Search Results for author: Kanchana Thilakarathna

Found 10 papers, 5 papers with code

SHFL: Secure Hierarchical Federated Learning Framework for Edge Networks

no code implementations23 Sep 2024 Omid Tavallaie, Kanchana Thilakarathna, Suranga Seneviratne, Aruna Seneviratne, Albert Y. Zomaya

By aggregating trained models at the edge, SHFL employs two novel methods to address model/data poisoning attacks in the presence of client adversaries: 1) a client selection algorithm running at the edge for choosing IoT devices to participate in training, and 2) a model AGR method designed based on convex optimization theory to reduce the impact of edge models from networks with adversaries in the process of computing the global model (at the cloud level).

Data Poisoning Edge-computing +1

CAFe: Cost and Age aware Federated Learning

no code implementations24 May 2024 Sahan Liyanaarachchi, Kanchana Thilakarathna, Sennur Ulukus

If enough clients have responded back, the round is deemed successful and the local gradients of all the clients that responded back are used to update the global model.

Federated Learning

The Frontier of Data Erasure: Machine Unlearning for Large Language Models

no code implementations23 Mar 2024 Youyang Qu, Ming Ding, Nan Sun, Kanchana Thilakarathna, Tianqing Zhu, Dusit Niyato

Large Language Models (LLMs) are foundational to AI advancements, facilitating applications like predictive text generation.

Machine Unlearning Text Generation

DiffPMAE: Diffusion Masked Autoencoders for Point Cloud Reconstruction

1 code implementation6 Dec 2023 Yanlong Li, Chamara Madarasingha, Kanchana Thilakarathna

By the nature of this reconstruction process, DiffPMAE can be extended to many related downstream tasks including point cloud compression, upsampling and completion.

Point cloud reconstruction Self-Supervised Learning

The Wyner Variational Autoencoder for Unsupervised Multi-Layer Wireless Fingerprinting

no code implementations28 Mar 2023 Teng-Hui Huang, Thilini Dahanayaka, Kanchana Thilakarathna, Philip H. W. Leong, Hesham El Gamal

Our information-theoretic approach can be extended to supervised and semi-supervised settings with straightforward derivations.

Variational Inference

3DLatNav: Navigating Generative Latent Spaces for Semantic-Aware 3D Object Manipulation

1 code implementation17 Nov 2022 Amaya Dharmasiri, Dinithi Dissanayake, Mohamed Afham, Isuru Dissanayake, Ranga Rodrigo, Kanchana Thilakarathna

However, most models do not offer controllability to manipulate the shape semantics of component object parts without extensive semantic attribute labels or other reference point clouds.

Attribute Disentanglement +1

Conservative Plane Releasing for Spatial Privacy Protection in Mixed Reality

1 code implementation17 Apr 2020 Jaybie A. de Guzman, Kanchana Thilakarathna, Aruna Seneviratne

Aside from objects being detected, spatial information also reveals the location of the user with high specificity, e. g. in which part of the house the user is.

Mixed Reality Specificity

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