Research Centers and Labs
Signal Processing Research Group (SPRG) Laboratory
Signal Processing Research Group (SPRG) Laboratory works in speech processing, biomedical signal, and image processing. Machine learning (ML) algorithms and their applications in real-world problems are extensively studied. Recently, the group has emphasized research in computer-aided breast cancer diagnosis systems using mammography and histopathology images.
Here is an overview of the group and the list of ongoing research projects
Machine learning
- Data mining and feature extraction methods
- DNNs, CNNs, ANNs, SVMs, KNN, and Fuzzy logic frameworks
- Computer-aided diagnosis (CAD) systems
- Pattern recognition algorithms
Speech and audio signal processing applications
- Accent, age, and gender recognition using speech signals
- Speaker verification and identification systems
- Audio surveillance systems
- Non-speech environmental sound classification
Image processing applications
- Computer vision
- Image segmentation algorithms for MRI, MRA, CT-scan, and ultrasound images
- Classification of benign and malignant breast lesions
- Blood vessel segmentation in retinal images
- Alzheimer’s disease (AD)
- Age and gender recognition from wild face images
Biomedical signal processing applications
- Analysis of Electroencephalogram (EEG) measurements during short-term memory retention
- Emotion recognition
Teaching and mentoring
- Curriculum development (Fairchild Magnet Schools, School of Education, and School of Engineering)
- Mentoring new faculty and students
- Advising undergraduate and graduate students
- ABET accreditation
- K-12 STEM Outreach programs
Based out of University of Bridgeport, the SPRG group welcomes researchers and highly motivated, hard-working students who would like to collaborate. If you are interested in joining our group, please contact us at bbarkana@bridgeport.edu.
- Buket D. Barkana, Rana H Khaled, Maha Helal, Hussein Khaled, Ruba Deeb, Mark Pitcher, Ahmed El Sayed, Catherine Schairer, Ruth Pfeiffer, Marilyn Roubidoux, Amr S. Soliman, Imaging modalities in inflammatory breast cancer diagnosis: A computer-aided IBC diagnosis system using bilateral mammography images, Sensors, 23, (1), 64, 2023.
- Buket D. Barkana, Alberto Labrada, Berra Z. Barkana, Retinal optic disc segmentation algorithms – Review of methods, datasets, and evaluation metrics, submitted to Sensors, 2022.
- P.K. Eranti*, B.D. Barkana, An Overview of Direction-of-Arrival Estimation Methods Using Adaptive Directional Time-Frequency Distributions. Electronics. 2022; 11(9):1321. https://doi.org/10.3390/electronics11091321
- B.D. Barkana, Y. Ozkan, I.A. Badara, Analysis of Working Memory from EEG Signals under Different Emotional States, Biomedical Signal Processing and Control, Volume 71, Part B, January 2022, 103249. https://doi.org/10.1016/j.bspc.2021.103249
- B.D. Barkana, Aarchi Patel*. Analysis of vowel production in Mandarin/Hindi/American- accented English for accent recognition systems, Applied Acoustics, May 2020, https://doi.org/10.1016/j.apacoust.2019.107203.
- Yusuf Ozkan*, B.D. Barkana. How much time does our brain need to relax?, Archives in Neurology and Neuroscience, Opinion paper, 2020, DOI: 10.33552/ANN.2020.06.000636.
- Arafat Abu Mallouh*, Zakariya Qawaqneh*, B.D. Barkana. Convolutional Neural Network Architectures for Age Estimation from Unconstrained Face Images, Image and Vision Computing, https://doi.org/10.1016/j.imavis.2019.05.001, 2019.
- Arafat Abu Mallouh*, Zakariya Qawaqneh*, B.D. Barkana. A New Cost Function Combining DNNs and l2,1-norm with Extraction of Robust Facial and Superpixels Features in Age Estimation, Applied Sciences, 8(10), 1943; https://doi.org/10.3390/app8101943, 2018.
- B.D. Barkana, Nijo John*. Inci Saricicek, Auditory Suspicious Event Analysis and Detection: DASE and bi-DASE Databases, IEEE Access, 2018, DOI: 10.1109/ACCESS.2018.2848269
- Mohammad Daneshzand*, Miad Faezipour, B.D. Barkana. Robust desynchronization of pathological oscillations by frequency modulation of delayed feedback deep brain stimulation, PLOSONE, https://doi.org/10.1371/journal.pone.0207761, 2018
- Mohammad Daneshzand*, Miad Faezipour, B.D. Barkana. Towards frequency adaptation for delayed feedback deep brain stimulations, Neural Regeneration Research, vol.13, no.3, March 2018
- Z Qawaqneh*, A Mallouh*, B.D. Barkana. Age and gender classification from speech and face images by jointly fine-tuned deep neural networks, Expert Systems with Applications, vol.85, pp: 76-86, November 2017.
- B.D. Barkana, I. Saricicek. Classification of Breast Masses in Mammograms using 2D Homomorphic Transform Features and Supervised Classifiers. Journal of Medical Imaging and Health Informatics, vol.7, no.7, pp.1566-1571, November 2017, DOI: https://doi.org/10.1166/jmihi.2017.2167.
- A. Mallouh*, Z. Qawaqneh*, B.D. Barkana. New Transformed Features Generated by Deep Bottleneck Extractor and a GMM-UBM Classifier for Speaker Age and Gender Classification. Neural Computing and Applications, 2017, DOI: 10.1007/s00521-017-2848-4.
- M. Daneshzand*, M. Faezipour, B.D. Barkana. Hyperbolic Modeling of Subthalamic Nucleus cells to investigate the effect of Dopamine Depletion, Computational Intelligence, and Neuroscience, Volume 2017 (2017), Article ID 5472752, https://doi.org/10.1155/2017/5472752.
- M Daneshzand*, M Faezipour, B.D. Barkana. Computational stimulation of the basal ganglia neurons with cost-effective delayed Gaussian waveforms, Frontiers in Computational Neuroscience, August 08, 2017. https://doi.org/10.3389/fncom.2017.00073.
- A. Mallouh*, Z Qawaqneh*, B.D. Barkana. Deep Convolutional Neural Network for Age Estimation based on VGG-Face Model, arXiv:1709.01664 [cs.CV], 2017.
- B.D. Barkana, I. Sariciek, B. Yildirim*. Performance analysis of descriptive statistical features in retinal segmentation via fuzzy, ANN, SVM, and classifier fusion. Knowledge-Based Systems, Volume 118, February 15, 2017, Pages 165–176.
- Z. Qawaqneh*, A. Mallouh*, B.D. Barkana. Deep Neural Network Framework for Speaker’s Age and Gender Classification using I-Vector. Knowledge-Based Systems, Volume 115, 1 January 2017, Pages 5–14. 10.1016/j.knosys.2016.10.008.
- B.D. Barkana, J. Zhou*. A new pitch-range-based feature set for speaker’s age and gender classification. Applied Acoustics, Volume 98, Pages 52-61, November 2015.
- L. Hmurcik, B.D. Barkana, N. Gupta. Two Case Studies: Real-life fatal burn case including smoke inhalation and fatal high-voltage electrical burn. International Journal of Advanced Research, 3(11):318-321, 2015.
- O. Abuzaghleh*, B.D. Barkana, M. Faezipour. Noninvasive Real-Time Automated Skin Lesion Analysis System for Melanoma Early Detection and Prevention. IEEE Journal of Translational Engineering in Health and Medicine (JTEHM), 10.1109/JTEHM.2015.2419612, 2015.
- I. Hameed*, H. Ocbagabir*, B.D. Barkana, B. Yildirim*. Blood vessel segmentation in retinal images by morphological operations and by a novel pixel tracking algorithm. International Journal of Innovative Computing Information and Control (IJICIC), Vol.11 (1), pp.189-201, February 2015.
- O. Abuzaghleh*, M. Faezipour, B.D. Barkana. Skincure: An Innovative Smart Phone-Based Application to Assist In Melanoma Early Detection and Prevention. Signal and Image Processing: An International Journal (SIPIJ), Vol.5, No.6, December 2014.
- B.D. Barkana, N. Ngoh, A. Cook. Case Study: Development and Assessment of a STEM-Based Course for Teacher Educators. Education, Vol.3, No.3, 2013.
- B.D. Barkana, B. Uzkent*, I. Saricicek. Normal and Abnormal Non-Speech Audio Event Detection Using MFCC and PR-Based Feature Sets. Advanced Materials Research, Management, Manufacturing, and Materials Engineering II, Vol. 601, 2013.
- B.D. Barkana, B. Uzkent*, H. Cevikalp. Non-speech environmental sound classification using SVMs with a new set of feature parameters to improve recognition rates. Int. Journal of Innovative Computing Information and Control (IJICIC), 2012, Volume 8, Number 5(B), May 2012.
- B.D. Barkana., B. Uzkent*. Environmental noise classifier using a new set of feature parameters based on pitch range. Applied Acoustics, Volume 72, Issue 11, November 2011, Pages 841-848.
- B. Uzkent*, B.D. Barkana, J. Yang*. Automatic Environmental Noise Source Classification Model using Fuzzy Logic. Expert Systems with Applications, Volume 38, Issue 7, pp. 8751-8755, July 2011.
- B.D. Barkana. Curriculum Development of an Audio Signal Processing Laboratory Course. Signal and Image Processing: an International Journal, Vol.2, No.1, March 2011.
- B.D. Barkana, N. Gupta, L.V. Hmurcik. Two Case Reports: Electro-thermal (aka contact) burns and the effects of current density, application time, and skin resistance. Burns, Volume 36, Issue 6, Pages 91-95, 2010.
- Stark* B., B.D. Barkana. Acoustic Echo Cancellation: Dual Architecture Implementation. Journal of Computer Science, 6(2): 101-106, 2010.
- B.D. Barkana. Characteristics of AlGaAs/GaAs Heterostructure RT-SCR Model. Microelectronics Journal, Volume 39, Issue 12, pp. 1504-1508, 2008.
- B.D. Barkana, H.H. Erkaya. A Model for the Resonant Tunneling Semiconductor Controlled Rectifier. Microelectronics Journal, Vol.38, pp.871-876, 2007.
- R. Bachu*, S. Kopparthi*, B. Adapa*, B. Barkana. (2010) Voiced/Unvoiced Decision for Speech Signals Based on Zero-Crossing Rate and Energy. In: Elleithy K. (eds) Advanced Techniques in Computing Sciences and Software Engineering. Springer, Dordrecht
- R.G. Bachu*, J. Patel*, B.D. Barkana. (2010) A Comparison of LBG and ADPCM Speech Compression Techniques. In: Elleithy K. (eds) Advanced Techniques in Computing Sciences and Software Engineering. Springer, Dordrecht
- B. Barkana, M. Cay. (2007) The Effects of Vector Transform on Speech Compression. In: Elleithy K. (eds) Advances and Innovations in Systems, Computing Sciences and Software Engineering. Springer, Dordrecht
- B.D. Barkana, H.H. Erkaya. (2007) A Model for Resonant Tunneling Bipolar Transistors. In: Sobh T., Elleithy K., Mahmood A., Karim M. (eds) Innovative Algorithms and Techniques in Automation, Industrial Electronics and Telecommunications. Springer, Dordrecht
- B.D. Barkana, T. Barkana. (2008) A Compression Algorithm Based on The Polarity of The Speech Signal. In: Elleithy K. (eds) Innovations and Advanced Techniques in Systems, Computing Sciences and Software Engineering. Springer, Dordrecht
- A. Labrada, B.D. Barkana, Breast Cancer Diagnosis from Histopathology Images using Supervised Classifiers, submitted to CBMS 2022 (IEEE 35th International Symposium on Computer-Based Medical Systems), Best Student paper award, May 2022.
- Buket D. Barkana, Ahmed El-Sayed, Mark Pitcher, Ruba Deeb, Ruth Pfeiffer, Marilyn Roubidoux, Rana H Khaled, Maha Helal, Hussein Khaled, Catherine Schairer and Amr Soliman, Developing M-Health System for Diagnosing Inflammatory Breast Cancer, The 2022 International Conference on Computational Science and Computational Intelligence (CSCI’22: December 14-16, 2022; Las Vegas, USA).
- Ozkan Y.*, Barkana B.D. Multi-class Mental Task Classification Using Statistical Descriptors of EEG by KNN, SVM, Decision Trees, and Quadratic Discriminant Analysis Classifiers, 2020 IEEE 5th the Middle East and Africa Conference on Biomedical Engineering (MECBME).
- Ozkan Y*, Barkana BD. Forensic Audio Analysis and Event Recognition for Smart Surveillance Systems, IEEE International Symposium on Technologies for Homeland Security, November 5-6, 2019, MA, USA.
- Rai A.*, Barkana BD. Analysis of three pitch-shifting algorithms for different musical instruments, IEEE LISAT Conference May 3, 2019.
- Daneshzand M*, Faezipour M, Barkana BD. Delayed Feedback Frequency Adjustment for Deep Brain Stimulation of Subthalamic Nucleus Oscillations, Conf Proc IEEE Eng Med Biol Soc. 2018 Jul;2018:2194-2197. Doi: 10.1109/EMBC.2018.8512652.
- Aarchi Patel*, Buket D. Barkana. Analysis of American English corner vowels produced by Mandarin, Hindi, and American accented speakers and a baseline accent recognition system, IEEE LISAT Conference 2018, May 5, 2018.
- M. Daneshzand*, S.A. Ibrahim*, M. Faezipour, B.D. Barkana. Desynchronization and Energy Efficiency of Gaussian Neurostimulation on Different Sites of the Basal Ganglia, in the 17th IEEE International Conference on Bio-Informatics and Bio-Engineering (BIBE – 2017).
- I.A. Badara, S. Sarab*, A. Medisetty*, A. Cook, J. Cook, B.D. Barkana. The Influence of Emotional States on Memory Retention by Using Electroencephalography (EEG) Measurements: A Case Study, in the proceedings of the 10th International Conference on Bio-inspired Systems and Signal Processing (BIOSIGNALS 2017), 21-23 February, 2017, Porto, Portugal.
- A. Mallouh*, Z. Qawaqneh*, B.D. Barkana. Combining Two Different DNN Architectures for Classifying Speaker’s Age and Gender, in the proceedings of the 10th International Conference on Bio-inspired Systems and Signal Processing (BIOSIGNALS 2017), 21-23 February, 2017, Porto, Portugal.
- Z. Qawaqneh*, A. Mallouh*, B. D. Barkana. DNN-Based Models for Speaker Age and Gender Classification, in the 10th International Conference on Bio-inspired Systems and Signal Processing (BIOSIGNALS 2017), February 21-23, 2017, Porto, Portugal.
- Z. Qawaqneh*, A. Mallouh*, Buket D. Barkana. Deep Neural Network Combined Posteriors for Speakers’ Age and Gender Classification, in the IEEE Connecticut Conference on Industrial Electronics, Technology and Automation (IEEE CT-IETA 2016), 2016.
- Z. Qawaqneh*, A. Mallouh*, Buket D. Barkana. Modifying Deep Neural Network Structure for Improved Learning Rate in Speakers’ Age and Gender Classification, in the proceedings of IEEE Connecticut Conference on Industrial Electronics, Technology and Automation (IEEE CT-IETA 2016), 2016.
- M.M. Almi’ani, B.D. Barkana. A Modified Region Growing Based Algorithm to Vessel Segmentation in Magnetic Resonance Angiography, the 11th IEEE Long Island Systems, Applications and Technology Conference (IEEE LISAT2015), May 1, 2015, NY, USA, (Best Paper Award).
- R. Alattas*, B.D. Barkana. A comparative study of brain volume changes in Alzheimer’s disease using MRI scans, the 11th IEEE Long Island Systems, Applications, and Technology Conference (IEEE LISAT2015), May 1, 2015, NY, USA.
- O. Abuzaghleh*, B.D. Barkana. M. Faezipour, A Comparison of Feature Sets for an Automated Skin Lesion Analysis System for Melanoma Early Detection and Prevention, the 11th IEEE Long Island Systems, Applications and Technology Conference (IEEE LISAT2015), May 1, 2015, NY, USA.
- O. Abuzaghleh*, B.D. Barkana, M. Faezipour. Automated Skin Lesion Analysis Based on Color and Shape Geometry Feature Set for Melanoma Early Detection and Prevention, the 10th IEEE Long Island Systems, Applications, and Technology Conference (IEEE LISAT2014), May 2, 2014, NY, USA.
- O. Abuzaghleh*, M. Faezipour, B.D. Barkana. Skincure: A real-time image analysis system to aid in the malignant melanoma prevention and early detection, IEEE Southwest Symposium on Image Analysis and Interpretation (SSIAI 2014), April 6-8, 2014, San Diego, California, USA.
- O. Abuzaghleh*, M. Faezipour, B.D. Barkana. SKINaid: A Virtual Reality System to Aid in the Skin Cancer Prevention and Pain Treatment, the 9th Annual IEEE Conference on Long Island Systems, Applications and Technology (LISAT 2013), May 2013.
- I. Hameed*, H. Ocbagabir*, S. Abdulmalik*, B.D. Barkana. A Novel Vessel Segmentation Algorithm in Color Images of the Retina, the 9th IEEE Conference on Long Island Systems, Applications and Technology (LISAT2013), May 2013.
- C. Jin*, J. Zhou*, B.D. Barkana. Application of Different Transformation Methods to Whole Heart Region Segmentation, the 9th IEEE Conference on Long Island Systems, Applications and Technology (LISAT 2013), May 2013.
- M.M. Almi’ani*, B.D. Barkana. Vascular Segmentation in Magnetic Resonance Angiography: A Modified Region Growing Approach, IEEE Signal Processing in Medicine and Biology Symposium (SPMB12), New York, December 1, 2012.
- M.M. Almi’ani*, B.D. Barkana. Automatic Segmentation Algorithm for Retinal Vasculature, WORLDCOMP’12, IPCV’12 – The 2012 International Conference on Image Processing, Computer Vision, and Pattern Recognition, Las Vegas, Nevada, USA, July 16-19, 2012.
- T. Abuzaghleh*, B.D. Barkana. Computer-Aided Technique for the Measurement of the Cobb Angle,WORLDCOMP’12, IPCV’12 – The 2012 International Conference on Image Processing, Computer Vision, and Pattern Recognition, Las Vegas, Nevada, USA, July 16-19, 2012.
- M.M. Almi’ani*, B.D. Barkana. Automatic Segmentation Algorithm for Brain MRA Images, The Eighth Annual IEEE Conference on Long Island Systems, Applications and Technology (IEEE LISAT2012), May 2012.
- I.A. Badara, B.D. Barkana. N. Ngoh, A. Cook, , Development of a STEM Program for Teacher Educators, American Society of Engineering Education – Northeast Section Conference, University of Massachusetts, Lowell, April 28, 2012.
- M. Iyer*, B.D. Barkana. A Comparative Study of Pitch Tracking using ACF and Cepstral Methods, MASAUMNET First International Online Conference on Computing, 2011.
- B. Uzkent*, B.D. Barkana. Pitch-Range Based Feature Extraction for Audio Surveillance Systems, in the proceedings of the 8th International Conference on Information Technology: New Generation (ITNG), April 11-13, 2011.
- M. C. Demir*, K. Ozkan*, B. D. Barkana. An Approach to Automatic Car License Plate Location Based On The Color Information, 2011 ASEE New England Conference, Hartford, CT, 2011.
- B.D. Barkana, N. Ngoh, A. Cook. The Learning and Teaching Experiences in a Graduate Level Stem Course for Teacher Educators, 2011 ASEE New England Conference, Hartford, CT, 2011.
- B.D. Barkana, B. Uzkent*, I. Saricicek. Normal and Abnormal Non-Speech Audio Event Detection Using MFCC and PR-Based Feature Sets, in the proceedings of the IEEE International Conference on Management Science and Information Engineering, December 17-19, 2010 in Zhengzhou, China. (Invited paper).
- J. Toporovsky, B.D. Barkana, N. Gupta, B. Dharmadhikari*, L. Hmurcik. Friendly sabotage in machine safe guards and the role of engineering and PLC’s to stop this, 2010 ASEE New England Conference, Boston, MA, May 7-8, 2010.
- B.D. Barkana, I. Saricicek, B. Uzkent*. Performances of the ANN, SVM, and K-means clustering methods recognizing different environmental sounds, in the Proceedings of the 24th European Conference on Operational Research, Lisbon, Portugal, July 11-14, 2010.
- B.D. Barkana. A Graduate Level Course: Audio Processing Laboratory, in the Proceedings of 2010 ASEE Annual Conference and Exposition, Louisville, Kentucky, June 20 – 23, 2010.
- Y. Olagbaju*, B.D. Barkana, N. Gupta. English vowel production by native Mandarin and Hindi speakers, in the 7th International Conference on Information Technology: New Generation, April 8-10, 2010.
- Saricicek I., B.D. Barkana. Environmental Noise Source Classification Using Neural Networks, in the 7th International Conference on Information Technology: New Generation, April 8-10, 2010.
- B.D. Barkana, S. Patel*, N. Gupta, and L.V. Hmurcik,.Using real-life cases to teach students about electric burns: Part 2 Contact Burns, The Proceedings of the 2009 ASEE NE American Society for Engineering Education Conference, April 3-4, 2009.
- B.D. Barkana, S. Patel*, N. Gupta, and L. V. Hmurcik. Using real-life cases to teach students about electric burns: Part 1 Secondary burns, The Proceedings of the 2009 ASEE NE American Society for Engineering Education Conference, April 3-4, 2009. (Faculty paper competition, Nominee).
- M. Zheng*, W. Xeing*, B.D. Barkana. An automatic text-dependent speaker verification system design using MATLAB, The Proceedings of the 2009 ASEE NE American Society for Engineering Education Conference, April 3-4, 2009. (Student paper competition, Nominee).
- L. Yu*, B.D. Barkana. Speech Disorders: An analysis of hypernasal speech using signal processing techniques, The Proceedings of the 2009 ASEE NE American Society for Engineering Education Conference, April 3-4, 2009. (Student paper competition, Nominee).
- B.D. Barkana, Gupta N., Hmurcik L.V. Improving teaching tools and techniques of graduate engineering courses based on students’ learning styles and multiple intelligences, in the Proceedings of 2009 ASEE Annual Conference and Exposition, San Antonio, 2009.
- J. Yang*, B.D. Barkana. Acoustic Properties of Different Noise Sources, Proceedings of the 6th International Conference on Information Technology – New Generations, ITNG 2009.
- L. Yu*, B.D. Barkana, Classifying Hypernasality Using the Pitch and Formants, Proceedings of the 6th International Conference on Information Technology – New Generations, ITNG 2009.
- B. Stark*. Dual Architecture Implementation of Acoustic Echo Cancellation, Advisor: B.D. Barkana, Proceedings of the 2009 ASEE NE American Society for Engineering Education Conference, April 3-4, 2009, (Student paper competition, Honorable Mention).
- R.B. Bachu*, S. Kopparthi*., B. Adapa*, B.D. Barkana. Voiced/Unvoiced Decision for Speech Signals Based on Zero-Crossing Rate and Energy, IEEE International Joint Conferences on Computer, Information, and Systems Sciences, and Engineering (CISSE’08), 2008.
- R. Bachu*, B.K. Adapa*, S. Kopparthi*, B.D. Barkana. Separation of Voiced and Unvoiced Speech Signals using Energy and Zero Crossing Rate, ASEE Regional Conference, West Point, March 2008. (Student paper competition, Second Place).
- J. Patel*, R.G. Bachu*, B.D. Barkana. A Comparison of LBG and ADPCM Speech Compression Techniques, IEEE International Joint Conferences on Computer, Information, and Systems Sciences, and Engineering (CISSE’08), 2008.
- D.S. Deepawale*, R. Bachu*, B.D. Barkana. Energy Estimation between Adjacent Formant Frequencies to Identify Speakers’ Gender, Proceedings of 5th International Conference on Information Technology: New Generations (ITNG), 2008.
- B.D. Barkana, T. Barkana. Vector Transformation Effects of a Compression Algorithm Based on the Polarity of the Speech Signal, Proceedings of 5th International Conference on Information Technology: New Generations (ITNG), 2008.
- R. Bachu*., D.S. Deepawale*, B.D. Barkana, L.V. Hmurcik. An Evaluation of Indian International Graduate Students’ Expectations and Experiences, 2008 ASEE (The American Society for Engineering Education) Annual Conference and Exposition, Jun. 22-24, Pittsburgh, PA, 2008.
- D.S. Deepawale*, B.D. Barkana. The acoustic properties of seven commonly encountered background noises for digital signal processing applications, ASEE Regional Conference, West Point, March 2008.
- N. Gupta, B.D. Barkana, S. Patel, L.V. Hmurcik. Discussion on High Voltages and their Successful Introduction into the Engineering Class Room Using Real-Life Accident Cases, ASEE Regional Conference, West Point, March 2008.
- B.D. Barkana, T. Barkana. A Simple Compression Algorithm Based on the Polarity of the Speech Signal, in proceedings of IEEE International Joint Conferences on Computer, Information, and Systems Sciences, and Engineering (CISSE’07), Dec. 3-12, 2007.
- B.D. Barkana. Developing the instructors’ teaching techniques: Required Courses for Ph.D. Candidates, ASEE New England American Society for Engineering Education Conference, April 20-21 2007.
- B.D. Barkana, M.A. Cay. The Effects of Vector Transform on Speech Compression, in proceedings of IEEE International Joint Conferences on Computer, Information, and Systems Sciences, and Engineering, 2006.
- B.D. Barkana, H.H. Erkaya. A Model for Resonant Tunneling Bipolar Transistors, in proceedings of IEEE International Joint Conferences on Computer, Information, and Systems Sciences, and Engineering, 2006.
- B. Barkana (Dedeakayogullari), M.A. Cay. Speech Compression Using a Vector Transform, Electric-Electronic and Computer Engineering Conference (ELECO), Turkey, 8-12 November 2000.
- R. Bachu*, S. Kopparthi*, B. Adapa*, B. Barkana. (2010) Voiced/Unvoiced Decision for Speech Signals Based on Zero-Crossing Rate and Energy. In: Elleithy K. (eds) Advanced Techniques in Computing Sciences and Software Engineering. Springer, Dordrecht
- R.G. Bachu*, J. Patel*, B.D. Barkana. (2010) A Comparison of LBG and ADPCM Speech Compression Techniques. In: Elleithy K. (eds) Advanced Techniques in Computing Sciences and Software Engineering. Springer, Dordrecht
- B. Barkana, M. Cay. (2007) The Effects of Vector Transform on Speech Compression. In: Elleithy K. (eds) Advances and Innovations in Systems, Computing Sciences and Software Engineering. Springer, Dordrecht
- B.D. Barkana, H.H. Erkaya. (2007) A Model for Resonant Tunneling Bipolar Transistors. In: Sobh T., Elleithy K., Mahmood A., Karim M. (eds) Innovative Algorithms and Techniques in Automation, Industrial Electronics and Telecommunications. Springer, Dordrecht
- B.D. Barkana, T. Barkana. (2008) A Compression Algorithm Based on The Polarity of The Speech Signal. In: Elleithy K. (eds) Innovations and Advanced Techniques in Systems, Computing Sciences and Software Engineering. Springer, Dordrecht