CN112383748A - Video information storage method and device - Google Patents
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- CN112383748A CN112383748A CN202011203565.1A CN202011203565A CN112383748A CN 112383748 A CN112383748 A CN 112383748A CN 202011203565 A CN202011203565 A CN 202011203565A CN 112383748 A CN112383748 A CN 112383748A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/20—Network architectures or network communication protocols for network security for managing network security; network security policies in general
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention discloses a video information storage method and a device, wherein the method comprises the following steps: acquiring video information; acquiring feature information of a shooting object in the video information, wherein one shooting object is in the video information; and storing the video information and the feature information into a personal block corresponding to the shooting object, and broadcasting the personal block to a block chain network, wherein different personal blocks in the block chain network correspond to the shooting objects in different video information. The method and the device can avoid waste of a large number of storage resources caused by the fact that the video information is stored locally, prevent the video information from being lost, effectively prevent the video information from being tampered, ensure the safety of video related information, avoid unnecessary loss to departments and shooting objects, and most importantly, can realize that each node in the block chain network can safely share the video information and the characteristic information of a certain specific shooting object.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to a video information storage method and device.
Background
At present, because the quantity of monitoring video information is huge, a large quantity of storage resources are consumed, and potential safety hazards are easily caused because of the possibility of being tampered. Therefore, how to safely and efficiently store video information becomes a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
Therefore, the invention provides a video information storage method and a video information storage device, which aim to solve the problems that video information is easy to be tampered and is difficult to store due to the lack of a safe and efficient storage method in the prior art.
In order to achieve the above object, a first aspect of the present invention provides a video information storage method, including:
acquiring video information;
acquiring feature information of a shooting object in the video information, wherein one shooting object is in the video information;
and storing the video information and the feature information into a personal block corresponding to the shooting object, and broadcasting the personal block to a block chain network, wherein different personal blocks in the block chain network correspond to the shooting objects in different video information.
In some embodiments, the storing the video information and the feature information into the personal zone corresponding to the photographic subject includes:
generating a hash value according to the video information and the characteristic information;
and storing the hash value into a block header field of a personal block corresponding to the shooting object, and storing the video information and the characteristic information into a data field of the personal block corresponding to the shooting object.
In some embodiments, after storing the video information and the feature information in the personal zone corresponding to the photographic subject, the method further includes:
and establishing a corresponding relation between the identity information of the shot object and the hash value.
In some embodiments, the feature information includes behavior information, and the obtaining feature information of a photographic subject in the video information includes:
acquiring first audio information in the video information, and acquiring a group of pictures (GOP) according to the video information;
and acquiring behavior information of a shooting object in the video information according to the GOP and the first audio information.
In some embodiments, the obtaining behavior information of the photographic subject in the video information according to the GOP and the first audio information includes:
acquiring expression and movement information of the shot object according to the difference frame P frame in the GOP;
and acquiring second audio information matched with the expression and movement information in the first audio information, wherein the second audio information is audio information corresponding to the expression and movement information at the same time.
In some embodiments, the feature information further includes behavior habit information, and after the acquiring of the second audio information in the first audio information, the method further includes:
and acquiring the behavior habit information of the shot object according to the expression and movement information and the second audio information.
In order to achieve the above object, a second aspect of the present invention provides a video information storage apparatus comprising:
the acquisition module is used for acquiring video information; the characteristic information of the shooting objects in the video information is acquired, and one shooting object in the video information is acquired;
the storage module is used for storing the video information and the characteristic information into a personal block corresponding to the shooting object, and different personal blocks in the block chain network correspond to the shooting objects in different video information;
a broadcast module for broadcasting the personal tile to a tile chain network.
In some embodiments, the storage module is configured to generate a hash value according to the video information and the feature information; and storing the hash value into a block header field of a personal block corresponding to the shooting object, and storing the video information and the characteristic information into a data field of the personal block corresponding to the shooting object.
In some embodiments, the apparatus further includes an establishing module, configured to establish a correspondence between the identity information of the photographic subject and the hash value.
In some embodiments, the feature information includes behavior information, and the obtaining module is configured to obtain first audio information in the video information and obtain a group of pictures (GOP) according to the video information; and acquiring behavior information of a shooting object in the video information according to the GOP and the first audio information.
The invention has the following advantages:
the video information storage method provided by the embodiment of the invention acquires video information, acquires the characteristic information of a shot object in the video information, stores the video information and the characteristic information into a personal block corresponding to the shot object, broadcasts the personal block to a block chain network, and different personal blocks in the block chain network correspond to different shot objects in the video information. The method can establish different personal blocks aiming at different shot objects, and store the video information and the characteristic information of the shot objects by utilizing the block chain network, thereby not only avoiding the waste of a large amount of storage resources caused by the fact that the video information is stored locally and preventing the video information from being lost, but also effectively preventing the video information from being tampered, ensuring the safety of video related information, avoiding unnecessary loss to each department and each shot object, and most importantly, realizing that each node in the block chain network can safely share the video information and the characteristic information of a certain specific shot object.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a first schematic flowchart of a video information storage method according to embodiment 1 of the present invention;
fig. 2 is a first flowchart illustrating a process of storing video information and feature information into a personal zone corresponding to a photographic subject according to embodiment 2 of the present invention;
fig. 3 is a second schematic flowchart of a process of storing video information and feature information into a personal zone corresponding to a shot object according to embodiment 3 of the present invention;
fig. 4 is a second flowchart illustrating a video information storage method according to embodiment 4 of the present invention;
fig. 5 is a schematic flowchart of acquiring feature information of a photographic object in video information according to embodiment 5 of the present invention;
fig. 6 is a schematic flowchart of acquiring behavior information of a photographic subject in video information according to embodiment 6 of the present invention;
fig. 7 is a schematic flowchart of a process of acquiring behavior habit information of a photographic subject in video information according to embodiment 7 of the present invention;
fig. 8 is a first schematic structural diagram of a video information storage apparatus according to embodiment 8 of the present invention;
fig. 9 is a schematic structural diagram of a video information storage apparatus according to embodiment 9 of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1, an embodiment of the present invention provides a video information storage method, which is applied to a video information storage apparatus, and the method may include the following steps:
step 1, video information is obtained.
The video information may include video recordings.
In the embodiment of the present invention, the video information storage device may be disposed at a security system node of a department such as a company enterprise or a public institution, a monitoring system node of a home or a public place, a public security system node, and other nodes.
For example, when the video information storage device is disposed in a node of a public security system, a public security system person may obtain video information of a party through the video information storage device when asking the party.
And 2, acquiring the characteristic information of the shooting objects in the video information, wherein one shooting object is in the video information.
It should be noted that, in order to facilitate storage of video information corresponding to a photographic subject, only one photographic subject may be included in the acquired video information.
After acquiring the video information, the video information storage device may further acquire feature information of the photographic subject according to the video information.
And 3, storing the video information and the characteristic information into a personal block corresponding to the shot object, and broadcasting the personal block to a block chain network, wherein different personal blocks in the block chain network correspond to the shot object in different video information.
After obtaining the feature information of the photographic subject, the video information storage device may store the video information and the feature information together in a personal block corresponding to the photographic subject, and link the personal block. The video information storage device can respectively establish different personal blocks for different shooting correspondences, so that the video information can be conveniently stored and inquired.
As can be seen from steps 1 to 3, the video information storage method according to the embodiment of the present invention obtains video information, obtains feature information of a shot object in the video information, where there is one shot object in the video information, stores the video information and the feature information in a personal block corresponding to the shot object, and broadcasts the personal block to a block chain network, where different personal blocks in the block chain network correspond to different shot objects in the video information. The method can establish different personal blocks aiming at different shot objects, and store the video information and the characteristic information of the shot objects by utilizing the block chain network, thereby not only avoiding the waste of a large amount of storage resources caused by the fact that the video information is stored locally and preventing the video information from being lost, but also effectively preventing the video information from being tampered, ensuring the safety of video related information, avoiding unnecessary loss to each department and each shot object, and most importantly, realizing that each node in the block chain network can safely share the video information and the characteristic information of a certain specific shot object.
When the video information and the feature information are stored in the individual block corresponding to the subject, the video information storage device may also store the time and the place of acquiring the video information in the individual block so as to map and store the video information and the time and the place of acquiring the video information together.
In some embodiments, as shown in fig. 2, the storing the video information and the feature information into the personal zone corresponding to the shooting object (i.e. step 3) may include the following steps:
and step 31, generating a hash value according to the video information and the characteristic information.
After the characteristic information is acquired, the video information storage device may generate the video information and a hash value corresponding to the characteristic information through a hash algorithm. The hash value calculated based on the video information and the characteristic information is unique, the hash value can directly reflect the content of the video information and the characteristic information, even if only 1-bit content in the video information and the characteristic information is modified, the hash values corresponding to the modified video information and the modified characteristic information are completely different.
And step 32, storing the hash value into a block header field of the personal block corresponding to the shooting object, and storing the video information and the characteristic information into a data field of the personal block corresponding to the shooting object.
After generating the hash values corresponding to the video information and the feature information, the video information storage device may store the video information, the feature information, and the hash values in the individual blocks corresponding to the photographic subject, specifically, may store the hash values in the block header fields of the individual blocks, and may store the video information and the feature information in the data fields of the individual blocks. The personal block corresponding to each shooting object comprises two parts of contents, wherein one part is a hash value corresponding to the video information and the characteristic information, and the other part is the video information and the characteristic information.
In some embodiments, as shown in fig. 3, after storing the video information and the feature information into the personal zone corresponding to the shooting object (i.e. step 32), the following steps may be further included:
and step 33, establishing a corresponding relation between the identity information of the shooting object and the hash value.
The identity information may include any information capable of representing the identity of the shooting object, such as an identification number, a name, a passport number, and the like.
The video information storage device can establish the corresponding relation between the identity information and the hash value of the shot object, and when the video information and the characteristic information need to be inquired, the inquiry can be carried out according to the corresponding relation. Moreover, since the hash value corresponding to the video information and the feature information of the object to be captured is stored, and the hash value calculated based on the video information and the feature information is unique, it is possible to determine whether the video information and the feature information obtained by the query have been falsified based on the hash value.
In some embodiments, as shown in fig. 4, after broadcasting the personal tile to the blockchain network (i.e. step 3), the following steps may be further included:
and 4, receiving the video information query request, and querying the corresponding relation between the locally stored identity information and the hash value according to the identity information to obtain the hash value corresponding to the identity information.
When a video information query request is received, the video information storage device can compare the locally stored identity information with the corresponding relation between the hash values according to the identity information carried in the video information query request, and then the hash values corresponding to the identity information carried in the video information query request can be obtained.
And 5, acquiring video information and behavior information corresponding to the identity information from the block chain network according to the hash value.
The video information storage device can request the blockchain network to acquire the video information and the behavior information corresponding to the identity information according to the hash value, and the accounting node in the blockchain network can determine the block identifier (or the block address) corresponding to the hash value according to the distributed hash table storing the corresponding relation between the hash value and the block identifier (or the block address), so that the personal block storing the video information and the feature information corresponding to the hash value is determined, and the video information and the feature information are returned to the video information storage device.
It should be noted that, if the data size of the video information and the feature information is too large, after the video information storage device broadcasts the personal tile to the tile chain network (i.e. step 3), the tile chain network may further divide the personal tile into a plurality of sub-tiles. When the video information storage apparatus acquires the video information and the feature information to the blockchain network, the plurality of blocks may be acquired simultaneously by a plurality of servers.
In some embodiments, the characteristic information includes behavior information; as shown in fig. 5, the acquiring of the characteristic information of the shooting object in the video information (i.e. step 2) may include the following steps:
and step 21, acquiring first audio information in the video information, and acquiring a group of pictures (GOP) according to the video information.
The original image data in the digital media video is encoded by adopting an H.264 compression format, an encoder encodes a plurality of images to produce a plurality of sections of picture Groups (GOP), the GOP is a Group of continuous Pictures and consists of an I frame and a plurality of B/P frames, and the GOP is a basic unit accessed by a video image encoder and a decoder, and the arrangement sequence of the GOP is repeated until the end of the image.
When the GOP is obtained, the natural sequence images generated by compressing the video pictures are grouped, a first key frame I frame is used as a starting frame of a first group, and a B/P frame before a second key frame I is used as an ending frame of the first group. By analogy, multiple GOPs may be acquired.
And step 22, acquiring behavior information of the shooting object in the video information according to the GOP and the first audio information.
The behavior information may include expression and movement information, audio information, and the like.
The video information storage device may acquire behavior information such as expression and movement information and audio information of the photographic subject from the GOP and the first audio information.
In some embodiments, as shown in fig. 6, the obtaining behavior information of the photographic subject in the video information according to the GOP and the first audio information (i.e. step 22) may include the following steps:
and step 221, acquiring expression and movement information of the shot object according to the difference frame P frame in the GOP.
The expression and movement information may include any information describing states of an expression, an action, a mouth shape, and the like of the photographic subject.
It should be noted that the feature information may further include face recognition information of the photographic subject, and the video information storage device may further obtain the face recognition information of the photographic subject according to the key frame I frame.
Step 222, obtaining second audio information matched with the expression and movement information in the first audio information, wherein the second audio information is audio information corresponding to the expression and movement information at the same time.
The audio information may include sound text, sound, and the like.
Since the first audio information may include a plurality of second audio information, and different sound-producing objects have different second audio information, the video information storage device may compare the expression and movement information and the second audio information corresponding to the same time, and if the expression and movement information and the second audio information corresponding to the same time match (for example, the mouth shape matches the sound), the video information storage device may determine the second audio information as the audio information of the shooting object.
In some embodiments, the characteristic information further includes behavioral habit information; as shown in fig. 7, after the second audio information matching the emoji information in the first audio information is obtained (i.e. step 222), the method may further include the following steps:
and 223, acquiring behavior habit information of the shooting object according to the expression and movement information and the second audio information.
The video information storage device can count the expression and movement information and the second audio information, and if the frequency of the appearance of certain expression and movement information or the second audio information exceeds a preset threshold, the expression and movement information or the second audio information can be determined as the behavior habit information of the shooting object.
Based on the same technical concept, an embodiment of the present invention further provides a video information storage apparatus, as shown in fig. 8, which may include:
an obtaining module 101, configured to obtain video information; and the characteristic information is used for acquiring the characteristic information of the shooting objects in the video information, wherein one shooting object is in the video information.
The storage module 102 is configured to store the video information and the feature information into a personal block corresponding to a photographic subject, where different personal blocks in the block chain network correspond to photographic subjects in different video information.
A broadcasting module 103, configured to broadcast the personal tile to the tile chain network.
In some embodiments, the storage module 102 is specifically configured to:
generating a hash value according to the video information and the characteristic information;
and storing the hash value into a block header field of the personal block corresponding to the shooting object, and storing the video information and the characteristic information into a data field of the personal block corresponding to the shooting object.
In some embodiments, as shown in fig. 9, the video information storage apparatus further comprises a setup module 104; the establishing module 104 is configured to establish a corresponding relationship between the identity information of the photographic subject and the hash value.
In some embodiments, the feature information includes behavior information, and the obtaining module 101 is specifically configured to:
acquiring first audio information in the video information, and acquiring a group of pictures (GOP) according to the video information;
and acquiring behavior information of the shooting object in the video information according to the GOP and the first audio information.
In some embodiments, the obtaining module 101 is further specifically configured to:
acquiring expression and movement information of a shot object according to a difference frame P frame in the GOP;
and acquiring second audio information matched with the expression and movement information in the first audio information, wherein the second audio information is audio information corresponding to the expression and movement information at the same time.
In some embodiments, the obtaining module 101 is further specifically configured to:
and acquiring behavior habit information of the shot object according to the expression and kinetic information and the second audio information.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A method for storing video information, comprising:
acquiring video information;
acquiring feature information of a shooting object in the video information, wherein one shooting object is in the video information;
and storing the video information and the feature information into a personal block corresponding to the shooting object, and broadcasting the personal block to a block chain network, wherein different personal blocks in the block chain network correspond to the shooting objects in different video information.
2. The method of claim 1, wherein the storing the video information and the feature information into a personal zone corresponding to the photographic subject comprises:
generating a hash value according to the video information and the characteristic information;
and storing the hash value into a block header field of a personal block corresponding to the shooting object, and storing the video information and the characteristic information into a data field of the personal block corresponding to the shooting object.
3. The method according to claim 2, wherein after storing the video information and the feature information in the personal zone corresponding to the photographic subject, further comprising:
and establishing a corresponding relation between the identity information of the shot object and the hash value.
4. The method according to claim 1, wherein the feature information includes behavior information, and the obtaining feature information of a photographic subject in the video information includes:
acquiring first audio information in the video information, and acquiring a group of pictures (GOP) according to the video information;
and acquiring behavior information of a shooting object in the video information according to the GOP and the first audio information.
5. The method according to claim 4, wherein the obtaining behavior information of the photographic subject in the video information according to the GOP and the first audio information comprises:
acquiring expression and movement information of the shot object according to the difference frame P frame in the GOP;
and acquiring second audio information matched with the expression and movement information in the first audio information, wherein the second audio information is audio information corresponding to the expression and movement information at the same time.
6. The method according to claim 5, wherein the feature information further includes behavior habit information, and after acquiring second audio information, which is matched with the expressive movement information, in the first audio information, the method further includes:
and acquiring the behavior habit information of the shot object according to the expression and movement information and the second audio information.
7. A video information storage apparatus, comprising:
the acquisition module is used for acquiring video information; the characteristic information of the shooting objects in the video information is acquired, and one shooting object in the video information is acquired;
the storage module is used for storing the video information and the characteristic information into a personal block corresponding to the shooting object, and different personal blocks in the block chain network correspond to the shooting objects in different video information;
a broadcast module for broadcasting the personal tile to a tile chain network.
8. The apparatus of claim 7, wherein the storage module is configured to generate a hash value according to the video information and the feature information; and storing the hash value into a block header field of a personal block corresponding to the shooting object, and storing the video information and the characteristic information into a data field of the personal block corresponding to the shooting object.
9. The apparatus according to claim 8, further comprising an establishing module, configured to establish a correspondence between the identity information of the photographic subject and the hash value.
10. The apparatus according to claim 9, wherein the feature information includes behavior information, and the obtaining module is configured to obtain first audio information in the video information and obtain a group of pictures (GOP) according to the video information; and acquiring behavior information of a shooting object in the video information according to the GOP and the first audio information.
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