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Updated: Jul 18, 2026

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments
Published on: March 1, 2022
A luminance- and contrast-invariant edge-similarity measure
Saravana Kumar1, Sim Heng Ong, Surendra Ranganath
1Department of Electrical and Computer Engineering, National University of Singapore, Singapore.
Abstract:
A novel similarity measure for edge-detection that is robust to varying luminance and contrast is presented. It incorporates a regularization term and employs directional FIR edge filters with hyperbolic tangent profiles to ensure improved noise performance and edge localization compared to classical methods.
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