# Optimal design of 2-D FIR digital differentiator using $$L_1$$ L 1 -norm based cuckoo-search algorithm

> Research article (Multidimensional Systems and Signal Processing, 2016) · cited 30× · AI/ML

**Wikidata**: [openalex:W2440774885](https://www.wikidata.org/wiki/openalex:W2440774885)  
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