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On the Detection of Peaks and Valleys Using the Local Descriptors Method
May 1984 (vol. 6 no. 5)
pp. 629-632
Yogendra J. Tejwani, Department of Electrical Engineering, University of Arkansas, Fayetteville, Arkansas 72701.
Richard A. Jones, Department of Electrical Engineering, University of Arkansas, Fayetteville, Arkansas 72701.
In this correspondence it is demonstrated that the derivative of the angle with respect to an arbitrary independent parameter cannot in general be used to find peaks and valleys of a shape. It is then shown, using concepts from differential geometry, that curvature corresponds to the derivative of the angle with respect to an independent variable if and only if the angle is deflned as a single variable. It is further shown that peaks and valleys detected using curvature as a criterion are insufficient to completely describe a shape.
Citation:
Yogendra J. Tejwani, Richard A. Jones, "On the Detection of Peaks and Valleys Using the Local Descriptors Method," IEEE Transactions on Pattern Analysis and Machine Intelligence, vol. 6, no. 5, pp. 629-632, May 1984, doi:10.1109/TPAMI.1984.4767576
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