biometrics biometrics

Prof. UŚ dr hab. Piotr Porwik

lp. Autorzy Tytuł Wydawnictwo Wolumen Strony Rok Plik Bibtex
1 M. Bernaś, B. Płaczek, P. Porwik, T. Pamuła Segmentation of vehicle detector data for improved k-nearest neighbours-based traffic flow prediction IET Intelligent Transport Systems (DOI: 10.1049/iet-its.2013.0164 ) 9(3) 264-274 2015
2 T. Wesołowski, P. Porwik Keystroke Data Classification for Computer User Profiling and Verification (DOI 10.1007/978-3-319-24306-1_57) Computational Collective Intelligence, Lecture Notes in Artificial Intelligence, Springer International Publishing 9330 588-597 2015
3 P. Kudłacik, P. Porwik, T. Wesołowski Fuzzy approach for intrusion detection based on user’s commands (DOI 10.1007/s00500-015-1669-6) Soft Computing, Springer-Verlag Berlin Heidelberg 2015
4 T. Wesołowski, P. Porwik User Verification Based on the Analysis of Keystrokes While Using Various Software Journal of Medical Informatics & Technologies (ISSN 1642-6037) 24 13-22 2015
5 T. Orczyk, P. Porwik Investigation of the Impact of Missing Value Imputation Methods on the k-NN Classification Accuracy Computational Collective Intelligence - 7th International Conference, Lecture Notes in Computer Science, Springer 9330 557-565 2015
6 M. Bernaś, T. Orczyk, P. Porwik Fusion of Granular Computing and k -NN Classifiers for Medical Data Support System Intelligent Information and Database Systems - 7th Asian Conference, Lecture Notes in Computer Science, Springer 9012 62-71 2015
7 P. Kudłacik, P. Porwik A new approach to signature recognition using the fuzzy method (DOI:10.1007/s10044-012-0283-9) Pattern Analysis & Applications 17, Issue 3 451-463 2014
8 P. Porwik, R. Doroz, T. Orczyk The k-NN classifier and self-adaptive Hotelling data reduction technique in handwritten signatures recognition Pattern Analysis and Applications, DOI 10.1007/s10044-014-0419-1, Print ISSN 1433-7541, Online ISSN 1433-755X 17(3) 2014
9 T. Orczyk, P. Porwik, M. Bernaś Medical Diagnosis Support System Based on the Ensemble of Single-Parameter Classifiers Journal of Medical Informatics & Technologies 23 173-179 2014
10 W. Froelich, K. Wróbel, P. Porwik Diagnosing Parkinson’s disease using the classification of speech signals Journal of Medical Informatics & Technologies 23 187-194 2014
11 P. Porwik, R. Doroz Self-adaptive Biometric Classifier Working on the Reduced Dataset Lecture Notes in Computer Science, ISBN:978-3-319-07617-1; 978-3-319-07616-4 ISSN: 0302-9743 8480 377-388 2014
12 T. Orczyk, P. Porwik, B. Krawczyk, M. Woźniak Adaptive Splitting and Selection Method for Noninvasive Recognition of Liver Fibrosis Stage. Lecture Notes in Computer Science, 5th Asian Conference, ACIIDS 2013, Kuala Lumpur, Malaysia 7803 215-224 2013
13 P. Porwik, R. Doroz Biometric features selection with k-nearest neighbours technique and Hotelling adaptation method CORES 2013, Advances in Intelligent and Computing, Springer Verlag (doi 10.1007/978-3-319-00969-8_24), (isbn 978-3-319-00968-1), (issn 978-3-319-00969-8) 226 247-256 2013
14 M. Pałys, R. Doroz, P. Porwik On-line signature recognition based on an analysis of dynamic feature IEEE Int. Conference on Biometrics and Kansei Engineering (ICBAKE 2013), Tokyo Metropolitan University Akihabara (doi 10.1109/ICBAKE.2013.20) 103-107 2013
15 R. Doroz, P. Porwik, K. Wróbel Signature Recognition Based on Voting Schemes IEEE Int. Conference on Biometrics and Kansei Engineering (ICBAKE 2013), Tokyo Metropolitan University Akihabara, Tokyo, Japan (doi 10.1109/ICBAKE.2013.11) 53-57 2013
16 M. Pałys, R. Doroz, P. Porwik Statistical analysis in signature recognition system based on Levenshtein distance CORES 2013, Advances in Intelligent and Computing, Springer Verlag (doi 10.1007/978-3-319-00969-8_21), (isbn 978-3-319-00968-1), 226 217-226 2013
17 T. Orczyk, P. Porwik, B. Krawczyk, M. Woźniak Cost Sensitive Hierarchical Classifiers for Non-Invasive Recognition of Liver Fibrosis Stage CORES 2013, Advances in Intelligent Systems and Computing. Springer Verlag 226 639-647 2013
18 T. Orczyk, P. Porwik, B. Krawczyk, M. Woźniak, J. Musialik, B. Błońska-Fajfrowska Neural Network Ensemble based on Feature Selection for Non-Invasive Recognition of Liver Fibrosis Stages (WSC17) The 17th Online World Conference on Soft Computing in Industrial Applications. Springer Verlag 2013
19 T. Orczyk, P. Porwik Influence of missing data imputation method on the classification accuracy of the medical data Journal of Medical Informatics & Technologies 22 112-116 2013
20 T. Orczyk, P. Porwik, B. Krawczyk, M. Woźniak, J. Musialik, B. Błońska-Fajfrowska E-medical diagnosis support system for non-invasive liver fibrosis recognition Studia Informatica Universalis 11 1-17 2013
21 T. Wesołowski, P. Porwik, M. Sosnowski Komputerowa analiza chropowatości tętnic na tomograficznym obrazie cyfrowym Systemy Wspomagania Decyzji (ISBN 978-83-62462-05-6), Zakopane 2011 299-306 2012
22 P. Porwik, T. Orczyk DTW and Voting-Based Lip Print Recognition System (The best paper award) Computer Information Systems and Industrial Management Conference, Venice, Italy, 2012. LNCS, 7564 191-202 2012
23 T. Orczyk, P. Porwik, B. Krawczyk, M. Woźniak, J. Musialik, B. Błońska-Fajfrowska Classification techniques for non-invasive recognition of liver fibrosis stage Journal of Medical Informatics & Technologies Vol. 20 121-127 2012
24 T. Orczyk, M. Pałys, P. Porwik, J. Musialik, B. Błońska-Fajfrowska Nieinwazyjna metoda przewidywania stopnia zwłóknienia wątroby Systemy Wspomagania Decyzji. Zakopane, 2011 283-289 2012
25 M. Pałys, R. Doroz, P. Porwik The use of methods of statistical analysis in signature recognition system based on Levenshtein distance Journal of Medical Informatics & Technologies (ISSN 1642-6037) Vol. 21 67-74 2012
26 P. Porwik, T. Wesołowski, K. Wróbel Ocena uwapnienia naczyń na tomograficznym obrazie cyfrowym w badaniu calcium score Systemy Wspomagania Decyzji (ISBN 978-83-62462-03-2), Zakopane 2010 291-297 2011
27 R. Doroz, P. Porwik Handwritten signature recognition with adaptive selection of behavioral features 10th Int. Conf. on Computer Information Systems & Industrial Management Applications (CISIM) 2011, Calcutta, India, Springer-Verlag,(DOI 10.1007/978-3-642-27245-5_17), (Print ISBN 978-3-642-27244-8), (Online ISBN 978-3-642-27245-5) Vol. 245 128-136 2011
28 P. Porwik, M. Sosnowski, K. Wróbel, T. Wesołowski The Attempt of The Blood Vessel Contractibility Estimation on The Basis of The Computed Tomography Imaging Journal Of Medical Informatics & Technologies (ISSN 1642-6037) 17 173-181 2011
29 T. Orczyk, P. Porwik Feature Based Face Detection Algorithm for Digital Still Images Image Processing and Communications Challenges 3. Advances in Intelligent and Soft Computing Vol. 102 59-64 2011
30 P. Porwik, M. Sosnowski, T. Wesołowski, K. Wróbel A Computational Assessment of a Blood Vessels Compliance: A Procedure Based on Computed Tomography Coronary Angiography Lecture Notes in Artificial Intelligence (LNAI), Springer 6678/1 428-435 2011
31 T. Orczyk, M. Pałys, P. Porwik, J. Musialik, B. Błońska-Fajfrowska Simple and non-invasive liver fibrosis stage prediction method Journal of Medical Informatics & Technologies Vol. 17 227-231 2011
32 L. Smacki, P. Porwik, K. Tomaszycki, S. Kwarcinska The lip print recognition using Hough Transform Journal of Medical Informatics & Technologies Vol. 14 31-38 2010
33 Ł. Więcław, P. Porwik The pixel alignment based algoritm for continuous orientation field estimation Journal of Medical Informatics & Technologies Vol. 15 47-52 2010
34 P. Porwik, R. Doroz, K. Wróbel A new signature similarity measure based on windows allocation technique Int. Journal of Computer Information Systems and Industrial Management Applications (IJCISIM), (ISSN: 2150-7988) Vol. 2 297-305 2010
35 P. Porwik, J. Zyguła, R. Doroz, R. Proksa Biometric recognition system based on the motion of the human body gravity centre analysis Journal of Medical Informatics & Technologies, (ISSN 1642-6037) Vol. 15 61-69 2010
36 T. Orczyk, P. Porwik An attempt to improve eigenface algorithm efficiency for colour images Journal of Medical Informatics & Technologies Vol. 16 201-208 2010
37 P. Porwik The modern techniques of latent fingerprint imaging (INVITED TALK) Proc. of the IEEE Int. Conf. on Computer Information and Industrial Managment Applications (CISIM2010) 29-33 2010
38 D. Głowacki, P. Porwik, T. Orczyk The new rule based colour classifier in the problem of human skin colour detection Journal of Medical Informatics & Technologies Vol. 14 39-48 2010
39 P. Porwik, R. Proksa Endpoints detection level for isolated words recognition In Monograph: Biometry - Special Issue. Centrum Inżynierii Biomedycznej, Gliwice. 53-68 2010
40 P. Porwik, Ł. Więcław Fingerprint ridges distance measurement from bitmap images In Monograph: Biometry - Special Issue. Centrum Inżynierii Biomedycznej, Gliwice. 41-52 2010
41 P. Porwik, K. Wróbel, R. Doroz A New Method of Handwritten Signature Recognition Based on Different Similarity Measures In book: Image Processing & Communications Challenges. Academy Publishing House EXIT, Warsaw, (ISBN 978-83-60434-62-8) 278-285 2009
42 P. Porwik, K. Wróbel, R. Doroz Signature recognition metohod by means of the windows technique Image Processing and Communication, An International Journal, (ISSN 1425-140X) Vol.14, No. 2/3 43-50 2009
43 P. Porwik Different methods of the fingerprints similarity measurement. A survey. (INVITED TALK) Proc. of the IEEE Int. Conf. on Computer Information Systems and Industrial Management Applications (CISIM2009) 2009
44 P. Porwik, R. Doroz, K. Wróbel A new signature similarity measure Proc. of the IEEE Int. Conf. on Computer Information Systems and Industrial Management Applications (CISIM2009) 1022-1027 2009
45 R. Doroz, K. Wróbel, P. Porwik Signatures recognition method by using the normalized Levenshtein distance Journal of Medical Informatics & Technologies, (ISSN 1642-6037) Vol. 13 73-77 2009
46 Ł. Więcław, P. Porwik, K. Tomaszycki Metody poprawy jakości cyfrowych obrazów linii papilarnych (Methods of enhancing digital fingerprint records) Konferencja: 100 lat daktyloskopii na Ziemiach Polskich, Warszawa. 2009
47 P. Porwik The biometric passport. The technical requirements and possibilities of using Proc. of the International IEEE Conference on Biometrics and Kansei Engineering (ICBAKE2009) 25-29 2009
48 P. Porwik, Ł. Więcław A new fingerprint ridges frequency determination method IEICE Int. Journal Electronics Express, Japan Vol.6, No. 3 154-160 2009
49 P. Porwik, R. Proksa Word extraction method in human speech processing Journal of Medical Informatics & Technologies Vol. 12 209-216 2009
50 P. Porwik Conditions of the affine extension of an incompletely defined Boolean function. International Journal Computing and Informatics. Slovak Academy of Science. 2009
51 P. Porwik The dedicated decision support system in recognition of some uncertain disease entities. Journal of Medical Informatics & Technologies. Vol. 13 97-100 2009
52 P. Porwik The biometric passport. The technical requirements and possibilities of using. International Multi-Conference on Biometrics and Kansei Engineering. ICBAKE'09. Cieszyn 25-29 2009
53 P. Porwik, I. Kostorz, T. Orczyk, J. Zyguła Technologie CISCO projektowania sieci komputerowych w przedsiębiorstwie. Uniwerystet Śląski. Zakładu Systemów Komputerowych. Wersja CD. 2009
54 P. Porwik, K. Wróbel, R. Doroz The Polish coins denomination counting by using oriented Circular Hough Transform. 6th Int. Conf. on Computer Recognition Systems 3, CORES'09. Advances in Soft Computing. Springer-Verlag, Berlin, Heidelberg, New York, (DOI 10.1007/978-3-540-93905-4_66), (Print ISBN 978-3-540-93904-7), (Online ISBN 978-3-540-93905-4) Vol. 57 569-576 2009
55 Ł. Więcław, P. Porwik Local binarization and fingerprint area extraction in recognition systems In Monograph: Biometrics. Instytut Maszyn Matematycznych, Warszawa. 97-106 2008
56 P. Porwik, K. Wróbel Signature preprocesing based on Walsh coefficients Journal of Medical Informatics & Technologies Vol. 12 57-61 2008
57 R. Doroz, P. Porwik, T. Para, K. Wróbel Dynamic signature recognition based on velocity changes of some features International Journal of Biometrics. Inderscience Publisher. (doi 10.1504/IJBM.2008.018663) Vol. 1, No.1 47-62 2008
58 P. Porwik, Ł. Więcław A new efficient method of fingerprint image enhancement International Journal of Biometrics. Inderscience Publisher. Vol. 1, No.1 36-46 2008
59 P. Porwik, Ł. Więcław Local binarization and fingerprint area extraction in recognition systems W monografii: BIOMETRYKA. Instytut Maszyn Matematycznych, Warszawa. 97-106 2008
60 P. Porwik, K. Wróbel Spectral modification of the LFSR sequence for test patterns generation improvement. Proc. of the 14th IEEE Int. Conf. MIXDES 07. Ciechocinek , Poland 539-544 2007
61 P. Porwik Combined Fingerprints Recognition Method Basing on Image Filtering, Minutiae Analysis and Reference Point Location. Elektronika, SIGMA-NOT. Nr 4, Wa-wa 31-39 2007
62 P. Porwik Efficient algorithm of affine form searching for weakly specified Boolean function. Fundamenta Informaticae. Vol. 77, No 3 277-291 2007
63 P. Porwik, T. Para Some handwritten signature parameters in biometric recognition process Proc. of the IEEE Int. Conf. on Information Technology Interfaces (ITI2007) 185-190 2007
64 T. Para, P. Porwik, K. Wróbel On-line signature recognition method based on linear regression Journal of Medical Informatics & Technologies Vol. 11 97-104 2007
65 P. Porwik, Ł. Więcław Fingerprint reference point detection using neighbourhood influence method Advances in Intelligent and Soft Computing, Springer-Verlag Vol. 45 786-793 2007
66 P. Porwik The compact three stages method of the signature recognition Proc. ot the Int. IEEE Conf. Computer Systems and Industrial Menagement Applications (CISIM2007) 282-287 2007
67 K. Wróbel, P. Porwik, E. Porwik Three dimensional image projection and its measurement by virtual reality modeling approach. Journal of Medical Informatics & Technologies. Vol. 11 123-133 2007
68 P. Porwik Combined off-line type signature recognition method. Journal of Medical Informatics & Technologies. Vol. 10 81-90 2006
69 P. Porwik, K. Wróbel, P. Żaczkowski Some practical remarks about Binary Decision Diagrams size reduction. IEICE Int. Journal Electronics Express. Japan. Vol. 3, No. 3 51-57 2006
70 P. Porwik, R. Stankovic Dedicated Spectral Method of Boolean Function Decomposition Int. Journal of Applied Mathematics and Computer Science. Vol.16, No.1 271-278 2006
71 P. Porwik Isolated word descriptors as control parameters of the computer applications Journal of Medical Informatics & Technologies Vol.10 pp.35-46 2006
72 P. Porwik Fast fingerprint recognition method based on reference point location (INVITED TALK) Proc. of the IEEE Workshop on Signal Processing 13-22 2006
73 P. Porwik User Voice Identification in Computer Applications Journal of Medical Informatics & Technologies Vol. 10 205-211 2006
74 P. Porwik, T. Para, L. Smacki, S. Zulawinski Combined off-line type signature recognition method Journal of Medical Informatics & Technologies Vol. 10 81-90 2006
75 P. Porwik The three-valued sign Walsh coefficients calculation for an affine Boolean function recognition. Arch. Theoret. Appl. Informatics. Polish Acad. Sci. Vol. 17, No. 3 199-212 2005
76 P. Porwik, K. Wróbel Metoda klasyfikowania obiektów graficznych aproksymowanych zbiorem odcinków. V Konferencja Telematyka i bezpieczeństwo ruchu Drogowego. Tibrd05. Katowice-Ustroń, T.5 129-136 2005
77 P. Porwik, K. Wróbel The new algorithm of fingerprint reference point location based on identification masks Advances in Intelligent and Soft Computing, Springer-Verlag Vol. 30 807-814 2005
78 P. Porwik, R. Doroz, S. Widuch Specjalizowane oprogramowanie środowiska Linux wspomagające pracę osób niewidomych. Konf. krajowa Informatyka w Edukacji i Kulturze, prac. zbiorowa (red. A. Mitas) Wyd. Wyższej Szkoły Zarządzania i Marketingu, Sosnowiec 154-162 2004
79 P. Porwik, A. Lisowska Practical 2D Signal Decomposition Based on Haar-Wavelet Transform. Journal of Applied Computer Sciences - JACS, 61-82 2004
80 P. Porwik Electronics in e-learning units. The International Distance Learning Workshop. University of Silesia. Katowice. 2004
81 P. Porwik Walsh Coefficients Distribution for Some Types of Boolean Function. Arch. Theoret. Appl. Informatics. Polish Acad. Sci. Vol. 16. No. 2 109-120 2004
82 P. Porwik, K. Wróbel Comparative Investigations of Similarity Measure Exploited in Medical Images Preselection. Journal of Medical Informatics & Technologies. Vol. 8 II25-II31 2004
83 P. Porwik Efficient Spectral Method of Identification of Linear Boolean Function. Int. Journal Control and Cybernetics. Vol. 4, No. 13 663-678 2004
84 P. Porwik, L. Żelechowski Niemożliwe staje się możliwe... czyli komputer dla niewidomych. Uniwersytet Mikołaja Kopernika w Toruniu. Wykład z pokazem na 4 toruńskim festiwalu nauki i sztuki. Toruń 22-25 2004
85 P. Porwik, K. Wróbel, P. Gołuch The Review and Comparision of the Images Similarity measures on the Basis of Transportation Objects. V Konf. Telematyka i Bezpieczeństwo Ruchu Drogowego. Tibrd 04. Ustron-Zawodzie 156-164 2004
86 P. Porwik, Ł. Więcław A new approach to reference point location in fingerprint recognition IEICE Int. Journal Electronics Express, Japan Vol. 1, No. 18 575-581 2004
87 P. Porwik, A. Lisowska The Haar Wavelet Transform in Digital Image Processing: its status and achievements. Int. Journal Machine Graphics & Vision. Vol. 13, No. 1/2 79-98 2004
88 P. Porwik, A. Lisowska The New Graphic Description of the Haar Wavelet Transform. Lect. Notes in Comp. Sci. Vol 3039. Springer-Verlag 1-8 2004
89 P. Porwik Orthogonal transforms for binary data features extraction. (in Polish) University of Silesia Press No. 2284. ISBN 83-22 2004
90 P. Porwik, K. Wróbel Spectral Identification of an Incompletely Defined Affine Boolean Function. 10-th IFAC Symposium on Large Scale Systems: Theory and Applications. Osaka. Japan 664-669 2004
91 P. Porwik, K. Wróbel Compression black-white images with the aid of binary decision diagrams. Advanced Simulation in Systems. ASIS 04. Sv. Hostyn. Czech Republic 223-229 2004
92 P. Porwik Wykorzystanie technik multimedialnych w nauczaniu dystansowym. Piotrkowskie Studia Pedagogiczne. Dydaktyka Informatyki. Akademia Świętokrzyska. T.10 49-56 2003
93 P. Porwik, K. Wróbel, J. Pyszny Combined Spectral-Heuristic Method of Finding the Reed-Muller Representation for Boolean Functions. Proc. of the European Conf. on Circuit Theory and Design ECCTD 03. Cracow. Poland. Vol. II 313-316 2003
94 P. Porwik, R. Doroz, K. Wróbel Searching and identification of transport images by means of the modified Hough transformation. Konferencja Telematyka i Bezpieczeństwo Ruchu Drogowego Tibrd 03, Ustroń-Zawodzie 126-135 2003
95 P. Porwik, K. Będkowski, L. Żelechowski, A. Lisowska Specialised LINUX Software Aiding Work of Blind Persons. Specialised LINUX Software Aiding Work of Blind Persons. Vol. 5 MT145-MT153 2003
96 P. Porwik The Spectral Test of the Boolean Function Linearity. Int. Journal of Applied Mathematics and Computer Science Vol. 13, No. 4 567-575 2003
97 P. Porwik, R. Doroz, S. Widuch, K. Wróbel Porównanie stratnych metod kompresji obrazu. XXXIV Int. Conf. ASIS 02, Ostrawa Czech Republic, (ISBN 80-85988-77-1) 195-200 2002
98 P. Porwik, R. Doroz, S. Widuch, K. Wróbel Szacowanie podobieństwa obrazów z wykorzystaniem transformaty Hougha. XXXIV th Int. Conf. ASIS 02, Ostrawa Czech Republic 171-177 2002
99 P. Porwik, M. Szczepankiewicz The Voice Synthetiser of Polish Text for Blind Persons. Journal of Medical Informatics & Technologies. Vol. 4 MT101-MT109 2002
100 P. Porwik Efficient calculation of the Reed-Muller form by means of the Walsh spectrum. Int. Journal of Applied Mathematics and Computer Science Vol. 12, No.4 571-579 2002
101 P. Porwik Use of the Boolean Function Spectral Characteristics in Functional Decomposition. Arch. Theoret. Appl. Informatics. Polish Acad. Sci Vol. 14, No. 4 277-296 2002
102 P. Porwik Properties of the Haar Transform in Digital Image Processing. Advanced Simulation of Systems ASIS 02. Ostrawa. Czech Republic 179-186 2002
103 P. Porwik Wykorzystanie transformaty Hougha w ocenie podobieństwa obiektów transportowych. Konf. Telematyka i bezpieczeństwo ruchu Drogowego. Ustroń-Jaszowiec 152-161 2002
104 P. Porwik, K. Wróbel, J. Pyszny Some remarks on line detection in images. 35 th Spring Int. Conference MOSIS 01, Ostrawa Czech Republic Vol.1 ISBN 80-85988- 315-319 2001
105 P. Porwik, K. Wróbel, S. Widuch, R. Doroz The method of preliminary medical images selection. Journal of Medical Informatics & Technologies Vol. 2 MI169-MI176 2001
106 P. Porwik Widmowe modelowanie systemów cyfrowych. Seminarium Katedry Automatyki Wydziału EAIiE AGH. Kraków 2001
107 P. Porwik Zastosowanie cech diagnostycznych widma Walsha i Haara w analizie właściwości funkcji boolowskich. Seminarium Instytutu Elektroniki i Telekomunikacji Wydziału Elektrycznego Politechniki Poznańskiej. Poznań 2001
108 P. Porwik, R. Doroz Some Remarks on Medical Images Compression. Journal of Medical Informatics & Technologies IT43-IT48 2000
109 P. Porwik, K. Wróbel Compression of Line Drawing Using Hough Transform for Investigation of Similarity of Images. Advanced Simulation of Systems ASIS 2000. Sv. Hostyn. Czech Republic 303-308 2000
110 P. Porwik, K. Wróbel The Hough Transform in Investigation of Similarity of Images. Int. Conf. Signal and Electronics Systems ICSES 2000. Ustron. Poland 175-180 2000
111 P. Porwik Cechy diagnostyczne widma Walsha i Haara. Szkoła Instytutu Matematyki Uniwersytetu Śląskiego.Szczyrk 2000
112 P. Porwik Spectral modelling of digital systems with specified features. (in Polish) University of Silesia Press. No. 1898. 2000
113 P. Porwik Towards Calculation of Boolean Functions Nonlinearity Using Walsh Transform. Arch. Theoret. Appl. Informatics. Polish Acad. Sci Vol. 12, No. 1 51-64 2000
114 P. Porwik Metody widmowe w kompresji obrazów. IV Krajowa Konferencja TIM 99, Ustroń-Jaszowiec PD23-PD32 1999
115 P. Porwik, B. Falkowski Evaluation of Nonlinearity in Boolean Functions by an Extended Walsh-Hadamard Transform. 2-nd Int. Conf. on Information, Comunication & Signal Processing. ICICS 99. Singapore. Paper 2B2.2 1999
116 P. Porwik, B. Falkowski Informatics Properties of the Walsh Transform 2-nd Int. Conf. on Information, Comunication & Signal Processing. ICICS 99. Singapore. Paper 2B2.4. 1999
117 P. Porwik, D. Słota Własności informatyczne transformaty Walsha. Własności informatyczne transformaty Walsha. Electronic and Telecommunications Quartely Polish Acad. Sci Vol. 45, No. 3-4 287-293 1999
118 P. Porwik Logic synthesis of incompletely specified Boolean functions by means of genetic algorithm. 20-th Int. Conf. on Information Technology Interfaces. ITI 98. Pula. Croatia 289-294 1998
119 P. Porwik Walsh transform and Decision Diagrams in verification of logic functions. XX National Conf. Circuit Theory and Electronics KKTOiUEn 97. Kołobrzeg. Poland 139-144 1997
120 P. Porwik Some aspects of Probabilistic Verification of Logic Functions Using Spectral method and Decision Diagrams. 11-th Int. Conf. Systems for Automation of Engineering and Reasearch. SAER 97. Varna. Bulgaria 47-53 1997
121 P. Porwik Hybrydowy system klasyfikacji obrazów w stanach dużego ryzyka rozpoznawania. II Krajowa Konferencja Techniki Informatyczne w medycynie. Ustroń-Jaszowiec 141-147 1997
122 P. Porwik Testability Oriented Modelling of Incompletely Boolean Functions. XIX-th Int. Conf. Workshop. Advanced Simulation of Systems ASIS 97. Krnov. Czech Republic 133-138 1997
123 P. Porwik, J. Adamczewski The object states Classification method in Diagnostics Experiments XXIV Ogólnopolskie Sympozjum PAN Diagnostyka Maszyn. Węgierska Górka 163-168 1997
124 P. Porwik, W. Jurczyk, A. Trojan Osadzanie obiektów multimedialnych w bazach danych. Informatyka 11/97 33-36 1997
125 P. Porwik Klasyfikator charakterystyk systemów cyfrowych wykorzystujący rozwinięcie Haara. Kongres Diagnostyki Technicznej KDT 96. Gdańsk Tom III, str. 169-17 1996
126 P. Porwik Tester układów scalonych z graficznym interfejsem użytkownika. Pomiary Automatyka Kontrola. 11/96 300-303 1996
127 P. Porwik Fault path detection using a spectral method. 5-th Int. Baltic Electronics Conf. BEC 96. Tallin. Estonia 315-318 1996
128 P. Porwik The class of digital systems tested with spectral coefficients. XIX National Conf. Circuit Theory and Electronics Circuits KKTiOUE 96. Krynica. Poland 195-200 1996
129 P. Porwik Reduction of the identification features for a digital object described with spectral method. XVIII National Conf. KKTOIUE 95, Zakopane , Polana-Zgorzelisko, Poland Vol.1 127-132 1995
130 P. Porwik Medyczne bazy danych z wbudowaną kompresją informacji. Techniki Informatyczne w Diagnostyce Medycznej. Międzyuczelniane Seminarium Naukowe Zakładu Elektroniki i Informatyki UŚl. Sosnowiec 1995
131 P. Porwik Ocena wydajności technologii Rushmore w bazie danych FoxPro. Informatyka 1/95 12-15 1995
132 P. Porwik, D. Bojanowicz Multimedialne bazy danych. Komputerowe Narzędzia Wspomagania Projektowania i Rozległe Systemy Komputerowe. Seminarium Naukowe Zakładu Elektroniki i Informatyki UŚl. Sosnowiec 1994
133 P. Porwik, D. Bojanowicz Modyfikowanie daty i czasu PC Kurier. No. 25 179-181 1994
134 P. Porwik, D. Bojanowicz Obsługa Drukarki. PC Kurier. No. 24 163-165. 1994
135 P. Porwik, D. Bojanowicz Semafory w sieci. PC Kurier. No.2 147-149 1994
136 P. Porwik, D. Bojanowicz Multimedialne bazy wiedzy - rekomendacje Informatyka 10/93 13-15 1993
137 P. Porwik, J. Gawin Wyznaczanie testów dla modułowych układów asynchronicznych. Elektronika nr 7/91 15-17 1991
138 P. Porwik Walsh functions in the analysis of the asynchronous digital systems. XII International Conference on Fault-Tolerant Systems and Diagnostics. FTSD 12. C. Budejovice. Czechoslovakia, Prague 1989
139 P. Porwik Wielostanowiskowy system pomiarowy sterowany mikrokomputerem ZX Spectrum. V Ogólnopolska konferencja Zastosowanie komputerów w przemyśle, Szczecin 231-234 1987
140 P. Porwik Walsh function in the Analising of Sequential Asynchronous Systems. IX Int. Conf. on Fault-Tolerant Systems and Diagnostics FTSD 09, Czechoslovakia, Brno, (Short note) 1986
141 P. Porwik Przyrząd do automatycznego i bezstykowego pomiaru średnicy kłód drewna. (PATENT) Czasopismo Przemysł drzewny, nr 3, NOT-SIGMA, Warszawa 1985
142 P. Porwik, H. Krzyż, J. Piecha Pobudzenia testowe dla różnorodnych struktur cyfrowych. Zeszyty naukowe UŚl. T-14, nr 445, Elektrotechnika, Katowice 54-63 1982
143 P. Porwik Quasi nierozróżnialne stany automatu w diagnostyce układów cyfrowych Zeszyty naukowe UŚl. T-20: Nr 677. Elektrotechnika. Katowice 39-47 1979
144 P. Porwik Opis programu automatycznej generacji pobudzeń testowych. Prace naukowe UŚl.(dodatek). Nr 306, Katowice 1979
145 P. Porwik Organizacja procesu generacji pobudzeń testowych na podstawie pokryć osobliwych układu cyfrowego. Materiały III Seminarium naukowego Bezpieczne układy Sterowania, WIS Radom 47-61 1979