研究生: |
薛家倫 Chia-Lun Hsueh |
---|---|
論文名稱: |
拼字機器人之命令卡片及文字方塊影像辨識技術 Command Card and Character Cube Image Recognition Techniques for a Spelling Robot |
指導教授: |
林其禹
Chyi-Yeu Lin |
口試委員: |
鍾國亮
Kuo-Liang Chung 古鴻炎 Hung-Yan Gu 陳亮光 Liang-Kuang Chen |
學位類別: |
碩士 Master |
系所名稱: |
工程學院 - 機械工程系 Department of Mechanical Engineering |
論文出版年: | 2005 |
畢業學年度: | 93 |
語文別: | 中文 |
論文頁數: | 94 |
中文關鍵詞: | 圖像辨識 、電腦視覺 |
外文關鍵詞: | Pattern recognition, Computer vision |
相關次數: | 點閱:391 下載:3 |
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本論文提出應用至拼字機器人之卡片辨識系統與文字方塊辨識系統這兩種視覺辨識技術,使用者可藉由卡片與機器人溝通,使其作動或拼出卡片上圖像所代表之英文單字。本文提出之卡片辨識系統利用特殊設計的定位點與編碼,使系統得以快速且準確的定位與辨識,且卡片辨識系統亦十分強健,當使用者輕微遮蔽住卡片之任何一角下皆能成功辨識,且卡片擴充簡單便利,最多可擴充至2,187張卡片。文字方塊辨識系統係利用方塊白底黑字的特性來做群組區隔,本文並提出一四邊形檢測方法進行文字方塊定位,再使用樣本比對法來辨識文字,使其能快速且準確的定位與辨識。最後將此兩系統整合於拼字機器人進行測試,實驗結果顯示本系統具有即時卡片辨識及文字方塊辨識追蹤抓取並堆疊之功能。
This research proposes image recognition techniques to identify command cards and character cubes for a spelling robot. The command cards are used for issuing commands to the robot so that people can ask the robot to execute specific actions or spell words. By using a unique orientation/location and encoding systems, these command cards can be quickly and correctly recognized and interpreted by the robot. The card is still readable when one corner is covered by fingers. The current command card system is easily expandable to a maximum of 2,187 commands. The character cube recognition system developed in this research uses the white background inside a black square frame as the location characteristic. This system can interpret a character cube in different viewing angles, and then recognize the characters on the cube by a template matching method. The two vision recognition systems enable the spelling robot to receive commands from the card and execute the spelling actions in a fast and reliable manner.
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