Contents



Teaching Assignments

Multimedia Technology

Advanced Graphics & Animation



Research

Publications

Collaborative Research

Masters Theses Guided

Media Datasets

Resources



Miscellaneous

Invited Lectures

Academic Administration

Dr. Ranjan Parekh

School of Education Technology
Jupiter Building
Jadavpur University *

188, Raja Subodh Chandra Mullick Road
Calcutta 700032, India.

Phone : +91-33-24572964
Fax :     +91-33-24146723
Email : rparekh.edutech@jadavpuruniversity.in, ranjan_parekh@yahoo.com
Website : www.rp.setju.ac.in

* Jadavpur University has been consistently ranked among the top institutions of the country :


Teaching Assignments


Applicable Courses

Multimedia Technology

Overview
  • Characteristics of multimedia presentations
  • Hardware requirements
  • Software requirements
  • Stages of multimedia production
  • Uses and applications
Introduction
  • Waves
  • Elementary & composite waves
  • Wave analysis
  • Simple harmonic motion
  • Temporal & spatial waves
  • Progressive waves
  • Digitization
  • Nyquist theorem
  • Quantization error
Text
  • ASCII
  • Unicode
  • Font
  • Hypertext
  • Text compression
  • Text file formats
Visual Display Systems
  • Cathode ray tubes (CRT)
  • Raster pattern and interlacing
  • Monitor specifications
  • Video adapter card & cable
  • Accelerated graphics port (AGP)
  • Liquid crystal displays (LCD)
  • Plasma display panels (PDP)
Image
  • Concept of Pixels
  • Scanner & Digital camera
  • TWAIN interface
  • Image processing & MATLAB
  • Arithmetic and Logic operations
  • Convolution and Correlation
  • Affine transformation
  • Morphological operations
  • Edge detection operators
  • Intensity transformations
  • Histogram Processing
  • Frequency domain transform and DFT
  • Noise and Filtering
  • Color and Chromacity Diagram
  • Color Models : RGB, CMYK, HSV, Lab
  • Image conversions : color, greyscale, binary, indexed mode
  • Color Model Conversions : RGB-CMY, RGB-HSV, RGB-XYZ, Lab-XYZ
  • Color Management and ICC files
  • Display Considerations and Gamma correction
  • Print considerations : LASER and inkjet printers
  • Image file formats
  • Image editing software
Audio
  • Basics
  • Sound waves
  • Tone and Note
  • Hearing threshold
  • Audio components : microphone, amplifier, speaker
  • Synthesizer and MIDI
  • Sound card
  • Digital audio
  • Uniform and non-uniform filters
  • High pass and low pass filters
  • Window functions
  • Linear predictive coding (LPC)
  • Frequency domain transform and DFT
  • Audio file formats
  • Audio editing software
Video
  • Basics
  • Analog video camera
  • Analog video transmission : composite, component, S-video
  • Color perception curve
  • Luma chroma signals (YC)
  • Chroma sub-sampling
  • Digital video on PC
  • Digital camera
  • Digital video transmission : IEEE-1394, DVI, HDMI, SDI
  • TV standards : NTSC, PAL, SECAM, SDTV, HDTV
  • Timebase and SMPTE Timecode (non-drop and drop modes)
  • Video file formats
  • Video editing software
CD-Technology
  • Construction
  • Working principles
  • CAV and CLV
  • X-rated speed
  • CD formats : CD-DA, CD-ROM, CD-i, CD-ROM/XA, Photo-CD, Video-CD, CD-R, CD-RW
  • Magneto optical disc (MO)
  • DVD vs. CD
  • DVD variants
  • DVD formats
Compression
  • CODEC
  • Lossless and lossy compression
  • Types of redundancies
  • Compression performance measurements
  • Variable length encoding
  • Entropy
  • Run length encoding
  • Differential encoding : DPCM, ADPCM, delta modulation
  • Dictionary encoding : Lempel Ziv (LZ), Lempel-Ziv-Welsh (LZW)
  • Statistical encoding : Shanon-Fano, Huffman, arithmetic
  • Transform encoding : discrete Fourier transform (DFT), discrete cosine transform (DCT), 2D-DCT
  • Image compression : GIF and JPEG
  • Audio compression : minimum threshold curve, masking, MPEG-1, MPEG-2, MP3
  • Video compression : frame differencing, motion estimation, MPEG-1, MPEG-2, H.261
Research Issues
  • Introduction : non-textual information search, drawbacks of text annotations, applications
  • Content Based Storage and Retrieval (CBSR) : structural components, desirable properties
  • Pre-processing : segmentation, noise removal, tonal corrections, standardizations
  • Image Color Features : color quantization, global & local histogram, color signature, color correlogram
  • Image Texture Features : grey level co-occurrence matrix (GLCM), discrete wavelet transform (DWT)
  • Image Shape Features : shape signature, turning angle, centroid radii, invariant moments
  • Audio Features : energy, silence ratio, spectral centroid, harmonicity, zero crossing rate, formants, cepstrum
  • Video Features : frame, cut, shot identification, shot representation, comparing video sequences
  • Classification : clustering, vector distances, k-means, k-nearest neighbour, neuron, perceptron, neural network
  • Performance indicator : confusion matrix, accuracy, precision, recall
  • Semantic Features : low-level vs. high-level features, layered approach
Multimedia Lab
  • Image editing : Photoshop
  • Audio editing : Sound Forge
  • Video editing : Premiere
References
  1. Fred Halsall, "Multimedia Communications : Applications, Networks, Protocols and Standards", Pearson Education Ltd., 2001.
  2. Francois Fluckiger, "Understanding Networked Multimedia : Applications and Technology", Prentice Hall, 1995.
  3. Prabhat K Andleigh, Kiran Thakrar, "Multimedia System Design", Prentice Hall, 1996
  4. Ralf Steinmetz, Klara Nahrstedt, "Multimedia Computing, Communications and Applications", Prentice Hall, 1995
  5. Nalin Sharda, "Multimedia Information Networking", Prentice Hall, 1999.
  6. R. Parekh, "Principles of Multimedia", 2/e, Tata McGraw Hill, 2012.

Advanced Graphics & Animation

Splines
  • Linear Splines : 2 points, point-slope, parametric
  • Quadratic Splines : 3 points, parametric
  • Cubic Splines : 4 points, parametric
  • Spline Properties : Blending functions (BF), Critical points
  • Piecewise Splines : C0, C1 and C2 continuity conditions, parametric forms
  • Hermite Spline
  • Catmull-Rom Spline
  • Cardinal Spline
  • Bezier Spline and its sub-divisions
  • Spline Conversions
  • B-Spline : knot vectors, control points, linear, non-uniform, open-uniform, rational, NURBS
  • Basis Matrix of splines
Vectors, Data Structures and Fractals
  • Vector operations and components
  • Dot product and cross product
  • Direction cosines
  • Projection
  • Vector equations of lines, planes
  • QuadTree and OcTree
  • Fractals and Fractal Dimensions
3D Graphics
  • Homogeneous coordinates
  • Translation
  • Scaling
  • Rotation
  • Reflection
  • Shear
  • Projection
  • Modeling
  • Surface Properties
  • Lights
  • Camera
  • Graphics file formats
Animation
  • Basics
  • Interpolations
  • Parameter curve editing
  • Hierarchical Animation
  • Inverse Kinematics
  • Motion Paths
  • Time Scaling
  • Camera animation
  • Particle systems
  • Space warps
  • Rendering
  • Ray casting
  • Ray tracing
  • Illumination models
  • Shading models
  • Rendering algorithms
  • Viewing
  • Animation file formats
Advanced Graphics and Animation Lab
  • 2D Animation : Flash
  • 3D Animation : 3D Studio MAX
References
  1. Donald Hearn, M. Pauline Baker, "Computer Graphics", Prentice Hall, 2/e, 1996
  2. J. D. Foley, A. van Dam, S. K. Feiner, J. F. Hughes, "Computer Graphics: Principles and Practice", Addison-Wesley, 2/e, 1995
  3. Suman Chakraborty, "Fundamentals of Computer Graphics", Everest Publishing House, 2010
  4. Curves and Surfaces
  5. Introduction to Computing with Geometry
  6. Working with Vectors
  7. R. Parekh, "Principles of Multimedia", 2/e, Tata McGraw Hill, 2012.

Research


Publications

Google Scholar Citations | Academia | Research Gate | dblp


Book

  1. R. Parekh, Principles of Multimedia (2/e), Tata McGraw Hill, 2012 [ISBN: 1-25-900650-6]


Book Chapters

  1. R. Parekh, "Image Retrieval by Shape", in K. V. Kale (Ed), "Advances in Computer Vision and Information Technology" (ACVIT), Part-VI, chapter 34, pp. 874-883, I. K. International Pvt. Ltd., 2007. [ISBN: 978-81-89866-74-7]

  2. R. Parekh, "Image Retrieval by Color and Texture", in K. V. Kale (Ed), "Advances in Computer Vision and Information Technology" (ACVIT), Part-VI, chapter 35, pp. 884-893, I. K. International Pvt. Ltd., 2007. [ISBN: 978-81-89866-74-7]

  3. R. Parekh, N. Sharda, "Abstractions in Intelligent Multimedia Databases: Application of Layered Architecture and Visual Keywords for Intelligent Search", in Li Yan, Zongmin Ma (Eds.), "Intelligent Multimedia Databases and Information Retrieval: Advancing Applications and Technologies" (IMDIR), chapter 12, pp. 195-220, IGI Global, 2011 [ISBN: 978-1-6135-0126-9]

  4. J. Chaki, R. Parekh, "Automatic Classification of Echo-Cardiography Images using Texture Analysis Methods", in Borko Furht, Ankur Agarwal (Eds.), "Handbook of Medical and Healthcare Technologies" (HMHT), chapter 5, pp. 121-143, Springer, 2013 [ISBN : 978-1-4614-8494-3]


Research Articles in Conference Proceedings

  1. M. K. Bandopadhyay, R. Parekh, "Template for Generation of Question Answer Session", in Proc. of All India Seminar on IT Enabled Services 2002, Kolkata, pp. 95-98, April 26-27, 2002.

  2. R. Parekh, "A Scripting Solution for Modelling Distributed Synchronized Multimedia Presentations", in Proc. of 6th Int. Conf. on Information Technology (CIT '03), Bhubaneshwar, pp. 522-523, December 22-25, 2003. [ISBN: 81-7764-558-7]

  3. R. Parekh, "Multimedia Authoring for E-Learning Applications", in Proc. of European Distance Education Network Annual Conf. (EDEN '04), Budapest, Hungary, pp. 416-421, June 16-19, 2004. [ISBN: 963-216-052-5]

  4. R. Parekh, "Content Searching for E-Learning Applications", in Proc. of 3rd Int. Conf. on Information Technology : Research and Education (ITRE '05), Hsinchu, Taiwan, pp. 45 - 49, June 27-30, 2005. [ISBN: 0-7803-8933-6]

  5. S. Naskar, R. Parekh, "A Content based Shape Retrieval System", in Proc. of 48th Int. Midwest Symposium on Circuits and Systems (MWSCAS '05), Cincinnati, Ohio, USA, pp. 1745-1748, August 7-10, 2005. [ISBN: 0-7803-9197-7]

  6. R. Parekh, "Towards an Architecture of an Image Database", in Proc. of 9th Int. Conf. on Information Technology (ICIT '06), Bhubaneshwar, pp. 243-244, December 18-21, 2006. [ISBN: 0-7695-2635-7]

  7. R. Parekh, "Segmentation and Comparison of Digital Video", in Proc. of 2nd Int. Conf. on Embedded Systems, Mobile Communication and Computing (ICEMC2 '07), Bangalore, India, August 03-05, 2007. [ISSN: 0973-208X]

  8. R. Parekh, "Semantic Characterization of Visual Media", in Proc. of 2nd Int. Conf. on Embedded Systems, Mobile Communication and Computing (ICEMC2 '07), Bangalore, India, August 03-05, 2007. [ISSN: 0973-208X]

  9. R. Parekh, "Classification of Environmental Sounds", in Proc. of 2nd Int. Conf. on Embedded Systems, Mobile Communication and Computing (ICEMC2 '07), Bangalore, India, August 03-05, 2007. [ISSN: 0973-208X]

  10. R. Parekh, "Image Retrieval by Shape", in Proc. of Int. Conf. of Advances in Computer Vision and Information Technology (ACVIT 07), Aurangabad, India, pp. 874-883, November 28-30, 2007.

  11. R. Parekh, "Image Retrieval by Color and Texture", in Proc. of Int. Conf. of Advances in Computer Vision and Information Technology (ACVIT 07), Aurangabad, India, pp. 884-893, November 28-30, 2007.

  12. A. Mukherjee, R. Parekh, "Multimedia Applications for Health Diagnosis in Telemedicine", in Proc. of 5th Int. Conf. on Health Care Systems (ICHCS 08), Milwaukee, Wisconsin, USA, October 13-15, 2008.

  13. A. Mukherjee, R. Parekh, "Advances in Telemedicine: A Multimedia-Based Texture Recognition Diagnostic System", in Proc. of Business and Health Administration Association Int. Conf. (BHAA 09) , Chicago, Illinois, USA, pp. 88-97, March 18-20, 2009. (Best Paper Award)

  14. A. Chowdhury, R. Parekh, "Designing an Improved Thinning Algorithm", in Proc. of 12th Int. Conf. on Information Technology (ICIT '09), Bhubaneshwar, India, pp. 162-167, December 21-24, 2009. [ISBN-13: 978-0-07-068014-2]

  15. A. Munshi, R. Parekh, "Skin Texture Recognition for Medical Diagnosis", in Proc. of Int. Conf. on Modeling, Optimization and Computing (ICMOC '10), vol. 1298, pp. 577-583, Durgapur, India, October 28-30, 2010 [ISBN: 978-0-7354-0854-8]

  16. K. Hossain, R. Parekh, "Extending GLCM to include Color Information for Texture Recognition", in Proc. of Int. Conf. on Modeling, Optimization and Computing (ICMOC '10), vol. 1298, pp. 583-588, Durgapur, India, October 28-30, 2010 [ISBN: 978-0-7354-0854-8]

  17. S. Das, R. Parekh, "Automated Classification of Disease Patterns from Echo-cardiography Images based on Shape Features of Left Ventricle", in Proc. of Int. Conf. on Modeling, Optimization and Computing (ICMOC '10), vol. 1298, pp. 571-576, Durgapur, India, October 28-30, 2010 [ISBN: 978-0-7354-0854-8]

  18. M. Naskar, R. Parekh, "Texture Recognition in Images using Wavelets", in Proc. of Int. Conf. on Scientific Paradigm Shift in Information Technology & Management (SPSITM '11), Kolkata, India, pp. 113-117, January 5 - 6, 2011

  19. N. Bhattacharjee, R. Parekh, "Skin Texture Analysis for Medical Diagnosis", in Proc. of Int. Conf. on Communication, Computing & Security (ICCCS '11), Rourkela, Orissa, India, pp. 301-306, February 12 - 14, 2011. [ISBN: 978-1-4503-0464-1]

  20. S. Roy, R. Parekh, "A Secure Keyless Image Steganography Approach for Lossless RGB Images", in Proc. of Int. Conf. on Communication, Computing & Security (ICCCS '11), Rourkela, Orissa, India, pp. 573-576, February 12 - 14, 2011. [ISBN: 978-1-4503-0464-1]

  21. J. Chaki, R. Parekh, S. Bhattacharya, "Plant Leaf Recognition using Ridge Filter and Curvelet Transform with Neuro Fuzzy Classifier", in Proc. of 3rd Int. Conf. on Advanced Computing, Networking, and Informatics (ICACNI '15), Bhubaneshwar, Orissa, India, pp. 37-44, June 23-25, 2015.

  22. J. Chaki, R. Parekh, S. Bhattacharya, "Recognition of whole and deformed plant leaves using statistical shape features and neuro-fuzzy classifier", in Proc. of 2nd IEEE Int. Conf. on Recent Trends in Information Systems (ReTIS '15), Kolkata, India, pp. 189-194, July 9-11, 2015. [ISBN : 978-1-4799-8348-3]

  23. J. Chaki, R. Parekh, S. Bhattacharya, "Plant leaf recognition using a layered approach", in Proc. of IEEE Int. Conf. on Microelectronics, Computing and Communication (MicroCom '16), Durgapur, India, pp. 1-6, Jan. 23-25, 2016. [DOI : 10.1109/MicroCom.2016.7522541]

  24. J. Chaki, R. Parekh, S. Bhattacharya, "Recognition of plant leaves with major fragmentations", in Proc. of Int. Conf. on Computational Science and Engineering (ICCSE '16), Kolkata, India, pp. 111116, Oct. 04-06, 2016. [ISBN : 978-1-138-02983-5] [DOI: https://doi.org/10.1201/9781315375021-22]

  25. K. Hossain, R. Parekh, "An Approach Towards Image, Audio and Video Steganography", in Proc. of 2nd IEEE Int. Conf. on Research in Computational Intelligence and Communication Networks (ICRCICN '16), Kolkata, India, pp. , Sep. 23-25, 2016. [ISBN : 978-1-5090-1047-9, DOI : https://doi.org/10.1109/ICRCICN.2016.7813675]

  26. S. Jana, R. Parekh, "Shape-based Fruit Recognition and Classification", in Proc. of Computational Intelligence, Communications, and Business Analytics (CICBA '17), Kolkata, India, pp. 184-196, March 24-25, 2017. [ISBN : 978-981-10-6430-2, DOI : https://doi.org/10.1007/978-981-10-6430-2_15]

  27. J. Chaki, R. Parekh, S. Bhattacharya, "An efficient fragmented plant leaf classification using Color Edge Directivity Descriptor", in Proc. of Computational Intelligence, Communications, and Business Analytics (CICBA '17), Kolkata, India, pp. 197-211, March 24-25, 2017. [ISBN : 978-981-10-6430-2, DOI : https://doi.org/10.1007/978-981-10-6430-2_16]

  28. S. Basak, S. Jana, R. Parekh, "Automatic Fruit Recognition from Natural Images using Color and Texture Features", in Proc. of Devices for Integrated Circuit (DevIC '17), Kalyani, India, pp. 620-624, March 23-24, 2017. [ISBN : 978-1-5090-4724-6, DOI : 10.1109/DEVIC.2017.8074025]

  29. A. Lodh, R. Parekh, "Flower Recognition System based on Color and GIST Features", in Proc. of Devices for Integrated Circuit (DevIC '17), Kalyani, India, pp. 790-794, March 23-24, 2017. [ISBN : 978-1-5090-4724-6, DOI : 10.1109/DEVIC.2017.8074061]

  30. S. Chakraborty, R. Parekh, "An Improved Approach to Open Set Text Independent Speaker Identification (OSTI-SI)", in Proc. of 3rd IEEE Int. Conf. on Research in Computational Intelligence and Communication Networks (ICRCICN '17), Kolkata, India, pp. 51-56, Nov. 03-05, 2017. [ISBN : 978-1-5386-1931-5]

  31. K.Hossian, S. Jana, S. Mukherjee, R. Parekh, "A Novel Approach to Secure Biomedical Images and Videos for Transmission", in Proc. of 3rd IEEE Int. Conf. on Research in Computational Intelligence and Communication Networks (ICRCICN '17), Kolkata, India, pp. 120-125, Nov. 03-05, 2017. [ISBN : 978-1-5386-1931-5]

  32. K.Hossian, S. Jana, S. Mukherjee, R. Parekh, "Secured Transmission of Sensitive Images of Skin Diseases Using Steganography and Cryptography", in Proc. of IEEE Calcutta Conference (CALCON 2017), Dec. 02-03, 2017, Kolkata [ISBN : 978-1-5386-3745-6]


Research Articles in Journals

  1. R. Parekh, "Multimedia Authoring : Problems and Prospects", J. of The Institution of Engineers (India), Computer Engineering Division, vol. 87, no. 6, pp. 32-37, November 28, 2006. [ISSN: 0971-0469]

  2. R. Parekh, "Towards the Next Generation Multimedia Presentation", Propagation : A Journal of Science Communication (NCSM), vol. 2, no. 1, pp. 23-37, January 2011. [ISSN: 0976-1012]

  3. A. K. Mittra, R. Parekh, "Automated Detection of Skin Diseases using Texture Features", Int. J. of Engineering Science and Technology (IJEST), vol. 3, no. 6, pp. 4801-4808, June 2011. [ISSN: 09755462]

  4. D. Debnath, R. Parekh, "Content based Image Retrieval using Directional Color Correlograms", Int. J. of Engineering Science and Technology (IJEST), vol. 3, no. 6, pp. 4908-4913, June 2011. [ISSN: 09755462]

  5. D. Paul, R. Parekh, "Automated Speech Recognition of Isolated Words using Neural Networks", Int. J. of Engineering Science and Technology (IJEST), vol. 3, no. 6, pp. 4993-5000, June 2011. [ISSN: 09755462]

  6. S. Saha, R. Parekh, "Recognition of Handwritten Characters based on WRDEF and Neural Network Classifiers", Int. J. of Engineering Science and Technology (IJEST), vol. 3, no. 6, pp. 5081-5089, June 2011. [ISSN: 09755462]

  7. R. Parekh, "Automated Discrimination of Digital Audio", Int. J. of Engineering Research and Applications" (IJERA), vol. 1, no. 3, pp. 671-676, September 2011 [ISSN: 2248-9622]

  8. R. Parekh, "Improving Texture Recognition using Combined GLCM and Wavelet Features", Int. J. of Computer Applications" (IJCA), vol. 29, no. 10, pp. 41-46, September 2011 [ISSN: 0975-8887]

  9. J. Chaki, R. Parekh, "Plant Leaf Recognition using Shape based Features and Neural Network classifiers", Int. J. of Advanced Computer Science and Applications (IJACSA), vol. 2, no. 10, pp. 41-47, November 2011 [ISSN: 2156-5570]

  10. J. Chaki, R. Parekh, "Designing an Automated System for Plant Leaf Recognition", Int. J. of Advances in Engineering & Technology (IJAET), vol. 2, no. 1, pp. 149-158, January 2012 [ISSN: 2231-1963]

  11. R. Parekh, "Designing an Automated System for Medical Diagnosis", Propagation : A Journal of Science Communication (NCSM), vol. 3, no. 1, pp. 57-64, January 2012 [ISSN: 0976-1012]

  12. M. Biswas, R. Parekh, "Character Recognition using Dynamic Windows", Int. J. of Computer Applications" (IJCA), vol. 41, no. 15, pp. 47-52, March 2012 [ISSN: 0975-8887]

  13. R. Parekh, "Using Texture Analysis for Medical Diagnosis", IEEE Multimedia, vol. 19, no. 2, pp. 28-37, April 2012 [ISSN: 1070-986X]

  14. A. Das, R. Parekh, "Iris Recognition using a Scalar based Template in Eigen-space", Int. J. of Computer Science and Telecommunications (IJCST), vol. 3, no. 5, pp. 74-49, May 2012 [ISSN: 2047-3338]

  15. A. Kumar, R. Parekh, "Palmprint Recognition in Eigen-space", Int. J. of Computer Science and Engineering (IJCSE), vol. 4, no. 5, pp. 788-794, May 2012 [ISSN: 0975-3397]

  16. B. P. Das, R. Parekh, "Recognition of Isolated Words using Features based on LPC, MFCC, ZCR and STE, with Neural Network Classifiers", Int. J. of Modern Engineering Research (IJMER), vol. 2, no. 3, pp. 854-858, May 2012 [ISSN: 2249-6645]

  17. A. Das, R. Parekh, "Improved Iris Recognition in 2D Eigen Space", Int. J. of Computer Applications (IJCA), vol. 52, no. 19, pp. 1-6, August 2012 [ISSN: 0975-8887]

  18. J. Chaki, R. Parekh, "Plant Leaf Recognition using Gabor Filter", Int. J. of Computer Applications (IJCA), vol. 56, no. 10, pp. 26-29, October 2012 [ISSN: 0975-8887]

  19. S. Karar, R. Parekh, "Palm Print Recognition using Zernike Moments", Int. J. of Computer Applications (IJCA), vol. 55, no. 16, pp. 15-19, October 2012 [ISSN: 0975-8887]

  20. S. Karar, R. Parekh, "Palmprint Recognition using Phase Symmetry", Int. J. of Scientific and Research Publications (IJSRP), vol. 3, no. 4, pp. 1-6, April 2013 [ISSN: 2250-3153]

  21. P. R. Karmokar, R. Parekh, "Recognition of Semantic Content in Image and Video", Int. J. of Computer Applications (IJCA), vol. 73, no. 15, pp. 31-35, July 2013 [ISSN: 0975-8887]

  22. M. Ghosh, J. Mukherjee, R. Parekh, "Fish Shape Recognition using Multiple Shape Descriptors", Int. J. of Computer Applications (IJCA), vol. 73, no. 16, pp. 14-19, July 2013 [ISSN: 0975-8887]

  23. M. Saha, J. Chaki, R. Parekh, "Fingerprint Recognition using Texture Features" , Int. J. of Science and Research (IJSR), vol. 2, no. 12, pp. 265-270, December 2013 [ISSN: 2319-7064]

  24. K. Hossain, J. Chaki, R. Parekh, "Translation and Retrieval of Image Information to and from Sound", Int. J. of Computer Applications (IJCA), vol. 97, no. 21, pp. 24-29, July 2014 [ISSN: 0975-8887]

  25. J. Chaki, R. Parekh, S. Bhattacharya, "Plant leaf recognition using texture and shape features with neural classifiers", Pattern Recognition Letters (Elsevier), vol. 58, pp. 61-68, June 2015 [ISSN : 0167-8655]

  26. S. Ghosh, R. Parekh, "Rotation and Scale Invariant Automated Logo Recognition System using Moment Invariants and Hough Transform", Int. J. of Science and Research (IJSR), vol. 4, no. 4, pp. 2851-2857, May 2015 [ISSN : 2319-7064]

  27. S. Ghosh, R. Parekh, "Automated Color Logo Recognition System based on Shape and Color Features", Int. J. of Computer Applications (IJCA), vol. 118, no. 12, pp. 13-20, May 2015 [ISSN: 0975-8887]

  28. S. De, R. Parekh, "Illumination and Expression Invariant Automatic Human Face Recognition using Wavelet, Eigen and Fisher Analysis", Int. J. of Computer Applications (IJCA), vol. 117, no. 21, pp. 28-35, May 2015 [ISSN: 0975-8887]

  29. S. Chakraborty, R. Parekh, "An Improved Template Matching Algorithm for Car License Plate Recognition", Int. J. of Computer Applications (IJCA), vol. 118, no. 25, pp. 16-22, May 2015 [ISSN: 0975-8887]

  30. S. Jana, R. Parekh, "Intra-class Recognition of Fruits using Color and Texture Features with Neural Classifiers", Int. J. of Computer Applications (IJCA), vol. 148, no. 11, pp. 1-6, August 2016 [ISSN: 0975-8887]

  31. A. Lodh, R. Parekh, "Computer Aided Identification of Flags using Color Features", Int. J. of Computer Applications (IJCA), vol. 149, no. 11, pp. 1-7, September 2016 [ISSN: 0975-8887]

  32. S. Basak, R. Parekh, "An Improved Bag-of-Features Approach for Object Recognition from Natural Images", Int. J. of Computer Applications (IJCA), vol. 151, no. 10, pp. 5-11, October 2016 [ISSN: 0975-8887]

  33. J. Chaki, R. Parekh, S. Bhattacharya, "Plant leaf classification using multiple descriptors: A hierarchical approach", JKSU - CIS, January 2018 [ISSN : 1319-1578]

Collaborative Research


Major research areas

  • Image, Audio, Video Processing
  • Pattern Recognition
  • Medical Imaging
  • Content Based Storage and Retrieval (CBSR)
  • Biometrics


Media Datasets

Image

Audio

Video

Resources for Technical Information


Miscellaneous


Invited Lectures

  • IIPM, Calcutta (Jun. 2000)
  • Project IMPACT, Dept. of Computer Science, Jadavpur University (Dec. 2000)
  • CDAC, Calcutta (Jul. & Aug. 2004)
  • MTDRC, Jadavpur University (Sep. 2004 & Jan. 2006)
  • SET, Jadavpur University : National Workshop on e-SLM Content Design and Development (Mar. 2008)
  • NIT, Durgapur, : short term course sponsored by AICTE (Jan. 2009)
  • HIT, Haldia : faculty development programme sponsored by TEQIP (Feb. 2009)
  • SET, Jadavpur University : National Seminar on Technology Enhanced Learning (Jul. 2009)
  • Techno India, Salt Lake, Calcutta : Faculty Development Programme (Nov. 2009)
  • SET, Jadavpur University : National Seminar on New Paradigms in Open Learning (Mar. 2011)
  • University of Burdwan : UGC sponsored Refresher Course in Information and Communication Technology (ICT) (Mar. 2011)
  • Indian College of Arts : UGC sponsored National Workshop on Multimedia (Apr. 2013)
  • AIT : Current Trends in IT (Research Issues in Multimedia) (Aug. 2013)
  • STCET : Multimedia Information Processing (Jun. 2015)
  • NIELIT : Multimedia & Animation (Dec. 2015)

Academic Administration and Services

  • Joint Director, School of Education Technology, JU (2006-2010), (2016- )
  • Member, Academic and Selection Committee, School of Education Technology, JU.
  • Member, Departmental Research Committee, School of Education Technology, JU.
  • Member, Selection Committee, Birla Industrial and Technological Museum (BITM), Kolkata
  • Visiting Faculty, National Council of Science Museums (NCSM), Kolkata [M. Tech. Course in Science Communication]
  • Co-PI & Ed.Tech., UGC funded project "Digital Library and Web based Material Development", under UPE-II scheme TRAILS (Sep-2012 to Mar-2019)