Katarzyna Koptyra

27 papers C 2Journal 12Unranked 13
YearRankTypeTitle / Venue / Authors
2024 — conf
Information Hiding in QR Codes using Segment Manipulation.
PerCom Workshops
Katarzyna Koptyra, Marek R. Ogiela
2023 J jnl
Steganography in IoT: Information Hiding with Joystick and Touch Sensors.
Sensors
Katarzyna Koptyra, Marek R. Ogiela
2022 — conf
An extension of imagechain concept that allows multiple images per block.
INFOCOM Workshops
Katarzyna Koptyra, Marek R. Ogiela
2022 J jnl
Steganography in IoT: Information Hiding with APDS-9960 Proximity and Gestures Sensor.
Sensors
Katarzyna Koptyra, Marek R. Ogiela
2022 J jnl
Subliminal Channels in Visual Cryptography.
Cryptogr.
Katarzyna Koptyra, Marek R. Ogiela
2021 J jnl
Eigenfaces-Based Steganography.
Entropy
Tomasz Hachaj, Katarzyna Koptyra, Marek R. Ogiela
2021 J jnl
Imagechain - Application of Blockchain Technology for Images.
Sensors
Katarzyna Koptyra, Marek R. Ogiela
2021 — conf
Information Hiding using Bucket Steganography.
ISSRE Workshops
Katarzyna Koptyra, Marek R. Ogiela
2020 J jnl
Distributed Steganography in PDF Files - Secrets Hidden in Modified Pages.
Entropy
Katarzyna Koptyra, Marek R. Ogiela
2020 J jnl
Lightweight and efficient approach for multi-secret steganography.
Int. J. Embed. Syst.
Katarzyna Koptyra, Marek R. Ogiela
2019 J jnl
Multiply information coding and hiding using fuzzy vault.
Soft Comput.
Katarzyna Koptyra, Marek R. Ogiela
2018 J jnl
Averaging of motion capture recordings for movements' templates generation.
Multim. Tools Appl.
Tomasz Hachaj, Katarzyna Koptyra, Marek R. Ogiela
2018 J jnl
Human actions recognition from motion capture recordings using signal resampling and pattern recognition methods.
Ann. Oper. Res.
Tomasz Hachaj, Marek R. Ogiela, Katarzyna Koptyra
2017 — conf
Advanced human motion analysis and visualization: Comparison of mawashi-geri kick of two elite karate athletes.
SSCI
Tomasz Hachaj, Marek R. Ogiela, Marcin Piekarczyk, Katarzyna Koptyra
2017 — conf
Averaging Three-Dimensional Time-Varying Sequences of Rotations: Application to Preprocessing of Motion Capture Data.
SCIA (1)
Tomasz Hachaj, Marek R. Ogiela, Marcin Piekarczyk, Katarzyna Koptyra
2017 — conf
Biometric Traits in Multi-secret Digital Steganography.
ICIAP Workshops
Katarzyna Koptyra, Marek R. Ogiela
2017 — conf
Embedding Strategies in Multi-secret Steganography.
3PGCIC
Katarzyna Koptyra, Marek R. Ogiela
2016 — conf
Concealing Additional Secrets Using Sharing Approach in Steganography.
BWCCA
Marek R. Ogiela, Katarzyna Koptyra
2016 C conf
Data-driven approach to human motion modeling with Lua and gesture description language.
ICMV
Tomasz Hachaj, Katarzyna Koptyra, Marek R. Ogiela
2016 C conf
Initial proposition of kinematics model for selected karate actions analysis.
ICMV
Tomasz Hachaj, Katarzyna Koptyra, Marek R. Ogiela
2016 — conf
Multi-level Steganography Based on Fuzzy Vault Systems and Secret Sharing Techniques.
BDTA
Katarzyna Koptyra, Marek R. Ogiela
2015 J jnl
Application of Assistive Computer Vision Methods to Oyama Karate Techniques Recognition.
Symmetry
Tomasz Hachaj, Marek R. Ogiela, Katarzyna Koptyra
2015 — conf
Effectiveness Comparison of Kinect and Kinect 2 for Recognition of Oyama Karate Techniques.
NBiS
Tomasz Hachaj, Marek R. Ogiela, Katarzyna Koptyra
2015 J jnl
False and multi-secret steganography in digital images.
Soft Comput.
Marek R. Ogiela, Katarzyna Koptyra
2015 — conf
Fuzzy Vault Schemes in Multi-secret Digital Steganography.
BWCCA
Katarzyna Koptyra, Marek R. Ogiela
2015 — conf
Human Actions Modelling and Recognition in Low-Dimensional Feature Space.
BWCCA
Tomasz Hachaj, Marek R. Ogiela, Katarzyna Koptyra
2015 — conf
Learning from Annotated Video: An Initial Study Based on Oyama Karate Tournament Recordings.
3PGCIC
Tomasz Hachaj, Marek R. Ogiela, Katarzyna Koptyra