Dr. Uttam Kumar Majumder
Research Electronics Engineer at Air Force Research Lab
SPIE Involvement:
Conference Program Committee | Author | Instructor
Publications (28)

PROCEEDINGS ARTICLE | May 14, 2018
Proc. SPIE. 10647, Algorithms for Synthetic Aperture Radar Imagery XXV
KEYWORDS: Machine learning, Algorithm development

PROCEEDINGS ARTICLE | May 14, 2018
Proc. SPIE. 10647, Algorithms for Synthetic Aperture Radar Imagery XXV
KEYWORDS: Roads, Synthetic aperture radar

PROCEEDINGS ARTICLE | May 14, 2018
Proc. SPIE. 10630, Cyber Sensing 2018
KEYWORDS: Synthetic aperture radar, Wavelets, Neural networks

PROCEEDINGS ARTICLE | May 14, 2018
Proc. SPIE. 10647, Algorithms for Synthetic Aperture Radar Imagery XXV
KEYWORDS: Synthetic aperture radar, Image quality, Machine learning

PROCEEDINGS ARTICLE | June 6, 2017
Proc. SPIE. 10201, Algorithms for Synthetic Aperture Radar Imagery XXIV
KEYWORDS: Digital image processing, Synthetic aperture radar, Image processing, Neural networks, Image classification, Evolutionary algorithms, Library classification systems, Current controlled current source

PROCEEDINGS ARTICLE | June 6, 2017
Proc. SPIE. 10201, Algorithms for Synthetic Aperture Radar Imagery XXIV
KEYWORDS: Target detection, Detection and tracking algorithms, Synthetic aperture radar, Machine learning, Image classification, Library classification systems, Current controlled current source

Showing 5 of 28 publications
Conference Committee Involvement (11)
Cyber Sensing 2019
14 April 2019 | Baltimore, Maryland, United States
Sensors and Systems for Space Applications XII
14 April 2019 | Baltimore, Maryland, United States
Algorithms for Synthetic Aperture Radar Imagery XXVI
14 April 2019 | Baltimore, Maryland, United States
Algorithms for Synthetic Aperture Radar Imagery XXV
19 April 2018 | Orlando, Florida, United States
Cyber Sensing 2018
17 April 2018 | Orlando, Florida, United States
Showing 5 of 11 published special sections
Course Instructor
SC1245: Machine Learning Techniques for Radio Frequency Object Classification
The focus of this course will be recent research results, technical challenges, and directions of Deep Learning (DL) based object classification using radar data (i.e., Synthetic Aperture Radar / SAR data). First, we will provide a short overview of machine learning (ML) theory. Then we will provide an example and performance of ML algorithm (i.e., DL method) on video imagery. Finally, we will demonstrate algorithmic implementation and performance of DL algorithms on SAR data (a significant portion of the course time). It is evident that significant research efforts have been devoted to applying DL algorithms on video imagery. However, very limited literature can be found on technical challenges and approaches to execute DL algorithms on radio frequency (RF) data. We will present hands-on implementation of DL-based radar object classification using Caffe and/or TensorFlow tools. Unlike passive sensing (i.e., video collections), Radar enables imaging ground objects at far greater standoff distances and all-weather conditions. Existing non-DL based RF object recognition algorithms are less accurate and require impractically large computing resources. With adequate training data, DL enables more accurate, near real-time, and low-power object recognition system development. We will highlight implementations of DL-based (i.e., Convolution Neural Network (CNN)) SAR object recognition algorithms in graphical processing units (GPUs) and energy efficient computing systems. The examples presented will demonstrate acceptable classification accuracy on relevant SAR data. Further, we will discuss special topics of interest on DL-based RF object recognition as requested by the researchers, practitioners, and students.
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