Articles in Proceedings (106)

1 – 2020.    A.M. Grigoryan, S.S. Agaian, Optimal restoration of multiple signals in quaternion algebra,” Proc. SPIE 11399, Mobile Multimedia/Image Processing, Security, and Applications 2020, 1139909, p. 13, (21 April 2020) 

2 – 2020.    A.M. Grigoryan, S.S. Agaian, Gradient, means, and image reconstruction,” Proc. SPIE 11399, Mobile Multimedia/Image Processing, Security, and Applications 2020, 113990N, p. 9, (21 April 2020)

3 – 2020.    A.M. Grigoryan, S.S. Agaian, Quaternion quantum image representation: New models,” Proc. SPIE 11399, Mobile Multimedia/Image Processing, Security, and Applications 2020, 113990O, p. 6, (21 April 2020)

4 – 2020.    A.M. Grigoryan, S.S. Agaian, Thermal and night vision image visibility and enhancement,” Proc. SPIE 11399, Mobile Multimedia/Image Processing, Security, and Applications 2020, 113990R, p. 12, (21 April 2020)

1 – 2019.    A.M. Grigoryan, S.S. Agaian, Gradient based histogram equalization in grayscale image enhancement,” Proc. of SPIE, Defense + Commercial Sensing, Mobile Multimedia/Image Processing, Security, and Applications 2019, vol. 10993, p. 11, Baltimore, Maryland, 4-18 April 2019.

2 – 2019.    A.M. Grigoryan, S.S. Agaian,Asymmetric and symmetric gradient operators with application in face recognition in Renaissance portrait art,” Proc. of SPIE, Defense + Commercial Sensing, Mobile Multimedia/Image Processing, Security, and Applications 2019, vol. 10993, p. 12, Baltimore, Maryland, 4-18 April 2019.

3 – 2019.    A.M. Grigoryan, A. John, S.S. Agaian, “Quaternion alpha-rooting image enhancement of grayscale images,” Proc. of SPIE, Defense + Commercial Sensing, Mobile Multimedia/Image Processing, Security, and Applications 2019, vol. 10993, p. 8, Baltimore, Maryland, 4-18 April 2019.

1 – 2018.    A.M. Grigoryan, Re-Coloring of grayscale images: Models with Aesthetic and Golden proportions,” Proceedings of SPIE, Defense + Commercial Sensing, Mobile Multimedia/Image Processing, Security, and Applications, vol. 10668, p. 11, Orlando, Florida, 16-17 April 2018.

2 – 2018.    A.M. Grigoryan, A. John, S.S. Agaian, “A novel image enhancement method of 3-D medical images by transforming the 3-D images to 2-D grayscale images,” Proceedings of SPIE, Defense + Commercial Sensing, Mobile Multimedia/Image Processing, Security, and Applications, vol. 10668, p. 10, Orlando, Florida, 16-17 April 2018.

3 – 2018.    A.M. Grigoryan, S.S. Agaian, “Color visibility images and measures of image enhancement,” Proceedings of IS&T International Symposium, Electronic Imaging: Algorithms and Systems, 28 Jan.-2 Feb., Burlingame, CA, 2018.

4 – 2018.    A.M. Grigoryan, S.S. Agaian, “Color facial image representation with new quaternion gradients,” Proceedings of IS&T International Symposium, Electronic Imaging: Algorithms and Systems, 28 Jan.-2 Feb., Burlingame, CA, 2018.

5 – 2018.    A.M. Grigoryan, A. John, S.S. Agaian, “Enhancement of underwater color images by two-side 2-D quaternion discrete Fourier transform,” Proceedings of IS&T International Symposium, Electronic Imaging: Algorithms and Systems, 28 Jan.-2 Feb., Burlingame, CA, 2018.

6 – 2018.    A.M. Grigoryan, S.S. Agaian, “Two general models for gradient operators in imaging,” Proceedings of IS&T International Symposium, Electronic Imaging: Algorithms and Systems, 28 Jan.-2 Feb., Burlingame, CA, 2018.

1 – 2017.    A.M. Grigoryan, S.S. Agaian, “2-D Octonion discrete Fourier transform: Fast algorithms,” Proceedings of IS&T International Symposium, Electronic Imaging: Algorithms and Systems XV, 29 Jan.-2 Feb., Burlingame, CA, 2017.

2 – 2017.    A.M. Grigoryan, S.S. Agaian, “Alpha-rooting method of gray-scale image enhancement in the quaternion frequency domain,” Proceedings of IS&T International Symposium, Electronic Imaging: Algorithms and Systems XV, 29 Jan.-2 Feb., Burlingame, CA, 2017.

3 – 2017.    A.M. Grigoryan, A. John, S.S. Agaian, “Color image enhancement of medical images using alpha-rooting and zonal alpha-rooting methods on 2-D QDFT,” Proceedings of SPIE Medical Imaging Symposium, Image Perception, Observer Performance, and Technology Assessment conference, 12 – 13 Feb., Orlando, FL, 2017, (doi http://dx.doi.org/10.1117/12.2254889).

1 – 2016.    A.M. Grigoryan, S.S. Agaian, “2D hexagonal quaternion Fourier transform in color image processing,” Proceedings of SPIE, 2016 Mobile Multimedia/Image Processing, Security, and Applications, April 17-21, Baltimore, Maryland, 2016.

2 – 2016.    A.M. Grigoryan, S.S. Agaian, “2-D Left-side quaternion discrete Fourier transform fast algorithms,” Proceedings of IS&T International Symposium, 2016 Electronic Imaging: Algorithms and Systems XIV, February 14-18, San Francisco, California, 2016.

3 – 2016.    A.M. Grigoryan, A. John, S. Agaian, “Zonal-alpha-rooting color image enhancement by the two-side 2D quaternion discrete Fourier transform,” Proceedings of IS&T International Symposium, 2016 Electronic Imaging: Algorithms and Systems XIV, February 14-18, San Francisco, California, 2016.

4 – 2016.    M. Hajinoroozi, A. Grigoryan, S. Agaian, “Image enhancement with weighted histogram equalization and heap transforms,” Proceedings of Conference: 2016 World Automation Congress (WAC), IEEE, p. 1-6, July 2016 (DOI: 10.1109/WAC.2016.7582992)

1 – 2015.    A.M. Grigoryan, “Fourier transform with rotations on circles and ellipses in signal and image processing,” [9411-25], Proceedings of SPIE vol. 9411, 2015 Electronic Imaging: Mobile Devices and Multimedia: Enabling Technologies, Algorithms, and Applications 2015, February 10-11, San Francisco, California, 2015.

2 – 2015.    A.M. Grigoryan, “Fast Heap transform-based QR-decomposition of real and complex matrices: Algorithms and codes,” [9411-21], Proceedings of SPIE vol. 9411, 2015 Electronic Imaging: Mobile Devices and Multimedia: Enabling Technologies, Algorithms, and Applications 2015, February 10-11, San Francisco, California, 2015.

3 – 2015.    A.M. Grigoryan, S.S. Again, “Tensor representation of color images and fast 2-D quaternion discrete Fourier transform,” [9399-16], Proceedings of SPIE vol. 9399, 2015 Electronic Imaging: Image Processing: Algorithms and Systems XIII, February 10-11, San Francisco, California, 2015.

4 – 2015.    A.M. Grigoryan, S.S. Again, A.M. Gonzales, “Fast Fourier transform-based retinex and alpha-rooting color image enhancement,” [9497-29], Proc. SPIE Conf., Mobile Multimedia/Image Processing, Security, and Applications, 20 – 24 April 2015, Baltimore, Maryland United States.

5- 2015.    A.M. Grigoryan, B.A. Wiatrek, S.S. Again, “Image encryption by redirection and cyclical shift,” [9497-13], Proc. SPIE Conf., Mobile Multimedia/Image Processing, Security, and Applications, 20 – 24 April 2015, Baltimore, Maryland United States.

6 – 2015.    A.M. Grigoryan and S.S. Agaian, “Optimal color image restoration: Wiener filter and quaternion Fourier transform,” [9411-24], Proceedings of SPIE vol. 9411, 2015 Electronic Imaging: Mobile Devices and Multimedia: Enabling Technologies, Algorithms, and Applications 2015, February 10-11, San Francisco, California, 2015.

7 – 2015.    A.M. Gonzales, A.M. Grigoryan “Fast Retinex for color Image enhancement: Methods and Algorithms,” [9411-14], Proceedings of SPIE vol. 9411, 2015 Electronic Imaging: Mobile Devices and Multimedia: Enabling Technologies, Algorithms, and Applications 2015, February 10-11, San Francisco, California, 2015.

8 – 2015.    A.M. Grigoryan, S.S. Agaian, “New 2-D discrete Fourier transforms in image processing,” [9399-35], Proceedings of SPIE vol. 9399, 2015 Electronic Imaging: Image Processing: Algorithms and Systems XIII, February 10-11, San Francisco, California, 2015.

9 – 2015.    A.M. Grigoryan, S.S. Agaian, “Algorithms of the q^2r×q^2r-point 2-D discrete Fourier transform,” [9399-17], Proceedings of SPIE vol. 9399, 2015 Electronic Imaging: Image Processing: Algorithms and Systems XIII, February 10-11, San Francisco, California, 2015.

10 – 2015.    J. Jenkinson, A.M. Grigoryan, S.S. Agaian, “Enhancement of galaxy images for improved classification,” [9399-32], Proceedings of SPIE vol. 9399, 2015 Electronic Imaging: Image Processing: Algorithms and Systems XIII, February 10-11, San Francisco, California, 2015.

11 – 2015.    A.M. Grigoryan, S.S. Agaian, J. Jenkinson, “Innovating Engineering Education Through Teaching Image Processing In Texas,” 2015 ASEE-GSW Annual Conference University of Texas at San Antonio College of Engineering, March 26, Texas 2015.

1.    J. Jenkinson, A. Grigoryan, M. Hajinoroozi, et al., “Machine learning and image processing in astronomy with sparse data sets,” In proceedings of the IEEE International Conference on Systems, Man, and Cybernetics (SMC2014), pp. 200-203.San Diego, California, October 5-8, 2014. (view at IEEE )

2.    A.M. Grigoryan and Nan Du, “Novel tensor transform-based method of image reconstruction from limited-angle projection data,” [9020-14], SPIE proceedings, 2014 Electronic Imaging: Computational Imaging XII, February 2-6, San Francisco, California, 2014.

3.    A.M. Grigoryan and M. Hajinoroozi, “A novel method of filtration by the discrete heap transforms,” [9019-2], SPIE proceedings, 2014 Electronic Imaging: Image Processing: Algorithms and Systems XII, February 2-6, San Francisco, California, 2014.

4.    A.M. Grigoryan and S.S. Agaian, “Alpha-rooting method of color image enhancement by discrete quaternion Fourier transform,” [9019-3], SPIE proceedings, 2014 Electronic Imaging: Image Processing: Algorithms and Systems XII, February 2-6, San Francisco, California, 2014.

5.    A.M. Grigoryan and S.S. Agaian, “Fibonacci thresholding: Signal representation and morphological filters,” [9019-30], SPIE proceedings, 2014 Electronic Imaging: Image Processing: Algorithms and Systems XII, February 2-6, San Francisco, California, 2014.

6.    A.M, Grigoryan and Nan Du, “Method of field transformation of G-particles for image reconstruction from a finite number of projections,” SPIE proceedings, SPIE Electronic Imaging, February 3-7, Burlingame, California, 2013.

7.    Nan Du, Y. Feng, and A.M, Grigoryan, “ Reconstruction of the image on the Cartesian latticefrom a finite number of projections in computed-tomographic imaging,” SPIE proceedings, SPIE Electronic Imaging, February 3-7, Burlingame, California, 2013.

8.    Nan Du, Y. Feng, and A.M, Grigoryan, “Image reconstruction from limited-angle range projections,” SPIE proceedings, SPIE Medical Imaging, February 9-14, Florida, 2013.

9.    N. Ranganadh, P.A. Patel, and A.M. Grigoryan “Case study of Grigoryan FFT onto FPGAs and DSPs,” TMS320C6X DSPs and Virtex II Pro FPGAs. IEEE proceedings, IEEE 4th International Conference on Electronics Computer Technology (ICECT 2012), pp. 423-426. Kanyakumari, India, April 6-8, 2012.

10.    Joao Donacien N. Nsingui and A.M. Grigoryan, “Elliptic discrete Fourier transform and its application in signal and image processing,” in Proceedings of the National Conference On Undergraduate Research (NCUR) 2012, Weber State University, Ogden Utah, March 29-31, 2012 (view pdf file (147 kB) )

11.    T. Nagaraju and A.M. Grigoryan, “Fast discrete Fourier transform in FPGA by using the method of fast paired transform,” in Proceedings of the 2011 ASEE Gulf-Southwest Annual Conference, University Houston, p. 8, 2011 (view pdf file (605 kB) )

12.    S. Dursun, Nan Du, and A.M, Grigoryan, “Paired transform slice theorem of 2-D image reconstruction from projections,” presented in the 20th International Conference on Pattern Recognition (ICPR), August 23-26, Istanbul, 2010. (view at IEEE )

13.    S. Dursun and A.M, Grigoryan, “Reversible integer 2-D discrete Fourier transform by control bits,” presented in the 20th International Conference on Pattern Recognition (ICPR), August 23-26, Istanbul, 2010. (view at IEEE )

14.    A.M. Grigoryan, “Elliptic discrete Fourier transforms of Type II,” presented in 2009 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2009), pp. 954-959, San Antonio, Texas, USA, October 11-14, 2009 (view at IEEE or see the presentation in Slides and Posters)

15.    K. Naghdali, R. Raghunath, and A.M. Grigoryan, “Fast signal-induced transforms in image enhancement,” presented in 2009 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2009), pp. 565-570, San Antonio, Texas, USA, October 11-14, 2009 (view at IEEE or see the presentation in Slides and Posters)

16.    A.M. Grigoryan and Nan Du, “New formula for image reconstruction from projections by the 2-D paired transformation,” presented in 2009 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2009), pp. 153-156, San Antonio, Texas, USA, October 11-14, 2009 (view at IEEE or see the presentation in Slides and Posters)

17.    Nan Du,, S. Devineni, and A.M. Grigoryan, “Mixed Fourier transforms and image encryption,” presented in 2009 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2009), pp. 547-552, San Antonio, Texas, USA, October 11-14, 2009 (view at IEEE or see the presentation in Slides and Posters)

18.    A.M. Grigoryan and K. Naghdali, “Fast unitary heap transforms: Theory and application in cryptography,” [7351-16], International Conference Mobile Multimedia/Image Processing, Security, and Applications 2009, DSS09 SPIE Defense, Security, and Sensing 2009, Orlando, FL, USA, April 13-17, 2009. (view at SPIE or see the presentation in Slides and Posters)

19.    A.M. Grigoryan, “Decomposition by series direction images: Image reconstruction and enhancement” [7245A-25], International Conference: Electronic Imaging, Science and technology, IS&T/SPIE 21st Annual Symposium, San Diego, CA, 18-22 January, 2009. (view at SPIE)

20.    A.M. Grigoryan and M.M. Grigoryan, “Discrete integer Fourier transform in real space: Elliptic Fourier transform” [7245A-1], International Conference: Electronic Imaging, Science and technology, IS&T/SPIE 21st Annual Symposium, San Diego, CA, 18-22 January, 2009. (view at SPIE)

21.    E. Gonzalez and A.M. Grigoryan, “Reversible integer 2-D Fourier transform,” [7245A-2], International Conference: Electronic Imaging, Science and technology, IS&T/SPIE 21st Annual Symposium, San Diego, CA, 18-22 January, 2009. (view at SPIE)

22.    A.M. Grigoryan and M.M. Grigoryan, “Discrete signal induced unitary transforms,” (paper number: 577-827), in ISI Book (Thomson) published by American Conference on Applied Mathematics, WSEAS 2008, Cambridge, MA, March 24-26, 2008.

23.    F.T. Arslan and A.M. Grigoryan, “Enhancement of medical images by the paired transform,” in Proceedings of the 14th IEEE International Conference on Image Processing, vol. 1, pp. 537-540, San Antonio, Texas, September 16-19, 2007. (view at IEEE )

24.    A.M. Grigoryan and M.M. Grigoryan, “Discrete unitary transforms generated by moving waves” [6701-78], in the Proceedings of the International Conference: Wavelets XII, SPIE: Optics+Photonics 2007, San Diego, CA, 27-29 August, 2007. (view at SPIE )

25.    A.M. Grigoryan and M.M. Grigoryan, “New discrete unitary Haar-type heap transforms” [6701-79], in the Proceedings of the International Conference: Wavelets XII, SPIE: Optics+Photonics 2007, San Diego, CA, 27-29 August, 2007. (view at SPIE )

26.    A.M. Grigoryan and M.M. Grigoryan, “Nonlinear approach of construction of fast unitary transforms,” in the Proceedings of the 40th Annual Conference on Information Sciences and Systems (CISS 2006), Princeton Univ., pp. 1073-1078, March 22-24, 2006, Princeton. (view at IEEE )

27.    A.M. Grigoryan, S. Dursun, and M.M. Grigoryan, “Method of sliding norm transforms for peak-to-average power reduction in OFDM systems,” 2006 IEEE International Symposium on Industrial Electronics ISIE’06, June 9-13, Montreal, Canada. (view at IEEE )

28.    J.U. Anugom and A.M. Grigoryan, “Method of splitting signals by the paired transform,” 2006 IEEE International Symposium on Industrial Electronics ISIE’06, June 9-13, Montreal, Canada. (view at IEEE )

29.    S. Alla and A.M. Grigoryan, “Method of reconstruction of 3-D PET images from projections,” IEEE Region 5 Technical, Professional, and Student Conference (TPS 2006), April 6-8, San Antonio, TX, (view pdf file (1.9 MB) )

30.    F.T. Arslan, A.K. Chan, and A.M. Grigoryan, “Directional denoising of aerial images by splitting-signals,” IEEE Region 5 Technical, Professional, and Student Conference (TPS 2006), April 6-8, San Antonio, TX, (view pdf file (987 KB) )

31.    J.U. Anugom and A.M. Grigoryan, “Multiresolution signal processing by Fourier transform time-frequency correlation analysis,” IEEE Region 5 Technical, Professional, and Student Conference (TPS 2006), April 6-8, San Antonio, TX, (view pdf file (1.3 MB) )

32.    R.N. Raghunath, J.M. Moreno, and A.M. Grigoryan, “The novel Arc low-pass filter,” IEEE Region 5 Technical, Professional, and Student Conference (TPS 2006), April 6-8, San Antonio, TX, (view pdf file (599 KB) )

33.    F.T. Arslan and A.M. Grigoryan, “Alpha-rooting image enhancement by paired splitting-signals,” in the Proceedings of the 3rd IEEE International Symposium on Biomedical Imaging: from Macro to Nano, ISBI 2006, pp. 968-971, April 6-9, 2006, Arlington, VA ( view at IEEE )

34.    S. Alla, M.J. Moreno, and A.M. Grigoryan, “Novel method of tensor representation for reconstruction of 3D PET images from projections,” in Proceedings of SPIE — Volume 6246, Visual Information Processing XV, April 18-19, 2006 (view at SPIE )

35.    F.T. Arslan, J.M. Moreno, and A.M. Grigoryan, “Paired directional transform-based methods of image enhancement,” in Proceedings of SPIE — Volume 6246, Visual Information Processing XV, April 18-19, 2006 (view at SPIE )

36.    A.M. Grigoryan and S. Dursun, “Multiresolution of the Fourier transform,” in the Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, 2005 (ICASSP ’05), vol. 4, pp. 577–580, March 18-23, 2005, Philadelphia, PA ( view at IEEE )

37.    F.T. Arslan and A.M. Grigoryan, “Method of image enhancement by splitting-signals,” in the Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, 2005 (ICASSP ’05), vol. 4, pp. 177–180, March 18-23, 2005 ( view at IEEE )

38.    F.T. Arslan, A.M. Grigoryan, and A.C. Chan, “Method of tensor transform for directional clutter removal of aerial digital images,” DCDIS 4th International Conference on Engineering Applications and Computational Algorithms, Ontario, Canada, July 27-29, 2005.

39.    F.T. Arslan, J.M. Moreno, and A.M. Grigoryan, “New Methods of Image Enhancement” Quantum Information and Computation III. Edited by Donkor, Eric J.; Pirich, Andrew R.; Brandt, Howard E. Proceedings of the SPIE, Volume 5817, pp. 225-236, the International Conference of SPIE Defense and Security Symposium, Orlando, FL, March 29-31, 2005 (view at SPIE )

40.    A.M. Grigoryan, V.S. Bhamidipati, S. Alla, “New method of calculation of reversible integer 1D DCTs” [5672-24], presented by Phani Sagiraju in the International Conference: Image Processing: Algorithm and Systems IV, IS\&T/SPIE’s Annual Symposium, Electronic Imaging, San Jose, CA, 16-20 January, 2005 (view at SPIE )

41.    N. Ranganadh, P. Patel, and A.M. Grigoryan, “Implementation of the DFT using radix-2 and paired transform algorithms,” 17th International Conference on Computer Applications in Industry and Engineering, CAINE-2004, Orlando, Florida USA, Nov. 17-19, 2004.

42.    A.M. Grigoryan and S.-C. Liu, “New method of image reconstruction from projections,” Proceedings, IEEE International Symposium on Biomedical Imaging: from Macro to Nano, ISBI 2004, pp. 776-779, April 2004, Arlington, VA ( view at IEEE )

43.    A.M. Grigoryan and F.T. Arslan, “Image enhancement by the tensor transform,” Proceedings, IEEE International Symposium on Biomedical Imaging: from Macro to Nano, ISBI 2004, pp. 816-819, April 2004, Arlington, VA ( view at IEEE )

44.    A.M. Grigoryan, S. Dursun, and E.E Regentova, “Lossless Encoding Based on Redistribution of Statistics,” Proceedings of IEEE International Conference on Information Technology: Coding and Computing, ITCC-2004, vol. 2, pp. 620-624, Las Vegas, Nevada, USA, April 5-7, 2004.  (view at IEEE )

45.    V. S. Bhamidipati and A.M. Grigoryan, “Parametrized reversible integer discrete cosine transforms,” [EI 5298-2] Proceedings of SPIE-IS\&T, Electronic Imaging, SPIE vol. 5298, pp. 13-24, San Jose, CA, 19-21 January, 2004. (view at SPIE )

46.    F.T. Aslan, J.G. Vital, and A.M. Grigoryan, “Method of arithmetical thresholding of images,” [EI 5298-24] Proceedings of SPIE-IS\&T, Electronic Imaging, SPIE vol. 5298, pp. 200-211, San Jose, CA, 19-21 January, 2004). (view at SPIE )

47.    A.M. Grigoryan, S. Agaian, A.R. Manukyan, “A novel method of splitting the 3-D discrete Hartley transform,” in Proceedings of the IEEE International Conference on Image Processing, ICIP-2003, vol. 1, pp. 1009-1012, Sept. 14-17, 2003. ( view at IEEE )

48.    A.M. Grigoryan, “Nontraditional cross sections and morphological operations,” [5014-18] (Image Processing: Algorithms and Systems II, Electronic Imaging, Science and Technology 2003, IS&T/SPIE 15 Annual Symposium, Santa Clara, CA, January 20-24, 2003). (view at SPIE )

49.    A.M. Grigoryan and S.S. Agaian, “Tensor form of image representation: Enhancement by image-signals,” [5014-26] (Image Processing: Algorithms and Systems II, Electronic Imaging, Science and Technology 2003, IS&T/SPIE 15 Annual Symposium, Santa Clara, CA, January 20-24, 2003) (view at SPIE )

50.    A.M. Grigoryan, “Paired algorithm of the 1-D discrete Hartley transform,” (The International Signal Processing Conference (ISPC) and Global Signal Processing Expo (GSPx), Dallas, March 31-April 3, 2003).

51.    A.M. Grigoryan, P.A. Patel, and N. Ranganadh, “Novel algorithm of the Haar transform,” (ISPC & GSPx, Dallas, March 31-April 3, 2003).

52.    A.M. Grigoryan and E.E Regentova, “A New Optimal Encoding Method,” (accepted to the 36th Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, USA, November 3-6, 2002.)

53.    A.M. Grigoryan and E.E Regentova, “A new method of optimal coding,” Processing of Third IEEE International Conference on Information Technolgy: Coding and Computing, ITCC-2002, pp. 378-382, Las Vegas, Nevada, USA, April 8-10, 2002,  ( view at IEEE )

54.    A.M. Grigoryan and E.R. Dougherty, “Automatic counting of illuminated spheres in a random Boolean model,”[4667-21] Processing of SPIE, Image Processing: Algorithms and Systems Conference, Electronic Imaging 2002, IS&T/SPIE 13 International Symposium, San Jose, January 21-23 2002. (view at SPIE )

55.    A.M. Grigoryan and E.R. Dougherty, “Morphological counting of illuminated 3D bodies,” [4304-06] Processing of SPIE, “Nonlinear Image Processing and Pattern Analysis XII” Conference, Electronic Imaging 2001, IS&T/SPIE 13 International Symposium, San Jose, January 22-23 2001. (view at SPIE )

56.    A.M. Grigoryan, S.S. Agaian, and E.R. Dougherty, “Splitting of the 2-D Hexagonal DFT,” Processing of the conference Pattern Recognition and Information Processing – PRIP’2001, Belarus, 2001.

57.    S. Agaian, K.A. Panetta, and A. Grigoryan, “A new measure of image enhancement,” IASTED International Conference on Signal Processing and Communications, pp. 19-22, July 3-6, 2000, Rhodes, Greece.

58.    G.H. Hostetter, A.M. Grigoryan, C.L. Andersen, L. Bubendorf, J. Kononen, E.R.  Dougherty, and O.P. Kallioniemi, “Towards Automated Spot Counting of Interphase FISH Experiments on Tissue Microarray” [2849] 2001 Annual Meeting of American Association for Cancer Research, New Orleans, March 24-29, 2001.

59.    G.H. Hostetter, A.M. Grigoryan, C.L. Andersen, L. Bubendorf, J. Kononen, E.R.  Dougherty, and O. Kallioniemi, “Design of an Automated Spot Counting Program for Interphase FISH on the Tissue Microarray” [318] 50th Annual Meeting of the American Society of Human Genetics, Philadelphia, October 3 – 7, 2000.

60.    L. Bubendorf, A.M. Grigoryan, J. Kononen, M. Barlund, O. Monni, A. Kallioniemi, G. Sauter, E.R. Dougherty, and O. Kallioniemi, “FISH on tissue microarrays: Towards automated analysis of genetic alterations in thousands of tumors with multiple probes,” The Eighth International Workshop on Chromosomes in Solid Tumors, Tucson, AZ, January 30 – February 1, 2000.

61.    A. M. Grigoryan, E.R. Dougherty, L. Bubendorf, J. Kononen, and O. Kallioniemi, “Rapid analysis of gene copy numbers by FISH and automatic spot counting from stacked confocal images” [3924-21] BIOS 2000, International Biomedical Optics Symposium, Conference Molecular Imaging: Reporters, Dyes, Markers, Instrumentation II, San Jose, California, January 2000.( view at SPIE )

62.    L. Bubendorf, J. Kononen, M. Barlund, A. Kallioniemi, A. Grigoryan, G. Sauter, E. R. Dougherty, and O.-P. Kallioniemi, “Tissue microarray FISH and digital imaging: towards automated analysis of thousands of tumors with thousands of probes” [316] Cancer Genetics, 49th Annual Meeting of the American Society of Human Genetics, Moscone Center in San Francisco, California, October 19 – 23, 1999. (The authors have received Postdoctoral Translation Research Award at ASHG)

63.    A.M. Grigoryan, S.S. Agaian, and E.R. Dougherty, “Fibonacci thresholding, signal representation, and morphological filters,” EUSIPCO-2000, X European Signal Processing Conference, Tampere, Finland, Sept. 2000, pp. 2393-2396.

64.    A.M. Grigoryan and S.S. Agaian, “Three algorithms for computing the 2-D discrete Hartley transform,” ICIP 2000 Conference on Image Processing, 359-362 (Sep. 2000), Canada. ( view at IEEE )

65.    E.R. Dougherty, A.M. Grigoryan, J. Barrera, and N.S.T. Hirata, “Binary filter design: Optimization, Prior information, and Robustness [3475-24],” SPIE’s International Symposium on Optical Science, Engineering and Instrumentation: Mathematical Modeling and Estimation Techniques in Computer Vision, 23 July 1998, San Diego, California, USA. ( view at SPIE )

66.    A.M Grigoryan and E.R. Dougherty, “Designing Robust Binary Filters [3304-02],” in Proc. SPIE’s Symposium on Electronic Imaging: Science and Technology, January 1998, San Jose,USA. 

67.    E.R. Dougherty and A.M. Grigoryan, “Robustness of Optimal Binary Filters. [3167-12],” in Proc. SPIE’s International Symposium on Optic Science, Engineering, and Instrumentation: Statistical and Stochastic Methods in Image Processing II, 130-138 (July-August 97), San Diego, USA. ( view at SPIE )

68.    A.M. Grigoryan, “Mixed Median Filters and Their Properties [3026-03],” in Proc. SPIE’s Symposium on Electronic Imaging: Science and Technology, February 1997, San Jose, USA. (view at SPIE )

69.    A.M. Grigoryan and S.S. Agaian, “New Models and Nonlinear Filters for Image Restoration [2662-19],” in Proc. SPIE’s Symposium on Electronic Imaging: Science and Technology, 118-128 (February-January 96), San Jose, USA. [ view at SPIE )

70.    G.H. Sarukhanyan and A.M. Grigoryan, “Decomposition of the Hadamard matrices by orthogonal vectors; The paired algorithm for 1-D Hadamard transform,” in Proc. ISCIS IX Int. Symposium on Computer and Information Sciences, 10p, November 1996, Antalya, Turkey, 

71.    A.M. Grigoryan, S.S. Agaian, and J. Astola, “Quasilinear Spaces: A General Framework For Nonlinear Filtering [2424A-19],” in Proc. SPIE’s Symposium on Electronic Imaging: Science and Technology, 176-186 (February 95), San Jose, USA. (view at SPIE )

72.    A.M. Grigoryan, “New models of image restoration,” 6th International Conference CAIP’95: Computer Analysis of Images and Patterns, September 1995, Prague, Czech Republic.

73.    A.M. Grigoryan, “General two-cascade median quasilinear systems with second structural elements,” in Proc. CSIT’97 Conference on Computer Science and Information Technologies, September 97, Yerevan, Armenia.

74.    A.M. Grigoryan, “Efficient algorithms of the two-dimensional Hartley transform,” in Proc. CSIT’97 Conference on Computer Science and Information Technologies, September 97, Yerevan, Armenia.

75.    A.M. Grigoryan, “An algorithm for computing the two-dimensional Fourier transform of equal orders,” In Proc. On IX All-Union Conference on Coding, Part 2, pp. 42-52, Odessa 88, USSR.