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Privacy-Preserving Near Neighbor Search via Sparse Coding with Ambiguation


Feb 08, 2021
Behrooz Razeghi, Sohrab Ferdowsi, Dimche Kostadinov, Flavio. P. Calmon, Slava Voloshynovskiy

* To be presented at 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2021) 

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Privacy-Preserving Image Sharing via Sparsifying Layers on Convolutional Groups


Feb 04, 2020
Sohrab Ferdowsi, Behrooz Razeghi, Taras Holotyak, Flavio P. Calmon, Slava Voloshynovskiy

* Accepted as an oral presentation for ICASSP 2020 

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$ρ$-VAE: Autoregressive parametrization of the VAE encoder


Sep 13, 2019
Sohrab Ferdowsi, Maurits Diephuis, Shideh Rezaeifar, Slava Voloshynovskiy

* Submitted to NeurIPS workshop on Bayesian deep learning 

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Learning to compress and search visual data in large-scale systems


Jan 24, 2019
Sohrab Ferdowsi

* PhD thesis dissertation 

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Network Learning with Local Propagation


May 20, 2018
Dimche Kostadinov, Behrooz Razeghi, Sohrab Ferdowsi, Slava Voloshynovskiy

* preprint, a similar version submitted to NIPS 2018 

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A multi-layer network based on Sparse Ternary Codes for universal vector compression


Oct 31, 2017
Sohrab Ferdowsi, Slava Voloshynovskiy, Dimche Kostadinov

* Submitted to ICASSP 2018 

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A multi-layer image representation using Regularized Residual Quantization: application to compression and denoising


Jul 07, 2017
Sohrab Ferdowsi, Slava Voloshynovskiy, Dimche Kostadinov

* At the International Conference on Image Processing 2017 (ICIP'17), Beijing, China 

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Regularized Residual Quantization: a multi-layer sparse dictionary learning approach


May 01, 2017
Sohrab Ferdowsi, Slava Voloshynovskiy, Dimche Kostadinov

* To be presented at SPARS 2017, Lisbon, Portugal 

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Sparse Ternary Codes for similarity search have higher coding gain than dense binary codes


Apr 25, 2017
Sohrab Ferdowsi, Slava Voloshynovskiy, Dimche Kostadinov, Taras Holotyak

* Accepted at 2017 IEEE International Symposium on Information Theory (ISIT'17) 

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Sparse Multi-layer Image Approximation: Facial Image Compression


Jun 12, 2015
Sohrab Ferdowsi, Svyatoslav Voloshynovskiy, Dimche Kostadinov

* Submitted to the MLSP 2015 

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