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研究生:黃建華
研究生(外文):Chien-hua Huang
論文名稱:簡易魚苗自動點算系統設計
論文名稱(外文):A simple design of automatic counting system for fish larvae
指導教授:方新疇方新疇引用關係
指導教授(外文):Sun-chio Fong
學位類別:碩士
校院名稱:國立中山大學
系所名稱:海洋生物研究所
學門:自然科學學門
學類:海洋科學學類
論文種類:學術論文
論文出版年:2002
畢業學年度:90
語文別:中文
論文頁數:52
中文關鍵詞:電腦魚苗點算
外文關鍵詞:fish larvaecountingcomputer
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簡易魚苗自動點算系統設計
國立中山大學海洋生物研究所碩士論文摘要
A simple design of automatic counting system for fish larvae
Chien-hua Huang
Advisor: Dr. Sun-chio Fong
Institute of Marine Biology, National Sun Yat-sen University, Kaohsiung 804,Taiwan, R.O.C.
The purpose of this study is to develop a portable-computer system for automatic counting of fish larvae. It was intended as an economical, fast and accurate tool for the general fish farmers.
The basic principle of the system is to use gray level value of the three prime colors (red, green and blue) as an indicator to separate and estimate fish larvae within the CCTV image. The hardware part includes a CCTV camera which hooks up to an IBM compatible laptop computer. Images of fish in a tank were captured and stored for future counting process. Program was written in True Basic language for taking the average number of pixel for individual fish, and system optimization for estimating the total number of fishes within tank. Regression analytical methods were also employed for estimating and correction of bias and errors.
In an experiment using the present system to estimate known numbers (100, 300, 500, 700 and 900) of larval Paracheirodon innesi in a 60-liter tank as the testing material, the estimated fish numbers were 132, 259, 495, 799 and 1054 respectively. The group of 500 fishes (standard deviation equals to 88) gave the best result. The total percentage of error ranged between 0.9% and 32%.
Application of this system on other species of fishes is yet to be tested. It was safe to suggest that the current version of the system works only onto the same species of fishes under similar conditions (less than 1000 fishes of similar sizes, water depth of 25 cm etc.). For different target fishes under different type of container, a new set of error-correcting formula would be needed. However, the present results when compared with published reports of other system, are no less accurate. This system however is more economical and works more conveniently than do most others.
目 錄
章 次 頁 數
中文摘要……………………………………………………………….II
英文摘要……………………………………………………………….IV
謝辭…………………………………………………………………….VII
目錄…………………………………………………………………...VIII
表目錄……………………………………………………………...…...IX
圖目錄……………………………………………………………….…..X
壹、前言………………………………………………………………1
貳、材料與方法………………………………………………………5
參、結果………………………………………………………………15
肆、討論………………………………………………………………19
參考文獻………………………………………………………………..27
表………………………………………………………………………..30
圖………………………………………………………………………..34
附錄……………………………………………………………………..46
個人履歷………………………………………………………………..52
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