CN116800877A - Picture processing method and related equipment - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72427—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting games or graphical animations
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
- H04M1/72439—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for image or video messaging
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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
- H04N19/423—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 characterised by memory arrangements
- H04N19/426—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 characterised by memory arrangements using memory downsizing methods
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Abstract
The embodiment of the application discloses a picture processing method and computer equipment, which can be applied to the field of computer file management, in particular to a picture file compression scene, and comprises the following steps: encoding the first picture file into a second picture file with smaller required storage space, generating a dummy file according to the file name and format of the first picture file, and establishing a corresponding relation between the dummy file and the encoded second picture file, so that the system can locate the second picture file through the dummy file, replace the first picture file with the dummy file and the second picture file, and store the second picture file in a memory. The method can reduce the storage space of the pictures while ensuring ecological compatibility, and can realize no sense of application and users.
Description
Technical Field
The present application relates to the field of computers, and in particular, to a method and related apparatus for processing a picture.
Background
With the popularity of terminals represented by smart phones, the occupancy ratio of media files (especially pictures) in the existing smart phones and cloud storage is generally higher, and with the increasing of camera pixels, the resolution of the pictures is higher and higher, and the storage space occupied by each photo is larger and larger. At present, the insufficient storage space becomes one of the main factors of mobile phone replacement of users, the storage space required by pictures is reduced, the use efficiency of the storage space is improved, and the user experience and viscosity can be greatly improved.
JPEG (joint photographic experts group, JPEG) is the most widely used picture standard (picture format) at present, but the JPEG standard is older (more than 20 years), the required storage space is larger, and is 1 time plus more than the storage space occupied by the subsequent new picture standard, although the new picture standard is continuously appeared, the new standard has the problems of ecological compatibility and the like, popularization is limited, development progress is slow, and most users cannot enjoy the benefits brought by the new picture standard, and still use the JPEG standard.
Therefore, how to reduce the storage space of the pictures while ensuring ecological compatibility is a problem to be solved.
Disclosure of Invention
The embodiment of the application provides a picture processing method and computer equipment, which are used for encoding an original picture file into a picture file with smaller required storage space so as to save the storage space required for storing the picture; generating a pseudo file according to the original picture file and the encoded picture file, and replacing the original picture file with the pseudo file to ensure ecological compatibility and adapt to various application software; and meanwhile, the corresponding relation between the pseudo file and the encoded picture file is established, so that the original picture file can be obtained by decoding the pseudo file and the encoded picture file when the picture is accessed, and the normal use of the picture is not affected. The method can reduce the storage space of the pictures while ensuring ecological compatibility, and has no sense of application.
Based on the above, the embodiment of the application provides the following technical scheme:
in a first aspect, an embodiment of the present application provides a picture processing method (encoding process), which may be applied to processing a picture on an end side or processing a picture on a cloud side, where the method includes: encoding the first picture file into a second picture file with smaller required storage space, wherein the reduction of the storage space is realized by changing the format of the first picture file in the encoding process (namely, the file formats of the first picture file and the second picture file are different, and the storage space required by the second picture file is smaller than the storage space required by the first picture file); and generating a pseudo file according to the file name and the format of the first picture file, wherein the file name and the format of the pseudo file are the same as those of the first picture file, and simultaneously, establishing a corresponding relation between the pseudo file and the second picture file obtained by encoding so that the system can locate the second picture file through the pseudo file. The dummy file and the second picture file are used for replacing the first picture file and are stored in the memory.
It should be appreciated that when the entire picture processing flow involves at least two devices, for example, an end-side device and a cloud-side device. In a possible implementation manner, the above-mentioned picture processing method further includes storing the dummy file and the second picture file, that is, the act of storing the file and the act of picture processing are performed by the same side device. In another possible implementation manner, the above-mentioned picture processing method may also be performed by one side device, and the step of storing the dummy file and the second picture file may be performed by the other side device, where the above-mentioned picture processing method further includes sending the dummy file and the second picture file to the other side device for storing.
It should be understood that any encoding method or encoding format capable of achieving the above-mentioned effects may be adopted in the above-mentioned image processing method, that is, the encoding method and the format of the second image file are not limited by the present application, as long as the storage space required by the second image file is smaller than the storage space required by the first image file, the smaller the storage space required by the second image file is, the higher the efficiency of the above-mentioned image processing method is, and the more obvious the beneficial effects are.
It should be understood that, in the above-mentioned image processing method, the correspondence between the pseudo file and the second image file may be established in any manner, as long as the system can find the second image file through the pseudo file, and the specific implementation manner of the correspondence is not limited in the embodiment of the present application.
According to the picture processing method, the first picture file is encoded into the second picture file with smaller required storage space, so that the storage space required for storing the first picture file is saved; generating a pseudo file according to the first picture file and the second picture file, replacing the first picture file with the pseudo file with the same file name and file format so as to ensure that the application is noninductive, ensure ecological compatibility and adapt to various application software; and simultaneously, the corresponding relation between the pseudo file and the second picture file is established, so that the second picture file can be found through the pseudo file when the first picture file needs to be accessed, and the first picture file is obtained through decoding, so that the normal use of the picture is not influenced, and the user does not feel. The method can reduce the storage space of the pictures while ensuring ecological compatibility, and can realize no sense of application and users.
In a possible implementation manner of the first aspect, when the first picture file needs to be accessed, for example, when the first picture file needs to be edited, viewed, or sent, the dummy file may be acquired based on request information for acquiring the first picture file (the request information includes a file name and a file format of a file to be acquired), then the second picture file is acquired based on a corresponding relationship between the dummy file and the second picture file, and the first picture file is obtained by decoding based on the second picture file.
Through the mechanism, the association relationship between the pseudo file and the first picture file and the association relationship between the pseudo file and the second picture file are established, so that the first picture file can be quickly recovered and obtained when the first picture file needs to be accessed, and normal access and use of the first picture file are ensured.
In a possible implementation manner of the first aspect, a lossless encoding method is adopted in the process of encoding the first picture file into the second picture file.
The lossless coding can not cause loss of quality of the picture files, the first picture files can be recovered after the second picture files are decoded, and the recovered first picture files have little quality loss compared with the original first picture files, so that the storage space is saved, the user experience is ensured, and the user is free of sense.
In a possible implementation manner of the first aspect, the dummy file and the second picture file are two independent files, and the dummy file includes a file name and a storage path of the second picture file.
It should be appreciated that more information about the second picture file may also be included in the pseudo file, e.g., file format, file size, etc. of the second picture file, to more precisely locate the second picture file.
Storing the pseudo file and the second picture file as two independent files can reduce the implementation difficulty of the algorithm, and in this case, storing the file name and the storage path of the second picture file in the pseudo file can realize positioning to the second picture file through the pseudo file.
In a possible implementation manner of the first aspect, the dummy file includes the second picture file, that is, the second picture file is stored in the dummy file, and a storage path of the second picture file is further included in the dummy file, for example, from which byte of the dummy file the second picture file starts.
The pseudo file and the second picture file are stored as one file, namely, the second picture file is stored in the pseudo file, so that the complexity of system file management can be reduced, and the second picture file can be directly positioned by searching the pseudo file when the first picture file is accessed, other files are not required to be accessed, and the access efficiency can be improved.
In a possible implementation manner of the first aspect, the first picture file is obtained by shooting with a camera; alternatively, the first picture file is received by an application program, or the first picture file is obtained from a memory.
The picture processing method can save the storage space of the first picture file, and the picture processing process can be applied to each stage according to requirements.
In a possible implementation manner of the first aspect, the format of the first picture file may be a JPEG format, a PNG format or a GIF format.
In a possible implementation manner of the first aspect, the first picture file is a picture file stored in a memory, and the access frequency is lower than a preset value, for example, the preset value may be once a week, once a month, or once a year.
Because the first picture file is encoded to save the storage space, decoding is performed when the first picture file needs to be accessed, a certain amount of computational power is needed to support, and if the access frequency of the first picture file is high, the process of encoding and decoding is needed continuously, so that a great amount of computational power is consumed. Therefore, the picture files with the access frequency lower than the preset value are selected for processing, so that a balance can be obtained between the storage space and the system computing power, and the user experience is ensured to the greatest extent.
In a second aspect, an embodiment of the present application provides a picture processing method (decoding process) for accessing a picture file, which is applicable to an end-side device and also applicable to a cloud-side device, where the method includes: corresponding to request information for acquiring a first picture file, wherein the request information comprises a file name and a file format of the first picture file, and acquiring a pseudo file with the same file name and file format as the first picture file; acquiring a second picture file with a corresponding relation with the pseudo file according to the pseudo file; and decoding the second picture file into a first picture file, wherein the format of the first picture file is different from that of the second picture file, and the storage space required by the second picture file is smaller than that required by the first picture file.
It should be understood that the picture processing method provided in the second aspect corresponds to the picture processing method provided in the first aspect, where the picture processing method provided in the first aspect is used for performing an encoding operation on an original picture file (first picture file) to save a storage space, and the picture processing method provided in the second aspect is used for performing a decoding operation to restore the original picture file when the original picture file needs to be accessed.
Through the picture processing method, the association relationship between the pseudo file and the first picture file and the association relationship between the pseudo file and the second picture file are ensured, so that the first picture file can be quickly recovered and obtained when the first picture file needs to be accessed, and the normal access and use of the first picture file are ensured.
In a possible implementation manner of the second aspect, the dummy file and the second picture file are two independent files, and the dummy file includes a file name and a storage path of the second picture file.
In a possible implementation manner of the second aspect, the dummy file includes the second picture file, that is, the second picture file is stored in the dummy file, and a storage path of the second picture file is further included in the dummy file, for example, from which byte of the dummy file the second picture file starts.
In a possible implementation manner of the second aspect, the format of the first picture file may be a JPEG format, a PNG format or a GIF format.
A third aspect of the embodiments of the present application provides a computer device having a function to implement the method of the first aspect, the second aspect, any one of the possible implementations of the first aspect, or any one of the possible implementations of the second aspect. The functions can be realized by hardware, and can also be realized by executing corresponding software by hardware. The hardware or software package
Including one or more modules corresponding to the functions described above.
A fourth aspect of the embodiments of the present application provides a computer device, which may include a memory, a processor, and a bus system, where the memory is configured to store a program, and the processor is configured to call the program stored in the memory to perform the method of the first aspect or any one of the possible implementation manners of the first aspect of the embodiments of the present application.
A fourth aspect of the embodiments of the present application provides a computer readable storage medium having instructions stored therein which, when run on a computer, cause the computer to perform the above-described first aspect, second aspect, any one of the possible implementations of the first aspect, or a method of any one of the possible implementations of the second aspect.
A fifth aspect of embodiments of the present application provides a computer program which, when run on a computer, causes the computer to perform the method of the first aspect, the second aspect, any one of the possible implementations of the first aspect, or any one of the possible implementations of the second aspect.
A sixth aspect of the embodiments of the present application provides a chip (e.g. a CPU) comprising at least one processor and at least one interface circuit coupled to the processor, the at least one interface circuit for performing a transceiving function and sending instructions to the at least one processor, the at least one processor for running a computer program or instructions having the functionality to implement the method of the first aspect, the second aspect, any one of the possible implementations of the first aspect, or any one of the possible implementations of the second aspect, the functionality being implemented in hardware, or in software, or in a combination of hardware and software, the hardware or software comprising one or more modules corresponding to the functionality described above. In addition, the interface circuit is used for communicating with other modules outside the chip, for example, the interface circuit can send the pseudo file and the second picture file obtained by the on-chip processor to the other side device for storage.
The second to sixth aspects of the embodiments of the present application can achieve the advantages as described in the first aspect, and in order to avoid repetition, details are not repeated here.
Drawings
FIG. 1 is a schematic diagram of a memory system according to an embodiment of the present application;
fig. 2 is a schematic flow chart of a picture processing method according to an embodiment of the present application;
FIG. 3a is a schematic diagram of a storage mode according to an embodiment of the present application;
FIG. 3b is a schematic diagram of another storage mode according to an embodiment of the present application;
fig. 4 is a schematic flow chart of a picture processing method according to an embodiment of the present application;
FIG. 5 is a schematic diagram of a control interface provided by an embodiment of the present application;
FIG. 6 is a schematic diagram of a computer device according to an embodiment of the present application;
FIG. 7 is a schematic diagram of a computer device according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a computer device according to an embodiment of the present application.
Detailed Description
Embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application. In the following description, reference is made to the accompanying drawings that show, by way of illustration, specific aspects of embodiments in which the application may be practiced. It is to be understood that embodiments of the application may be used in other aspects and may include structural or logical changes not depicted in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present application is defined by the appended claims. For example, it should be understood that the disclosure in connection with the described methods may be equally applicable to a corresponding apparatus or system for performing the methods, and vice versa. For example, if one or more specific method steps are described, the corresponding apparatus may comprise one or more units, such as functional units, to perform the one or more described method steps (e.g., one unit performing one or more steps, or multiple units each performing one or more of the multiple steps), even if such one or more units are not explicitly described or illustrated in the figures. On the other hand, if a specific apparatus is described based on one or more units such as a functional unit, for example, the corresponding method may include one step to perform the functionality of the one or more units (e.g., one step to perform the functionality of the one or more units, or multiple steps each to perform the functionality of one or more units, even if such one or more steps are not explicitly described or illustrated in the figures). Further, it is to be understood that features of the various exemplary embodiments and/or aspects described herein may be combined with each other, unless explicitly stated otherwise.
In the embodiments of the present application, "at least one" means one or more, and "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a alone, a and B together, and B alone, wherein a, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b, or c may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or plural.
The terminology used in the description of the embodiments of the application herein is for the purpose of describing particular embodiments of the application only and is not intended to be limiting of the application.
First, an application scenario related to the picture processing method provided by the embodiment of the application is introduced. In one possible implementation manner, the image processing method provided by the embodiment of the application can be executed at the end side. For example, an original picture file may be obtained through an application program such as a camera or a social App (application), the original picture file is encoded by an operating system of the end side, and an encoded picture file and a dummy file are generated and stored in a memory of the end side, so as to achieve the purpose of saving the storage space of the end side. In a possible implementation manner, the image processing method provided by the embodiment of the application can be executed on the cloud side. For example, when the terminal side sends the original picture file to the cloud side for storage, the processor of the cloud side may encode the original picture file, generate an encoded picture file and a pseudo file, and store the encoded picture file and the pseudo file, so as to achieve the purpose of saving cloud space. In a possible implementation manner, the image processing method provided by the embodiment of the application can be cooperatively executed through the end cloud. For example, when the terminal side needs to send the picture file to the cloud side for storage, the operating system of the terminal side may encode the original picture file, generate an encoded picture file and a pseudo file, and send the encoded picture file and the pseudo file to the cloud side for storage, so as to achieve the purpose of saving cloud space. In a possible implementation manner, the image processing method provided by the embodiment of the present application may be applied to a scene of home storage, where the home storage may correspond to the cloud side storage, and the method is similar and will not be described in detail.
Next, referring to fig. 1, fig. 1 is a schematic diagram of a storage system architecture according to an embodiment of the present application. As shown in fig. 1, the storage system includes a computing node 11, a storage node 12, and a storage medium 13. The computing node 11 and the storage node 12 may be physical servers, or may be virtual entities based on general hardware resource abstraction, such as virtual machines, containers, and the like. The storage medium 13 is, for example, a storage medium such as a Solid State Disk (SSD), a Hard Disk Drive (HDD), or a storage class memory (Storage class memory, SCM), and the storage medium 13 may be a storage medium local to a storage node or a distributed storage medium connected to the storage node.
The compute node 11 may have data access to the storage node 12, e.g., write data, read data, etc. Specifically, the computing node 11 may send a write request to the storage node 12 to write data, where the data to be written in the write request may be various types of data, such as pictures, databases, text, and the like. In the embodiment of the present application, the data to be written is also an original picture file (first picture file). After receiving the write request, the storage node 12 encodes the first picture file into a picture file with smaller required storage space, i.e., a second picture file, through the encoding module 121, and the dummy file generating module 123 generates a dummy file based on the first picture file received by the storage node 12 and the second picture file obtained by encoding by the encoding module 121. The storage node 12 may further comprise a decoding module 122, and when the computing node 11 needs to read the original picture file (the first picture file), the storage node 12 may find the encoded second picture file from the storage medium 13 according to the dummy file, and read the encoded second picture file. The decoding module 122 is configured to decode the encoded second picture file to recover the first picture file, and return the obtained first picture file to the computing node 11. The encoding module 121, the dummy file generating module 123, and the decoding module 122 may be in the form of software, hardware, or firmware.
Based on the system architecture described above, the following describes in detail the picture processing method provided by the embodiment of the present application, where the picture processing method can be used in the various application scenarios described above, and only the end side is used as the execution subject to describe the detailed description of the scheme, it should be understood that other application scenarios can also be used, and the method is basically the same. Referring to fig. 2, fig. 2 is a schematic flow chart of a picture processing method according to an embodiment of the present application, which may specifically include the following steps:
201. and encoding the first picture file into a second picture file, wherein the format of the first picture file is different from that of the second picture file, and the storage space required by the second picture file is smaller than that required by the first picture file.
It should be understood that, the image processing method provided in the embodiment of the present application is used to reduce the storage space required for storing the image, so that the image file can be processed in each link. In one possible implementation, the picture file may be processed when it is first generated or received, for example, after it is captured by a camera, and for example, after it is received by an application. In another possible implementation, the picture files already stored in the memory may be processed, for example, this operation may be performed periodically. At this time, the picture file may be acquired from the memory, and the picture file may be stored in the memory again after being processed. It should be understood that the above-mentioned time nodes are merely exemplary, and other time nodes that can encode pictures are possible, and in actual operation, an appropriate time node may be selected according to the needs.
In particular, since the encoding process is performed on the picture file, the decoding process is further performed on the picture file to obtain the original picture file, the complexity of the operation is increased to a certain extent, the system computing power is increased, and the efficiency of obtaining the picture is reduced. Therefore, in one possible implementation manner, the picture files with the access frequency lower than the preset value in the memory can be processed periodically, and the picture files with the higher access frequency are saved in the form of original pictures so as to obtain a certain balance between the storage space and the operation efficiency. By way of example, the preset value may be once a month, once a quarter, once a year, etc., as the present application is not limited in this regard.
The format of the first picture described in the embodiment of the application can be common picture standard formats such as a JPEG format, a PNG (portable network graphics, PNG) format, a GIF (graphics interchange format, GIF) format and the like, the picture standard formats have universality, most ecology can support pictures in the formats, and the ecology compatibility is good. The format of the second picture described in the embodiments of the present application may be any picture format capable of reducing the storage space of the picture, and is not limited to a general picture format, but may also be a proprietary format, for example, the second format may be a HEIF (high efficiency image format, HEIF) format. It should be understood that, in the embodiment of the present application, encoding the first picture file into the second picture file is to reduce the storage space required for storing the picture file, so as long as any two picture formats conforming to the constraint that the storage space required for the second picture format is smaller than the storage space required for the first picture format are possible, and as long as any encoding algorithm capable of achieving this effect is possible, the specific formats of the first picture file and the second picture file and the encoding algorithm adopted are not limited.
It should be appreciated that the greater the compression benefit of the encoding algorithm employed, the less storage space is required for the encoded picture file, enabling more storage space to be saved. Therefore, on the premise of ensuring the quality of the picture file, a coding algorithm with a large compression benefit is preferable, for example, a coding algorithm with a compression benefit of 20+% (the encoded picture file has a file size reduced by 20+%) compared with the picture file before encoding can be selected.
It should be noted that, in the prior art, a process of encoding a picture file from a bitmap (bitmap) format to a format such as JPEG is generally referred to as primary encoding, for example, a format of an original picture captured by a camera is generally a bitmap format, and in the prior art, the picture file in the bitmap format is generally encoded into the format such as JPEG first and then stored. Because the storage space required by the picture file in the bitmap format is large, the above-mentioned one-time coding process can also achieve the purpose of saving the storage space. In the embodiment of the application, the process of encoding the first picture file into the second picture file is not a primary encoding process, but a secondary encoding process performed after the primary encoding process. That is, in the embodiment of the present application, the format of the first picture file is not a bitmap, but a picture format after JPEG or the like is encoded once.
In one possible implementation, the encoding process of encoding the first picture into the second picture is lossless encoding. In the decoding process, the second picture file can be restored to the first picture file through decoding operation, and a lossless coding method is adopted, so that the first picture file obtained through decoding has almost no loss compared with the original picture file, good user experience can be ensured, no sense of user is achieved, and the method is more friendly to users. For example, the lossless encoding mode may be visual lossless encoding, that is, the first picture file obtained by decoding and recovering the second picture file has no visual loss compared with the original first picture file, and the user does not perceive the difference between the decoded first picture file and the original first picture file. For example, the lossless coding mode may be bit lossless coding, that is, the bit rate of the first picture file obtained by decoding and recovering the second picture file is the same as that of the original first picture file. It should be appreciated that the above lossless coding scheme is merely exemplary, and that other lossless coding schemes that guarantee a user experience are possible.
202. Generating a dummy file according to the first picture file and the second picture file, wherein the format and the file name of the dummy file are the same as those of the first picture file, the dummy file and the second picture file have a corresponding relation, and the dummy file and the second picture file are used for being stored in a memory.
In the prior art, if the first picture file is directly stored, the system records the information such as the file name, format, storage path and the like of the first picture file, and when the first picture file needs to be called, the first picture file can be found through the information. After the first picture file is encoded to obtain the second picture file, the second picture file may not be directly found when the first picture is called because the format of the second picture file is different from that of the first picture file. Thus, a dummy file needs to be generated as a bridge between the system and the second picture file.
The file name and format of the dummy file are the same as those of the first picture file, and based on the same, the first picture file can be replaced by the dummy file, and the application considers that the dummy file is the first picture file, so that the dummy file can be found according to the file name and format when the first picture file is called. Meanwhile, a corresponding relation between the dummy file and the second picture file needs to be established, so that when the system finds the dummy file according to the file name and the file format, the system further points to the second picture file, and the system can acquire the substantial content (namely, the second picture file) of the first picture file through the dummy file.
In one possible implementation manner, the dummy file may further include a dummy file identifier, where the dummy file identifier is used to indicate that the dummy file is a puppet file and is not a real first picture file, so that when the system finds the dummy file, the system directly uses the dummy file as the first picture file to perform a reading operation.
After the dummy file and the second picture file are obtained, the dummy file and the second picture file can be stored in a memory to replace the first picture file, and because the storage space required by the dummy file and the second picture file is far smaller than that of the first picture file, only the dummy file and the second picture file are stored without storing the first picture file, and the storage space can be greatly saved.
The embodiment of the application does not limit the specific storage modes of the pseudo file and the second picture file. In one possible implementation, the dummy file and the second picture file may be stored as two separate files, respectively. For example, as shown in fig. 3a, the file name of the first picture file is A1, and the format is JPEG format. The format and the file name of the second picture file obtained after the first picture file is encoded may be arbitrary, as long as the storage space required for satisfying the second picture file is smaller than that of the first picture file. The file name of the dummy file is A1, and the format is a JPEG format, so that the system can find the second picture file through the dummy file, and the file name and the storage path of the second picture are included in the dummy file. The algorithm of the implementation mode is easy to implement, and the difficulty of the implementation of the algorithm can be reduced.
In another possible implementation, the dummy file may contain the second picture file. The second picture file is stored at the same time as the dummy file. For example, as shown in fig. 3b, the file name of the whole pseudo file is A1, the format of the whole pseudo file is a JPEG format, and the whole pseudo file includes two parts of contents of a second picture file and a pseudo file header, wherein the pseudo file header includes a storage path of the second picture. Since the dummy file includes the second picture file, the storage path of the second picture file may be used to indicate from which byte of the dummy file the second picture file starts. Both implementations can be implemented: the system finds the pseudo file through the file name and the format, and then finds the effect of the second picture file through the related information in the pseudo file. In the implementation mode, only one pseudo file is stored, so that the complexity of the file management system can be reduced, and the efficiency of the file management system is improved.
It should be noted that the execution bodies for saving the dummy file and the second picture file may be different in different application scenarios. In one possible implementation manner, the above-mentioned picture processing method is performed on the end side, and at this time, the saved action is also performed by the end side. In one possible implementation manner, the above-mentioned picture processing method is executed on the cloud side, and at this time, the saved action is also executed by the cloud side. In a possible implementation manner, the above-mentioned picture processing method may involve end-cloud collaboration, or collaboration of two end sides, where steps 201 and 202 may be performed by the end side (or one of the sides), and then the end side sends the pseudo file and the second picture file to the cloud side (or the other side), and the cloud side (or the other side) stores the pseudo file and the second picture file.
In one possible implementation manner, after the first picture file is acquired, the first picture file is first stored in a buffer memory, and then the above-mentioned picture processing method is executed, after the dummy file and the second picture file are saved, the first picture file may be cleaned up from the buffer memory (i.e., the buffer memory is released), so as to save the buffer memory space.
When the system needs to recall the first picture file, for example, when the first picture file needs to be edited, the first picture file needs to be recovered through the dummy file and the second picture file. Referring to fig. 4, fig. 4 is a schematic flow chart of a picture processing method according to an embodiment of the present application, which may specifically include the following steps:
401. and responding to request information for acquiring the first picture file, acquiring a pseudo file, wherein the request information comprises the file name and the format of the first picture file, and the file name and the format of the pseudo file are identical to those of the first picture file.
When a user performs operations of opening, sending and editing on the picture file, the related application needs to send a request for acquiring the first picture file to acquire the first picture file, and perform a response operation. In order to acquire the first picture file, the request information needs to include the file name and format of the first picture file, so as to find the first picture information, and because the file name and format of the dummy file are the same as those of the first picture file, the system can mistakenly consider the dummy file as the first picture file to be acquired, and further acquire the dummy file.
402. And acquiring a second picture file according to the pseudo file, wherein the pseudo file and the second picture file have a corresponding relationship.
The dummy file includes a dummy file identifier, so that when the system reads the information of the dummy file, it is known that the dummy file is not the first picture file to be acquired, but a puppet file. At this time, the system may acquire the second picture file according to the correspondence between the dummy file and the second picture file.
403. And decoding the second picture file into the first picture file, wherein the formats of the first picture file and the second picture file are different, and the storage space required by the second picture file is smaller than the storage space required by the first picture file.
After the second picture file is obtained, a decoding method corresponding to the encoding method can be adopted to decode the second picture file into the first picture file, so that the first picture file is restored, and the system can successfully obtain the first picture file required by the request information.
After the first picture file is obtained, the first picture file can be operated according to the request. After the operation on the first picture file is completed, a closing flow can be entered. In one possible implementation, different shutdown procedures may need to be performed according to different operations. For example, in the case where only the first picture file is displayed without modification of the first picture file, neither the dummy file nor the second picture file needs modification, and the first picture file may be deleted from the buffer directly (the buffer is released). In the case of editing the first picture file, it is necessary to regenerate a dummy file and/or a second picture file from the edited first picture file, and then delete the first picture file from the buffer (release the buffer).
It should be understood that, in order to avoid repetition, some implementations of the picture processing method shown in fig. 4 are the same as or similar to those of the picture processing method shown in fig. 2, and no further description is given here.
According to the picture processing method provided by the embodiment of the application, the original picture file is encoded into the picture file with smaller required storage space, so that the storage space required for storing the picture is saved; generating a pseudo file according to the original picture file and the encoded picture file, and replacing the original picture file with the pseudo file to ensure ecological compatibility and adapt to various application software; and meanwhile, the corresponding relation between the pseudo file and the encoded picture file is established, so that the original picture file can be obtained by decoding the pseudo file and the encoded picture file when the picture is accessed, and the normal use of the picture is not affected. The method can reduce the storage space of the pictures while ensuring ecological compatibility, and has no sense of application.
In one possible implementation, the above-mentioned picture processing method may be used as a function of the computer device, where the function may be set by a switch in the setting, and for example, the function may be a new function for prompting the user in the process of upgrading the system. Illustratively, the control interface for this function is shown in FIG. 5, and the user can control the function to be turned on or off via this switch.
In order to better implement the above-described aspects of the embodiments of the present application on the basis of the above-described corresponding embodiments, a computer device for implementing the above-described aspects is also provided below. The computer device may include a handheld terminal device, such as a mobile phone, a computer, an iPad, etc., and may also include an intelligent wearable device, such as an intelligent bracelet, an intelligent watch, an intelligent heart rate meter, etc.; the application is not limited to the product form of the computer device, and the electronic device which can be used for realizing the picture processing method of the application can be called as the computer device.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a computer device according to an embodiment of the present application, where the computer device 600 includes: the device comprises an encoding/decoding module 601 and a generating module 602, wherein the acquiring module 601 is configured to encode a first picture file into a second picture file, the format of the first picture file is different from that of the second picture file, and the storage space required by the second picture file is smaller than that required by the first picture file; the generating module 602 is configured to generate a dummy file according to the first picture file and the second picture file, where the format and the file name of the dummy file are the same as those of the first picture file, the dummy file and the second picture file have a corresponding relationship, and the dummy file and the second picture file are used for being stored in a memory.
In one possible design, computer device 600 further includes: an obtaining module 603, configured to obtain the dummy file in response to the request information for obtaining the first picture file, and obtain the second picture file based on the dummy file; the encoding/decoding module 601 is further configured to decode the second picture file into a first picture file.
In one possible design, the encoding/decoding module 601 is specifically configured to losslessly encode the first picture file into a second picture file.
In one possible design, the dummy file and the second picture file are two independent files; the correspondence between the pseudo file and the second picture file includes: the dummy file includes a file name and a storage path of the second picture.
In one possible design, the correspondence between the dummy file and the second picture file includes: the pseudo file comprises the second picture file; the pseudo file includes a storage path of the second picture.
In one possible design, the first picture file is taken by a camera; or the first picture file is received by an application program; alternatively, the first picture file is retrieved from memory.
In one possible design, the format of the first picture file is any one of the following picture formats: JPEG format, PNG format or GIF format.
In one possible design, the first picture file is retrieved from the memory, and the access frequency of the first picture file is lower than a preset value.
In one possible design, computer device 600 further includes: and the sending module 604 is configured to send the pseudo file and the second picture to a memory for storing.
In one possible design, computer device 600 further includes: the storage module 605 is configured to store the dummy file and the second picture.
Referring to fig. 7, fig. 7 is a schematic structural diagram of a computer device according to an embodiment of the present application, where the computer device 700 includes: an acquisition module 701 and a decoding module 702, wherein the acquisition module 701 is configured to acquire a dummy file in response to request information for acquiring a first picture file, where the request information includes a file name and a format of the first picture, and the file name and the format of the dummy file are the same as those of the first picture; the obtaining module 701 is further configured to obtain a second image file according to the pseudo file, where the pseudo file and the second image file have a corresponding relationship; the decoding module 702 is configured to decode the second picture file into the first picture file, where the format of the first picture file is different from that of the second picture file, and a storage space required by the second picture file is smaller than that required by the first picture file.
In one possible design, the dummy file and the second picture file are two independent files; the correspondence between the pseudo file and the second picture file includes: the dummy file includes a file name and a storage path of the second picture.
In one possible design, the correspondence between the dummy file and the second picture file includes: the pseudo file comprises the second picture file; the pseudo file includes a storage path of the second picture.
In one possible design, the format of the first picture file is any one of the following picture formats: JPEG format, PNG format or GIF format.
The embodiment of the present application further provides a computer device, please refer to fig. 8, fig. 8 is a schematic structural diagram of the computer device provided in the embodiment of the present application, and for convenience of explanation, only the portion related to the embodiment of the present application is shown, and specific technical details are not disclosed, please refer to the method portion of the embodiment of the present application. The computer device 800 may have disposed thereon the modules described in the corresponding embodiments of fig. 6 and 7 for implementing the functions of the computer device 600 in the corresponding embodiment of fig. 6 and the functions of the computer device 700 in the corresponding embodiment of fig. 7. In particular, computer device 800 is implemented by one or more servers, and computer device 800 may vary considerably in configuration or performance, and may include one or more central processing units (central processing units, CPUs) 822 and memory 832, one or more storage media 830 (e.g., one or more mass storage devices) storing applications 842 or data 844. Wherein the memory 832 and the storage medium 830 may be transitory or persistent. The program stored on the storage medium 830 may include one or more modules (not shown), each of which may include a series of instruction operations in the computer device 800. Still further, the central processor 822 may be configured to communicate with a storage medium 830 to execute a series of instruction operations in the storage medium 830 on the computer device 800.
The computer device 800 may also include one or more power supplies 826, one or more wired or wireless network interfaces 850, one or more input/output interfaces 858, and/or one or more operating systems 841, such as Windows Server, mac OS XTM, unixTM, linuxTM, freeBSDTM, etc.
In the embodiment of the present application, the cpu 822 is configured to execute the processing method of the picture in the corresponding embodiment of fig. 2 and fig. 4. For example, the central processor 822 may be configured to: encoding a first picture file into a second picture file, wherein the format of the first picture file is different from that of the second picture file, the storage space required by the second picture file is smaller than that required by the first picture file, generating a dummy file according to the first picture file and the second picture file, the format and the file name of the dummy file are the same as those of the first picture file, the dummy file and the second picture file have a corresponding relationship, and the dummy file and the second picture file are used for being stored in a memory
It should be noted that, the cpu 822 may also be used to perform any step in the method embodiments corresponding to fig. 2 and 4, and the specific content may be referred to the description in the foregoing method embodiments of the present application, which is not repeated herein.
Embodiments of the present application also provide a computer-readable storage medium having stored therein a program for performing signal processing, which when run on a computer, causes the computer to perform the steps performed by the computer device as described in the foregoing embodiment.
It should be further noted that the above-described apparatus embodiments are merely illustrative, and that the units described as separate units may or may not be physically separate, and that units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, in the drawings of the embodiment of the device provided by the application, the connection relation between the modules represents that the modules have communication connection, and can be specifically implemented as one or more communication buses or signal lines.
From the above description of the embodiments, it will be apparent to those skilled in the art that the present application may be implemented by means of software plus necessary general purpose hardware, or of course by means of special purpose hardware including application specific integrated circuits, special purpose CPUs, special purpose memories, special purpose components, etc. Generally, functions performed by computer programs can be easily implemented by corresponding hardware, and specific hardware structures for implementing the same functions can be varied, such as analog circuits, digital circuits, or dedicated circuits. However, a software program implementation is a preferred embodiment for many more of the cases of the present application. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a readable storage medium, such as a floppy disk, a U-disk, a removable hard disk, a Read Only Memory (ROM), a random access memory (random access memory, RAM), a magnetic disk or an optical disk of a computer, etc., comprising instructions for causing a computer device (which may be a personal computer, a training device, a network device, etc.) to execute the method according to the embodiments of the present application.
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product.
The computer program product includes one or more computer instructions. When loaded and executed on a computer, produces a flow or function in accordance with embodiments of the present application, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from one website, computer, training device, or data center to another website, computer, training device, or data center via a wired (e.g., coaxial cable, optical fiber, digital subscriber line), or wireless (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be stored by a computer or a data storage device such as a training device, a data center, or the like that contains an integration of one or more available media. The usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a high-density digital video disc (digital video disc, DVD)), or a semiconductor medium (e.g., a Solid State Disk (SSD)), or the like.
Claims (24)
1. A picture processing method, comprising:
encoding a first picture file into a second picture file, wherein the format of the first picture file is different from that of the second picture file, and the storage space required by the second picture file is smaller than that required by the first picture file;
generating a dummy file according to the first picture file and the second picture file, wherein the format and the file name of the dummy file are the same as those of the first picture file, the dummy file and the second picture file have a corresponding relation, and the dummy file and the second picture file are used for being stored in a memory.
2. The method according to claim 1, wherein the method further comprises:
responding to the request information for acquiring the first picture file, and acquiring the pseudo file;
acquiring the second picture file based on the pseudo file;
and decoding the second picture file into the first picture file.
3. The method according to claim 1 or 2, wherein said encoding the first picture file into the second picture file comprises:
and lossless encoding the first picture file into a second picture file.
4. A method according to any one of claims 1-3, characterized in that: the pseudo file and the second picture file are two independent files;
the correspondence between the pseudo file and the second picture file includes: the dummy file includes a file name and a storage path of the second picture file.
5. A method according to any one of claims 1 to 3, wherein,
the correspondence between the pseudo file and the second picture file includes: the dummy file contains the second picture file;
the pseudo file comprises a storage path of the second picture.
6. The method according to any one of claims 1 to 5, wherein,
the first picture file is obtained by shooting through a camera; or alternatively, the process may be performed,
the first picture file is received by an application program; or alternatively, the process may be performed,
the first picture file is retrieved from a memory.
7. The method according to any of claims 1-6, wherein the format of the first picture file is any of the following picture formats:
JPEG format, PNG format or GIF format.
8. The method according to any one of claims 1 to 7, wherein,
The first picture file is obtained from a memory, and the access frequency of the first picture file is lower than a preset value.
9. The method according to any one of claims 1-8, further comprising:
and storing the pseudo file and the second picture.
10. The method according to any one of claims 1-8, further comprising:
and sending the pseudo file and the second picture to a memory for storage.
11. A picture processing method, comprising:
responding to request information for acquiring a first picture file, acquiring a pseudo file, wherein the request information comprises the file name and the format of the first picture file, and the file name and the format of the pseudo file are the same as those of the first picture file;
acquiring a second picture file according to the pseudo file, wherein the pseudo file and the second picture file have a corresponding relationship;
and decoding the second picture file into the first picture file, wherein the formats of the first picture file and the second picture file are different, and the storage space required by the second picture file is smaller than the storage space required by the first picture file.
12. The method according to claim 11, wherein: the pseudo file and the second picture file are two independent files;
the correspondence between the pseudo file and the second picture file includes: the dummy file includes a file name and a storage path of the second picture file.
13. The method of claim 11, wherein the step of determining the position of the probe is performed,
the correspondence between the pseudo file and the second picture file includes: the dummy file contains the second picture file;
the pseudo file comprises a storage path of the second picture file.
14. A computer device, comprising:
the encoding module is used for encoding the first picture file into a second picture file, the format of the first picture file is different from that of the second picture file, and the storage space required by the second picture file is smaller than that required by the first picture file;
the generation module is used for generating a pseudo file according to the first picture file and the second picture file, the format and the file name of the pseudo file are the same as those of the first picture file, the pseudo file and the second picture file have a corresponding relation, and the pseudo file and the second picture file are used for being stored in a memory.
15. The apparatus of claim 14, wherein the apparatus further comprises:
the acquisition module is used for responding to the request information for acquiring the first picture file and acquiring the pseudo file;
the obtaining module is further configured to obtain the second picture file based on the pseudo file;
and the decoding module is used for decoding the second picture file into the first picture file.
16. The apparatus according to claim 14 or 15, characterized in that said coding module is specifically configured to:
and lossless encoding the first picture file into the second picture file.
17. The apparatus according to any one of claims 14-16, wherein: the pseudo file and the second picture file are two independent files;
the correspondence between the pseudo file and the second picture file includes: the dummy file includes a file name and a storage path of the second picture file.
18. The apparatus according to any one of claims 14 to 16, wherein,
the correspondence between the pseudo file and the second picture file includes: the dummy file contains the second picture file;
the pseudo file comprises a storage path of the second picture file.
19. A computer device, comprising:
the acquisition module is used for responding to the request information for acquiring the first picture file and acquiring a pseudo file, wherein the request information comprises the file name and the format of the first picture file, and the file name and the format of the pseudo file are the same as those of the first picture file;
the acquisition module is further used for acquiring a second picture file according to the pseudo file, wherein the pseudo file and the second picture file have a corresponding relationship;
the decoding module is used for decoding the second picture file into the first picture file, the formats of the first picture file and the second picture file are different, and the storage space required by the second picture file is smaller than the storage space required by the first picture file.
20. The apparatus according to claim 19, wherein: the pseudo file and the second picture file are two independent files;
the correspondence between the pseudo file and the second picture file includes: the dummy file includes a file name and a storage path of the second picture file.
21. The apparatus of claim 19, wherein the device comprises a plurality of sensors,
The correspondence between the pseudo file and the second picture file includes: the dummy file contains the second picture file;
the pseudo file comprises a storage path of the second picture file.
22. A computer device comprising a processor and a memory, the processor being coupled to the memory, characterized in that,
the memory is used for storing programs;
the processor for executing the program in the memory, causing the computer device to perform the method of any one of claims 1-10 or 11-13.
23. A computer readable storage medium comprising a program which, when run on a computer, causes the computer to perform the method of any of claims 1-10 or 11-13.
24. A computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of any of claims 1-10 or 11-13.
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| CN202210264533.5A CN116800877A (en) | 2022-03-17 | 2022-03-17 | Picture processing method and related equipment |
| PCT/CN2023/078321 WO2023174040A1 (en) | 2022-03-17 | 2023-02-27 | Picture processing method and related device |
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| CN202210264533.5A CN116800877A (en) | 2022-03-17 | 2022-03-17 | Picture processing method and related equipment |
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| CN104683677B (en) * | 2013-11-26 | 2019-06-18 | 深圳富泰宏精密工业有限公司 | Increase the system and method for voice description for photo |
| CN107066609A (en) * | 2017-04-27 | 2017-08-18 | 北京京东尚科信息技术有限公司 | Image display method and device |
| CN108563646A (en) * | 2017-08-23 | 2018-09-21 | 合肥龙图腾信息技术有限公司 | A kind of file independent compression processing method and system |
| CN111009017B (en) * | 2019-10-18 | 2021-08-17 | 珠海格力电器股份有限公司 | Picture compression method and device, storage medium and computer equipment |
| CN113538208A (en) * | 2020-04-20 | 2021-10-22 | 华为技术有限公司 | Picture loading method and related device |
| CN112084747B (en) * | 2020-09-17 | 2024-02-02 | 瑞庭网络技术（上海）有限公司 | Resource management method and device, electronic equipment and storage medium |
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