The invention discloses a coral reef habitat survey video analysis method, a storage medium and a terminal, and belongs to the field of coral reef habitat survey. The coral reef habitat survey video analysis method comprises the following steps of : 1, carrying out video acquisition on a coral reef habitat; Step 2 : semantically segmenting the acquired coral reef habitat video frame by frame, and calculating the coverage of different types of coral reef frame by frame; Step 3 : obtaining the weighting coefficient of the corresponding frame of the video; Step 4 : Utilize the coverage of different kinds of coral reef and weighting coefficient of the corresponding frame of the video, estimate the total coverage of the habitat of coral reef and coverage of each kind of coral reef. The invention can utilize the Image processing technology for identification of the coral reef, saves a large amount of underwater manual identification and recording workload, the degree of automation is greatly improved, coral coverage calculation accuracy is high, the reliability is good.
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