New Zealand Journal of Agricultural Research abstracts
A novel bacteria recognition method based on microscopic image
analysis
Li Xiaojuan
Information Engineering College
Capital Normal University
Beijing 100037, China
lixjxxxy@263.net
Chen Cunshe
School of Chemical and Environmental Engineering,
Beijing Technology and Business University
Beijing 100037, China
Abstract A novel method for image recognition of bacteria is
presented
in this paper. An effective method for the edge detection of bacteria
images is provided by optimising segmentation threshold and changing
the order of edge detection, which effectively removes or restrains
noise and gets clear edges of the microscopic image. Principal
component analysis (PCA) is used to reduce the dimensionality of
primitive features extracted from the images, and back propagation (BP)
network is used to learn to classify the images. The proposed method
was tested with National Microbe Culture Resource (NMCR) database, and
experimental results demonstrated that the presented image
classification scheme is effective.
Keywords bacteria image recognition; edge
detection; PCA
A07080; Online publication date 21 December 2007; Received and accepted
10 August 2007
New Zealand Journal of Agricultural Research, 2007, Vol. 50:
697–703
0028–8233/07/5005–0697 © The Royal Society of New Zealand 2007
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