CN111866517A - Picture processing method and device, electronic equipment and computer readable storage medium - Google Patents
Picture processing method and device, electronic equipment and computer readable storage medium Download PDFInfo
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- CN111866517A CN111866517A CN202010717765.2A CN202010717765A CN111866517A CN 111866517 A CN111866517 A CN 111866517A CN 202010717765 A CN202010717765 A CN 202010717765A CN 111866517 A CN111866517 A CN 111866517A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
Abstract
The application provides a picture processing method and device, electronic equipment and a computer readable storage medium, and the method comprises the steps of obtaining a picture, obtaining Exif information of the picture, compressing the picture, writing the Exif information into a byte code stream of the compressed picture, and uploading the byte code stream written with the Exif information. According to the scheme, in order to prevent the Exif information of the picture from being lost due to picture compression, the Exif information of the picture is acquired first, then the picture is compressed, finally the Exif information is written into the byte code stream of the compressed picture, and the byte code stream written with the Exif information is uploaded, so that the completeness of the uploaded Exif information of the picture is guaranteed.
Description
Technical Field
The present application relates to the field of information processing, and in particular, to a method and an apparatus for processing a picture, an electronic device, and a computer-readable storage medium.
Background
With the development of information technology, a user can upload and share pictures to the internet through various different channels, the pictures are accompanied by Exif (Exchangeable image file format) information of the pictures, and in the process of uploading the pictures, due to the fact that the pictures are compressed, the Exif information of the pictures can be partially lost, especially the pictures with large occupied space cannot obtain some key information of the uploaded pictures, such as shooting parameters of the pictures. Therefore, how to ensure the integrity of the uploaded Exif information of the picture becomes a problem to be solved urgently.
Disclosure of Invention
The application provides a picture processing method and device, electronic equipment and a storage medium, and aims to solve the problem of how to ensure the integrity of uploaded Exif information of pictures.
In order to achieve the above object, the present application provides the following technical solutions:
a method of picture processing, comprising:
acquiring a picture;
acquiring Exif information of the picture;
compressing the picture;
writing the Exif information into a compressed byte code stream of the picture;
and uploading the byte code stream written with the Exif information.
Optionally, in the method, the acquiring Exif information of the picture includes:
converting data forming the picture into an array in a preset format;
taking an array element at a preset position in the array as an information starting point of the Exif information;
and taking the information starting point and an array element sequence of the array with a preset length after the information starting point as the Exif information of the picture.
In the above method, optionally, the Exif information is an Exif information added with a unique identifier of a user, and the unique identifier of the user is used to represent the original party of the picture as the user.
The above method, optionally, before acquiring the Exif information of the picture and after acquiring the picture, further includes:
acquiring the unique identification of the user;
and storing the unique identifier as a tag value of a target Exif tag, so that the Exif information of the picture comprises the unique identifier, and the target tag is a tag which can be annotated in all Exif tags of the Exif information.
Optionally, the above method for obtaining the picture includes:
responding to a picture shooting instruction input by a user, and controlling picture acquisition equipment to acquire the picture;
alternatively, the first and second electrodes may be,
and responding to a picture downloading instruction input by a user, and downloading to obtain the picture.
In the above method, optionally, the data interface of the picture collecting device writes coordinate position configuration information in advance, so that the Exif information of the picture collected by the picture collecting device includes coordinate position information of a position where the picture collecting device is located.
An apparatus for picture processing, comprising:
a first acquisition unit for acquiring a picture;
a second acquiring unit, configured to acquire Exif information of the picture;
a compression unit for compressing the picture;
a writing unit, configured to write the Exif information into a compressed byte stream of the picture;
and the uploading unit is used for uploading the byte code stream written with the Exif information.
Optionally, in the apparatus above, the second obtaining unit is configured to obtain Exif information of the picture, and includes the second obtaining unit specifically configured to:
converting data forming the picture into an array in a preset format;
taking an array element at a preset position in the array as an information starting point of the Exif information;
and taking the information starting point and an array element sequence of the array with a preset length after the information starting point as the Exif information of the picture.
An electronic device, comprising: a processor and a memory for storing a program; the processor is used for running the program to realize the picture processing method.
A computer-readable storage medium having stored therein instructions, which, when run on a computer, cause the computer to execute the above-mentioned method of picture processing.
The method and the device comprise the steps of obtaining a picture, obtaining Exif information of the picture, compressing the picture, writing the Exif information into a byte code stream of the compressed picture, and uploading the byte code stream written with the Exif information. According to the scheme, in order to prevent the Exif information of the picture from being lost due to picture compression, the Exif information of the picture is acquired first, then the picture is compressed, finally the Exif information is written into the byte code stream of the compressed picture, and the byte code stream written with the Exif information is uploaded, so that the completeness of the uploaded Exif information of the picture is guaranteed.
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 flowchart of a method for processing pictures disclosed in an embodiment of the present application;
FIG. 2 is a flowchart of another method for processing pictures disclosed in the embodiments of the present application;
fig. 3 is a schematic structural diagram of an apparatus for processing pictures according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of an electronic device disclosed in an embodiment of the present application.
Detailed Description
In the method provided by the embodiment of the present Application, the execution main body may be an APP (Application, Application software) with a picture processing function, which is run on the terminal device.
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.
Fig. 1 is a method for processing an image according to an embodiment of the present application, which may include the following steps:
and S101, acquiring a picture.
The implementation manner of this step may be to control the picture collecting device to collect the picture in response to a picture taking instruction input by the user. The APP is used for calling the picture acquisition equipment of the terminal equipment to acquire the picture under the condition that the user clicks the shooting option of the APP.
The implementation manner of this step may also be that, in response to a picture downloading instruction input by the user, a picture is downloaded. And the APP displays the loadable picture under the condition that the user clicks the picture loading option of the APP, and the loading user clicks the selected display picture.
S102, obtaining Exif information of the picture.
The Exif information of a picture is attribute information of the picture (e.g., picture resolution, picture size, and the like) and photographing data (e.g., exposure time, aperture value, and the like). The specific implementation mode of the step comprises the steps A1 to A3:
step A1, converting the data of the picture into an array with a preset format.
For example, the conversion is to an array in binary format, and the specific conversion manner can refer to the prior art.
And step A2, taking an array element at a preset position in the array as an information starting point of the Exif information.
After the data forming the picture is converted into an array with a preset format, the Exif information of the picture is a segment of array element sequence in the array, the sequence starting point of the array element sequence is the information starting point of the Exif information, and the position of the sequence starting point in the array can be preset, so that the array element at the preset position in the array can be directly used as the information starting point of the Exif information.
Step a3, using the information start point and the array element sequence with a preset length after the information start point as the Exif information of the picture.
The Exif information of the picture is an array element sequence with a preset length in an array, so that the Exif information of the picture can be obtained by acquiring an information starting point and the array element sequence with the preset length behind the information starting point.
And S103, compressing the picture.
The picture is compressed to occupy smaller network space resources, and the specific picture compression process refers to the prior art and is not described herein again.
And S104, writing the Exif information into the byte code stream of the compressed picture.
Since the transmission of the picture is the transmission of the byte stream of the picture, the Exif information is written in the byte stream of the compressed picture.
And S105, uploading the byte code stream written with the Exif information.
And uploading the byte code stream written with the Exif information to enable the uploaded picture to comprise the Exif information of the picture.
The method provided by the embodiment comprises the steps of obtaining a picture, obtaining Exif information of the picture, compressing the picture, writing the Exif information into a byte code stream of the compressed picture, and uploading the byte code stream written with the Exif information. According to the scheme, in order to prevent the Exif information of the picture from being lost due to picture compression, the Exif information of the picture is acquired first, then the picture is compressed, finally the Exif information is written into the byte code stream of the compressed picture, and the byte code stream written with the Exif information is uploaded, so that the completeness of the uploaded Exif information of the picture is guaranteed.
In the above embodiment, specifically, in order to enable the determination of the shooting location of the picture at the later stage and the later-stage verification of whether the shooting content of the picture actually exists in the shooting location of the picture. The data interface of the picture acquisition device can write coordinate position configuration information in advance, so that the Exif information of the picture acquired by the picture acquisition device comprises coordinate position information of the position of the picture acquisition device.
In order to protect the picture copyright of the picture originator, referring to fig. 2, this embodiment provides another picture processing method, and a specific embodiment of the same steps as those in the above embodiment may refer to the above embodiment, which is not described herein again, and this embodiment may include the following steps:
s201, obtaining a picture.
S202, acquiring the unique identification of the user.
The unique identifier of the user may be a unique account number registered on the APP by the user, or may be a unique device number of a terminal device running the APP and held by the user.
And S203, storing the unique identifier as the tag value of the target Exif tag.
The Exif information includes a plurality of different Exif tags, each having a tag value. The target tag is a tag which can be annotated from all Exif tags of Exif information. The unique identifier is stored as a tag value of the target Exif tag, so that the unique identifier can be included in the Exif information of the picture.
And S204, acquiring Exif information of the picture.
And S205, compressing the picture.
And S206, writing the Exif information into the byte code stream of the compressed picture.
And S207, transmitting the byte code stream written with the Exif information.
According to the method provided by the embodiment of the application, in order to prevent the Exif information of the picture from being lost due to picture compression, the Exif information of the picture is acquired first, then the picture is compressed, finally the Exif information is written into the byte code stream of the compressed picture, and the byte code stream written with the Exif information is uploaded, so that the integrity of the uploaded Exif information of the picture is ensured.
Further, the unique identification of the user is stored as the tag value of the target Exif tag, so that the Exif information of the picture comprises the unique identification, and the Exif information of the user is used for representing that the original party of the picture is the user, so that the original party of the picture can be determined according to the Exif information of the picture, and the right of protecting the picture copyright of the original party is achieved.
The method provided by the embodiment of the application can be suitable for scenes of real estate transaction platform real estate image management. On real estate transaction platform, the staff who all has a large amount of real estate transaction platform every day uploads the house source picture, the staff can be through using this application the APP that has the picture processing function that operates in terminal equipment to the house source picture that realizes uploading has complete Exif information, and can protect real estate transaction platform's house source picture copyright. Of course, the method provided by the embodiment of the application is not limited to the scene of real estate transaction platform real estate image management, but is also applicable to any image management scene which can realize that the uploaded images have complete Exif information and can protect the image copyright of the image originators.
Fig. 3 is a schematic structural diagram of an apparatus 300 for processing pictures according to an embodiment of the present application, including:
a first acquiring unit 301 configured to acquire a picture;
a second acquiring unit 302, configured to acquire Exif information of a picture;
a compression unit 303, configured to compress a picture;
a writing unit 304, configured to write Exif information into a byte stream of the compressed picture;
and an upload unit 305, configured to upload the byte code stream written with the Exif information.
Optionally, the specific implementation manner of the second obtaining unit 302 obtaining the Exif information of the picture is as follows:
converting data forming the picture into an array in a preset format;
taking an array element at a preset position in an array as an information starting point of Exif information;
and taking the information starting point and an array element sequence of an array with a preset length after the information starting point as Exif information of the picture.
Optionally, the Exif information is added with a unique identifier of the user, and the original party of the unique identifier of the user, which is used for representing the picture, is the user.
Optionally, the first obtaining unit 301 is further configured to obtain a unique identifier of the user; and storing the unique identifier as a tag value of the target Exif tag, so that the Exif information of the picture comprises the unique identifier, and the target tag is a tag which can be annotated in all Exif tags of the Exif information.
Optionally, a specific implementation manner of the first obtaining unit 301 obtaining the picture is as follows: and controlling the picture acquisition equipment to acquire the picture in response to a picture shooting instruction input by the user, or downloading the picture in response to a picture downloading instruction input by the user.
Optionally, the data interface of the picture collecting device writes the coordinate position configuration information in advance, so that the Exif information of the picture collected by the picture collecting device includes the coordinate position information of the position where the picture collecting device is located.
The device provided by the embodiment comprises the steps of obtaining a picture, obtaining Exif information of the picture, compressing the picture, writing the Exif information into a byte code stream of the compressed picture, and uploading the byte code stream written with the Exif information. According to the scheme, in order to prevent the Exif information of the picture from being lost due to picture compression, the Exif information of the picture is acquired first, then the picture is compressed, finally the Exif information is written into the byte code stream of the compressed picture, and the byte code stream written with the Exif information is uploaded, so that the completeness of the uploaded Exif information of the picture is guaranteed.
The present application further provides an electronic device 400, a schematic structural diagram of which is shown in fig. 4, including: a processor 401 and a memory 402, where the memory 402 stores an application program, and the processor 401 is configured to execute the application program to implement the method for processing pictures of the present application, that is, to execute the following steps:
acquiring a picture;
acquiring Exif information of the picture;
compressing the picture;
writing the Exif information into a compressed byte code stream of the picture;
and uploading the byte code stream written with the Exif information.
Optionally, the obtaining of Exif information of the picture includes:
converting data forming the picture into an array in a preset format;
taking an array element at a preset position in the array as an information starting point of the Exif information;
and taking the information starting point and an array element sequence of the array with a preset length after the information starting point as the Exif information of the picture.
Optionally, the Exif information is added with a unique identifier of a user, and the unique identifier of the user is used for representing that an original party of the picture is the user.
Optionally, before acquiring the Exif information of the picture and after acquiring the picture, the method further includes:
acquiring the unique identifier;
and storing the unique identifier as a tag value of a target Exif tag, so that the Exif information of the picture comprises the unique identifier, and the target tag is a tag which can be annotated in all Exif tags of the Exif information.
Optionally, the acquiring the picture includes: and controlling the picture acquisition equipment to acquire the picture in response to a picture shooting instruction input by a user, or downloading the picture in response to a picture downloading instruction input by the user.
Optionally, the data interface of the image capturing device writes coordinate position configuration information in advance, so that the Exif information of the image captured by the image capturing device includes coordinate position information of a position where the image capturing device is located.
The present application also provides a computer-readable storage medium having stored therein instructions, which when run on a computer, cause the computer to perform the method of picture processing of the present application, namely to perform the steps of:
acquiring a picture;
acquiring Exif information of the picture;
compressing the picture;
writing the Exif information into a compressed byte code stream of the picture;
and uploading the byte code stream written with the Exif information.
Optionally, the obtaining of Exif information of the picture includes:
converting data forming the picture into an array in a preset format;
taking an array element at a preset position in the array as an information starting point of the Exif information;
and taking the information starting point and an array element sequence of the array with a preset length after the information starting point as the Exif information of the picture.
Optionally, the Exif information is added with a unique identifier of a user, and the unique identifier of the user is used for representing that an original party of the picture is the user.
Optionally, before acquiring the Exif information of the picture and after acquiring the picture, the method further includes:
acquiring the unique identifier;
and storing the unique identifier as a tag value of a target Exif tag, so that the Exif information of the picture comprises the unique identifier, and the target tag is a tag which can be annotated in all Exif tags of the Exif information.
Optionally, the acquiring the picture includes: and controlling the picture acquisition equipment to acquire the picture in response to a picture shooting instruction input by a user, or downloading the picture in response to a picture downloading instruction input by the user.
Optionally, the data interface of the image capturing device writes coordinate position configuration information in advance, so that the Exif information of the image captured by the image capturing device includes coordinate position information of a position where the image capturing device is located.
The functions described in the method of the embodiment of the present application, if implemented in the form of software functional units and sold or used as independent products, may be stored in a storage medium readable by a computing device. Based on such understanding, part of the contribution to the prior art of the embodiments of the present application or part of the technical solution may be embodied in the form of a software product stored in a storage medium and including several instructions for causing a computing device (which may be a personal computer, a server, a mobile computing device or a network device) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
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 (10)
1. A method for picture processing, comprising:
acquiring a picture;
acquiring Exif information of the picture;
compressing the picture;
writing the Exif information into a compressed byte code stream of the picture;
and uploading the byte code stream written with the Exif information.
2. The method according to claim 1, wherein the obtaining of Exif information of the picture comprises:
converting data forming the picture into an array in a preset format;
taking an array element at a preset position in the array as an information starting point of the Exif information;
and taking the information starting point and an array element sequence of the array with a preset length after the information starting point as the Exif information of the picture.
3. The method according to claim 1, wherein the Exif information is Exif information added with a unique identifier of a user, and the unique identifier of the user is used for representing that an originator of the picture is the user.
4. The method according to claim 3, wherein before acquiring the Exif information of the picture and after acquiring the picture, further comprising:
acquiring the unique identification of the user;
and storing the unique identifier as a tag value of a target Exif tag, so that the Exif information of the picture comprises the unique identifier, and the target tag is a tag which can be annotated in all Exif tags of the Exif information.
5. The method of claim 4, wherein the obtaining the picture comprises:
responding to a picture shooting instruction input by a user, and controlling picture acquisition equipment to acquire the picture;
alternatively, the first and second electrodes may be,
and responding to a picture downloading instruction input by a user, and downloading to obtain the picture.
6. The method according to claim 5, wherein coordinate position configuration information is written in advance in a data interface of the image capturing device, so that the Exif information of the image captured by the image capturing device includes coordinate position information of a position where the image capturing device is located.
7. An apparatus for picture processing, comprising:
a first acquisition unit for acquiring a picture;
a second acquiring unit, configured to acquire Exif information of the picture;
a compression unit for compressing the picture;
a writing unit, configured to write the Exif information into a compressed byte stream of the picture;
and the uploading unit is used for uploading the byte code stream written with the Exif information.
8. The apparatus according to claim 7, wherein the second obtaining unit is configured to obtain Exif information of the picture, and includes the second obtaining unit specifically configured to:
converting data forming the picture into an array in a preset format;
taking an array element at a preset position in the array as an information starting point of the Exif information;
and taking the information starting point and an array element sequence of the array with a preset length after the information starting point as the Exif information of the picture.
9. An electronic device, comprising: a processor and a memory for storing a program; the processor is used for running the program to realize the picture processing method of any one of claims 1 to 6.
10. A computer-readable storage medium having stored therein instructions which, when run on a computer, cause the computer to perform the method of picture processing according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010717765.2A CN111866517A (en) | 2020-07-23 | 2020-07-23 | Picture processing method and device, electronic equipment and computer readable storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010717765.2A CN111866517A (en) | 2020-07-23 | 2020-07-23 | Picture processing method and device, electronic equipment and computer readable storage medium |
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