Search Results for author: Alex Pappachen James

Found 25 papers, 0 papers with code

AM-DCGAN: Analog Memristive Hardware Accelerator for Deep Convolutional Generative Adversarial Networks

no code implementations20 Jun 2020 Olga Krestinskaya, Bhaskar Choubey, Alex Pappachen James

Generative Adversarial Network (GAN) is a well known computationally complex algorithm requiring signficiant computational resources in software implementations including large amount of data to be trained.

Generative Adversarial Network

Wafer Quality Inspection using Memristive LSTM, ANN, DNN and HTM

no code implementations27 Sep 2018 Kazybek Adam, Kamilya Smagulova, Olga Krestinskaya, Alex Pappachen James

The automated wafer inspection and quality control is a complex and time-consuming task, which can speed up using neuromorphic memristive architectures, as a separate inspection device or integrating directly into sensors.

General Classification

Memristive LSTM network hardware architecture for time-series predictive modeling problem

no code implementations10 Sep 2018 Kazybek Adam, Kamilya Smagulova, Alex Pappachen James

allows to model systems with multiple input variables and control several parameters such as the size of the look-back window to make a prediction and number of time steps to be predicted.

Time Series Time Series Forecasting

Learning in Memristive Neural Network Architectures using Analog Backpropagation Circuits

no code implementations31 Aug 2018 Olga Krestinskaya, Khaled Nabil Salama, Alex Pappachen James

The circuit level design and implementation of backpropagation algorithm using gradient descent operation for neural network architectures is an open problem.

Memristor-based Synaptic Sampling Machines

no code implementations2 Aug 2018 Irina Dolzhikova, Khaled Salama, Vipin Kizheppatt, Alex Pappachen James

Synaptic Sampling Machine (SSM) is a type of neural network model that considers biological unreliability of the synapses.

Edge-computing

Binary Weighted Memristive Analog Deep Neural Network for Near-Sensor Edge Processing

no code implementations2 Aug 2018 Olga Krestinskaya, Alex Pappachen James

The memristive crossbar aims to implement analog weighted neural network, however, the realistic implementation of such crossbar arrays is not possible due to limited switching states of memristive devices.

Approximate Probabilistic Neural Networks with Gated Threshold Logic

no code implementations2 Aug 2018 Olga Krestinskaya, Alex Pappachen James

Probabilistic Neural Network (PNN) is a feed-forward artificial neural network developed for solving classification problems.

General Classification Quantization

Neuro-memristive Circuits for Edge Computing: A review

no code implementations1 Jul 2018 Olga Krestinskaya, Alex Pappachen James, Leon O. Chua

The volume, veracity, variability, and velocity of data produced from the ever-increasing network of sensors connected to Internet pose challenges for power management, scalability, and sustainability of cloud computing infrastructure.

Cloud Computing Edge-computing +1

Hierarchical Temporal Memory using Memristor Networks: A Survey

no code implementations8 May 2018 Olga Krestinskaya, Irina Dolzhikova, Alex Pappachen James

This paper presents a survey of the currently available hardware designs for implementation of the human cortex inspired algorithm, Hierarchical Temporal Memory (HTM).

Hardware Architecture Emerging Technologies

Neuron inspired data encoding memristive multi-level memory cell

no code implementations14 Mar 2018 Aidana Irmanova, Alex Pappachen James

Mapping neuro-inspired algorithms to sensor backplanes of on-chip hardware require shifting the signal processing from digital to the analog domain, demanding memory technologies beyond conventional CMOS binary storage units.

Feature extraction without learning in an analog Spatial Pooler memristive-CMOS circuit design of Hierarchical Temporal Memory

no code implementations14 Mar 2018 Olga Krestinskaya, Alex Pappachen James

Hierarchical Temporal Memory (HTM) is a neuromorphic algorithm that emulates sparsity, hierarchy and modularity resembling the working principles of neocortex.

Face Recognition

Automated image segmentation for detecting cell spreading for metastasizing assessments of cancer development

no code implementations1 Jan 2018 Sholpan Kauanova, Ivan Vorobjev, Alex Pappachen James

The automated segmentation of cells in microscopic images is an open research problem that has important implications for studies of the developmental and cancer processes based on in vitro models.

Boundary Detection Image Segmentation +2

Quality assessment metrics for edge detection and edge-aware filtering: A tutorial review

no code implementations1 Jan 2018 Diana Sadykova, Alex Pappachen James

The quality assessment of edges in an image is an important topic as it helps to benchmark the performance of edge detectors, and edge-aware filters that are used in a wide range of image processing tasks.

Edge Detection SSIM

Facial emotion recognition using min-max similarity classifier

no code implementations1 Jan 2018 Olga Krestinskaya, Alex Pappachen James

In spite of the progress achieved in facial emotion recognition in recent years, the effective and computationally simple feature selection and classification technique for emotion recognition is still an open problem.

Classification Facial Emotion Recognition +3

On-chip Face Recognition System Design with Memristive Hierarchical Temporal Memory

no code implementations24 Sep 2017 Timur Ibrayev, Ulan Myrzakhan, Olga Krestinskaya, Aidana Irmanova, Alex Pappachen James

Hierarchical Temporal Memory is a new machine learning algorithm intended to mimic the working principle of neocortex, part of the human brain, which is responsible for learning, classification, and making predictions.

Emerging Technologies

High Voltage Insulator Surface Evaluation Using Image Processing

no code implementations19 Aug 2017 Damira Pernebayeva, Mehdi Bagheri, Alex Pappachen James

High voltage insulators are widely deployed in power systems to isolate the live- and dead-part of overhead lines as well as to support the power line conductors mechanically.

Vocal Bursts Intensity Prediction

Speech Signal Analysis for the Estimation of Heart Rates Under Different Emotional States

no code implementations12 Aug 2016 Aibek Ryskaliyev, Sanzhar Askaruly, Alex Pappachen James

A non-invasive method for the monitoring of heart activity can help to reduce the deaths caused by heart disorders such as stroke, arrhythmia and heart attack.

Edge Detection for Pattern Recognition: A Survey

no code implementations15 Feb 2016 Alex Pappachen James

This review provides an overview of the literature on the edge detection methods for pattern recognition that inspire from the understanding of human vision.

Edge Detection

Adaptive Digital Scan Variable Pixels

no code implementations22 Jun 2015 Sherin Sugathan, Reshma Scaria, Alex Pappachen James

The square and rectangular shape of the pixels in the digital images for sensing and display purposes introduces several inaccuracies in the representation of digital images.

A Review of Feature and Data Fusion with Medical Images

no code implementations30 May 2015 Alex Pappachen James, Belur Dasarathy

The fusion techniques that utilize multiple feature sets to form new features that are often more robust and contain useful information for future processing are referred to as feature fusion.

Spatial Stimuli Gradient Sketch Model

no code implementations15 Feb 2015 Joshin John Mathew, Alex Pappachen James

The inability of automated edge detection methods inspired from primal sketch models to accurately calculate object edges under the influence of pixel noise is an open problem.

Edge Detection Face Recognition +1

Sparse distributed localized gradient fused features of objects

no code implementations19 Nov 2014 Swathikiran Sudhakarana, Alex Pappachen James

The sparse, hierarchical, and modular processing of natural signals is related to the ability of humans to recognize objects with high accuracy.

Object Object Recognition

Memristive Threshold Logic Circuit Design of Fast Moving Object Detection

no code implementations6 Oct 2014 Akshay Kumar Maan, Dinesh Sasi Kumar, Sherin Sugathan, Alex Pappachen James

Real-time detection of moving objects involves memorisation of features in the template image and their comparison with those in the test image.

Moving Object Detection object-detection

Examplers based image fusion features for face recognition

no code implementations28 Jan 2012 Alex Pappachen James, Sima Dimitrijev

Examplers of a face are formed from multiple gallery images of a person and are used in the process of classification of a test image.

Face Recognition General Classification

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