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A compact system for self-motion est...
~
California Institute of Technology.
A compact system for self-motion estimation.
紀錄類型:
書目-電子資源 : 單行本
正題名/作者:
A compact system for self-motion estimation./
作者:
Mitros, Ania.
面頁冊數:
127 p.
附註:
Source: Dissertation Abstracts International, Volume: 67-08, Section: B, page: 4607.
Contained By:
Dissertation Abstracts International67-08B.
標題:
Engineering, Electronics and Electrical. -
電子資源:
Download PDF (下載PDF全文)
ISBN:
9780542853258
A compact system for self-motion estimation.
Mitros, Ania.
A compact system for self-motion estimation.
- 127 p.
Source: Dissertation Abstracts International, Volume: 67-08, Section: B, page: 4607.
Thesis (Ph.D.)--California Institute of Technology, 2006.
Self-motion estimation is a vital problem for autonomous robots, frequently and appropriately addressed by vision algorithms. Most approaches involve repeating some local calculation over the entire imaging array, such as detection of locally salient features. A simple and local calculation can be efficiently implemented on the same chip as the photo-sensing array, thus parallelizing a huge computational task and vastly reducing the amount of data to transmit off chip. Mismatch between devices has previously been a stumbling block to producing truly useful arrays of local processing elements. Floating gate technology is used here as a compact means of programming away offsets in subcircuits to remedy this problem. A custom analog chip performs the above functions. For each pixel, the chip outputs sensed light intensity, the values of the vertical and horizontal intensity gradients, and a binary value indicating whether a feature is centered on that pixel. These values can be used as inputs to a motion estimation algorithm implemented on a standard computer.
ISBN: 9780542853258Subjects--Topical Terms:
170927
Engineering, Electronics and Electrical.
A compact system for self-motion estimation.
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Download PDF (下載PDF全文)
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