Plant species identification using digital morphometrics: A review

被引:265
|
作者
Cope, James S. [2 ]
Corney, David [1 ]
Clark, Jonathan Y. [1 ]
Remagnino, Paolo [2 ]
Wilkin, Paul [3 ]
机构
[1] Univ Surrey, Dept Comp, Guildford GU2 5XH, Surrey, England
[2] Kingston Univ, Digital Imaging Res Ctr, London, England
[3] Royal Bot Gardens, Richmond TW9 3AB, Surrey, England
关键词
Morphometrics; Shape analysis; Image processing; Plant science; Leaf; Flower; Taxonomy; LEAF SHAPE; FRACTAL DIMENSION; IMAGE-ANALYSIS; CLASSIFICATION; LEAVES; EXTRACTION; RECOGNITION; CHARACTERS; TAXONOMY; OUTLINES;
D O I
10.1016/j.eswa.2012.01.073
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
Plants are of fundamental importance to life on Earth. The shapes of leaves, petals and whole plants are of great significance to plant science, as they can help to distinguish between different species, to measure plant health, and even to model climate change. The growing interest in biodiversity and the increasing availability of digital images combine to make this topic timely. The global shortage of expert taxonomists further increases the demand for software tools that can recognize and characterize plants from images. A robust automated species identification system would allow people with only limited botanical training and expertise to carry out valuable field work. We review the main computational, morphometric and image processing methods that have been used in recent years to analyze images of plants, introducing readers to relevant botanical concepts along the way. We discuss the measurement of leaf outlines, flower shape, vein structures and leaf textures, and describe a wide range of analytical methods in use. We also discuss a number of systems that apply this research, including prototypes of hand-held digital field guides and various robotic systems used in agriculture. We conclude with a discussion of ongoing work and outstanding problems in the area. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:7562 / 7573
页数:12
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