Contrast-based weak supervision time sequence action positioning evaluation method and system
An evaluation method and contrast technology, which can be used in instruments, character and pattern recognition, computer parts, etc., and can solve problems such as unsatisfactory positioning effects.
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[0054] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0055] see figure 1 and figure 2 , a contrast-based weakly supervised time-series action location evaluation method according to an embodiment of the present invention, specifically comprising the following steps:
[0056] Step 1: Action Classification Prediction at Known Segment Level and segment-level attention score prediction In the case of , the maximum pooling is used to obtain the local maximum value and its temporal position of the target category action classification prediction. Similarly, local minima and corresponding timing positions are also obtained.
[0057] The specific steps in step 1 include:
[0058] (1) For the prediction of action classification at the known segment level Leveraging Segment-Level Attention Score Prediction For preprocessing, if the attention score for the t position is less than a c...
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