FISH COUNTER, FISH COUNTING METHOD, PREDICTION DEVICE FOR NUMBER OF FISH, PREDICTION METHOD FOR NUMBER OF FISH, FISH COUNTER SYSTEM AND PREDICTION SYSTEM FOR NUMBER OF FISH

摘要

PROBLEM TO BE SOLVED: To provide a simple fish counter, a fish counting method, a prediction device for number of fish, a prediction method for number of fish, a fish counter system and a prediction system for number of fish.;SOLUTION: A fish counter of this invention is characterized by including: a measurement image acquiring means 11 for acquiring a plurality of measurement images over time regarding a measurement object area in a passage area where fluid including a fish passes; a fish position acquirement means 21 for acquiring the fish position regarding each of the plurality of measured images; a fish movement line calculation means 22 for calculating the movement line of the fish which is a trajectory of the movement of the fish based on the position of the fish in the plurality of measurement images; and a fish counting means 23 for counting the number of fish based on the movement line of the fish in the plurality of measured images.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2016,JPO&INPIT