Ashish Arora
Johns Hopkins University
10 Papers
9 Citations
Ashish Arora is an academic researcher from Johns Hopkins University. The author has contributed to research in topics: Language model & Speaker diarisation. The author has an hindex of 4, co-authored 10 publications.
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Papers
•Posted Content
CHiME-6 Challenge:Tackling Multispeaker Speech Recognition for Unsegmented Recordings
Shinji Watanabe,Michael I. Mandel,Jon Barker,Emmanuel Vincent,Ashish Arora,Xuankai Chang,Sanjeev Khudanpur,Vimal Manohar,Daniel Povey,Desh Raj,David Snyder,Aswin Shanmugam Subramanian,Jan Trmal,Bar Ben Yair,Christoph Boeddeker,Zhaoheng Ni,Yusuke Fujita,Shota Horiguchi,Naoyuki Kanda,Takuya Yoshioka,Neville Ryant +20 more
TL;DR: Of note, Track 2 is the first challenge activity in the community to tackle an unsegmented multispeaker speech recognition scenario with a complete set of reproducible open source baselines providing speech enhancement, speaker diarization, and speech recognition modules.
CHiME-6 Challenge: Tackling multispeaker speech recognition for unsegmented recordings
Shinji Watanabe,Michael I. Mandel,Jon Barker,Emmanuel Vincent,Ashish Arora,Xuankai Chang,Sanjeev Khudanpur,Vimal Manohar,Daniel Povey,Desh Raj,David Snyder,Aswin Shanmugam Subramanian,Jan Trmal,Bar Ben Yair,Christoph Boeddeker,Zhaoheng Ni,Yusuke Fujita,Shota Horiguchi,Naoyuki Kanda,Takuya Yoshioka,Neville Ryant +20 more
- 04 May 2020
TL;DR: The 6th CHiME Speech Separation and Recognition Challenge (CHiME-6) as mentioned in this paper was the first challenge activity in the community to tackle an unsegmented multispeaker speech recognition scenario with a complete set of reproducible open source baselines.
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Sparse Coding and Autoencoders
Akshay Rangamani,Anirbit Mukherjee,Amitabh Basu,Ashish Arora,Ganapathi Tejaswini,Sang Chin,Trac D. Tran +6 more
- 17 Jun 2018
TL;DR: It is proved that a layer of ReLU gates can be set up to automatically recover the support of the sparse codes when the data generative model is that of “Sparse Coding”/“Dictionary Learning”.
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•Posted Content
Critical Points Of An Autoencoder Can Provably Recover Sparsely Used Overcomplete Dictionaries.
Akshay Rangamani,Anirbit Mukherjee,Ashish Arora,Tejaswini Ganapathy,Amitabh Basu,Sang Peter Chin,Trac D. Tran +6 more
- 12 Aug 2017
TL;DR: A rigorous analysis of the possibility that dictionary learning could be performed by gradient descent on Autoencoders, which are R → R neural network with a single ReLU activation layer of size h, and creates a proxy for the expected gradient of this loss function which is motivated with high probability arguments, under natural distributional assumptions on the sparse code x∗.
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•Posted Content
Sparse Coding and Autoencoders
Akshay Rangamani,Anirbit Mukherjee,Amitabh Basu,Tejaswini Ganapathy,Ashish Arora,Sang Chin,Trac D. Tran +6 more
TL;DR: In this article, it was shown that the norm of the expected gradient of the standard squared loss function is asymptotically (in sparse code dimension) negligible for all points in a small neighborhood of the input matrix.
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