Please use this identifier to cite or link to this item: http://rportal.lib.ntnu.edu.tw:80/handle/77345300/32127
Title: Measurement of the state of hole with one exposure using a single digital camera
Authors: 國立臺灣師範大學電機工程學系
Chin-Tun Chuang
Ming-Chi Lu
Chen-Chien Hsu
Yin-Yu Lu
Issue Date: 19-Jan-2007
Abstract: In this paper, a novel measuring method for examining the state of a single drilled through-thickness hole in terms of exact surface roughness, precision tolerance, eccentricity is presented. The proposed method can also measure the diameter and depth of the hole with one exposure using a single digital camera. It is the aim of this paper to develop a new camera positioning control device which utilizes the forementioned measuring method to reduce expenses and process time during the measurement. We designed the apparatus according to an established frame of digital camera measurement parameters (height of optic position and width of horizontal view angle). The effectiveness of the proposed approach in measuring the diameter and depth of the through hole has been validated by using gray scale chromatic aberration of the image contour regions. This measurement system not only increases the accuracy of the measuring results but is also applicable with any kinds of digital cameras.
URI: http://rportal.lib.ntnu.edu.tw/handle/77345300/32127
Other Identifiers: ntnulib_tp_E0607_02_005
Appears in Collections:教師著作

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