Learning from Annotated Video: An Initial Study Based on Oyama Karate Tournament Recordings. - Tomasz Hachaj; Marek R. Ogiela; Katarzyna Koptyra (3PGCIC, 2015)

Human Actions Modelling and Recognition in Low-Dimensional Feature Space. - Tomasz Hachaj; Marek R. Ogiela; Katarzyna Koptyra (BWCCA, 2015)

Fuzzy Vault Schemes in Multi-secret Digital Steganography. - Katarzyna Koptyra; Marek R. Ogiela (BWCCA, 2015)

Effectiveness Comparison of Kinect and Kinect 2 for Recognition of Oyama Karate Techniques. - Tomasz Hachaj; Marek R. Ogiela; Katarzyna Koptyra (NBiS, 2015)

False and multi-secret steganography in digital images. - Marek R. Ogiela; Katarzyna Koptyra (Soft Comput., 2015)

Application of Assistive Computer Vision Methods to Oyama Karate Techniques Recognition. - Tomasz Hachaj; Marek R. Ogiela; Katarzyna Koptyra (Symmetry, 2015)

Multi-level Steganography Based on Fuzzy Vault Systems and Secret Sharing Techniques. - Katarzyna Koptyra; Marek R. Ogiela (BDTA, 2016)

Concealing Additional Secrets Using Sharing Approach in Steganography. - Marek R. Ogiela; Katarzyna Koptyra (BWCCA, 2016)

Data-driven approach to human motion modeling with Lua and gesture description language. - Tomasz Hachaj; Katarzyna Koptyra; Marek R. Ogiela (ICMV, 2016)

Initial proposition of kinematics model for selected karate actions analysis. - Tomasz Hachaj; Katarzyna Koptyra; Marek R. Ogiela (ICMV, 2016)

Embedding Strategies in Multi-secret Steganography. - Katarzyna Koptyra; Marek R. Ogiela (3PGCIC, 2017)

Biometric Traits in Multi-secret Digital Steganography. - Katarzyna Koptyra; Marek R. Ogiela (ICIAP Workshops, 2017)

Averaging Three-Dimensional Time-Varying Sequences of Rotations: Application to Preprocessing of Motion Capture Data. - Tomasz Hachaj; Marek R. Ogiela; Marcin Piekarczyk; Katarzyna Koptyra (SCIA (1), 2017)

Advanced human motion analysis and visualization: Comparison of mawashi-geri kick of two elite karate athletes. - Tomasz Hachaj; Marek R. Ogiela; Marcin Piekarczyk; Katarzyna Koptyra (SSCI, 2017)

Human actions recognition from motion capture recordings using signal resampling and pattern recognition methods. - Tomasz Hachaj; Marek R. Ogiela; Katarzyna Koptyra (Ann. Oper. Res., 2018)

Averaging of motion capture recordings for movements' templates generation. - Tomasz Hachaj; Katarzyna Koptyra; Marek R. Ogiela (Multim. Tools Appl., 2018)

Multiply information coding and hiding using fuzzy vault. - Katarzyna Koptyra; Marek R. Ogiela (Soft Comput., 2019)

Distributed Steganography in PDF Files - Secrets Hidden in Modified Pages. - Katarzyna Koptyra; Marek R. Ogiela (Entropy, 2020)

Lightweight and efficient approach for multi-secret steganography. - Katarzyna Koptyra; Marek R. Ogiela (Int. J. Embed. Syst., 2020)

Information Hiding using Bucket Steganography. - Katarzyna Koptyra; Marek R. Ogiela (ISSRE Workshops, 2021)

Eigenfaces-Based Steganography. - Tomasz Hachaj; Katarzyna Koptyra; Marek R. Ogiela (Entropy, 2021)

Imagechain - Application of Blockchain Technology for Images. - Katarzyna Koptyra; Marek R. Ogiela (Sensors, 2021)

An extension of imagechain concept that allows multiple images per block. - Katarzyna Koptyra; Marek R. Ogiela (INFOCOM Workshops, 2022)

Subliminal Channels in Visual Cryptography. - Katarzyna Koptyra; Marek R. Ogiela (Cryptogr., 2022)

Steganography in IoT: Information Hiding with APDS-9960 Proximity and Gestures Sensor. - Katarzyna Koptyra; Marek R. Ogiela (Sensors, 2022)

Steganography in IoT: Information Hiding with Joystick and Touch Sensors. - Katarzyna Koptyra; Marek R. Ogiela (Sensors, 2023)

Information Hiding in QR Codes using Segment Manipulation. - Katarzyna Koptyra; Marek R. Ogiela (PerCom Workshops, 2024)