Dr. Shubhajit Roy Chowdhury

Welcome To My Homepage Teaching

About me

I am a presently a Lecturer of the Department of Electronics and Telecommunication Engineering of Jadavpur University. I am interested in the field of System on Chip design for Medical Diagnostic Applications. I am also interested in teaching. My subjects of interest are Digital Electronics, Computer Organization and Architecture, VLSI Design, Electronic Design Automation, VLSI Architectures and Embedded Systems. Apart from my research, I have been teaching for the last two years at Jadavpur University and also presently at Bengal Engineering and Science University, Shibpur. I am also associated with the Special Manpower Development Project of Ministry of Communications and Information Technology, implemented at the Department of Electronics and Telecommunication Engineering of Jadavpur University.

Academic Background

B.E. (Gold Medalist) (2004).

M.E. (Gold Medalist) (2006).

Ph.D (Engineering and Technology) (2010).

 

AREAS OF INTEREST:
 Embedded Systems, Biomedical Computing Systems, Artificial Intelligence for Biomedical Applications, Medical Expert Instrumentation, VLSI design (Full Custom and Semi Custom ASIC design and FPGA based system design and implementation), Multi-objective Optimization of Integrated Circuits through Evolutionary Computing and Swarm Intelligence Techniques, Digital Circuits and Logic Families, Computer Organization and Architecture, High Performance Computing Architectures, VLSI circuit design for Artificial Intelligence Applications.   

 

SUBJECTS TAUGHT: 

Analog and Digital VLSI subsystems modeling and design using TSPICE,  Advanced Analog VLSI Design Lab,  VLSI System Design, Electronic Design Automation, Real Time and Embedded Systems, System Softwares, Digital Electronics and Logic Design, Digital Electronics and Logic Design Lab,  VLSI Design, Computer Organisation and Architecture, Computer Organisation Lab, Integrated Circuits Design Lab, Electronic Design Automation ,    Digital Signal Processing Lab, Architectural Design of VLSI Systems,   Real Time and Embedded Systems, Data Structures, Telecommunication Switching 

PAPERS PUBLISHED: 
  1. Journal Papers:
  
  1. S. Roy Chowdhury, H. Saha, “Development of an FPGA based Fuzzy Neural Network System for early diagnosis of critical health condition of a patient”, Computers in Biology and Medicine, Vol. 40, No.2, pp. 190-200, 2010.
 
  1. S. Roy Chowdhury, “FPGA based signal processing: Prospects and Challenges”, Recent Patents on Signal Processing, Vol. 2, pp. 1-5, 2010.
 
  1. N.P. Futane, S. Roy Chowdhury, C. Roy Chowdhury, H. Saha, “ANN based CMOS ASIC  Design for improved temperature drift compensation of piezoresistive micro-machined  high resolution pressure sensor”, Microelectronics Reliability, Vol. 50, No. 2, pp. 282-291, 2010.
 
  1. S. Roy Chowdhury, D. Chakrabarti, H. Saha, “Medical Diagnosis using Adaptive Perceptive Particle Swarm Optimization and its hardware realization using FPGA”, Journal of Medical Systems, Vol. 33, No. 6, pp. 447-465, 2009.
 
  1. S. Roy Chowdhury, D. Mukherjee, H. Saha, “FPGA based Maximum Power Point Tracker of Partially Shaded Solar Photovoltaic Arrays using Modified Adaptive Perceptive Particle Swarm Optimization”, International Journal of Smart Sensing and Intelligent Systems, Vol. 2 No. 4, pp. 661-675, 2009.
 
  1. S. Roy Chowdhury, H. Saha, “A high performance FPGA based Fuzzy Processor Architecture for medical diagnosis”, IEEE Micro, Vol. 28, No. 5, pp. 38-52, 2008.
 
  1. S. Roy Chowdhury, D. Chakrabarti, H. Saha, “Development of an FPGA based smart diagnostic system for Spirometric Data Processing Applications”, International Journal of Smart Sensing and Intelligent Systems, Vol. 1, No. 4, pp. 985-1018, 2008.
 
  1. S. Roy Chowdhury, A. Banerjee, A. Roy, H. Saha, “A high speed 8 transistor full adder design using novel 3 transistor XOR gate”, International Journal of Electronics, Circuits and Systems, Vol. 2, No. 4, pp. 217-223, 2008.
 
  1. S. Roy Chowdhury, D. Chakrabarti, H. Saha, “FPGA realization of a Smart Processing System for Clinical Diagnostic Applications using Pipelined Datapath Architectures”, Microprocessors and Microsystems, Vol. 32, No. 2, pp. 107-120, 2008.
 
  1. S. Roy Chowdhury, H. Saha, “FPGA based Clinical Diagnostic System using pipelined
      Architectures in the Nios II Soft Core Processor”, Altera Nios II Handbook, Vol. 3, pp.      373-390, 2007. 
  1. S. Roy Chowdhury, H. Saha, “Development of an FPGA based smart embedded system
for rural telediagnostic applications”, IETE Technical Review, Vol. 23 No. 5, pp 295-301, 2006 (National Journal).  
  1. S. Roy Chowdhury, A. Roy, H. Saha, “ASIC design of a digital fuzzy system on chip for medical diagnostic applications”, Journal of Medical Systems, Accepted for publication, 2009.

Conference Papers: 

  1. S. Sharangi, S. Nandi, D. Chakrabarti, S. Roy Chowdhury, “An efficient baseline normalization of Trans-abdominal ECG by 9th order Daubechies Wavelet Decomposition algorithm deployable in Telecardiological Systems”, 5th International Conference on Telemedicine, Pune, November 6-8, 2009.
 
  1. S. Roy Chowdhury, H. Saha, “FPGA based Fuzzy Processing System for advance detection of Obstructive and Restrictive Pulmonary Disorders”, IEEE VLSI Design and Test Symposium, Bangalore, July 8-10, 2009.
 
  1. N.P. Futane, S. Roy Chowdhury, C. Roychoudhuri, H. Saha, “CMOS Analog ASIC Design of Inverse Delayed function model of a neuron for ANN”, IEEE VLSI Design and Test Symposium, Bangalore, July 8-10, 2009.
 
  1. N.P. Futane, S. Roy Chowdhury, P. Bhattacharyya, S. Pahari, H. Saha,  “CMOS linearized ASIC for nanocrystalline ZnO based MEMS gas sensors”, International Workshop on Tailor-Made Nanomaterials and Applications for Chemical and Biosensors, 2-3 March 2009, India.
 
  1. S. Roy Chowdhury, H. Saha, “Maximum Powerpoint Tracking of Solar Photovoltaic Arrays using Adaptive Perceptive Particle Swarm Optimization Technique”, 18th Photovoltaic Science Exhibition and Conference, PVSEC 18, Kolkata, January 19-23, 2009.
 
  1. S. Roy Chowdhury, H. Saha, “Low power high speed floating point coprocessor design using Clock gated Triple Data path Architecture”, FECIIT 2008, ISM Dhanbad, October 13-16, 2008.
 
  1. S. Roy Chowdhury, H. Saha, “Simulation studies on partial shading effects on a Photovoltaic array and its Maximum Power Point Tracking”, MITSNCE 2008, Jaipur, October 18-20, 2008.
 
  1. S. Pani, H. Saha, S. Roy Chowdhury, “Performance enhancement in the Associative Processing of Floating Point Numbers using Multicore Superscalar Architecture”, IEEE TENCON 2008, Hyderabad, November 18-21, 2008.
 
  1. S. Roy Chowdhury, A. Banerjee, A. Roy, H. Saha, “Design, Simulation and Testing of a High Performance 15-4 Compressor”, IEEE VLSI Design and Test Symposium 2008, July 23-26, Bangalore, 2008.
 
  1. S. Roy Chowdhury, A. Banerjee, A. Roy, H. Saha, “Design, Simulation and Testing of a High Speed Low Power 15-4 Compressor for High Speed Multiplication Applications”, IEEE ICETET 2008, July 16-18, 2008.
 
  1. S. Roy Chowdhury, A. Biswas, R. Chowdhury, “Design, Simulation and Testing of an Optimized Fuzzy Neural Network for Early Criticality Diagnosis”, IEEE ICETET 2008, July 16-18, 2008.
 
  1. S. Roy Chowdhury, A. Banerjee, A. Roy, H. Saha, “Design of High Performance Low Power 16 Bit Arithmetic Units Using Kogge-Stone Parallel Prefix Adder Architectures”, IEEE SPIT Colloquium, Mumbai, February 4-5, 2008.
 
  1. A. Banerjee, A.Roy, S. Roy Chowdhury, U.K. Garapati, A. Kundu, H. Saha, “A Novel Approach to automated design of IC layout masks for linear and non-linear structures using LASI”, IEEE SPIT Colloquium, Mumbai, February 4-5, 2008.
 
  1. S. Roy Chowdhury, H. Saha, “Development of an FPGA based Smart Computing System for Clinical Diagnostic Applications with On-board Wireless Communication facility for remote transmission of critical patient data”, IEEE VLSI Design and Test Symposium, Kolkata, August 8-11, 2007.
 
  1. N.P. Futane, S. Roy Chowdhury, H. Saha, “Design and Simulation of a CMOS Instrumentation Amplifier for signal conditioning of MEMS based Piezoresistive low Pressure Sensor”, IEEE VLSI Design and Test Symposium, Kolkata, August 8-11, 2007.
 
  1. S. Roy Chowdhury, H. Saha, “Development of an FPGA based Smart Clinical Diagnostic System with fast computing facility using Pipelined Data Processing Architectures”, International Conference on Intelligent systems and Networks 2007, Jagadhri, Haryana, February 23-25, 2007.
 
  1. S. Roy Chowdhury, S.R. Bhadra Chaudhury, M. Maitra, “ASIC design of a 1Gbit/S low power photoreceiver using 0.3mm CMOS technology”, National Conference on Electronic Systems and Informatics, Mumbai, January 4-7, 2007.
  
  1. S. Roy Chowdhury, S. Das, T. Islam, H. Saha, “ASIC design of an ANN for the Temperature and Drift Compensation of a Humidity Sensor”, International Conference on Computers and Devices for Communication 2006, Kolkata, December 18-20, 2006.
 
  1. S. Roy Chowdhury, H. Saha, “Development of an FPGA based artificial diagnostic system and estimation of its reliability”, Indian Conference on Medical Informatics and Telemedicine 2006, IIT Kharagpur, December 18-20, 2006.
 
  1. S. Roy Chowdhury, H. Saha, “Development of an FPGA based smart embedded system for rural telediagnostic applications”, Symposium on Information Communication Technology Initiative for Rural Development 2006, Kolkata, April 07-09, 2006.
 
  1. S. Roy Chowdhury, H. Saha, “VHDL Modeling and FPGA based implementation of an artificial telediagnostic system”, IEE-CSI International Conference on emerging areas of Information Technology 2006, Kolkata, February 10-11, 2006 (Winner of Best Paper Award).
 
  1. S. Roy Chowdhury, H. Saha, “VHDL Model of a Cognitive System for Telemedicine Applications”, IEEE VLSI Design and Test Symposium, Bangalore, August 10-13, 2005.
 
  1. S. Roy Chowdhury, H. Saha, “Design of a Cognitive Ad hoc Network for Embedded Telemedicine Applications”, Asia South Pacific International Conference on Embedded Systems, IISc Bangalore, July 5-7, 2005.
 
  1. P. Bhattacharyya, S. Roy Chowdhury, S. Boral, P. Mukherjee, P.K. Dutta, S. Chakrabarti, H. Saha, “Wireless Communication in the Mines”, Emerging Futuristic Communication System Symposium, IISc Bangalore, April 29 – May 1, 2005.
 
  1. S. Roy Chowdhury, S. Neogi, S. Chakrabarti, H. Saha,  “Design of an Ad hoc Network for Cognitive Telemedicine Applications”, Emerging Futuristic Communication System Symposium, IISc Bangalore, April 29 – May 1, 2005.
 
  1. S. Neogi, S. Roy Chowdhury, “A Bio-signal Processing System: Application of Information Technology in Health Care Monitoring”, National Students’ Conference on Information Technology, Pokhara, Nepal, May 22-23, 2005.
 
  1. S. Roy Chowdhury, S. Neogi, “Application of Information Technology in Remote Health Monitoring using Cognitive Telemedicine Networks”, National Students’ Conference on Information Technology, Pokhara, Nepal, May 22-23, 2005
 
  1. S. Roy Chowdhury, C.Pramanik, H.Saha , “ASIC Design of the linearisation circuit of a PTC thermistor”, IEEE International Conference on VLSI Design and Embedded Systems, Kolkata, January 3-7, 2005.
    M.TECH THESIS GUIDED: 
  1. “Associative Processing of Floating Point Numbers using Multi-core Superscalar and VLIW architectures”, Subhagya Pani, 2008.
  2. “Modeling and simulation of an Embedded System for the separation of a mixture of vapors using Genetic Algorithm”, Krittibas Parai, 2009.

PATENT FILED:  Ø      S. Roy Chowdhury, H. Saha, “A novel system capable of giving advance information regarding approaching critical condition of a patient”, Indian Patent Application no. 593/KOL/2008 dated 25-03-2008.     

 

ORGANISATIONAL MEMBERSHIP:     Member of the VLSI Society of India and  Life Member of the Indian Statistical Institute, Indian Microelectronics Society and Telemedicine Society of India.

 

LANGUAGES KNOWN: English, Bengali and Hindi.   

 

HOBBIES AND EXTRA CURRICULAR ACTIVITIES:   Ø      Interested in music, painting, browsing research publications and interacting with people. 

Ø      Certified by “Save A Life Foundation Of India” (Indian Chapter of SALF International, USA) for having successfully undertaken the training programme on Cardio-Pulmonary Resuscitation under the guidance of eminent cardiologist Dr. Rabin Bhattacharya in the year 1998.

Ø      Sangeet Bhusan in Rabindrasangeet from Chandigarh University.Ø      Junior Diploma in Painting from Rabindrabharati University.  

AWARDS, HONORS AND RECOGNITION:

Ø      Winner of 2nd Prize in Saibal Roy Memorial Science Talent Examination in the year 1997. Ø      Winner of third prize in state level technical essay competition organized by Regional Computer Centre, Kolkata in the year 1997. Ø      Winner of National Scholarship for securing ranks in the first 100 in Madhyamik Examination in the year 1998. Ø      Winner of National Scholarship for securing rank in the first 100 in Higher Secondary Examination in the year 2000. Ø      Winner of University Gold Medal for ranking first in B.E. (Hons.)  in the year 2004. Ø      Winner of Special Award in the Paper Presentation Contest at the IETE Conference in Kolkata in 2004. Ø      Winner of Best Paper Award for presenting a paper on “VHDL Modeling and FPGA based implementation of an artificial telediagnostic system” at IEE CSI-EAIT 2006 in Kolkata in February 2006. Ø      Winner of University Gold Medal for ranking first in M.E.  in the year 2006. Ø      Winner of Third Prize in Altera’s Nios II Soft Core Embedded Processor Design Contest 2007 organized on a worldwide basis. Ø      Project proposal selected amongst the best five project proposals in India by Texas Instruments for Texas Instruments Students’ Analog Design Contest organized on an All India basis in the year 2009. Ø      Elected as a member of Scientific, Technical and Editorial Committee of Natural and Engineering Sciences Division, World Academy of Engineering, Science and Technology, France in the year 2009. Ø      Reviewer of IEEE Transactions on VLSI Systems from the year 2009. Ø      Reviewer of Journal of Medical Systems from the year 2010.

 

ORGANISATIONAL MEMBERSHIP: Ø      Member of the VLSI Society of India (Membership No. 1658). Ø      Life Member of the Indian Statistical Institute (Membership No. L-8870). Ø      Life Member of the Indian Microelectronics Society (Membership No. LM-367). Ø      Life Member of the Telemedicine Society of India (Membership No. LM-0051). 

Contact Information:

IC Design and Fabrication Centre,

Department of Electronics and Telecommunication Engineering,

Jadavpur University,

Kolkata-700032

Phone: 033 24146217