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FISH COUNTING DEVICE, FISH COUNTING METHOD, FISH COUNT PREDICTION DEVICE, FISH COUNT PREDICTION METHOD, FISH COUNTING SYSTEM, AND FISH COUNT PREDICTION SYSTEM
FISH COUNTING DEVICE, FISH COUNTING METHOD, FISH COUNT PREDICTION DEVICE, FISH COUNT PREDICTION METHOD, FISH COUNTING SYSTEM, AND FISH COUNT PREDICTION SYSTEM
To provide a easily fish counting device, a fish counting method, a fish count prediction device, a fish count prediction method, a fish counting system, and a fish count prediction system. The fish counting device of the present invention includes: a measurement image acquisition unit 11 configured to acquire, over time, a plurality of measurement images of a region to be measured in a passage region where a fluid containing fish passes through; a fish position acquisition unit 21 configured to acquire positions of the fish in the measurement images; a fish movement line calculation unit 22 configured to calculate movement line(s) of the fish as tracks of movements of the fish on the basis of the acquired positions; and a fish counting unit 23 configured to count the fish on the basis of the movement line(s) of the fish in the measurement images to obtain a fish count.
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