CN111831751A - Panoramic data key processing method and system based on block chain - Google Patents
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Abstract
The invention provides a block chain-based panoramic data key processing method and a block chain-based panoramic data key processing system, which relate to the technical field of block chains and comprise the following steps: obtaining a panoramic image and all image groups forming the panoramic image; finding a target image group corresponding to a partial image displayed by the panoramic image in a display window in all image groups forming the panoramic image; performing key content description on the target image group to generate a first feature; generating a co-recognition offer comprising a set of target images and a first feature; broadcasting a consensus offer into the blockchain network, wherein the consensus offer is used for writing into the blockchain after being verified by the blockchain network and for tracing back the corresponding panoramic image. The block chain-based panoramic data key processing method and system provided by the invention can ensure the requirement of a block chain network on the authenticity of panoramic image data and also protect the development authority control of a data owner on the data.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to a panoramic data key processing method and a panoramic data key processing system based on a block chain.
Background
The nature of the blockchain is a decentralized database. Each node holds complete data and once the information is validated and added to the blockchain, it is permanently stored, and unless more than 51% of the nodes in the system can be controlled simultaneously, the modification to the database at a single node is invalid, so the stability and reliability of the data in the blockchain are extremely high.
The panoramic image is a recording mode for recording images of visual objects with all angles in a scene, and is more comprehensive and complete than the traditional pictures, so that the recorded information has the characteristics of difficult tampering and high trueness, and the panoramic image has certain use value. The owner of the panoramic image can control the data opening authority to provide the data of the panoramic picture to others in a paid mode, but the authority control of the panoramic picture is difficult in the prior art.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the defects of the prior art, and thus, a method and a system for processing a panoramic data key based on a block chain are provided, so as to ensure the requirement of a block chain network on the authenticity of panoramic image data and protect the development authority control of a data owner on the data.
In order to achieve the above object, the present invention provides a method for processing a panorama data key based on a block chain, including:
obtaining a panoramic image and all image groups forming the panoramic image;
finding a target image group corresponding to a partial image displayed by the panoramic image in a display window in all image groups forming the panoramic image;
performing key content description on the target image group to generate a first feature;
generating a co-recognition offer comprising a set of target images and a first feature;
broadcasting the consensus offer into a blockchain network, wherein the consensus offer is used for writing into a blockchain after being verified by the blockchain network and for tracing back the corresponding panoramic image.
Further, the target image group is one or several pictures showing scene objects.
Further, the co-recognition offer further includes a hash value obtained by hashing the content obtained after the target image group hash value is added to the first characteristic hash value.
Further, the verification of the consensus invitation identifies the content of the target group of pictures by way of machine learning or human intervention, and determines whether the content matches the first characteristic in the consensus invitation.
Further, the panoramic image includes a panoramic camera captured by a user.
Furthermore, the panoramic shooting device comprises at least three lens groups, the sum of the visual angles of all the lens groups meets the requirement of covering a visible space around the panoramic shooting device, the pictures imaged by the adjacent lens groups have an overlapping area, and all the lens groups image at the same time respectively.
The invention also provides a block chain-based panoramic data key processing system, which comprises a camera shooting unit, a display unit, an acquisition unit, a generation unit, a broadcast unit, a receiving unit and a verification unit;
the camera shooting unit is used for shooting images, acquiring all image groups, forming a panoramic image by all the image groups, sending all the image groups to the acquisition unit and sending the panoramic image to the display unit;
the display unit is used for receiving the panoramic image sent by the camera unit, displaying a partial image of the panoramic image on a display window and sending the partial image of the panoramic image to the acquisition unit;
the acquisition unit is used for receiving all image groups which are sent by the camera shooting unit and form the panoramic image, receiving partial images of the panoramic image which are sent by the display unit and displayed in the display window, and finding a target image group corresponding to the partial images displayed in the display window in all the image groups which form the panoramic image;
the generating unit is used for performing key content description on the target image group to generate a first characteristic, and generating a consensus invitation by the target image group and the first characteristic;
a broadcast unit configured to broadcast the consensus invitation to a blockchain network, wherein the consensus invitation is to be written into a block of a blockchain after a consensus verification is completed over the blockchain network;
a receiving unit, configured to receive a co-recognition offer broadcasted in a blockchain network, where the receiving unit may correspond to a communication interface of a blockchain network node;
a verification unit, configured to perform consensus verification on the received consensus invitation, and write the block into a block of a block chain after passing the consensus verification.
The block chain-based panoramic data key processing method and system provided by the invention ensure that the content of the target image group in the consensus invitation recorded in the block chain network conforms to the first feature description content through the consensus invitation mechanism. The data of the panoramic image on the block chain is more real, and the requirement of the block chain network on the authenticity of the panoramic image data is ensured.
In addition, because the consensus invitation in the block is not complete panoramic data, only a target image group exists in the consensus invitation, and when a node in the blockchain network needs complete panoramic data, the node needs to go back to the publisher of the consensus invitation through the blockchain network, that is, the owner of the panoramic image and all the image groups, apply for the viewing permission of the panoramic data to the publisher, and negotiate to obtain the panoramic image or all the image groups. The development authority control of the panoramic image data owner on the data is protected.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following further describes the invention in detail according to the embodiments of the present invention with reference to the accompanying drawings.
FIG. 1 is a schematic flow chart of a key processing method according to this embodiment;
fig. 2 is a schematic diagram of the format of the common offer in the present embodiment.
The reference numerals in the drawings are explained below.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "front", "upper", "lower", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, this embodiment provides a method for processing a panorama data key based on a block chain, including:
s100, acquiring a panoramic image and all image groups forming the panoramic image;
s200, finding a target image group corresponding to a partial image displayed on a display window of the panoramic image in all image groups forming the panoramic image;
s300, performing key content description on the target image group to generate a first feature;
s400, generating a co-recognition offer comprising the target image group and the first characteristic;
and S500, broadcasting the consensus invitation to a blockchain network, wherein the consensus invitation is written into the blockchain after being verified by the blockchain network and is used for tracing back the corresponding panoramic image.
In S100, a panoramic image and all image groups constituting the panoramic image are obtained. The panoramic image is a carrier which can display visible objects in all directions in a fixed scene by taking an imaging device as a center. The viewer can rotate 360 degrees in the horizontal direction and can rotate 360 degrees in the vertical direction. All image groups constituting a panoramic image are a set of a plurality of image groups, each image is a two-dimensional planar image, a two-dimensional planar picture is taken in each direction with a photographing apparatus as a center, and adjacent pictures have overlapping regions, and the panoramic image is constituted by stitching the image groups in the respective overlapping regions. The panoramic image and all the image groups constituting the panoramic image are different concepts.
In S200, a target image group corresponding to a partial image displayed on the display window of the panoramic image is found among all the image groups constituting the panoramic image, the target image group being one or several images displaying the scene object. The display window is a two-dimensional plane, and the panoramic image is a three-dimensional simulated three-dimensional image, so that only part of the image can be displayed without adjusting the display window. The partial image of the panoramic image is displayed on the display window, that is, the partial image is displayed after being rotated by an arbitrary angle in the horizontal direction, or by an arbitrary angle in the vertical direction, or by an arbitrary angle in the horizontal direction and the vertical direction.
One way to find the target image group in all image groups is specifically:
each picture of all image groups constituting the panoramic image is numbered. The numbering method is that one shooting direction is selected as an original direction, the original direction is determined according to the angle of rotation of a partial image of a panoramic image displayed on a display window in the horizontal direction and the vertical direction on the basis of the original direction, and the number of a single picture corresponding to the partial image or the number set of a plurality of pictures corresponding to the partial image is calculated, so that a target image group corresponding to the number or the set can be obtained.
In S300, a key content description is performed on the target image group to generate a first feature. The first feature is description of key contents of the target image group, and the key contents can be texts capable of highlighting the target object, such as object common names, property introduction, shape description and the like.
In S400, a co-recognition offer is generated that includes the set of target images and the first feature. The consensus invitation also comprises a hash value obtained by hashing the content obtained after the target image group hash value is added with the first characteristic hash value.
In S500, a consensus offer is broadcast into the blockchain network, wherein the consensus offer is used for writing into the blockchain after being verified by the blockchain network and for tracing back the corresponding panoramic image. The method for carrying out consensus verification on the consensus invitation comprises the steps of identifying the content of the target image group in a machine learning or manual intervention mode, and judging whether the content accords with the first feature description in the consensus invitation. If the content of the target group of images matches the first profile, i.e. the network node of the blockchain network considers that the corresponding co-recognition offer is verified, a block is generated, which is lent to the end of the blockchain as the block corresponding to the newly generated child node. The consensus offer is broadcast to the blockchain network, and thus, because the consensus offer is broadcast into the blockchain network, unspecified network nodes in the blockchain network may receive the consensus offer.
By means of the consensus invitation mechanism, it is ensured that the content of the set of target images within the consensus invitation recorded in the blockchain network coincides with the first feature description content. The data of the panoramic image on the block chain is more real, and the requirement of the block chain network on the authenticity of the panoramic image data is ensured.
In addition, because the consensus invitation in the block is not complete panoramic data, only a target image group exists in the consensus invitation, and when a node in the blockchain network needs complete panoramic data, the node needs to go back to the publisher of the consensus invitation through the blockchain network, that is, the owner of the panoramic image and all the image groups, apply for the viewing permission of the panoramic data to the publisher, and negotiate to obtain the panoramic image or all the image groups. The development authority control of the panoramic image data owner on the data is protected.
In the present embodiment, all image groups constituting a panoramic image are first acquired, including: and the user acquires all image groups after taking a picture by using the panoramic camera device, and acquires a panoramic image by stitching all the image groups.
The panoramic shooting device comprises at least three lens groups, the sum of the visual angles of all the lens groups meets the requirement of covering a visible space around the panoramic shooting device, the pictures imaged by the adjacent lens groups have an overlapping area, and all the lens groups image at the same time. And the panoramic image is formed by stitching the image groups imaged by all the lens groups in the respective overlapping areas. That is, the panoramic image is a set of a plurality of image groups.
The panoramic image is formed by stitching all image groups, the target image group corresponding to the partial image is a subset of all the image groups, and the overlapping area of all the image groups has uniqueness in time and space, so that the target image group and all the image groups are uniquely corresponding, and whether the target image group belongs to the plurality of all the image groups or belongs to a certain all the image groups can be judged in the data of the plurality of all the image groups.
The present embodiment further provides a system for processing a panoramic data key based on a block chain, including: the device comprises an image pickup unit, a display unit, an acquisition unit, a generation unit, a broadcast unit, a receiving unit and a verification unit.
And the camera shooting unit is used for shooting images, acquiring all the image groups, forming a panoramic image from all the image groups, sending all the image groups to the acquisition unit and sending the panoramic image to the display unit.
Specifically, a user takes a panorama using an image pickup unit having a plurality of lens groups, and this process generates all image groups imaged by the plurality of lens groups and composes all the image groups into a panorama image.
And the display unit is used for receiving the panoramic image sent by the camera unit, displaying the partial image of the panoramic image on the display window and sending the partial image of the panoramic image to the acquisition unit.
And the acquisition unit is used for receiving all image groups which are sent by the image pickup unit and form the panoramic image, receiving the partial image of the panoramic image which is sent by the display unit and displayed in the display window, and finding a target image group corresponding to the partial image displayed in the display window in all the image groups which form the panoramic image.
The generating unit is used for performing key content description on the target image group to generate a first characteristic, and generating a consensus invitation by the target image group and the first characteristic;
the generation unit generates the consensus invitation by:
1. calculating and acquiring a hash value of the target image group;
2. calculating and acquiring a hash value of the first characteristic;
3. and calculating the hash value obtained by performing hash calculation on the content obtained after the hash of the target image group is added with the first characteristic hash value.
The first feature is key content description of a target image group, namely, a group of images corresponding to a partial image displayed in a display window, by a panoramic data owner, and one achievable way is: text is used to describe the key content of the target image group.
A broadcast unit configured to broadcast a consensus invitation to a blockchain network, wherein the consensus invitation is written to a block of the blockchain after a consensus verification is completed over the blockchain network.
The broadcast unit, which may correspond to a communication interface of a blockchain network node, may send the consensus offer to the blockchain network in a broadcast manner.
A receiving unit configured to receive a co-recognition offer broadcasted in a blockchain network. The receiving unit may correspond to a communication interface of a blockchain network node.
And the verification unit is used for performing consensus verification on the received consensus invitation and writing the consensus verification into the blocks of the block chain after the consensus verification is passed.
The verification unit may identify the content of the group of pictures corresponding to the processor or the processing program, machine learning or human intervention, and perform verification if the content matches the first feature description in the co-recognition offer. When a network node of the blockchain network considers that the corresponding consensus offer is verified, a block is generated, and the block is lent to the end of the blockchain as a block corresponding to the newly generated child node.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (7)
1. A panoramic data key processing method based on a block chain is characterized by comprising the following steps:
obtaining a panoramic image and all image groups forming the panoramic image;
finding a target image group corresponding to a partial image displayed by the panoramic image in a display window in all image groups forming the panoramic image;
performing key content description on the target image group to generate a first feature;
generating a co-recognition offer comprising a set of target images and a first feature;
broadcasting the consensus offer into a blockchain network, wherein the consensus offer is used for writing into a blockchain after being verified by the blockchain network and for tracing back the corresponding panoramic image.
2. The method as claimed in claim 1, wherein the target image group is one or more pictures showing scene objects.
3. The blockchain-based panorama data key processing method of claim 1, wherein the co-recognition offer further includes a hash value obtained by hashing a content obtained by adding a first characteristic hash value to a target image group hash value.
4. The blockchain-based panorama data key processing method of claim 1, wherein the verification of the co-recognition offer identifies the content of the target group of pictures by machine learning or human intervention, and determines whether to conform to a first feature in the co-recognition offer.
5. The method for processing the key of the panoramic data based on the block chain as claimed in claim 1, wherein the panoramic image is obtained by shooting with a panoramic camera by a user.
6. The method as claimed in claim 5, wherein the panoramic image capturing device comprises at least three lens groups, and the sum of the angles of view of all lens groups covers the visible space around the panoramic image capturing device, and there is an overlapping area in the pictures imaged by the adjacent lens groups, and all lens groups are imaged at the same time.
7. A panoramic data key processing system based on a block chain is characterized by comprising a camera shooting unit, a display unit, an acquisition unit, a generation unit, a broadcast unit, a receiving unit and a verification unit;
the camera shooting unit is used for shooting images, acquiring all image groups, forming a panoramic image by all the image groups, sending all the image groups to the acquisition unit and sending the panoramic image to the display unit;
the display unit is used for receiving the panoramic image sent by the camera unit, displaying a partial image of the panoramic image on a display window and sending the partial image of the panoramic image to the acquisition unit;
the acquisition unit is used for receiving all image groups which are sent by the camera shooting unit and form the panoramic image, receiving partial images of the panoramic image which are sent by the display unit and displayed in the display window, and finding a target image group corresponding to the partial images displayed in the display window in all the image groups which form the panoramic image;
the generating unit is used for performing key content description on the target image group to generate a first characteristic, and generating a consensus invitation by the target image group and the first characteristic;
a broadcast unit configured to broadcast the consensus invitation to a blockchain network, wherein the consensus invitation is to be written into a block of a blockchain after a consensus verification is completed over the blockchain network;
a receiving unit, configured to receive a co-recognition offer broadcasted in a blockchain network, where the receiving unit may correspond to a communication interface of a blockchain network node;
a verification unit, configured to perform consensus verification on the received consensus invitation, and write the block into a block of a block chain after passing the consensus verification.
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