# Enhanced Spinning Parallelogram Operator Combining Color Constraint and Histogram Integration for Robust Light Field Depth Estimation

> Research article (IEEE Signal Processing Letters, 2021) · cited 20× · AI/ML

**Wikidata**: [openalex:W3161594007](https://www.wikidata.org/wiki/openalex:W3161594007)  
**Source**: https://4ort.xyz/entity/enhanced-spinning-parallelogram-operator-combining-color-constraint-and-histogram-integration-for-robust-light-field-dep