光學式非接觸手寫辨識系統; Optical Non-Contact of Handwriting Recognition System

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题名:	光學式非接觸手寫辨識系統;Optical Non-Contact of Handwriting Recognition System
作者:	何恭毅;Kung-yi Ho
贡献者:	光電科學研究所
关键词:	影像切割;色彩模式;指尖軌跡;演算法;color space;image segmentation;fingertip tracking;algorithm
日期:	2011-07-13
上传时间:	2012-01-05 14:34:46 (UTC+8)
摘要:	本論文介紹光學式非接觸手寫辨識系統，利用CMOS攝影機加上手指書寫軌跡，傳送到處理系統中做處理，以達到手寫辨識的效果。非接觸式手寫辨識系統與傳統觸控手寫辨識系統的不同在於觸控手寫辨識系統需要觸控到顯示螢幕才能判斷出手寫的字元。 CMOS攝影機擷取影像後將對影像進行處理，如中值濾波、侵蝕及膨脹等，並以背景相減法進行影像切割，並判別出指尖位置，最後藉由演算法判斷出手寫的字元。經實驗驗證，本光學式非接觸手寫辨識系統已具有辨識字元的效果，具可行性。 This paper describes the optical non-contact of handwriting recognition system. Use the CMOS camera and fingertip writing trajectory, transmission to the processing system to achieve the handwriting recognition’s result. The traditional handwriting recognition system needs to touch the screen to achieve the characters’ recognition is the most different between the optical non-contact of handwriting recognition system. We processed for the images after CMOS camera captured, such as median filter, erosion and expansion. And use the principle of background subtraction to do the image segmentation and find the fingertip position, the last by algorithm to recognize the hand-written characters. After experimental verification, the system has effective recognize for characters. It can be feasible in the future.
显示于类别:	[光電科學研究所] 博碩士論文

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