Embedded-to-lossless coding of motion-compensated prediction residuals in lossless video coding. - G. Charith K. Abhayaratne; Donald M. Monro (VCIP, 2001)

Lossless and nearly lossless digital video coding. - Guruge Charith Kanchana Abhayaratne (2002)

Quantization of adaptive 2D wavelet decompositions. - Béatrice Pesquet-Popescu; Henk J. A. M. Heijmans; G. Charith K. Abhayaratne; Gemma Piella (ICIP (3), 2003)

Discrete wavelet transforms that have an adaptive low pass filter. - G. Charith K. Abhayaratne (ISSPA (2), 2003)

Modifying integer wavelet transforms for scalable near-lossless image coding. - G. Charith K. Abhayaratne (VCIP, 2003)

Orthonormal integer block transforms for lossless coding: design and performance analysis. - G. Charith K. Abhayaratne (VCIP, 2003)

Texture analysis using adaptive biorthogonal wavelet packets. - G. Charith K. Abhayaratne; Ian Jermyn; Josiane Zerubia (ICIP, 2004)

Reducing aliasing in wavelets based downsampling for improved resolution scalability. - G. Charith K. Abhayaratne (ICIP (2), 2005)

Texture-adaptive mother wavelet selection for texture analysis. - G. Charith K. Abhayaratne; Ian H. Jermyn; Josiane Zerubia (ICIP (2), 2005)

Scalable near-lossless image coding. - G. Charith K. Abhayaratne (J. Electronic Imaging, 2006)

Morphological wavelet domain watermarking. - Deepayan Bhowmik; G. Charith K. Abhayaratne (EUSIPCO, 2007)

Reversible integer-to-integer mapping of N-point orthonormal block transforms. - G. Charith K. Abhayaratne (Signal Process., 2007)

A Generalised Model for Distortion Performance Analysis of Wavelet Based Watermarking. - Deepayan Bhowmik; Charith Abhayaratne (IWDW, 2008)

Multiple description scalar quantization with successive refinement. - Muhammad Majid; Charith Abhayaratne (EUSIPCO, 2009)

The effect of quality scalable image compression on robust watermarking. - Deepayan Bhowmik; Charith Abhayaratne (DPS, 2009)

Robust Visual Content Representation Using Compression Modes Driven Low-level Visual Descriptors. - Charith Abhayaratne; Farooq Muzammil (MMM, 2009)

Distributed multiple description image coding. - Muhammad Majid; Charith Abhayaratne (MMSP, 2009)

Fully scalable multiple description image coding. - Muhammad Majid; Charith Abhayaratne (MMSP, 2009)

Special issue on scalable coded media beyond compression. - Charith Abhayaratne; Ebroul Izquierdo; Marta Mrak; Stefano Tubaro (Signal Process. Image Commun., 2009)

Robustness analysis of blind watermarking for quality scalable image compression. - Deepayan Bhowmik; Charith Abhayaratne; Matthew Oakes (EUSIPCO, 2010)

Video watermarking using motion compensated 2D+t+2D filtering. - Deepayan Bhowmik; Charith Abhayaratne (MM&Sec, 2010)

Successive refinement of overlapped cell side quantizers for scalable multiple description coding. - Muhammad Majid; Charith Abhayaratne (PCS, 2010)

Scalable multiple description video coding using successive refinement of side quantizers. - Muhammad Majid; Charith Abhayaratne (PCS, 2010)

Visual attention-based watermarking. - Matthew Oakes; Deepayan Bhowmik; Charith Abhayaratne (ISCAS, 2011)

Video based technology for ambient assisted living: A review of the literature. - Fabien Cardinaux; Deepayan Bhowmik; Charith Abhayaratne; Mark S. Hawley (J. Ambient Intell. Smart Environ., 2011)

Reversible wavelet filter banks with side informationless spatially adaptive low-pass filters. - Charith Abhayaratne (J. Electronic Imaging, 2011)

Visual saliency estimation for video. - Matthew Oakes; Charith Abhayaratne (WIAMIS, 2012)

2D+t Wavelet Domain Video Watermarking. - Deepayan Bhowmik; Charith Abhayaratne (Adv. Multim., 2012)

Redundancy controllable scalable unbalanced multiple description bitstream generation for peer-to-peer video streaming. - Muhammad Majid; Charith Abhayaratne (Signal Process. Image Commun., 2012)

Kinect depth stream pre-processing for hand gesture recognition. - Muhammad Asad 001; Charith Abhayaratne (ICIP, 2013)

Scalable watermark extraction for real-time authentication of JPEG 2000 images. - Charith Abhayaratne; Deepayan Bhowmik (J. Real Time Image Process., 2013)

Multi-scale dithering for contouring artefacts removal in compressed UHD video sequences. - Yanxiang Wang; Charith Abhayaratne; Rajitha Weerakkody; Marta Mrak (GlobalSIP, 2014)

Running Gaussian reference-based reconstruction for video compressed sensing. - Wattanit Hotrakool; Charith Abhayaratne (ICASSP, 2014)

Colour space transforms for improved video compression. - Yanxiang Wang; Charith Abhayaratne; Rajitha Weerakkody; Marta Mrak (IWSSIP, 2014)

A New Saliency Model Using Intra Coded High Efficiency Video Coding (HEVC) Frames. - Matthew Oakes; Charith Abhayaratne (MMM (1), 2014)

On robustness against JPEG2000: a performance evaluation of wavelet-based watermarking techniques. - Deepayan Bhowmik; Charith Abhayaratne (Multim. Syst., 2014)

Mapping-free high dynamic range image compression. - Tian Feng; Sandipan Pal; Charith Abhayaratne (ICCE-Berlin, 2015)

Real-time recognition of activity levels for ambient assisted living. - Sandipan Pal; Tian Feng; Charith Abhayaratne (ICCE-Berlin, 2015)

Video-based activity level recognition for assisted living using motion features. - Sandipan Pal; Charith Abhayaratne (ICDSC, 2015)

Visual Attention-Based Image Watermarking. - Deepayan Bhowmik; Matthew Oakes; Charith Abhayaratne (IEEE Access, 2016)

Global motion compensated visual attention-based video watermarking. - Matthew Oakes; Deepayan Bhowmik; Charith Abhayaratne (J. Electronic Imaging, 2016)

Quality Scalability Aware Watermarking for Visual Content. - Deepayan Bhowmik; Charith Abhayaratne (IEEE Trans. Image Process., 2016)

Graph spectral domain feature representation for in-air drawn number recognition. - Basheer Alwaely; Charith Abhayaratne (EUSIPCO, 2017)

Graph spectral domain watermarking for unstructured data from sensor networks. - Hiba Al-Khafaji; Charith Abhayaratne (DSP, 2017)

Towards baseline-independent analysis of compressive sensed functional magnetic resonance image data. - Wattanit Hotrakool; Charith Abhayaratne (DSP, 2017)

Graph Spectral Domain Shape Representation. - Basheer Alwaely; Charith Abhayaratne (EUSIPCO, 2018)

Visual Saliency Guided High Dynamic Range Image Compression. - Tian Feng; Charith Abhayaratne (EUSIPCO, 2018)

The Jpeg-Blockchain Framework For Glam Services. - Deepayan Bhowmik; Ambarish Natu; Takaaki Ishikawa; Tian Feng; Charith Abhayaratne (ICME Workshops, 2018)

Graph Spectral Domain Features for Static Hand Gesture Recognition. - Basheer Alwaely; Charith Abhayaratne (EUSIPCO, 2019)

Graph Spectral Domain Blind Watermarking. - Hiba Al-Khafaji; Charith Abhayaratne (ICASSP, 2019)

Temporal Salience Based Human Action Recognition. - Salah Al-Obaidi; Charith Abhayaratne (ICASSP, 2019)

Adaptive Graph Formulation for 3D Shape Representation. - Basheer Alwaely; Charith Abhayaratne (ICASSP, 2019)

Graph Spectral Domain Feature Learning With Application to in-Air Hand-Drawn Number and Shape Recognition. - Basheer Alwaely; Charith Abhayaratne (IEEE Access, 2019)

Referenced compressed sensing for accurate and fast spatio-temporal signal reconstruction. - Wattanit Hotrakool; Charith Abhayaratne (J. Electronic Imaging, 2019)

Modeling Temporal Visual Salience for Human Action Recognition Enabled Visual Anonymity Preservation. - Salah Al-Obaidi; Hiba Al-Khafaji; Charith Abhayaratne (IEEE Access, 2020)

AGSF: Adaptive Graph Formulation and Hand-Crafted Graph Spectral Features for Shape Representation. - Basheer Alwaely; Charith Abhayaratne (IEEE Access, 2020)

Embedding Distortion Analysis in Wavelet-domain Watermarking. - Deepayan Bhowmik; Charith Abhayaratne (ACM Trans. Multim. Comput. Commun. Appl., 2020)

Covid-19 Diagnostic Using 3d Deep Transfer Learning for Classification of Volumetric Computerised Tomography Chest Scans. - Shuohan Xue; Charith Abhayaratne (ICASSP, 2021)

Making Sense of Neuromorphic Event Data for Human Action Recognition. - Salah Al-Obaidi; Hiba Al-Khafaji; Charith Abhayaratne (IEEE Access, 2021)

Graph Neural Network based Child Activity Recognition. - Sanka Mohottala; Pradeepa Samarasinghe; Dharshana Kasthurirathna; Charith Abhayaratne (ICIT, 2022)

2D Pose Estimation based Child Action Recognition. - Sanka Mohottala; Sandun Abeygunawardana; Pradeepa Samarasinghe; Dharshana Kasthurirathna; Charith Abhayaratne (CoRR, 2022)

Handcrafted localized phase features for human action recognition. - Seyed Mostafa Hejazi; Charith Abhayaratne (Image Vis. Comput., 2022)

Exploration of verbal descriptions and dynamic indoors environments for people with sight loss. - Abdulaziz Alrashidi; Peter Cudd; Charith Abhayaratne; Yoshihiko Gotoh (CHI Extended Abstracts, 2023)

SSDB-Net: A Single-Step Dual Branch Network for Weakly Supervised Semantic Segmentation of Food Images. - Qingdong Cai; Charith Abhayaratne (MMSP, 2023)

WCBnet: Weighted Convolutional Block Modelling of Signed-Value Error Levels for Image-Wise Copy-Move and Splicing Detection. - Ziyong Wang; Charith Abhayaratne (MMSP, 2023)

Region-of-Interest Aware 3D ResNet for Classification of COVID-19 Chest Computerised Tomography Scans. - Shuohan Xue; Charith Abhayaratne (IEEE Access, 2023)

GHOSM: Graph-based Hybrid Outline and Skeleton Modelling for Shape Recognition. - Basheer Alwaely; Charith Abhayaratne (ACM Trans. Multim. Comput. Commun. Appl., 2023)

Weakly-supervised Localization of Manipulated Image Regions Using Multi-resolution Learned Features. - Ziyong Wang; Charith Abhayaratne (BMVC Workshops, 2024)

Spatio-temporal graph neural network based child action recognition using data-efficient methods: A systematic analysis. - Sanka Mohottala; Asiri Gawesha; Dharshana Kasthurirathna; Pradeepa Samarasinghe; Charith Abhayaratne (Comput. Vis. Image Underst., 2025)

NLS: Natural-Level Synthesis for Hardware Implementation Through GenAI. - Kaiyuan Yang 002; Huang Ouyang; Xinyi Wang; Bingjie Lu; Yanbo Wang; Charith Abhayaratne; Sizhao Li; Long Jin 001; Tiantai Deng (CoRR, 2025)

AW-GATCN: Adaptive Weighted Graph Attention Convolutional Network for Event Camera Data Joint Denoising and Object Recognition. - Haiyu Li; Charith Abhayaratne (CoRR, 2025)