| 摘要 |
PURPOSE: A method and a device for calculating the staying stock of fish using the underwater cinematography are provided to measure the standing stock of fishes within an artificial fish reef and to understand the precise properties of fishes which live in the artificial fish reef. CONSTITUTION: A device for calculating the staying stock of fish using the underwater cinematography includes: a main ship(10) which is anchored to the top of an artificial fish reef; a plurality of underwater cameras(20) which are installed in a regular interval from the bottom surface of the fish reef to the top surface; a plurality of distance marking flags(30) which indicate the camera irradiation distance and are installed in the front part of the underwater camera in the artificial fishes reef; a plurality of lighting devices(40) which are installed at the artificial fish reef to light the camera irradiation area; a multi-channel control box which controls a plurality of underwater cameras in the state of being installed in the main ship and is connected to the cameras and cables; a monitor which observes the images of underwater camera, is installed in the main ship and connected to the control box and cable; and a video recorder which stores the images filmed by the underwater camera and is connected to the monitor using the cables. |
