Data processing method and device based on block chain, equipment and storage medium
A data processing and blockchain technology, applied in data processing applications, special data processing applications, structured data retrieval, etc., can solve problems such as tampering, difficulty in ensuring data accuracy and credibility, and low efficiency. Achieve the effect of preventing tampering, improving accuracy and credibility, and improving efficiency
Pending Publication Date: 2020-11-24
ONE CONNECT SMART TECH CO LTD SHENZHEN
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It can be seen that the existing methods of obtaining structured data from data-associated images are inefficient and have the risk of being tampered with, making it difficult to guarantee the accuracy and credibility of the data
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[0028] A blockchain-based data processing method proposed in the embodiment of this application can be applied to various scenarios that need to extract and store structured data from data-associated images. Taking the field of bills as an example, the data-associated data described in this application The image may be a receipt image, for example, an image obtained by photographing a receipt or printing a receipt. The structured data corresponding to the data-associated image may be, for example, bill code, billing amount, bill issuing company information, and the like. In order to better understand the embodiments of the present application, if there is no special limitation, the subsequent content will be described by taking the application in the field of notes as an example.
[0029] The embodiment of the present application proposes a blockchain-based data processing method, which can be applied to a node in the blockchain network, and the node can be any node connected ...
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The embodiment of the invention discloses a data processing method and device based on a block chain, equipment and a storage medium. The method and the device are applied to the block chain field. The method comprises the following steps: receiving a target data uplink request carrying user information and a data association image, calling an image recognition model through a pre-deployed smart contract to recognize a data associated image, determining structured data corresponding to the data association image based on the identification result, performing consensus verification on the structured data through a consensus node in the block chain network, and after the consensus verification is passed, writing the structured data and the user information into a block chain corresponding tothe block chain network in an associated manner. The structured data is extracted and stored on the block chain in combination with the non-tampering performance of the block chain, so that the transparency of the whole process can be improved, the problem that the structured data is tampered is prevented, and the accuracy and credibility of the extracted structured data are improved.
Description
technical field [0001] The present application relates to the field of computer technology, applied to the field of blockchain, and in particular to a data processing method, device, equipment and storage medium based on blockchain. Background technique [0002] At present, in people's daily life, it is usually necessary to use various target data for different processing, but in real scenarios, users usually provide data-associated images obtained by taking pictures of the target data, or printed data-associated images, When it is desired to obtain the corresponding structured data from the data-associated image, it is usually entered manually by the user. Taking the target data as bill data (such as invoices, shopping receipts, receipts, etc.) as an example, people often use various bills for reimbursement or statistical processing. In the scene of bill reimbursement or statistics, usually required It is the structured data of the invoice (such as invoice code, invoice am...
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IPC IPC(8): G06F16/27G06Q20/40
CPCG06F16/27G06Q20/401
Inventor 何万涛杨扬鲁睿
Owner ONE CONNECT SMART TECH CO LTD SHENZHEN