Method for improving credibility of cross-camera behavior recognition by using block chain
A cross-camera and blockchain technology, applied in the field of behavior recognition reliability, can solve problems such as inability to judge the sequence of events, difficulty in ensuring the accuracy of machine learning results, and inability to accurately determine the sequence of events, so as to improve reliability. , reduce the possible effect of the questioned
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Embodiment 1
[0029] The first case is figure 2 , assuming that the correct execution order of events in the four rooms is 1>2>3>4, if the middle aisle lacks camera coverage, then the order of the video before and after the video cannot be determined, if the aisle is covered by cameras but the entrance of any two rooms is not fully covered, Then the front and rear order of these two rooms can also be exchanged.
Embodiment 2
[0031] Another situation such as image 3 , assuming that the correct order of execution of events in 4 rooms is 1>2>3>4, but the work is performed in the order of 2>3>4>1, and the order of 1>2>3>4 can still be formed by changing the video order, because The algorithm itself cannot identify the sequence, and it is easy to be questioned based on this alone.
Embodiment 3
[0033] Such as figure 1 As shown, a method of using blockchain to improve the credibility of cross-camera behavior recognition includes a camera module, a blockchain module and a behavior recognition module, including the above steps:
[0034] Step 1: Define a single-chain blockchain service;
[0035] Step 2: Define the camera IoT system that can automatically divide the video, calculate the hash as the file name and store it, and send the signature of the file hash package transaction to the blockchain for deposit;
[0036] Step 3: The camera service regularly polls the block height, and divides the video according to the block generation time of each block in the blockchain.
[0037] Working principle: Define a single-chain blockchain service, define a camera IoT system that can automatically divide videos, calculate hashes as file names, and send signatures to blockchain storage after file hashes are packaged and traded. The camera service periodically polls the block hei...
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