Search Results for author: Ozgur Yilmaz

Found 10 papers, 2 papers with code

Model-adapted Fourier sampling for generative compressed sensing

no code implementations8 Oct 2023 Aaron Berk, Simone Brugiapaglia, Yaniv Plan, Matthew Scott, Xia Sheng, Ozgur Yilmaz

We study generative compressed sensing when the measurement matrix is randomly subsampled from a unitary matrix (with the DFT as an important special case).

Artificial intelligence as a gateway to scientific discovery: Uncovering features in retinal fundus images

no code implementations17 Jan 2023 Parsa Delavari, Gulcenur Ozturan, Ozgur Yilmaz, Ipek Oruc

Here we propose a methodology for explainable classification of fundus images to uncover the mechanism(s) by which CNNs successfully predict the labels.

Image Segmentation Semantic Segmentation

PLUGIn: A simple algorithm for inverting generative models with recovery guarantees

no code implementations NeurIPS 2021 Babhru Joshi, Xiaowei Li, Yaniv Plan, Ozgur Yilmaz

We prove that, when weights are Gaussian and layer widths $n_i \gtrsim 5^i n_0$ (up to log factors), the algorithm converges geometrically to a neighbourhood of $x$ with high probability.

PLUGIn-CS: A simple algorithm for compressive sensing with generative prior

no code implementations NeurIPS Workshop Deep_Invers 2021 Babhru Joshi, Xiaowei Li, Yaniv Plan, Ozgur Yilmaz

After a sufficient number of iterations, the estimation errors for both $x$ and $\mathcal{G}(x)$ are at most in the order of $\sqrt{4^dn_0/m} \|\epsilon\|$.

Compressive Sensing

NBIHT: An Efficient Algorithm for 1-bit Compressed Sensing with Optimal Error Decay Rate

no code implementations23 Dec 2020 Michael P. Friedlander, Halyun Jeong, Yaniv Plan, Ozgur Yilmaz

The Binary Iterative Hard Thresholding (BIHT) algorithm is a popular reconstruction method for one-bit compressed sensing due to its simplicity and fast empirical convergence.

Information Theory Numerical Analysis Information Theory Numerical Analysis 94-XX

Learning tensors from partial binary measurements

1 code implementation31 Mar 2018 Navid Ghadermarzy, Yaniv Plan, Ozgur Yilmaz

In this paper we generalize the 1-bit matrix completion problem to higher order tensors.

Statistics Theory Information Theory Information Theory Optimization and Control Statistics Theory 62B10, 94A17, 15A69, 62D05 H.3.3; I.2.6

Multi-View Product Image Search Using Deep ConvNets Representations

no code implementations11 Aug 2016 Muhammet Bastan, Ozgur Yilmaz

We concluded that (1) multi-view queries with deep ConvNets representations perform significantly better than single view queries, (2) ConvNets perform much better than BoWs and have room for further improvement, (3) pre-training of ConvNets on a different image dataset with background clutter is needed to obtain good performance on cluttered product image queries obtained with a mobile phone.

Image Retrieval Retrieval

U-CATCH: Using Color ATtribute of image patCHes in binary descriptors

no code implementations14 Mar 2016 Alisher Abdulkhaev, Ozgur Yilmaz

In this study, we propose a simple yet very effective method for extracting color information through binary feature description framework.

Attribute

Classification of Occluded Objects using Fast Recurrent Processing

no code implementations6 May 2015 Ozgur Yilmaz

Recurrent neural networks are powerful tools for handling incomplete data problems in computer vision, thanks to their significant generative capabilities.

Classification Computational Efficiency +1

Reservoir Computing using Cellular Automata

1 code implementation1 Oct 2014 Ozgur Yilmaz

We introduce a novel framework of reservoir computing.

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