# Real-time Image Smoothing via Iterative Least Squares
 This is the released code for the following paper accepted to ACM Transactions on Graphics, presented at SIGGRAPH 2020

 Real-time Image Smoothing via Iterative Least Squares, Wei Liu, Pingping Zhang, Xiaolin Huang, Jie Yang, Chunhua Shen and Ian Reid 
 
 **CUDA libarary is required if running with the GPU version.** 
 
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 **Related Work:**
 1. *"Semi-global weighted least squares in image filtering.", Wei Liu, Xiaogang Chen, Chuanhua Shen, Zhi Liu, and Jie Yang. In ICCV 2017.* [Code](https://github.com/wliusjtu/Semi-Global-Weighted-Least-Squares-in-Image-Filtering)
 2. *"Embedding bilateral filter in least squares for efficient edge-preserving image smoothing." Wei Liu, Pingping Zhang, Xiaogang Chen, Chunhua Shen, Xiaolin Huang, Jie Yang, IEEE Transactions on Circuits and Systems for Video Technology (2018).* [Code](https://github.com/wliusjtu/Embedding-Bilateral-Filter-in-Least-Squares-for-Efficient-Edge-preserving-Image-Smoothing)