Search Results for author: Aaron Chadha

Found 8 papers, 3 papers with code

Graph-based Spatial-temporal Feature Learning for Neuromorphic Vision Sensing

1 code implementation8 Oct 2019 Yin Bi, Aaron Chadha, Alhabib Abbas, Eirina Bourtsoulatze, Yiannis Andreopoulos

The core of our framework comprises a spatial feature learning module, which utilizes residual-graph convolutional neural networks (RG-CNN), for end-to-end learning of appearance-based features directly from graphs.

Action Recognition

Graph-Based Object Classification for Neuromorphic Vision Sensing

1 code implementation ICCV 2019 Yin Bi, Aaron Chadha, Alhabib Abbas, Eirina Bourtsoulatze, Yiannis Andreopoulos

Neuromorphic vision sensing (NVS)\ devices represent visual information as sequences of asynchronous discrete events (a. k. a., ``spikes'') in response to changes in scene reflectance.

Classification General Classification +1

Deep Video Precoding

no code implementations2 Aug 2019 Eirina Bourtsoulatze, Aaron Chadha, Ilya Fadeev, Vasileios Giotsas, Yiannis Andreopoulos

We propose to use deep neural networks as precoders for current and future video codecs and adaptive video streaming systems.

Open-Ended Question Answering

Rate-Accuracy Trade-Off In Video Classification With Deep Convolutional Neural Networks

1 code implementation27 Sep 2018 Mohammad Jubran, Alhabib Abbas, Aaron Chadha, Yiannis Andreopoulos

Advanced video classification systems decode video frames to derive the necessary texture and motion representations for ingestion and analysis by spatio-temporal deep convolutional neural networks (CNNs).

Action Recognition Classification +4

Improved Techniques for Adversarial Discriminative Domain Adaptation

no code implementations10 Sep 2018 Aaron Chadha, Yiannis Andreopoulos

Adversarial discriminative domain adaptation (ADDA) is an efficient framework for unsupervised domain adaptation in image classification, where the source and target domains are assumed to have the same classes, but no labels are available for the target domain.

Denoising Image Classification +2

Video Classification With CNNs: Using The Codec As A Spatio-Temporal Activity Sensor

no code implementations14 Oct 2017 Aaron Chadha, Alhabib Abbas, Yiannis Andreopoulos

We demonstrate that selective access to MB motion vector (MV) information within compressed video bitstreams can also provide for selective, motion-adaptive, MB pixel decoding (a. k. a., MB texture decoding).

Classification Cloud Computing +3

Voronoi-based compact image descriptors: Efficient Region-of-Interest retrieval with VLAD and deep-learning-based descriptors

no code implementations27 Nov 2016 Aaron Chadha, Yiannis Andreopoulos

Our proposal is a compact image descriptor that combines the state-of-the-art in content-based descriptor extraction with a multi-level, Voronoi-based spatial partitioning of each dataset image.

Image Retrieval Retrieval

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