The rapid proliferation of deepfake audio poses significant threats to digital security and media integrity. This paper proposes a resilient semi-fragile audio watermarking framework for speech provenance authentication. The proposed Adaptive Bandlimited Spread-Spectrum (ABSS) embedder is guided by a psychoacoustic mas...
Kok Swee Sim, Md. Mijanur Rahman, M. Islam et al.· International Conference on...· 0 citations
Real-world images are often noisy. Noises may come from sensor limitations, low illuminations, and other factors. Regardless of the sources, noises degrade image's quality and often affect the accuracy of later analysis in computer vision. To solve this, various denoising methods have been proposed. However, many of th...
Kok Swee Sim, Iksan Bukhori, Mahda Laina Arnumukti et al.· International Conference on...· 0 citations
Standard environmental sound classification frameworks compress 1D acoustic waveforms into 2D Mel-Spectrograms, discarding raw phase boundaries and flattening fine-grained temporal envelopes. Deep 2D convolutional networks struggle to isolate transient, pulsed mechanical sounds like jackhammers or vehicle horns in nois...
Kai Liang Lew, C. Toa, Kok Swee Sim· International Conference on...· 0 citations
Space missions require reliable and safe physiological monitoring systems, as well as capable of continuous operation, as microgravity affects cardiovascular function and heart rhythm stability. This study develops and validates an intelligent in-ear photoplethysmography (PPG) system for continuous cardiac rhythm monit...
K. Azudin, Kok-Beng Gan, R. Jaafar et al.· Jurnal Kejuruteraan· 0 citations
Early discovery of cancer biomarkers in a consistent manner still represents an important challenge, because these are obtained from multi-omics data whose high dimensionality, heterogeneity and noise. Although deep learning outperforms conventional models for cancer analysis prediction, single-model methods usually la...
Kok Swee Sim, Md. Tahidul Islam, Md. Mijanur Rahman et al.· International Conference on...· 0 citations
A motion measurement system that improves body positioning by using computer vision techniques to quantitatively assess elbow flexibility and range of motion during rehabilitation, using a novel posture estimation model.
Kok Swee Sim, Mahda Laina Arnumukti· International Journal on Adv...· 0 citations
A novel cancer subtype classification framework using multi-omics integration and an ensemble-based parallel DL/ML architecture with multimodal autoencoder used for effective feature learning across omics types, overcoming the limitations of naïve concatenation is presented.
Mohammed Nasser Al-Andoli, Shing-Chiang Tan, Kok Swee Sim et al.· PeerJ Computer Science· 0 citations
Future works require better cross-dataset testing, more evaluations of unseen attacks, and reliability checks in real-world secure communication environments, as well as joint evidence that the models can handle new attacks and new datasets while remaining reliable in IoT, IIoT, SDN, and future internet environments.
Kai Liang Lew, Kok Swee Sim, Hao Xian Cheong· Frontiers in Communications...· 0 citations
This mini review surveys the current landscape of transformer-based approaches to digital watermarking and deepfake detection, with a focus on their capacity to operate across multiple modalities within unified architectures and tracing the progression from classical signal-based watermarking to attention-driven deep l...
Kok Swee Sim, M. Islam· Frontiers in Artificial Inte...· 0 citations
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