Read e-book online Computational Botany: Methods for Automated Species PDF

By Paolo Remagnino, Simon Mayo, Paul Wilkin, James Cope, Don Kirkup

ISBN-10: 3662537435

ISBN-13: 9783662537435

ISBN-10: 3662537451

ISBN-13: 9783662537459

This e-book discusses leading edge tools for mining details from photos of vegetation, specifically leaves, and highlights the diagnostic gains that may be applied in absolutely computerized structures for determining plant species. Adopting a multidisciplinary method, it explores the matter of plant species identity, masking either the techniques of taxonomy and morphology. It then presents an summary of morphometrics, together with the old history and the most steps within the morphometric research of leaves including a few purposes. The middle of the ebook makes a speciality of novel diagnostic tools for plant species id constructed from a working laptop or computer scientist’s viewpoint. It then concludes with a bankruptcy at the characterization of botanists' visions, which highlights vital cognitive points that may be applied in a working laptop or computer procedure to extra adequately mirror the human expert’s fixation technique. The e-book not just represents an authoritative consultant to complicated computational instruments for plant identity, yet offers specialists in botany, machine technology and trend attractiveness with new rules and demanding situations. As such it truly is anticipated to foster either nearer collaborations and additional technological advancements within the rising box of computerized plant identification.

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Extra resources for Computational Botany: Methods for Automated Species Identification

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For each leaf image, a large number (up to 1024) of small, fixed-size windows are randomly selected from the surface of the leaf. For each window 20 features are calculated based on the responses from different filters applied to all the pixels in the window. The filters used are a rotationally invariant version of the Gabor filter: g(x, y) = exp 2π r r2 cos 2 2σ λ where r = x 2 + y2 is the distance from the centre of the filter, σ is the standard deviation, and λ is the wavelength, set to be λ = 3σ .

Since the insertion point and apex may not lie directly opposite each other, the sequences a and b are continued for a distance of w beyond the mid-point xi+ n2 , so that the ends of the sequences overlap. A value of w = n8 was used. The accumulated cost matrix D is generated as described in Sect. 1. Because the last w points in the two sequences are the reverse of each other, similarity is calculated as the minimum djk where j + k = n. 25% of the 1600 leaves in the dataset. These apices and insertion points are used in Sect.

4 Applications 29 select various characteristics of the plant from a series of menu options, rather than using morphometric analysis directly. Each of these general-purpose prototypes has been demonstrated to work successfully on at least a small number of species, under more or less stringent conditions. Currently, there is no such system available for everyday use, although interest remains high (Lipske 2008; Kumar et al. 2012). 2 Agriculture Rather than trying to identify a plant as belonging to one or other species, it is sometimes sufficient to carry out a binary classification (for example, as healthy or not healthy), without needing to be concerned about the exact taxon to which it belongs.

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Computational Botany: Methods for Automated Species Identification by Paolo Remagnino, Simon Mayo, Paul Wilkin, James Cope, Don Kirkup

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