file, an image file, and an electronic document, comprising the steps of:
converting the electronic file to be output into an image with a set resolution according to the breadth size of the electronic file to be output;
scanning the converted images in sequence and splicing the images into spliced images with set sizes;
splitting each spliced image into M split images, and enabling the resolution of each split image to be the resolution of a display screen of exposure equipment, wherein M is more than or equal to 2;
the M split images are sequentially exposed onto a microfilm.
In another aspect, the present application provides an apparatus for outputting an electronic file onto a microfilm, comprising:
the conversion unit is used for converting the electronic file to be output into an image with set resolution according to the breadth size of the electronic file to be output;
the splicing unit is used for scanning the converted images in sequence and splicing the images into spliced images with set sizes;
the splitting unit is used for splitting each spliced image into M split images, so that the resolution of each split image is the resolution of a display screen of the exposure equipment, wherein M is more than or equal to 2;
and the output unit is used for sequentially exposing the M split images to the microfilm.
From the above technical content, it can be seen that the present application has the following beneficial effects:
according to the format of the electronic file to be output, the electronic file is converted into the image with the set corresponding resolution, so that the quality of exposing the image to the microfilm is ensured while the electronic file is output in a standardized manner; because the sizes of the converted images are not uniform, the images with different sizes are spliced and then exposed, so that the use amount of the microfilm can be reduced; after the spliced image is split, the resolution ratio of the image is reduced, so that the requirement on the resolution ratio of exposure equipment is reduced; the microfilm can be stored for a long time, and the electronic file is stored on the microfilm, so that the electronic file can be prevented from being modified, deleted, copied and damaged, and the safety of data is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a method for exporting an electronic document onto a microfilm according to the present application;
FIG. 2 is a flow chart of image stitching in an embodiment of the present application;
fig. 3 is a schematic diagram of distribution of pixel points of a stitched image according to an embodiment of the present application;
fig. 4 is a transition image extracted from all the pixels a in the embodiment of the present application:
fig. 5 is a first split image according to an embodiment of the present application;
FIG. 6 is a diagram illustrating an effect of exposing a first split image for a first time according to an embodiment of the present application;
FIG. 7 is a diagram illustrating the effect of exposing the first split image for the second time according to an embodiment of the present application;
FIG. 8 is a diagram illustrating an effect of exposing the first split image for the third time according to an embodiment of the present application;
fig. 9 is a structural diagram of an apparatus for outputting an electronic document onto a microfilm according to the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In one aspect, as shown in fig. 1, the present application provides a method of outputting an electronic file onto a microfilm, the electronic file including a graphic file, an image file, and an electronic document, comprising the steps of:
and S1, converting the electronic file to be output into an image with set resolution according to the breadth size of the electronic file to be output.
Specifically, since there are various formats of a graphic file, an image file, or an electronic document, such as DWG, DOC, JPG, and TIFF, it is necessary to convert electronic files in non-image format, such as DWG and DOC, into electronic files in image format before exposing them to a microfilm. Moreover, since electronic documents in different formats have different sizes when printed and published as paper documents, such as a4, A3, a2, a1 and a0 formats, in order to ensure exposure quality while standardizing output of the electronic documents, it is necessary to convert the electronic documents in different formats into images with corresponding resolutions. The embodiment of the application provides a parameter table for converting an electronic file into an image and exposing the image to two microfilms of 35mm and 16 mm.
Table one: list of parameters for converting electronic document into image and exposing it to 35mm microfilm
Table two: list of parameters for converting electronic document into image and exposing it to 16mm microfilm
And S2, scanning the converted images in sequence and splicing the images into a spliced image with a set size.
Further, scanning the converted images in sequence, and stitching the images into a stitched image with a set size includes:
scanning the converted images in sequence, and splicing the two images with the Nth size into a spliced image with the size of N-1;
continuing to scan the images, and splicing the two images with the size of N-1 into a spliced image with the size of N-2;
continuing to scan the images until the two images with the size of 2 are spliced into a spliced image with the size of 1;
wherein N is more than or equal to 2, the 1 st to the Nth sizes are reduced in sequence, and the 1 st size is a set size.
Specifically, because the sizes of the converted images are not uniform, the images with different sizes are spliced and then exposed, and the use amount of the microfilm can be reduced.
For example, as shown in FIG. 2, if the converted image includes images in the A0, A1, A2, A3, and A4 formats, i.e., corresponding to the 1 st to 5 th sizes, the electronic file may be converted to an image and exposed to the parameters of a 35mm microfilm at the 30 x reduction ratio in Table I above. Therefore, the images need to be spliced into an image of a0 format, which includes the following steps:
sequentially scanning the images in the image queue for the first time, marking all images in the A4 breadth, and splicing two adjacent images in the A4 breadth into a spliced image in the A3 breadth;
sequentially scanning the images in the image queue for the second time, marking all images in the A3 breadth, and splicing two adjacent images in the A3 breadth into a spliced image in the A2 breadth;
sequentially scanning the images in the image queue for the third time, marking all images in the A2 breadth, and splicing two adjacent images in the A2 breadth into a spliced image in the A1 breadth;
and scanning the images in the image queue for the fourth time in sequence, marking all the images in the A1 format, and splicing two adjacent images in the A1 format into a spliced image in the A0 format.
S3, splitting each spliced image into M split images, and enabling the resolution of each split image to be the resolution of a display screen of exposure equipment, wherein M is larger than or equal to 2.
In particular, since there may be a case where the resolution of the display screen of the exposure apparatus and the resolution of the image are not matched, it is necessary to reduce the resolution of the image. The image is composed of pixel points, so that one image can be split into a plurality of images by splitting the pixel points, thereby reducing the resolution of the image and enabling the resolution of the display screen of the exposure equipment to be matched with the resolution of the image. For example, the resolution of the display screen of the exposure apparatus is 6100 × 4320, and if an image with a resolution of 12200 × 8640 is to be exposed through the apparatus, the image needs to be split into four images.
And S4, exposing the split images on the microfilm in sequence.
Preferably, before the converted images are sequentially scanned and spliced into a spliced image with a set size, the method further comprises:
detecting whether a sequential relation exists between the converted images;
if yes, arranging the converted images in sequence;
correspondingly, scanning the converted images in sequence and splicing the images into a spliced image with a set size comprises:
and scanning the images arranged according to the sequence relation in sequence, and splicing the images into a spliced image with a set size.
Specifically, since the electronic document to be output may be converted from a set of books, documents, files, etc., and the electronic document has a certain sequence and relation therein, the sequence and relation should be maintained after being output and restored by the film scanner, and the images converted from the electronic document to be output should be sorted.
Preferably, before sequentially scanning the images arranged in the sequential relationship and splicing the images into a spliced image with a set size, the method further comprises:
and generating an index corresponding to the sequence relation of the images, storing the index as an electronic file, and writing the index into the corresponding image.
Specifically, in order to enable a user to conveniently view the sequence relationship of the images, after the images are sorted, an index corresponding to the sequence relationship of the images is generated and stored as an electronic file in the local device; alternatively, the index may be written to the corresponding image by software.
Preferably, in the embodiment of the present application, each of the stitched images is split into split images by a method of extracting pixel points in interlaced and alternate rows.
As shown in fig. 3 to fig. 5, in the embodiment of the present application, an image is split by using a method of extracting pixel points in interlaced and alternate rows. For example, let a certain pixel in the image be N (P, Q), where N represents a pixel, P represents a row in which the pixel is located, and Q represents a column in which the pixel is located. Splitting a stitched image with a resolution of 12200 × 8640 into four split images with a resolution of 6100 × 4320 requires:
extracting pixel points A (1, 1), A (1, 3),. A, A (1, 12199), A (3, 1), A (3, 3),. A, A (3, 12199),. A, and A (8639, 12199) in the spliced image to obtain a first split image;
extracting pixel points B (1, 2), B (1, 4),. gtang, B (1, 12200), B (3, 2), B (3, 4),. gtang, B (3, 12200),. gtang, B (8639, 12200) in the spliced image to obtain a second split image;
extracting pixel points C (2, 2), C (2, 4),. once, C (2, 12200), C (4, 2), C (4, 4),. once, C (4, 12200),. once and C (8640, 12200) in the spliced image to obtain a third split image;
and extracting pixel points D (2, 1), D (2, 3),. D, D (2, 12199), D (4, 1), D (4, 3),. D, D (4, 12199),. D, D (8640, 12199) in the spliced image to obtain a fourth split image.
It should be noted that the method for extracting pixel points according to interlaced and interlaced lines is only one embodiment of the present application, and not all embodiments. The specific embodiments described herein are merely illustrative of the present application and are not intended to be limiting of the present application.
Preferably, each split image is overlappingly exposed onto the microfilm in three monochromatic fractions.
Specifically, as shown in fig. 6 to 8, a pixel point of the display screen of the exposure device is composed of three pixel units of red, green and blue and a grid, and the grid cannot display an image. In order to make the pixel points of the split image can be filled with the microfilm after exposure and make the image pixel not lost, each split image can be overlapped and exposed on the microfilm in three single colors. For example, the process of exposing the first split image is:
when the first exposure is carried out, a red pixel unit of the display screen is lightened, green and blue pixel units are closed, and at the moment, the first split image is exposed to the microfilm in red;
during the second exposure, the green pixel unit of the display screen is lightened, the red pixel unit and the blue pixel unit are closed, the green pixel unit is moved to the position of the red pixel unit, and at the moment, the first split image is overlapped and exposed to the same position on the microfilm in green;
and in the third exposure, the blue pixel unit of the display screen is lightened, the red pixel unit and the green pixel unit are closed, the blue pixel unit is moved to the position of the red pixel unit, and the first split image is overlapped and exposed to the same position on the microfilm in blue.
In a second aspect, as shown in fig. 9, the present application provides an apparatus for outputting an electronic file onto a microfilm, comprising:
the conversion unit 100 is used for converting the electronic file to be output into an image with a set resolution according to the breadth size of the electronic file to be output;
the splicing unit 200 is used for scanning the converted images in sequence and splicing the images into spliced images with set sizes;
and the splitting unit 300 is used for splitting each spliced image into M split images, so that the resolution of each split image is the resolution of the display screen of the exposure equipment, wherein M is more than or equal to 2.
And the output unit 400 is used for sequentially exposing the M split images to the microfilm.
Preferably, the apparatus according to the embodiment of the present application further includes:
a sorting unit 500 for detecting whether there is a sequential relationship between the converted images; and if so, arranging the converted images in sequence.
Preferably, the apparatus according to the embodiment of the present application further includes:
the storage unit 600 is configured to generate an index corresponding to the sequence relationship of the images, store the index as an electronic file, and write the index into the corresponding image.
The apparatus of this embodiment may be used to implement the technical solutions of the method embodiments shown in fig. 1 to fig. 8, and the implementation principles and technical effects are similar, which are not described herein again.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A method of exporting an electronic file onto a microfilm, said electronic file comprising a graphic file, an image file and an electronic document, comprising the steps of:
converting the electronic file to be output into an image with a set resolution according to the breadth size of the electronic file to be output;
scanning the converted images in sequence and splicing the images into spliced images with set sizes;
splitting each spliced image into M split images, and enabling the resolution of each split image to be the resolution of a display screen of exposure equipment, wherein M is more than or equal to 2;
and sequentially exposing the M split images to a microfilm.
2. The method of claim 1, wherein the scanning the converted images sequentially and stitching them into a stitched image having a set size comprises:
scanning the converted images in sequence, and splicing the two images with the Nth size into a spliced image with the size of N-1;
continuing to scan the images, and splicing the two images with the size of N-1 into a spliced image with the size of N-2;
continuing to scan the images until the two images with the size of 2 are spliced into a spliced image with the size of 1;
wherein N is more than or equal to 2, the 1 st to the Nth sizes are sequentially reduced, and the 1 st size is a set size.
3. The method of claim 1, wherein before the sequentially scanning the converted images and stitching them into a stitched image having a set size, further comprising:
detecting whether a sequential relation exists between the converted images;
if yes, arranging the converted images in sequence;
correspondingly, the sequentially scanning the converted images and splicing the images into a spliced image with a set size comprises:
and scanning the images arranged according to the sequence relation in sequence, and splicing the images into a spliced image with a set size.
4. The method of claim 3, wherein before sequentially scanning the images arranged in the sequential relationship and stitching the images into a stitched image having a set size, the method further comprises:
and generating an index corresponding to the sequence relation of the images, storing the index as an electronic file, and writing the index into the corresponding image.
5. The method of claim 1, wherein each stitched image is split into M split images in such a way that pixels are extracted in interlaced and alternate rows.
6. The method of claim 1, wherein each split image is overlappingly exposed onto the microfilm in three separate colors.
7. An apparatus for exporting an electronic document onto a microfilm, comprising:
the conversion unit is used for converting the electronic file to be output into an image with set resolution according to the breadth size of the electronic file to be output;
the splicing unit is used for scanning the converted images in sequence and splicing the images into spliced images with set sizes;
the splitting unit is used for splitting each spliced image into M split images, and the resolution of each split image is the resolution of the display screen of the exposure equipment;
and the output unit is used for sequentially exposing the M split images to the microfilm.
8. The apparatus of claim 7, further comprising:
the sorting unit is used for detecting whether a sequence relation exists between the converted images; and if so, arranging the converted images in sequence.
9. The apparatus of claim 8, further comprising:
and the storage unit is used for generating an index corresponding to the sequence relation of the images, storing the index as an electronic file and writing the index into the corresponding image.
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| CN109946917A (en) * | 2019-04-04 | 2019-06-28 | 忆备缩微科技(北京)有限公司 | A kind of imaging method by very-high solution color image on microfilm |
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