# A Two-Stage Noise Level Estimation Using Automatic Feature Extraction and Mapping Model

> Research article (IEEE Signal Processing Letters, 2018) · cited 10× · AI/ML

**Wikidata**: [openalex:W2901777575](https://www.wikidata.org/wiki/openalex:W2901777575)  
**Source**: https://4ort.xyz/entity/a-two-stage-noise-level-estimation-using-automatic-feature-extraction-and-mapping-model