CN106657077B - Image processing system and image processing method - Google Patents
Image processing system and image processing method Download PDFInfo
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- CN106657077B CN106657077B CN201611223323.2A CN201611223323A CN106657077B CN 106657077 B CN106657077 B CN 106657077B CN 201611223323 A CN201611223323 A CN 201611223323A CN 106657077 B CN106657077 B CN 106657077B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
Abstract
The present invention relates to an image processing system and an image processing method. The image processing system includes: a server for storing various data; the image importing unit is used for importing the image to be processed into the server; a large-to-small image unit for converting a large-size image into a small-size image; an image information obtaining unit for obtaining relevant information of the image through an image processing algorithm; an image processing unit configured to perform image processing on an input image; a display unit; and the control unit controls the unit to reduce the image to be processed, pre-process the image by using the command stream file, process the original image after the user confirms the image, and transmit the command stream file instead of the result image file after the image processing between the server and the client because the unit is positioned at the client. Compared with image data, the data volume of the command stream file is small, and network transmission is convenient to carry out quickly and safely.
Description
Technical Field
The present invention relates to image processing technologies, and in particular, to an image processing system and an image processing method capable of processing an image quickly and safely.
Background
With the development of scientific technology, the requirements for image processing are higher and higher. However, in the process of electronizing a paper document, the efficiency of image processing is hardly satisfactory. For example, archives are historical records of different forms of characters, charts, sound images and the like with preservation values directly formed by national institutions, social organizations and individuals engaged in political, military, economic, scientific, technical, cultural, religious and other activities. Since the files are recorded with important information and the data amount is huge, it is important to electronize the files.
The fifteen plans of the state have put forward specific requirements and implementation steps for the construction of the digital archives, which indicates that the construction project of the digital archives of China has entered the implementation stage.
The electronization of the file comprises two important links: scanning paper archives and processing scanned images. The image processing of the scanned image generally includes operations of tilt correction, edge trimming, contrast adjustment, and removal of an image point. If single image processing software is adopted for manual processing, on one hand, the efficiency of image processing cannot be improved, and the image processing is inconvenient for cancelling and repairing the image, and on the other hand, the quality inspection link is lacked, and the quality of image processing cannot be guaranteed.
Disclosure of Invention
in order to solve the problem, the invention provides an image processing system and an image processing method based on a command stream, which can greatly improve the data transmission speed and improve the electronization efficiency of paper documents while ensuring the image processing precision.
The present invention provides an image processing system, comprising: a server for storing various data; the image importing unit is used for importing the image to be processed into the server; an image conversion unit for converting a large-size image into a small-size image; an image information obtaining unit for obtaining relevant information of the image through an image processing algorithm; an image processing unit configured to perform image processing on an input image; a display unit; a control unit that performs the following control: controlling the image conversion unit to acquire an image to be processed from the server, forming small-size image data using the converted small-size image, and storing the small-size image data in the server, controlling the image information acquisition unit to acquire the small-size image data from the server, calculating the obtained related information of the small-size image and generating a command stream file based on an image processing command to be applied input by a user, recording the obtained related information in the command stream file, and storing the command stream file in the server, controlling the image processing unit to acquire the small-size image data and the command stream file from the server, applying the image processing command in the command stream file to the small-size image data, and presenting an image processing effect on the display unit, and controlling the image processing unit to acquire the large-size image data and the command stream file from the server, applying an image processing command in the command stream file to the large-size image data, and storing a processing result in the server.
Preferably, the image processing system further comprises: a command stream file modification unit for modifying the image processing command in the command stream file to adjust the image processing effect by the user through the command stream file modification unit when the image processing effect displayed on the display unit is not satisfied, and the control unit controls the command stream file modification unit to store the modified command stream file in the server.
Preferably, the image processing system further comprises: a check correcting unit for checking the command stream file stored in the server by the command stream file modifying unit, and when an error is found, the control unit controls the check correcting unit to correct the error.
Preferably, the image conversion unit processes the large-size image using a bilinear interpolation algorithm.
preferably, the height and width of the small-sized image are each one-fourth of the large-sized image.
Preferably, the related information includes at least one of a tilt angle of the image, a centroid rectangular area, and an image contrast.
Preferably, the image processing command includes at least one of tilt correction, trimming, contrast adjustment, and removal of a noise point.
The present invention also provides an image processing method for an image processing system, the image processing system including: a server for storing various data; the image importing unit is used for importing the image to be processed into the server; an image conversion unit for converting a large-size image into a small-size image; an image information obtaining unit for obtaining relevant information of the image through an image processing algorithm; an image processing unit configured to perform image processing on an input image; a display unit; and a control unit, the image processing method including the steps of: the control unit controls the image conversion unit to acquire an image to be processed from the server, forms small-size image data by using the converted small-size image, and stores the small-size image data to the server; the control unit controls the image information acquisition unit to acquire the small-size image data from the server, calculates related information of the small-size image data, generates a command stream file based on an image processing command to be applied, records the acquired related information into the command stream file, and stores the command stream file into the server; the control unit controls the image processing unit to acquire the small-size image data and the command stream file from the server, applies an image processing command in the command stream file to the small-size image data, and presents an image processing effect on the display unit; the control unit controls the image processing unit to acquire the large-size image data and the command stream file from the server, applies an image processing command in the command stream file to the large-size image data, and stores a processing result in the server.
Preferably, the image processing system further comprises: a command stream file modification unit for adjusting an image processing effect displayed on the display unit by modifying an image processing command in the command stream file when the image processing effect is not satisfied, and the image processing method further comprises the steps of: the control unit controls the command stream file modification unit to store the modified command stream file in the server.
Preferably, the image processing system further comprises: an inspection modification unit for inspecting the command stream file stored in the server by the command stream file modification unit, and the image processing method further includes the steps of: when an error is found, the control unit controls the inspection correction unit to correct the error.
in the image processing system and the image processing method of the present invention, the image processing operation is saved to the command stream file in the format of a command stream, and the data uploaded and downloaded between the server and the client is the command stream file, not the result image file after the image processing. Compared with image data, the data volume of the command stream file is small, and network transmission is convenient to carry out quickly and safely.
In addition, because the image conversion processing is carried out, the original scanned image is firstly reduced into the small image, so that the subsequent image processing only needs to download the small image from the server, and the image processing operation is completed based on the small image, thereby greatly improving the speed of image data transmission.
Moreover, since the quality check is introduced, the accuracy of the subsequent image processing can be ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the principles of the invention. Wherein:
Fig. 1 is a block diagram of a first embodiment of an image processing system of the present invention.
Fig. 2 is an example of the format of a command stream file employed in the image processing system of the present invention.
Fig. 3 is a block diagram of a second embodiment of the image processing system of the present invention.
Fig. 4 is a block diagram of a third embodiment of the image processing system of the present invention.
Fig. 5 is a flowchart of a first embodiment of an image processing method of the present invention.
fig. 6 is a flowchart of a second embodiment of the image processing method of the present invention.
Fig. 7 is a flowchart of a third embodiment of the image processing method of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In all the drawings, the same reference numerals denote the same elements, and a repetitive description thereof will be omitted.
[ image processing System ]
First, an image processing system of the present invention will be described with reference to fig. 1 to 4.
Fig. 1 is a block diagram of a first embodiment of an image processing system of the present invention.
As shown in fig. 1, a first embodiment 10 of an image processing system includes: a server 100 for storing various data; an image importing unit 102 configured to import an image to be processed into the server 100; an image conversion unit 104 for converting a large-size image into a small-size image; an image information obtaining unit 106 for obtaining information related to the image by an image processing algorithm; an image processing unit 108 for performing image processing on the input image; a display unit 110; and a control unit 112.
When the user inputs an image to be processed acquired via the scanner, for example, an image of an archive, the control unit 112 controls the image import unit 102 to import the image into the server 100. Then, the control unit 112 controls the image conversion unit 104 to acquire an image to be processed from the server 100, forms small-size image data using the converted small-size image, and stores the small-size image data to the server 100.
For example, the image conversion unit 104 may process a large-sized image using a bilinear interpolation algorithm. Preferably, the width and height values of the large-size image may be reduced to 1/4. Thus, the entire image is 1/16 of the original. Of course, the width and height values of the large-size image may be reduced to 1/n, n being a number greater than 1, and may be, for example, 1/2, 1/3, 1/4, 1/5, 1/6, 1/7, 1/8, or the like.
Next, the control unit 112 controls the image information acquisition unit 106 to acquire the small-size image data from the server 100, and calculates the related information of the small-size image data.
preferably, the related information includes at least one of a tilt angle of the image, a centroid rectangular area, and an image contrast.
Then, the control unit 112 generates a command stream file based on the related information calculated by the image information acquisition unit 106, and stores the command stream file in the server 100.
In the embodiment of the present invention, the command stream file is a command set composed of commands corresponding to the related information calculated by the image information acquiring unit. These commands are arranged in a certain order, and a specific image processing function can be completed.
For example, fig. 2 shows an example of the format of a command stream file employed in the image processing system of the present invention.
In the command stream file shown in fig. 2, only two commands are shown, but it should be understood that a command stream file containing more than two commands may be generated according to the user's needs.
preferably, the image processing command includes at least one of tilt correction, trimming, contrast adjustment, and removal of a noise point.
As shown in fig. 2, the command stream file describes the following two image processing commands: (1) tilt the image by 3 °; (2) pixels outside the plate center area of left 100, top 100, right 1000 and bottom 1600 are trimmed.
Returning to fig. 1, the control unit 112 controls the image processing unit 108 to acquire the small-size image data and the command stream file from the server 100, apply the above-described two image processing commands in the command stream file to the small-size image data, and present the image processing effect on the display unit 110.
then, the user browses the image processing effect displayed by the display unit 110, and when satisfied, the control unit 112 controls the image processing unit 108 to acquire large-size image data and a command stream file from the server 100, applies an image processing command in the command stream file to the large-size image data, and stores the processing result in the server 100.
In the first embodiment 10 of the image processing system, the image importing unit 102, the image converting unit 104, the image information acquiring unit 106, the image processing unit 108, the display unit 110, and the control unit 112 may be located at a client.
Therefore, the image processing operation is saved to the command stream file in the format of a command stream, and the downloaded data is uploaded between the server 100 and the client as the command stream file, not as the result image file after the image processing. Compared with image data, the data volume of the command stream file is small, and network transmission is convenient to carry out quickly and safely.
In addition, because the image conversion processing is carried out, the original scanned image is firstly reduced into the small image, so that the subsequent image processing only needs to download the small image from the server, and the image processing operation is completed based on the small image, thereby greatly improving the speed of image data transmission.
A second embodiment of the image processing system of the present invention is explained below.
Fig. 3 is a block diagram of a second embodiment of the image processing system of the present invention.
As shown in fig. 3, a second embodiment 30 of the image processing system comprises: a server 300 for storing various data; an image importing unit 302 for importing an image to be processed into the server 300; an image conversion unit 304 for converting a large-size image into a small-size image; an image information obtaining unit 306 for obtaining information related to the image through an image processing algorithm; an image processing unit 308 for performing image processing on the input image; a display unit 310; and a control unit 312.
Compared to the first embodiment 10 of the image processing system, the second embodiment 30 of the image processing system further comprises a command stream file modification unit 314.
In the second embodiment 30 of the image processing system, when the user is not satisfied with the image processing effect displayed on the display unit 310, the image processing command in the command stream file is modified by the command stream file modifying unit 314, thereby adjusting the image processing effect until satisfied.
Then, the control unit 312 controls the command stream file modification unit 314 to store the modified command stream file in the server 300.
For example, as shown in fig. 2, the image processing command described in the command stream file acquired from the server 300 is "skewa angle: 3". If the user finds that it is better to rotate by 2 ° again while viewing the image processing effect displayed on the display unit 310, the user can modify the image processing command in the command stream file through the command stream file modifying unit 314. For example, the image processing command "skewwangle: 3 "modified to" SkewAngle: 5 ", and stores the modified command stream file in the server 300.
a third embodiment of the image processing system of the present invention is explained below.
Fig. 4 is a block diagram of a third embodiment of the image processing system of the present invention.
As shown in fig. 4, a third embodiment 40 of an image processing system includes: a server 400 for storing various data; an image importing unit 402 configured to import an image to be processed into the server 400; an image conversion unit 404 for converting a large-size image into a small-size image; an image information obtaining unit 406 for obtaining information related to the image by an image processing algorithm; an image processing unit 408 for performing image processing on the input image; a display unit 410; a control unit 412; and a command stream modification unit 414.
Compared to the second embodiment of the image processing system 30, the third embodiment of the image processing system 40 further includes an inspection modification unit 416 for inspecting the command stream file stored in the server 400 by the command stream file modification unit 414.
The inspection correction unit 416 mainly functions to perform quality inspection on the image processing effect processed by the inspection correction unit 416, and when an error is found, the user corrects the error by the inspection correction unit 416.
In the third embodiment, the user of the command stream file modification unit 414 and the user of the inspection correction unit 416 are not the same user, and preferably, the latter is a higher-level user, and the quality inspection is performed on the work of the former, thereby ensuring the accuracy of the subsequent image processing.
In the third embodiment, the command stream file modification unit 414 and the check modification unit 416 check and modify the command stream data, and do so to facilitate undo and redo compared to directly modifying the image data.
[ IMAGE PROCESSING METHOD ]
The image processing system of the present invention will be described with reference to fig. 5 to 7.
Fig. 5 is a flowchart of a first embodiment of an image processing method of the present invention.
The first embodiment 50 of the image processing method is an image processing method performed by the first embodiment 10 of the image processing system.
as shown in fig. 5, a first embodiment 50 of an image processing method comprises the steps of: importing an image to be processed (S500); image conversion (S502); automatic image processing and generating a command stream file (S504); applying a command stream file to the thumbnail (S506); the command stream file is applied to the large map (S508).
In step S500, the user processes the paper file into a scanned image using the scanner and imports the scanned image into the image processing system 10 of the present invention.
in step S502, the image conversion unit 104 acquires an image to be processed from the server 100, forms small-size image data using the converted small-size image, and stores the small-size image data to the server 100.
For example, the image conversion unit 104 may process a large-sized image using a bilinear interpolation algorithm. Preferably, the width and height values of the large-size image may be reduced to 1/4. Thus, the entire image is 1/16 of the original. Of course, the width and height values of the large-size image may be reduced to 1/n, n being a number greater than 1, and may be, for example, 1/2, 1/3, 1/4, 1/5, 1/6, 1/7, 1/8, or the like.
in step S504, the image information acquisition unit 106 acquires the small-size image data from the server 100, and calculates the related information of the small-size image data.
Preferably, the related information includes at least one of a tilt angle of the image, a centroid rectangular area, and an image contrast.
Then, the control unit 112 generates a command stream file based on the related information, records the obtained related information into the command stream file, and stores the command stream file into the server 100.
Preferably, the image processing command includes at least one of tilt correction, trimming, contrast adjustment, and removal of a noise point.
In step S506, the image processing unit 108 acquires the small-size image data and the command stream file from the server 100, applies the image processing command corresponding to the above-described related information in the command stream file to the small-size image data, and presents the image processing effect on the display unit 110.
In step S508, the control unit 112 controls the image processing unit 108 to acquire the large-size image data and the command stream file from the server 100, applies an image processing command corresponding to the related information in the command stream file to the large-size image data, and stores the processing result in the server 100.
here, the image processing unit 108 performs parsing of the command stream file, and applies the parsed image processing command to the originally imported scan image, thereby obtaining a finished image subjected to image processing.
For example, if the image needs to be rotated by 3 ° according to the command stream file shown in fig. 2, the original scanned image is directly rotated by 3 °; for the rectangular area of the plate center recorded by the command stream file, right and bottom of the rectangle need to be multiplied by 4, left and top are kept unchanged, and the formed new rectangle is used as the plate center of the original scanned image for image clipping.
Therefore, the image processing operation is saved to the command stream file in the format of a command stream, and the downloaded data is uploaded between the server 100 and the client as the command stream file, not as the result image file after the image processing. Compared with image data, the data volume of the command stream file is small, and network transmission is convenient to carry out quickly and safely.
A second embodiment of the image processing method of the present invention is explained below.
Fig. 6 is a flowchart of a second embodiment of the image processing method of the present invention.
The second embodiment 60 of the image processing method is an image processing method performed by the second embodiment 30 of the image processing system.
As shown in fig. 6, a second embodiment 60 of the image processing method comprises the steps of: importing an image to be processed (S600); image conversion (S602); automatic image processing and generating a command stream file (S604); applying a command stream file to the thumbnail (S606); the command stream file is applied to the large map (S608).
In contrast to the first embodiment 50 of the image processing method, the second embodiment 60 of the image processing method further comprises the steps of: the command stream file is modified and stored (S607 a).
In step S607a, when the image processing effect displayed on the display unit 310 is not satisfactory, the user adjusts the image processing effect by modifying the related information in the command stream file, and the control unit 312 controls the command stream file modifying unit 314 to store the modified command stream file in the server 300.
For example, as shown in fig. 2, the related information described in the command stream file acquired from the server 300 is "skewa angle: 3 ", the command corresponding to this is a rotation of 3 °. If the user finds that it is better to rotate by 2 ° again while viewing the image processing effect displayed on the display unit 310, the user can modify the relevant information in the command stream file through the command stream file modifying unit 314. For example, the above-mentioned related information "skewwangle: 3 "modified to" SkewAngle: 5 ", and stores the modified command stream file in the server 300.
A third embodiment of the image processing method of the present invention is explained below.
Fig. 7 is a flowchart of a third embodiment of the image processing method of the present invention.
The third embodiment 70 of the image processing method is an image processing method performed by the third embodiment 40 of the image processing system.
As shown in fig. 7, a second embodiment 70 of the image processing method comprises the steps of: importing an image to be processed (S700); image conversion (S702); automatic image processing and generating a command stream file (S704); applying a command stream file to the thumbnail (S706); applying a command stream file to the large map (S708); the command stream file is modified and stored (S707 a).
In contrast to the second embodiment 60 of the image processing method, the third embodiment 70 of the image processing method further comprises the steps of: the command stream file is checked (S707 b).
In step S707b, the command stream file stored in the server 400 by the command stream file modification unit 414 is checked, and when an error is found, the control unit 412 controls the check correction unit 416 to correct the error.
In the third embodiment, the operations of S707a and S707b are not performed by the same user, and preferably, the latter is a higher-level user, and the quality check is performed on the work of the former, thereby ensuring the accuracy of the subsequent image processing.
In the third embodiment, the command stream file modification unit 414 and the check modification unit 416 check and modify the command stream data, and do so to facilitate undo and redo compared to directly modifying the image data.
The image processing system and the image processing method based on the command stream file of the present invention are explained in detail above.
In the image processing system and the image processing method of the present invention, the image processing operation is saved to the command stream file in the format of a command stream, and the data uploaded and downloaded between the server and the client is the command stream file, not the result image file after the image processing. Compared with image data, the data volume of the command stream file is small, and network transmission is convenient to carry out quickly and safely.
In addition, because the image conversion processing is carried out, the original scanned image is firstly reduced into the small image, so that the subsequent image processing only needs to download the small image from the server, and the image processing operation is completed based on the small image, thereby greatly improving the speed of image data transmission.
Moreover, since the quality check is introduced, the accuracy of the subsequent image processing can be ensured.
It should be understood that the foregoing descriptions of specific embodiments of the present invention have been presented for purposes of illustration only and not of limitation. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An image processing system comprising:
A server; the image importing unit is used for importing the image to be processed into the server;
An image conversion unit for converting a large-size image into a small-size image;
An image information acquisition unit for obtaining information on an image by image processing;
An image processing unit configured to perform image processing on an input image;
A display unit;
A control unit that performs the following control:
Controlling the image conversion unit to acquire an image to be processed from the server, forming small-size image data using the converted small-size image, and storing the small-size image data to the server,
Controlling the image information acquisition unit to acquire the small-size image data from the server, calculating information related to the small-size image data, and generating a command stream file based on the calculated related information and storing the command stream file to the server,
control the image processing unit to acquire the small-size image data and the command stream file from the server, apply an image processing command corresponding to the related information in the command stream file to the small-size image data, and present an image processing effect on the display unit,
controlling the image processing unit to acquire the large-size image data and the command stream file from the server, apply an image processing command corresponding to the related information in the command stream file to the large-size image data, and store a processing result in the server,
The image processing system further includes:
A command stream file modification unit for modifying the related information in the command stream file to adjust the image processing effect, and
The control unit controls the command stream file modification unit to store the modified command stream file in the server.
2. The image processing system of claim 1, further comprising:
An inspection modification unit for inspecting the command stream file stored in the server by the command stream file modification unit, and
When an error is found, the control unit controls the inspection correction unit to correct the error.
3. The image processing system according to claim 1, wherein the image conversion unit processes the large-size image using a bilinear interpolation algorithm.
4. The image processing system of claim 3, wherein the small size image has a height and a width that are 1/2-1/8 of the large size image, respectively.
5. the image processing system according to claim 3, wherein the related information of the image includes at least one of a tilt angle, a centroid rectangular area, and an image contrast of the image.
6. The image processing system according to claim 3, wherein the image processing command includes at least one of tilt correction, trimming, contrast adjustment, and elimination of a clutter.
7. An image processing method for an image processing system, comprising the steps of:
Importing an image to be processed into a server;
Acquiring an image to be processed from a server, performing image conversion on the image, and converting a large-size image into a small-size image;
Forming small-size image data by using the converted small-size image, and storing the small-size image data in the server;
Acquiring the small-size image data from the server, calculating to obtain related information of the small-size image data, generating a command stream file based on the calculated related information, and storing the command stream file in the server;
acquiring the small-size image data and the command stream file from the server, applying an image processing command corresponding to the related information in the command stream file to the small-size image data, and displaying an image processing effect;
acquiring the large-size image data and the command stream file from the server, applying an image processing command corresponding to the related information in the command stream file to the large-size image data, and storing a processing result in the server,
when the displayed image processing effect is not satisfied, modifying the related information in the command stream file by the user to adjust the image processing effect; and storing the modified command stream file into the server.
8. The image processing method according to claim 7, further comprising the steps of: checking the modified command stream file stored in the server; when an error is found, the error is corrected.
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| CN102685080A (en) * | 2011-03-17 | 2012-09-19 | 腾讯科技（北京）有限公司 | Picture processing method and system |
| CN103780747A (en) * | 2012-10-23 | 2014-05-07 | 联想(北京)有限公司 | Information processing method and electronic equipment |
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