Alex James, PhD

Associate Professor

Accepting PhD Students

  • 804 Citations
  • 15 h-Index
20052020
If you made any changes in Pure these will be visible here soon.

Research Output 2005 2020

Filter
Article
2019

A hybrid memristor–CMOS chip for AI

James, A. P., Jul 1 2019, In : Nature Electronics. 2, 7, p. 268-269 2 p.

Research output: Contribution to journalArticle

Memristors
machine learning
Learning algorithms
learning
central processing units

A Theoretical Analysis of the Peaking Phenomenon in Classification

Zollanvari, A., James, A. P. & Sameni, R., Jan 1 2019, In : Journal of Classification.

Research output: Contribution to journalArticle

Discriminant Analysis
Sample Size
Theoretical Analysis
Classifier
Observation

A Theoretical Analysis of the Peaking Phenomenon in Classification

Zollanvari, A., James, A. P. & Sameni, R., Jan 1 2019, In : Journal of Classification.

Research output: Contribution to journalArticle

Discriminant Analysis
Sample Size
Theoretical Analysis
Classifier
Observation

Temporal G-Neighbor Filtering for Analog Domain Noise Reduction in Astronomical Videos

Aliakhmet, K. & James, A. P., May 1 2019, In : IEEE Transactions on Circuits and Systems II: Express Briefs. 66, 5, p. 868-872 5 p., 8675508.

Research output: Contribution to journalArticle

Impulse noise
Noise abatement
Pixels
Networks (circuits)
Signal to noise ratio
2018
19 Citations (Scopus)

A memristor-based long short term memory circuit

Smagulova, K., Krestinskaya, O. & James, A. P., Apr 2 2018, (Accepted/In press) In : Analog Integrated Circuits and Signal Processing. p. 1-6 6 p.

Research output: Contribution to journalArticle

Memristors
Networks (circuits)
Hardware
Processing
Threshold logic
1 Citation (Scopus)

ANFIS based quadrotor drone altitude control implementation on Raspberry Pi platform

Dorzhigulov, A., Bissengaliuly, B., Spencer, B. F., Kim, J. & James, A. P., Mar 12 2018, (Accepted/In press) In : Analog Integrated Circuits and Signal Processing. p. 1-11 11 p.

Research output: Contribution to journalArticle

Altitude control
Controllers
Fuzzy inference
Unmanned aerial vehicles (UAV)
Kinematics
23 Citations (Scopus)

Bit-plane Extracted Moving-object Detection using Memristive Crossbar-CAM Arrays for Edge Computing Image Devices

Dastanova, N., Duisenbay, S., Krestinskaya, O. & James, A. P., Mar 30 2018, (Accepted/In press) In : IEEE Access.

Research output: Contribution to journalArticle

Data storage equipment
Threshold logic
Logic gates
Binary images
Image sensors

Diffusion sensitivity enhancement filter for raw DWIs

Mathew, J. J., James Pappachen, A., Kesavadas, C. & Paul, J. S., Oct 1 2018, In : IET Computer Vision. 12, 7, p. 950-956 7 p.

Research output: Contribution to journalArticle

Diffusion tensor imaging
Image acquisition
Consolidation
Color
Fibers
1 Citation (Scopus)

Engineering the global university rankings: Gold standards, limitations and implications

Mussard, M. & James, A. P., Jan 4 2018, In : IEEE Access. 6, p. 6765-6776 12 p.

Research output: Contribution to journalArticle

Teaching
Students
13 Citations (Scopus)
Feature extraction
Data storage equipment
Networks (circuits)
Face recognition
Computer hardware
4 Citations (Scopus)

Learning in Memristive Neural Network Architectures Using Analog Backpropagation Circuits

Krestinskaya, O., Salama, K. N. & James Pappachen, A., Sep 19 2018, (Accepted/In press) In : IEEE Transactions on Circuits and Systems I: Regular Papers.

Research output: Contribution to journalArticle

Network architecture
Backpropagation
Neural networks
Networks (circuits)
Memristors
1 Citation (Scopus)

Memristive system design for variable pixel G-neighbor denoising filter

Aliakhmet, K., Sadykova, D., Mathew, J. & James, A. P., Jan 1 2018, In : Journal of Intelligent and Fuzzy Systems. 34, 3, p. 1653-1667 15 p.

Research output: Contribution to journalArticle

Denoising
System Design
Similarity Index
Structural Similarity
Circuit Design
16 Citations (Scopus)

Neuron inspired data encoding memristive multi-level memory cell

Irmanova, A. & James, A. P., Mar 19 2018, (Accepted/In press) In : Analog Integrated Circuits and Signal Processing. p. 1-6 6 p.

Research output: Contribution to journalArticle

Neurons
Memristors
Data storage equipment
Analog storage
Signal processing
4 Citations (Scopus)

On-chip face recognition system design with memristive Hierarchical Temporal Memory

Ibrayev, T., Myrzakhan, U., Krestinskaya, O., Irmanova, A. & James, A. P., Jan 1 2018, In : Journal of Intelligent and Fuzzy Systems. 34, 3, p. 1393-1402 10 p.

Research output: Contribution to journalArticle

Face recognition
Face Recognition
System Design
Chip
Systems analysis
2017
Open Access
Computer systems
Data storage equipment
Memory architecture
Networks (circuits)
Face recognition
1 Citation (Scopus)

Edge-Aware Spatial Denoising Filtering Based on a Psychological Model of Stimulus Similarity

Mathew, J., Zollanvari, A. & James, A. P., Aug 27 2017, (Accepted/In press) In : IEEE Access.

Research output: Contribution to journalArticle

Mean square error
Signal to noise ratio
Functional analysis
Noise abatement
Image quality
13 Citations (Scopus)

Hierarchical Temporal Memory Features with Memristor Logic Circuits for Pattern Recognition

Krestinskaya, O., Ibrayev, T. & James, A. P., Aug 31 2017, (Accepted/In press) In : IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems.

Research output: Contribution to journalArticle

Memristors
Logic circuits
Pattern recognition
Data storage equipment
Pixels
16 Citations (Scopus)

HTM Spatial Pooler With Memristor Crossbar Circuits for Sparse Biometric Recognition

James, A. P., Fedorova, I., Ibrayev, T. & Kudithipudi, D., Mar 1 2017, (Accepted/In press) In : IEEE Transactions on Biomedical Circuits and Systems.

Research output: Contribution to journalArticle

Memristors
Biometrics
Face recognition
Speech recognition
Data storage equipment
1 Citation (Scopus)

Recognizing isolated words with minimum distance similarity metric padding

Milacic, M., James, A. P. & Dimitrijev, S., 2017, In : Journal of Intelligent and Fuzzy Systems. 32, 4, p. 2933-2939 7 p.

Research output: Contribution to journalArticle

Minimum Distance
Spectrogram
Metric
Word problem
Speech Signal
2016
4 Citations (Scopus)

An Efficient Method to Estimate the Optimum Regularization Parameter in RLDA

Bakir, D., James Pappachen, A. & Zollanvari, A., 2016, In : Bioinformatics. 7 p.

Research output: Contribution to journalArticle

Regularization Parameter
Discriminant Analysis
Discriminant analysis
Covariance matrix
Sample Size
Edge detection
Pattern recognition
Image understanding
Computer vision
Detectors
42 Citations (Scopus)

A Survey of Memristive Threshold Logic Circuits

Maan, A. K., Jayadevi, D. A. & James, A. P., May 3 2016, In : IEEE Transactions on Neural Networks and Learning Systems.

Research output: Contribution to journalArticle

Threshold logic
Logic circuits
Ferroelectric materials
Pattern recognition
Brain
1 Citation (Scopus)

Threshold logic based low-level vision sparse object features

Thomas, N., Mathew, J. J. & James, A., 2016, In : International Journal of Intelligent Computing and Cybernetics. 9, 4, p. 314-324 11 p.

Research output: Contribution to journalArticle

Threshold logic
Object recognition
Neurons
Feature extraction
Edge detection
2015
21 Citations (Scopus)

Detection and Analysis of Emotion from Speech Signals

Davletcharova, A., Sugathan, S., Abraham, B. & James, A. P., 2015, In : Unknown Journal. 58, p. 91-96 6 p.

Research output: Contribution to journalArticle

Speech processing
Human computer interaction
Classifiers
Experiments
11 Citations (Scopus)

Heart rate monitoring using human speech spectral features

James, A. P., Dec 1 2015, In : Human-centric Computing and Information Sciences. 5, 1, p. 1-12 12 p., 33.

Research output: Contribution to journalArticle

Monitoring
Classifiers
16 Citations (Scopus)

Memristive Threshold Logic Circuit Design of Fast Moving Object Detection

Maan, A. K., Kumar, D. S., Sugathan, S. & James, A. P., Oct 1 2015, In : IEEE Transactions on Very Large Scale Integration (VLSI) Systems. 23, 10, p. 2337-2341 5 p., 6922587.

Research output: Contribution to journalArticle

Threshold logic
Logic design
Pixels
Memristors
Voltage dividers
12 Citations (Scopus)

Memristor pattern recogniser: Isolated speech word recognition

Maan, A. K., James, A. P. & Dimitrijev, S., Aug 20 2015, In : Electronics Letters. 51, 17, p. 1370-1372 3 p.

Research output: Contribution to journalArticle

Memristors
Pattern matching
Hardware
Networks (circuits)
4 Citations (Scopus)

Sparse distributed localized gradient fused features of objects

Sudhakaran, S. & Pappachen James, A., Apr 1 2015, In : Pattern Recognition. 48, 4, p. 1534-1542 9 p.

Research output: Contribution to journalArticle

Object recognition
Processing
Classifiers
3 Citations (Scopus)

Spatial stimuli gradient sketch model

Mathew, J. J. & James, A. P., Sep 1 2015, In : IEEE Signal Processing Letters. 22, 9, p. 1336-1339 4 p., 7045586.

Research output: Contribution to journalArticle

Edge Detection
Edge detection
Gradient
Pixel
Pixels
17 Citations (Scopus)
Threshold logic
Fast Fourier transforms
Networks (circuits)
Logic gates
Operational amplifiers
2014
6 Citations (Scopus)

Discriminative histogram taxonomy features for snake species identification

James, A. P., Mathews, B., Sugathan, S. & Raveendran, D. K., Dec 1 2014, In : Human-centric Computing and Information Sciences. 4, 1, p. 1-11 11 p., 3.

Research output: Contribution to journalArticle

Taxonomies
Tropics
Elevators
Conservation
Classifiers
3 Citations (Scopus)

Edge detection using resistive threshold logic networks with CMOS flash memories

James, A. P., Pachentavida, A. & Sugathan, S., 2014, In : International Journal of Intelligent Computing and Cybernetics. 7, 1, p. 79-94 16 p.

Research output: Contribution to journalArticle

Threshold logic
Flash memory
Edge detection
Threshold voltage
Detectors
303 Citations (Scopus)

Medical image fusion: A survey of the state of the art

James, A. P. & Dasarathy, B. V., 2014, In : Information Fusion. 19, 1, p. 4-19 16 p.

Research output: Contribution to journalArticle

Image fusion
Imaging techniques
Medical imaging
Medical problems
Redundancy

On Design of Memristive Amplifier Circuits

Ibrayev, T., Fedorova, I., Maan, A. K. & James, A. P., 2014, In : Circuits and Systems. 5, 11, p. 265 1 p.

Research output: Contribution to journalArticle

Networks (circuits)
Memristors
MOSFET devices
Energy dissipation
15 Citations (Scopus)

Resistive threshold logic

James, A. P., Francis, L. R. V. J. & Kumar, D. S., Jan 2014, In : IEEE Transactions on Very Large Scale Integration (VLSI) Systems. 22, 1, p. 190-195 6 p., 6409487.

Research output: Contribution to journalArticle

Threshold logic
Logic circuits
Memristors
Operational amplifiers
Electric potential
1 Citation (Scopus)

Special issue on medical image computing and systems

James, A. P., Thiruvenkadam, S., Paul, J. S. & Braun, M., 2014, In : Information Fusion. 19, 1, p. 2-3 2 p.

Research output: Contribution to journalArticle

2013

One-sample face recognition with local similarity decisions

James, A. P., 2013, In : International Journal of Applied Pattern Recognition. 1, 1, p. 61-80 20 p.

Research output: Contribution to journalArticle

2012

Memory Based Machine Intelligence Techniques in VLSI hardware

James, A. P., Jan 28 2012, In : CSI Communications.

Research output: Contribution to journalArticle

Computer hardware
Data storage equipment
Hardware
Artificial intelligence
Processing
16 Citations (Scopus)

Nearest neighbor classifier based on nearest feature decisions

James, A. P. & Dimitrijev, S., Sep 2012, In : Computer Journal. 55, 9, p. 1072-1087 16 p.

Research output: Contribution to journalArticle

Classifiers
Character recognition
Face recognition
Gene expression
13 Citations (Scopus)

Ranked selection of nearest discriminating features

James, A. P. & Dimitrijev, S., Dec 1 2012, In : Human-centric Computing and Information Sciences. 2, 1, p. 1-14 14 p., 12.

Research output: Contribution to journalArticle

Genes
Feature extraction
Experiments
2011

An artificial cellular convolution architecture for real-time image processing

Mahrous, H. & James, AP., 2011, In : ISRN Machine Vision. 2012

Research output: Contribution to journalArticle

Open Access
Convolution
Image processing
Hardware
Hierarchical systems
Field programmable gate arrays (FPGA)
4 Citations (Scopus)

Improving feature selection algorithms using normalised feature histograms

James, A. P. & Maan, A. K., Apr 14 2011, In : Electronics Letters. 47, 8, p. 490-491 2 p.

Research output: Contribution to journalArticle

File
Feature extraction
Classifiers
Microarrays
2010
15 Citations (Scopus)

Cognitive memory network

James, A. P. & Dimitrijev, S., May 13 2010, In : Electronics Letters. 46, 10, p. 677-678 2 p.

Research output: Contribution to journalArticle

Data storage equipment
Character recognition
Electric wiring
Neural networks
Hardware
17 Citations (Scopus)

Inter-image outliers and their application to image classification

Pappachen James, A. & Dimitrijev, S., Dec 2010, In : Pattern Recognition. 43, 12, p. 4101-4112 12 p.

Research output: Contribution to journalArticle

Image classification
Image recognition
Pixels
Template matching
Image processing
2008
16 Citations (Scopus)

Face recognition using local binary decisions

James, A. P. & Dimitrijev, S., 2008, In : IEEE Signal Processing Letters. 15, p. 821-824 4 p.

Research output: Contribution to journalArticle

Face recognition
Face Recognition
Face
Binary
Image Database