Search Results for author: Mohamed S. Kamel

Found 7 papers, 0 papers with code

Supervised Dictionary Learning and Sparse Representation-A Review

no code implementations20 Feb 2015 Mehrdad J. Gangeh, Ahmed K. Farahat, Ali Ghodsi, Mohamed S. Kamel

This review provides a broad, yet deep, view of the state-of-the-art methods for S-DLSR and allows for the advancement of research and development in this emerging area of research.

Denoising Dictionary Learning +1

A Fast Greedy Algorithm for Generalized Column Subset Selection

no code implementations24 Dec 2013 Ahmed K. Farahat, Ali Ghodsi, Mohamed S. Kamel

This paper defines a generalized column subset selection problem which is concerned with the selection of a few columns from a source matrix A that best approximate the span of a target matrix B.

Greedy Column Subset Selection for Large-scale Data Sets

no code implementations24 Dec 2013 Ahmed K. Farahat, Ahmed Elgohary, Ali Ghodsi, Mohamed S. Kamel

The algorithm first learns a concise representation of all columns using random projection, and it then solves a generalized column subset selection problem at each machine in which a subset of columns are selected from the sub-matrix on that machine such that the reconstruction error of the concise representation is minimized.

Discriminative Density-ratio Estimation

no code implementations18 Nov 2013 Yun-Qian Miao, Ahmed K. Farahat, Mohamed S. Kamel

The proposed algorithm is an iterative procedure that alternates between estimating the class information for the test data and estimating new density ratio for each class.

Density Ratio Estimation General Classification +1

Embed and Conquer: Scalable Embeddings for Kernel k-Means on MapReduce

no code implementations11 Nov 2013 Ahmed Elgohary, Ahmed K. Farahat, Mohamed S. Kamel, Fakhri Karray

Exploiting the proposed parallelization strategy, we present two scalable MapReduce algorithms for kernel $k$-means.

Clustering Distributed Computing

Kernelized Supervised Dictionary Learning

no code implementations10 Jul 2012 Mehrdad J. Gangeh, Ali Ghodsi, Mohamed S. Kamel

In this paper, we propose supervised dictionary learning (SDL) by incorporating information on class labels into the learning of the dictionary.

Dictionary Learning

Cannot find the paper you are looking for? You can Submit a new open access paper.