# Recovering sign bits of DCT coefficients in digital images as an optimization problem

> Research article (Journal of Visual Communication and Image Representation, 2023) · cited 16× · AI/ML

**Wikidata**: [openalex:W4390457849](https://www.wikidata.org/wiki/openalex:W4390457849)  
**Source**: https://4ort.xyz/entity/recovering-sign-bits-of-dct-coefficients-in-digital-images-as-an-optimization-problem