# Channel Attention for Sensor-Based Activity Recognition: Embedding Features into all Frequencies in DCT Domain

> Research article (IEEE Transactions on Knowledge and Data Engineering, 2023) · cited 60× · AI/ML

**Wikidata**: [openalex:W4387031820](https://www.wikidata.org/wiki/openalex:W4387031820)  
**Source**: https://4ort.xyz/entity/channel-attention-for-sensor-based-activity-recognition-embedding-features-into-all-frequencies-in-dct-domain