# Image watermarking using polar harmonic transform with parameters in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si0073.gif" overflow="scroll"><mml:mi mathvariant="italic">SL</mml:mi><mml:mo>(</mml:mo><mml:mn>2</mml:mn><mml:mo>,</mml:mo><mml:mi mathvariant="double-struck">R</mml:mi><mml:mo>)</mml:mo></mml:math>

> Research article (Signal Processing Image Communication, 2015) · cited 23× · AI/ML

**Wikidata**: [openalex:W2047204204](https://www.wikidata.org/wiki/openalex:W2047204204)  
**Source**: https://4ort.xyz/entity/image-watermarking-using-polar-harmonic-transform-with-parameters-in-mml-math-xmlns-mml-http-www-w3-org-1998-math-mathml