Katarzyna Koptyra

Publication Activity (10 Years)

Years Active: 2015-2024
Publications (10 Years): 27

Top Topics

Information Hiding

Top Venues

Publications

Katarzyna Koptyra, Marek R. Ogiela
Information Hiding in QR Codes using Segment Manipulation. PerCom Workshops (2024)
Katarzyna Koptyra, Marek R. Ogiela
Steganography in IoT: Information Hiding with Joystick and Touch Sensors. Sensors 23 (6) (2023)
Katarzyna Koptyra, Marek R. Ogiela
An extension of imagechain concept that allows multiple images per block. INFOCOM Workshops (2022)
Katarzyna Koptyra, Marek R. Ogiela
Steganography in IoT: Information Hiding with APDS-9960 Proximity and Gestures Sensor. Sensors 22 (7) (2022)
Katarzyna Koptyra, Marek R. Ogiela
Subliminal Channels in Visual Cryptography. Cryptogr. 6 (3) (2022)
Tomasz Hachaj, Katarzyna Koptyra, Marek R. Ogiela
Eigenfaces-Based Steganography. Entropy 23 (3) (2021)
Katarzyna Koptyra, Marek R. Ogiela
Information Hiding using Bucket Steganography. ISSRE Workshops (2021)
Katarzyna Koptyra, Marek R. Ogiela
Imagechain - Application of Blockchain Technology for Images. Sensors 21 (1) (2021)
Katarzyna Koptyra, Marek R. Ogiela
Lightweight and efficient approach for multi-secret steganography. Int. J. Embed. Syst. 12 (4) (2020)
Katarzyna Koptyra, Marek R. Ogiela
Distributed Steganography in PDF Files - Secrets Hidden in Modified Pages. Entropy 22 (6) (2020)
Katarzyna Koptyra, Marek R. Ogiela
Multiply information coding and hiding using fuzzy vault. Soft Comput. 23 (12) (2019)
Tomasz Hachaj, Katarzyna Koptyra, Marek R. Ogiela
Averaging of motion capture recordings for movements' templates generation. Multim. Tools Appl. 77 (23) (2018)
Tomasz Hachaj, Marek R. Ogiela, Katarzyna Koptyra
Human actions recognition from motion capture recordings using signal resampling and pattern recognition methods. Ann. Oper. Res. 265 (2) (2018)
Tomasz Hachaj, Marek R. Ogiela, Marcin Piekarczyk, Katarzyna Koptyra
Averaging Three-Dimensional Time-Varying Sequences of Rotations: Application to Preprocessing of Motion Capture Data. SCIA (1) (2017)
Katarzyna Koptyra, Marek R. Ogiela
Embedding Strategies in Multi-secret Steganography. 3PGCIC (2017)
Tomasz Hachaj, Marek R. Ogiela, Marcin Piekarczyk, Katarzyna Koptyra
Advanced human motion analysis and visualization: Comparison of mawashi-geri kick of two elite karate athletes. SSCI (2017)
Katarzyna Koptyra, Marek R. Ogiela
Biometric Traits in Multi-secret Digital Steganography. ICIAP Workshops (2017)
Tomasz Hachaj, Katarzyna Koptyra, Marek R. Ogiela
Initial proposition of kinematics model for selected karate actions analysis. ICMV (2016)
Marek R. Ogiela, Katarzyna Koptyra
Concealing Additional Secrets Using Sharing Approach in Steganography. BWCCA (2016)
Tomasz Hachaj, Katarzyna Koptyra, Marek R. Ogiela
Data-driven approach to human motion modeling with Lua and gesture description language. ICMV (2016)
Katarzyna Koptyra, Marek R. Ogiela
Multi-level Steganography Based on Fuzzy Vault Systems and Secret Sharing Techniques. BDTA (2016)
Tomasz Hachaj, Marek R. Ogiela, Katarzyna Koptyra
Human Actions Modelling and Recognition in Low-Dimensional Feature Space. BWCCA (2015)
Tomasz Hachaj, Marek R. Ogiela, Katarzyna Koptyra
Application of Assistive Computer Vision Methods to Oyama Karate Techniques Recognition. Symmetry 7 (4) (2015)
Tomasz Hachaj, Marek R. Ogiela, Katarzyna Koptyra
Learning from Annotated Video: An Initial Study Based on Oyama Karate Tournament Recordings. 3PGCIC (2015)
Marek R. Ogiela, Katarzyna Koptyra
False and multi-secret steganography in digital images. Soft Comput. 19 (11) (2015)
Tomasz Hachaj, Marek R. Ogiela, Katarzyna Koptyra
Effectiveness Comparison of Kinect and Kinect 2 for Recognition of Oyama Karate Techniques. NBiS (2015)
Katarzyna Koptyra, Marek R. Ogiela
Fuzzy Vault Schemes in Multi-secret Digital Steganography. BWCCA (2015)