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Least Square with L0, L1, and L2 C...
by Masayuki Tanaka
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![Masayuki Tanaka
Aug. 24, 2016
ADMM algorithm in ProxImaL [1]](https://image.slidesharecdn.com/proximal-160824100021/75/ADMM-algorithm-in-ProxImaL-1-2048.jpg?cb=1667929609)
![Proximal operator [2]
prox 𝑓,𝜌 𝒗 = arg min
𝒙
𝑓 𝒙 +
𝜌
2
𝒙 − 𝒗 2
2
1](https://image.slidesharecdn.com/proximal-160824100021/75/ADMM-algorithm-in-ProxImaL-2-2048.jpg?cb=1667929609)
![Alternating Direction Method of Multipliers
[2]
ADMM problem
Minimize 𝐼 𝒙, 𝒛 = 𝑓 𝒙 + 𝑔(𝒛) subject to 𝑨𝒙 + 𝑩𝒛 = 𝒄
Augme...](https://image.slidesharecdn.com/proximal-160824100021/75/ADMM-algorithm-in-ProxImaL-3-2048.jpg?cb=1667929609)
![References
[1] F. Heide et al, ProxImaL: Efficient Image Optimization using Proximal
Algorithms, SIGGRAPH 2016.
https://gr...](https://image.slidesharecdn.com/proximal-160824100021/75/ADMM-algorithm-in-ProxImaL-7-2048.jpg?cb=1667929609)