Search Results - "Anis, Aamir"
-
1
Efficient Sampling Set Selection for Bandlimited Graph Signals Using Graph Spectral Proxies
Published in IEEE transactions on signal processing (15-07-2016)“…We study the problem of selecting the best sampling set for bandlimited reconstruction of signals on graphs. A frequency domain representation for graph…”
Get full text
Journal Article -
2
A Sampling Theory Perspective of Graph-Based Semi-Supervised Learning
Published in IEEE transactions on information theory (01-04-2019)“…Graph-based methods have been quite successful in solving unsupervised and semi-supervised learning problems, as they provide a means to capture the underlying…”
Get full text
Journal Article -
3
Towards a sampling theorem for signals on arbitrary graphs
Published in 2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) (01-05-2014)“…In this paper, we extend the Nyquist-Shannon theory of sampling to signals defined on arbitrary graphs. Using spectral graph theory, we establish a cut-off…”
Get full text
Conference Proceeding -
4
Maximum-likelihood coherent-state quantum process tomography
Published in New journal of physics (19-10-2012)“…Coherent-state quantum process tomography (csQPT) is a method for completely characterizing a quantum-optical 'black box' by probing it with coherent states…”
Get full text
Journal Article -
5
Critical sampling for wavelet filterbanks on arbitrary graphs
Published in 2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) (01-03-2017)“…Current formulations of critically-sampled graph wavelet filterbanks work only for bipartite graphs where downsampling signals on either partition leads to a…”
Get full text
Conference Proceeding -
6
Compression of dynamic 3D point clouds using subdivisional meshes and graph wavelet transforms
Published in 2016 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) (01-03-2016)“…The advent of advanced acquisition techniques in 3D media applications has led to an increasing trend of capturing dynamic objects and scenes via 3D point…”
Get full text
Conference Proceeding Journal Article -
7
A switchable loop-restoration with side-information framework for the emerging AV1 video codec
Published in 2017 IEEE International Conference on Image Processing (ICIP) (01-09-2017)“…Image restoration schemes have traditionally been targeted only for use in a blind scenario, where the aim is to improve the quality of an image or video after…”
Get full text
Conference Proceeding -
8
Sampling Theory for Graph Signals With Applications to Semi-Supervised Learning
Published 01-01-2017“…The representation, processing and analysis of large-scale data as signals defined over graphs has drawn much interest recently. Graphs allow us to embed…”
Get full text
Dissertation -
9
Asymptotic justification of bandlimited interpolation of graph signals for semi-supervised learning
Published in 2015 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) (01-04-2015)“…Graph-based methods play an important role in unsupervised and semi-supervised learning tasks by taking into account the underlying geometry of the data set…”
Get full text
Conference Proceeding -
10
Tree-structured filter banks for M-block cyclic graphs
Published in 2017 51st Asilomar Conference on Signals, Systems, and Computers (01-10-2017)“…In this paper, we study the design of graph wavelet filter banks over M-block cyclic graphs. These graphs are natural directed extensions of bipartite graphs…”
Get full text
Conference Proceeding -
11
Efficient Sampling Set Selection for Bandlimited Graph Signals Using Graph Spectral Proxies
Published 08-03-2016“…We study the problem of selecting the best sampling set for bandlimited reconstruction of signals on graphs. A frequency domain representation for graph…”
Get full text
Journal Article -
12
Cascade and Lifting Structures in the Spectral Domain for Bipartite Graph Filter Banks
Published in 2018 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC) (01-11-2018)“…In classical multirate filter bank systems, the cascade (product) of simple polyphase matrices is an important technique for the theory, design and…”
Get full text
Conference Proceeding -
13
A Sampling Theory Perspective of Graph-based Semi-supervised Learning
Published 13-04-2019“…in IEEE Transactions on Information Theory, vol. 65, no. 4, pp. 2322-2342, April 2019 Graph-based methods have been quite successful in solving unsupervised…”
Get full text
Journal Article -
14
Markov chain sparsification with independent sets for approximate value iteration
Published in 2015 53rd Annual Allerton Conference on Communication, Control, and Computing (Allerton) (01-09-2015)“…The ever-increasing size of wireless networks poses a significant computational challenge for policy optimization schemes. In this paper, we propose a…”
Get full text
Conference Proceeding -
15
Active Semi-Supervised Learning Using Sampling Theory for Graph Signals
Published 16-05-2014“…We consider the problem of offline, pool-based active semi-supervised learning on graphs. This problem is important when the labeled data is scarce and…”
Get full text
Journal Article -
16
Maximum-likelihood coherent-state quantum process tomography
Published 26-04-2012“…New Journal of Physics 14, 105021 (2012) Coherent-state quantum process tomography (csQPT) is a method of completely characterizing a quantum-optical "black…”
Get full text
Journal Article -
17
Asymptotic Justification of Bandlimited Interpolation of Graph signals for Semi-Supervised Learning
Published 14-02-2015“…Graph-based methods play an important role in unsupervised and semi-supervised learning tasks by taking into account the underlying geometry of the data set…”
Get full text
Journal Article