# Second-Order Spectral Transform Block for 3D Shape Classification and Retrieval

> Research article (IEEE Transactions on Image Processing, 2020) · cited 13× · AI/ML

**Wikidata**: [openalex:W3001591398](https://www.wikidata.org/wiki/openalex:W3001591398)  
**Source**: https://4ort.xyz/entity/second-order-spectral-transform-block-for-3d-shape-classification-and-retrieval