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008 010999s1999 th uzm rtt 00| a1eng d
035 _a.b1175896x
099 9 _aAIT Thesis no.ISE-99-06
100 1 _aWei, Xiaozhou
245 1 0 _aActive range sensing algorithms for development of a navigation device for handicapped people
260 _aBangkok :
_bAsian Institute of Technology
_c1999
300 _a54, [3] p. :
_bill.
490 1 _aThesis ;
_vno. ISE-99-06
502 _aThesis (M.Eng.) - Asian Institute of Technology, 1999
500 _aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Advanced Technologies
520 _aThe main purpose of this study is to do the work of initial stage, which is to develop a prototype for an intelligent walking stick that can navigate blind or partially sighted people, by means of a multi-sensor based approach to detect obstacles along the path. This study is divided into three parts: sensor evaluation and selection, matching and depth recovery algorithms design and implementation with selected sensor module and micro controller. Two kinds of sensors and several range image measurement methods are compared. A matching algorithm is implemented and given the matching points pair from stereo images. Two kinds of depth recove1y methods are developed. Implementation of this methodology is demonstrated by recovering the depth from stereo images taken by single camera. Conclusion and recommendations are given based on experimental results.
650 0 _aBlind, Apparatus for the
650 0 _aCommunication devices for the disabled
700 1 _aAfzulpurkar, Nitin V.,
_eChairperson
700 0 _aManukid Parnichkun,
_eExamination Committee
700 1 _aPhan, Minh Dung,
_eExamination Committee
710 2 _aSIEMENS AG Germany,
_eScholarship donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. ISE-99-06
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B12171
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