CN105245753A - Image processing method and device - Google Patents
Image processing method and device Download PDFInfo
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- CN105245753A CN105245753A CN201510694925.5A CN201510694925A CN105245753A CN 105245753 A CN105245753 A CN 105245753A CN 201510694925 A CN201510694925 A CN 201510694925A CN 105245753 A CN105245753 A CN 105245753A
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- picture
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00095—Systems or arrangements for the transmission of the picture signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/41—Bandwidth or redundancy reduction
- H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
Abstract
The invention discloses an image processing method and device. The method comprises the steps that an image which is compressed according to a first compression mode is received, wherein the first compression mode comprises at least one of the steps of deleting redundant information in the properties of the image, adjusting the color mode of the image, adjusting the image pixel of the image, adjusting the sharpness of the image to lower than a first preset value, and adjusting the color saturation of the image to lower than a second preset value; and the image which is compressed according to the first compression mode is transmitted to a first terminal. According to the technical scheme provided by the invention, the image which is compressed according to the first compression mode occupies less space; the sharpness of the image is still high; on the premise that teaching needs are met, bandwidth resources are saved; and the image can be quickly transmitted to the first terminal.
Description
Technical field
The present invention relates to Internet technical field, particularly a kind of image processing method and device.
Background technology
Along with the development of Internet technology, the advantage of being undertaken imparting knowledge to students by the Internet is more and more obvious, and it has broken the informationalized border of traditional education, can integrate interactive teaching, classroom recorded broadcast, online education.And teacher can be handled official business, prepare lessons, explain, writing on the blackboard, interactive five large common functions are all integrated in a hardware device with demand and realize, without the need to the multiple equipment of operation switching, motivate students' interest in learning, deepen knowledge understanding.
Teacher at school time, each student holds terminal, such as an IPAD, and be called student side, teacher also holds terminal, is called teacher side; In addition, also have the display end of a large-screen, for by the information displaying of teaching of teacher at large-screen, teacher side or student side are when transfer files, and file is comparatively large sometimes, and often transmit comparatively slow, the bandwidth resources taken are also more.
Summary of the invention
In view of the above problems, proposing the present invention to provide a kind of overcoming the problems referred to above or a kind of image processing method solved the problem at least in part and device, in order to when not affecting image display effect, making picture fast transport to first terminal.
The invention provides a kind of image processing method, comprising:
Receive the picture after according to the first compress mode compression, described first compress mode comprises with at least one item under type: delete the redundant information in the attribute of described picture, adjust the color mode of described picture, adjust the picture pixels of described picture, the definition of described picture be adjusted to lower than the first preset value and be adjusted to lower than the second preset value by the color saturation of described picture;
By described according to first compress mode compression after picture transfer to first terminal.
In one embodiment, after described reception is according to the picture after the first compress mode compression, described method also can comprise:
Compress described picture according to the second compress mode, described second compress mode comprises carries out resolution compression to picture;
At least one second terminal is given according to the picture transfer after the second compress mode compression by described.
In one embodiment, describedly compress described picture according to the second compress mode, can comprise:
Obtain the resolution of described picture;
Utilize Wavelet Transformation Algorithm, profile algorithm or fractal algorithm by the resolution compression of described picture to presetting size.
In one embodiment, when described method is applied to teaching,
Described first terminal can be the terminal at teacher place and/or the display end for showing described picture;
Described second terminal can be the terminal at student place.
In one embodiment, the color mode of the described picture of described adjustment, can comprise:
Obtain the current color pattern of described picture;
Whether the current color pattern judging described picture is RGB red, green, blue pattern;
When the current color pattern of described picture is RGB red, green, blue pattern, be CMYK printing color pattern by the current color mode adjustment of described picture.
In one embodiment, the picture pixels of the described picture of described adjustment, can comprise:
Receive the pixel value of the picture of input;
The size of the current pixel value of described picture is adjusted to the pixel value of the picture of described input.
In one embodiment, the redundant information in the attribute of described picture can comprise at least one item in following information: the source-information of picture, the descriptive information of picture.
The present invention also provides a kind of image processing method, comprising:
Obtain the picture to control device to be uploaded;
Compress described picture according to the first compress mode, described first compress mode comprises with at least one item under type: delete the redundant information in the attribute of described picture, adjust the color mode of described picture, adjust the picture pixels of described picture, the definition of described picture be adjusted to lower than the first preset value and be adjusted to lower than the second preset value by the color saturation of described picture;
By the picture uploading after described compression to control device.
The present invention also provides a kind of picture processing device, comprising:
Receiver module, for receiving the picture after according to the first compress mode compression, described first compress mode comprises with at least one item under type: delete the redundant information in the attribute of described picture, adjust the color mode of described picture, adjust the picture pixels of described picture, the definition of described picture be adjusted to lower than the first preset value and be adjusted to lower than the second preset value by the color saturation of described picture;
First transport module, for by described according to first compress mode compression after picture transfer to first terminal.
In one embodiment, described device also can comprise:
Compression module, for compressing described picture according to the second compress mode, described second compress mode comprises carries out resolution compression to picture;
Second transport module, for giving at least one second terminal by described according to the picture transfer after the second compress mode compression.
Some beneficial effects of the embodiment of the present invention can comprise: by receiving the picture after according to the first compress mode compression, and by the picture transfer after compression to first terminal.Due to the picture after the first compress mode compression, its space taken is less, but the definition of picture is still higher, therefore, it is possible under the prerequisite meeting teaching demand, saves bandwidth resources, and can be transferred to first terminal faster.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart of a kind of image processing method in the embodiment of the present invention;
Fig. 2 is the flow chart of another kind of image processing method in the embodiment of the present invention;
Fig. 3 is the flow chart of step S13 in a kind of image processing method in the embodiment of the present invention;
Fig. 4 is the flow chart of step S11 in a kind of image processing method in the embodiment of the present invention;
Fig. 5 is another flow chart of step S11 in a kind of image processing method in the embodiment of the present invention;
Fig. 6 is the flow chart of a kind of image processing method in the embodiment of the present invention one;
Fig. 7 is the flow chart of another kind of image processing method in the embodiment of the present invention;
Fig. 8 is the block diagram of a kind of picture processing device in the embodiment of the present invention;
Fig. 9 is the block diagram of another kind of picture processing device in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Figure 1 shows that the flow chart of a kind of image processing method in the embodiment of the present invention, as shown in Figure 1, comprise the following steps S11-S12:
Step S11, receive the picture after according to the first compress mode compression, the first compress mode comprises with at least one item under type: delete the redundant information in the attribute of picture, adjust the color mode of picture, adjust the picture pixels of picture, be adjusted to lower than the first preset value and be adjusted to the color saturation of picture lower than the second preset value by the definition of picture.
When said method is applied to teaching application system, said method can be used for control device or server.The palmtop PC (student side) that the terminals (teacher side) such as the computer that teacher is used or palmtop PC, student are used and the large-screen (display end) for showing teaching file are all connected with control device or server, between three during transfer files, by control device or transit server, by file transfer to opposite end.
Teacher often used PPT to give lessons upper class hour, and PPT is made up of many pieces of picture exactly.Conveniently transmit, save bandwidth resources, teacher side or student side are compressed according to the first compress mode needing the picture uploading to control device or server, still higher according to the picture clarity after the first compress mode compression, after control device or server receive the picture after according to the first compress mode compression, this kind of displaying end higher for picture clarity requirement such as display end and teacher side can be transferred to.
Step S12, by according to first compress mode compression after picture transfer to first terminal.
When said method is applied to teaching application system, first terminal can be this displaying end higher for picture clarity requirement of teacher side or display end.
The said method of the embodiment of the present invention, by receiving the picture after according to the first compress mode compression, and by the picture transfer after compression to first terminal.Due to the picture after the first compress mode compression, its space taken is less, but the definition of picture is still higher, therefore, it is possible under the prerequisite meeting teaching demand, saves bandwidth resources, and can be transferred to first terminal faster.
In one embodiment, as shown in Figure 2, after step s 11, said method can also comprise the following steps S13-S14:
Step S13, according to the second compress mode compressed picture, the second compress mode comprises carries out resolution compression to picture.
Step S14, gives at least one second terminal by according to the picture transfer after the second compress mode compression.
First compress mode is for carry out quality compression to picture, decrease some redundant informations etc. of picture, but the definition of picture is still higher, second compress mode comprises carries out resolution compression to picture, reduce the resolution of picture, compared with the picture only carrying out according to the first compress mode compressing, the picture after compressing according to two kinds of modes is more suitable for the less demanding student side of picture clarity.
In the present embodiment, control device or server receive each end according to the picture after the first compress mode compression, if opposite end requires it is not very high to the definition of picture, in order to fast transport is to opposite end, according to the second compress mode compressed picture, the space that picture after compression takies is less, thus can fast transport to opposite end.
As shown in Figure 3, in one embodiment, step S13 may be embodied as following steps S31-S32:
Step S31, obtains the resolution of picture;
Step S32, utilizes Wavelet Transformation Algorithm, profile algorithm or fractal algorithm by the resolution compression of picture to presetting size.
In the present embodiment, during according to the second compress mode compressed picture, the algorithm of the compressed pictures such as Wavelet Transformation Algorithm, profile algorithm or fractal algorithm can be utilized by the resolution compression of picture to presetting size.
Illustrate, can utilize Wavelet Transformation Algorithm that the resolution of picture is compressed to 1280*960 by 1600*1200.
In one embodiment, when said method is applied to teaching,
First terminal can be the terminal (teacher side) at teacher place and/or the display end for exhibiting pictures; Second terminal can be the terminal (student side) at student place.
Wherein, first terminal requires higher to the definition of picture, in order to ensure that the definition of the picture received meets the demands, sends to the picture of first terminal only to compress through the first compress mode; The definition of the second terminal to picture is less demanding, can be the terminal at student place, and in order to be transferred to the second terminal faster, to picture again according to the second compress mode compressed picture, after compression, the size of picture is less, is conducive to fast transport to the second terminal.
In one embodiment, as shown in Figure 4, the color mode of the adjustment picture in first compress mode of step S11, can comprise the steps S41-S43:
Step S41, obtains the current color pattern of picture;
Step S42, judges whether the current color pattern of picture is RGB red, green, blue pattern;
The current color mode adjustment of picture, when the current color pattern of picture is RGB red, green, blue pattern, is CMYK printing color pattern by step S43.
In the present embodiment, be CMYK printing color pattern by the color mode of picture by RGB red, green, blue mode adjustment, thus make again the color effect of picture better while reduction picture takes up room.Do not affect first terminal to show.
In one embodiment, as shown in Figure 5, the picture pixels of the adjustment picture in first compress mode of step S11, can comprise the steps S51-S52:
Step S51, receives the pixel value of the picture of input;
Step S52, is adjusted to the pixel value of the picture of input by the size of the current pixel value of picture.
In the present embodiment, during adjustment picture pixels, user can directly input concrete pixel value, after terminal receives pixel value, the pixel value of picture is updated to the pixel value of user's input, thus can adjusts picture pixels simply and easily.
Illustrate, the current pixel value of picture is 2048*1536, and the pixel of picture now, is adjusted to 1600*1200 by user's input pixel value 1600*1200.
In one embodiment, the redundant information in the attribute of picture can comprise at least one item in following information: the source-information of picture, the descriptive information of picture.
The unnecessary information such as the source-information of picture, the descriptive information of picture of deleting can save the space shared by picture.
With specific embodiment, the technique scheme that disclosure embodiment provides is described below.
Figure 6 shows that the flow chart of a kind of image processing method in the embodiment of the present invention, as shown in Figure 6, comprise the following steps S61-S63:
Step S61, obtains the picture to control device to be uploaded;
Step S62, according to the first compress mode compressed picture, first compress mode comprises with at least one item under type: delete the redundant information in the attribute of picture, adjust the color mode of picture, adjust the picture pixels of picture, be adjusted to the definition of picture lower than the first preset value, and be adjusted to lower than the second preset value by the color saturation of picture;
Step S63, by the picture uploading after compression to control device.
The said method of the embodiment of the present invention, the picture uploading to control device is compressed according to the first compress mode, due to still higher according to the picture clarity after the first compress mode compression, therefore, can under the prerequisite meeting teaching demand, save bandwidth resources, be transferred to control device faster.
Embodiment one
The image processing method that embodiment one utilizes disclosure embodiment to provide, said method is applied to tutorial application, and as shown in Figure 7, the method comprises the steps:
Step S71, teacher side obtains the picture to control device to be uploaded, and according to the first compress mode compressed picture, wherein, the first compress mode is identical with above-mentioned first compress mode.
Step S72, control device receive according to first compress mode compression after picture, by according to first compress mode compression after picture transfer to first terminal (such as display end).
Step S73, control device is according to the second compress mode compressed picture, and the second compress mode comprises carries out resolution compression to picture.
Step S74, gives at least one second terminal (such as student side) by according to the picture transfer after the second compress mode compression.
Step S75, at least one second terminal receives the picture after according to the second compress mode compression.
Picture to control device to be uploaded compresses according to the first compress mode by embodiment one, teacher side, and control device receives the picture after according to the first compress mode compression, and by the picture transfer after compression to first terminal.Due to still higher according to the picture clarity after the first compress mode compression, therefore, it is possible under the prerequisite meeting teaching demand, save bandwidth resources, be transferred to control device and first terminal faster.Control device receives each end according to the picture after the first compress mode compression, because student side requires it is not very high to the definition of picture, in order to fast transport is to student side, according to the second compress mode compressed picture, the space that picture after compression takies is less, thus can fast transport to student side.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of picture processing device, the principle of dealing with problems due to this device is similar to aforementioned image processing method, and therefore the enforcement of this device see the enforcement of preceding method, can repeat part and repeat no more.
Figure 8 shows that the block diagram of a kind of picture processing device in the embodiment of the present invention, as shown in Figure 7, this device comprises:
Receiver module 81, for receiving the picture after according to the first compress mode compression, first compress mode comprises with at least one item under type: delete the redundant information in the attribute of picture, adjust the color mode of picture, adjust in the picture pixels of picture, be adjusted to the definition of picture lower than the first preset value, and be adjusted to the color saturation of picture lower than the second preset value.
First transport module 82, for by according to first compress mode compression after picture transfer to first terminal.
The said apparatus of the embodiment of the present invention, by receiving the picture after according to the first compress mode compression, and by the picture transfer after compression to first terminal.Due to the picture after the first compress mode compression, its space taken is less, but the definition of picture is still higher, therefore, it is possible under the prerequisite meeting teaching demand, saves bandwidth resources, and can be transferred to first terminal faster.
In one embodiment, as shown in Figure 9, this device also can comprise:
Compression module 83, for according to the second compress mode compressed picture, the second compress mode comprises carries out resolution compression to picture;
Second transport module 84, for giving at least one second terminal by according to the picture transfer after the second compress mode compression.
In the present embodiment, control device or server receive each end according to the picture after the first compress mode compression, if opposite end requires it is not very high to the definition of picture, in order to fast transport is to opposite end, according to the second compress mode compressed picture, the space that picture after compression takies is less, thus can fast transport to opposite end.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. an image processing method, is characterized in that, comprising:
Receive the picture after according to the first compress mode compression, described first compress mode comprises with at least one item under type: delete the redundant information in the attribute of described picture, adjust the color mode of described picture, adjust the picture pixels of described picture, the definition of described picture be adjusted to lower than the first preset value and be adjusted to lower than the second preset value by the color saturation of described picture;
By described according to first compress mode compression after picture transfer to first terminal.
2. the method for claim 1, is characterized in that, after described reception is according to the picture after the first compress mode compression, described method also comprises:
Compress described picture according to the second compress mode, described second compress mode comprises carries out resolution compression to picture;
At least one second terminal is given according to the picture transfer after the second compress mode compression by described.
3. the method for claim 1, is characterized in that, describedly compresses described picture according to the second compress mode, comprising:
Obtain the resolution of described picture;
Utilize Wavelet Transformation Algorithm, profile algorithm or fractal algorithm by the resolution compression of described picture to presetting size.
4. method as claimed in claim 2, is characterized in that, when described method is applied to teaching,
Described first terminal is the terminal at teacher place and/or the display end for showing described picture;
Described second terminal is the terminal at student place.
5. the method for claim 1, is characterized in that, the color mode of the described picture of described adjustment, comprising:
Obtain the current color pattern of described picture;
Whether the current color pattern judging described picture is RGB red, green, blue pattern;
When the current color pattern of described picture is RGB red, green, blue pattern, be CMYK printing color pattern by the current color mode adjustment of described picture.
6. the method for claim 1, is characterized in that, the picture pixels of the described picture of described adjustment, comprising:
Receive the pixel value of the picture of input;
The size of the current pixel value of described picture is adjusted to the pixel value of the picture of described input.
7. the method according to any one of claim 1-6, is characterized in that,
Redundant information in the attribute of described picture comprises at least one item in following information: the source-information of picture, the descriptive information of picture.
8. an image processing method, is characterized in that, comprising:
Obtain the picture to control device to be uploaded;
Compress described picture according to the first compress mode, described first compress mode comprises with at least one item under type: delete the redundant information in the attribute of described picture, adjust the color mode of described picture, adjust the picture pixels of described picture, the definition of described picture be adjusted to lower than the first preset value and be adjusted to lower than the second preset value by the color saturation of described picture;
By the picture uploading after described compression to control device.
9. a picture processing device, is characterized in that, comprising:
Receiver module, for receiving the picture after according to the first compress mode compression, described first compress mode comprises with at least one item under type: delete the redundant information in the attribute of described picture, adjust the color mode of described picture, adjust the picture pixels of described picture, the definition of described picture be adjusted to lower than the first preset value and be adjusted to lower than the second preset value by the color saturation of described picture;
First transport module, for by described according to first compress mode compression after picture transfer to first terminal.
10. method as claimed in claim 9, it is characterized in that, described device also comprises:
Compression module, for compressing described picture according to the second compress mode, described second compress mode comprises carries out resolution compression to picture;
Second transport module, for giving at least one second terminal by described according to the picture transfer after the second compress mode compression.
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| CN201510694925.5A CN105245753A (en) | 2015-10-21 | 2015-10-21 | Image processing method and device |
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| CN201510694925.5A CN105245753A (en) | 2015-10-21 | 2015-10-21 | Image processing method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110351312A (en) * | 2018-04-02 | 2019-10-18 | 腾讯科技（深圳）有限公司 | Picture sharing method, device, computer equipment and storage medium |
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