Automatic measuring device and method for fish type morphological parameters

Abstract

The invention relates to the technical field of aquatic product index measurement and particularly relates to an automatic measuring device and method for fish type morphological parameters. The automatic measuring device comprises a computer, a framework main body (1), a live fish flow guide groove (2) which is obliquely formed on the framework main body (1) and a photographing device which is arranged at the lower end of the live fish flow guide groove (2) and is used for photographing a fish body image; the bottom of the live fish flow guide groove (2) is a transparent platform; the photographing device comprises a bracket (4) arranged on the framework main body (1) and an industrial camera (5) which is in sliding connection with the bracket (4); the industrial camera is in signal connection with the computer; the computer comprises a parameter setting module, a calibration module, an image acquisition module, a fish body size automatic extracting module and a fish body size manual measuring module which are in signal connection in sequence. With the adoption of the device and the method, the fish type morphological parameters can be rapidly acquired in a lossless mode.

Description

technical field [0001] The invention relates to the technical field of aquatic product index measurement, in particular to an automatic measurement device and method for fish morphological parameters. Background technique [0002] In ichthyology research, the body shape characteristic parameters of fish are important basic parameters for fishery resource investigation, fry breeding, and broodstock breeding. At this stage, the collection of these characteristic parameters is generally measured manually by using a ruler, tape measure, etc. The above-mentioned measurement method has the following disadvantages: 1. A lot of data needs to be measured for the morphological indicators, and manual measurement and data recording often require two people. It can only be completed with cooperation, which not only wastes manpower and time, but also has low work efficiency. It is difficult to complete large-scale sample data collection, and continuous repetitive work is easy to increase ...

AI Technical Summary

Problems solved by technology

At this stage, the collection of these characteristic parameters is generally measured manually by using a ruler, tape measure, etc. The above-mentioned measurement method has the following disadvantages: 1. A lot of data needs to be measured for the morphological indicators, and manual measurement and data recording often require two people. It can only be completed with cooperation, which not only wastes manpower and time, but also has low work efficiency. It is difficult to complete large-scale sample data collection, and continuous repetitive work is easy to increase human error; 2. Due to the long time-consuming manual measurement and the need to measure out of water, Therefore, fish are often killed or seriously injured, such as scales falling off, fin damage, etc.; 3. In addition, manual collection cannot directly realize the mining and measurement of certain characteristic data, such as head curvature, back curvature, etc.

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