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USGS · 70016121

Differentiator design and performance for edge sharpening

Jeng-Jong Pan·Julia O. Domingue
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Abstract

A two-dimensional differentiator is useful for edge sharpening in digital image processing. In the design of a differentiator, differentiator coefficients that satisfy the specification of frequency response must be approximated. Four mathematical techniques - the minimax method, least-squares method, nonlinear programming, and linear programming - can be applied to solve the approximation problem. Results indicated that the differentiator derived from linear programming gives the highest resolution. -from Authors

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Jeng-Jong Pan, Julia O. Domingue. 1990. Differentiator design and performance for edge sharpening. https://pubs.usgs.gov/publication/70016121

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