Evolutionary design of filter bank based on quaternions. - Marek Parfieniuk; Alexander A. Petrovsky (ISSPA (2), 2003)

Quaternionic building block for paraunitary filter banks. - Marek Parfieniuk; Alexander A. Petrovsky (EUSIPCO, 2004)

Warped DFT as the basis for psychoacoustic model. - Marek Parfieniuk; Alexander A. Petrovsky (ICASSP (4), 2004)

Quaternionic approach to 8-channel general paraunitary filter bank. - Marek Parfieniuk; Alexander A. Petrovsky (EUSIPCO, 2005)

Frequency-domain auditory suppression modelling (FASM) - a WDFT-based anthropomorphic noise-robust feature extraction algorithm for speech recognition. - Alexei V. Ivanov; Marek Parfieniuk; Alexander A. Petrovsky (INTERSPEECH, 2005)

Quaternionic approach to the one-regular eight-band linear phase paraunitary filter banks. - Marek Parfieniuk; Alexander A. Petrovsky (EUSIPCO, 2006)

Structurally Orthogonal Finite Precision Implementation of the Eight Point DCT. - Marek Parfieniuk; Alexander A. Petrovsky (ICASSP (3), 2006)

Quaternionic formulation of the first regularity for four-band paraunitary filter banks. - Marek Parfieniuk; Alexander A. Petrovsky (ISCAS, 2006)

An application of the warped discrete Fourier transform in the perceptual speech enhancement. - Adam Borowicz; Marek Parfieniuk; Alexander A. Petrovsky (Speech Commun., 2006)

Dependencies between coding gain and filter length in paraunitary filter banks designed using quaternionic approach. - Marek Parfieniuk; Alexander A. Petrovsky (EUSIPCO, 2007)

Quaternionic Lattice Structures for Four-Channel Paraunitary Filter Banks. - Marek Parfieniuk; Alexander A. Petrovsky (EURASIP J. Adv. Signal Process., 2007)

Estimation of the instantaneous harmonic parameters of speech. - Elias Azarov; Alexander A. Petrovsky; Marek Parfieniuk (EUSIPCO, 2008)

A directional extension of the JPEG image codec. - Marek Parfieniuk (ISCAS, 2010)

High-Quality Time Stretch and Pitch Shift Effects for Speech and Audio Using the Instantaneous Harmonic Analysis. - Elias Azarov; Alexander A. Petrovsky; Marek Parfieniuk (EURASIP J. Adv. Signal Process., 2010)

Inherently lossless structures for eight- and six-channel linear-phase paraunitary filter banks based on quaternion multipliers. - Marek Parfieniuk; Alexander A. Petrovsky (Signal Process., 2010)

Quaternion Multiplier Inspired by the Lifting Implementation of Plane Rotations. - Marek Parfieniuk; Alexander A. Petrovsky (IEEE Trans. Circuits Syst. I Regul. Pap., 2010)

FPGA implementation of short critical path CORDIC-based approximation of the eight-point DCT - Maxim Vashkevich; Marek Parfieniuk; Alexander A. Petrovsky (CoRR, 2011)

Polyphase components of an image as video frames: A way to code still images using H.264. - Marek Parfieniuk (PCS, 2012)

Evaluation of DocBook 5.0 in Documenting Research Applications. - Kamil Kowalewski; Marek Parfieniuk; Oskar Swida; Marcin Kazberuk (Towards Modern Collaborative Knowledge Sharing Systems, 2012)

A Compiler for a Domain-Specific Language for Rapid Implementation of DSP Transforms and Filter Banks. - Marek Parfieniuk; Marcin Kazberuk; Kamil Kowalewski (Towards Modern Collaborative Knowledge Sharing Systems, 2012)

A Scalable Distributed Architecture for Emulating Unreliable Networks for Testing Multimedia Systems. - Marek Parfieniuk; Tomasz Lukaszuk; Tomasz Grzes (IP&C, 2013)

Pipelined embedded processor of quaternionic m-band wavelets for image multiresolution analysis. - Nicolai A. Petrovsky; Marek Parfieniuk; Alexander A. Petrovsky (MECO, 2013)

Short-critical-path and structurally orthogonal scaled CORDIC-based approximations of the eight-point discrete cosine transform. - Marek Parfieniuk; Maxim Vashkevich; Alexander A. Petrovsky (IET Circuits Devices Syst., 2013)

Encrypting Huffman-Encoded Data by Substituting Pairs of Code Words without Changing the Bit Count of a Pair. - Marek Parfieniuk; Piotr Jankowski 001 (CSS, 2014)

Wavelet-Like Lifting-Based Transform for Decomposing Images in Accordance with the Inter-prediction Principles of Video Coding. - Marek Parfieniuk (ICIAP (2), 2015)

Using the CS decomposition to compute the 8-point DCT. - Marek Parfieniuk (ISCAS, 2015)

On Area-Efficient Implementation of Data Delays in 7 Series Xilinx FPGAs. - Marek Parfieniuk; Sang Yoon Park (ISVLSI, 2016)

A versatile quaternion multiplier based on sparse-iteration 4D CORDIC. - Marek Parfieniuk; Sang Yoon Park (NEWCAS, 2016)

Sparse-Iteration 4D CORDIC Algorithms for Multiplying Quaternions. - Marek Parfieniuk; Sang Yoon Park (IEEE Trans. Computers, 2016)

A critique of some rough approximations of the DCT. - Marek Parfieniuk; Sang Yoon Park (SPA, 2018)

Versatile Quaternion Multipliers Based on Distributed Arithmetic. - Marek Parfieniuk; Sang Yoon Park (Circuits Syst. Signal Process., 2018)

A Parallel Factorization for Generating Orthogonal Matrices. - Marek Parfieniuk (PPAM (1), 2019)

Lifting-based Alternatives to the FFT for Computing the 4-, 8-, and 16-point Discrete Fourier Transforms. - Marek Parfieniuk (EUSIPCO, 2021)

Encrypting JPEG-compressed images by substituting Huffman code words. - Marek Parfieniuk (FedCSIS, 2022)