Novelty towards Hybrid Segmentation of Coronary Artery in CT Cardiac Images. - Valliappan Raman; Patrick Hang Hui Then (SNPD, 2008)

Digital Mammogram Tumor Preprocessing Segmentation Feature Extraction and Classification. - Valliappan Raman; Patrick Hang Hui Then; Putra Sumari (CSIE (2), 2009)

First Prototype of Aquatic Tool Kit: Towards Low-Cost Intelligent Larval Fish Counting in Hatcheries. - Brian Chung Shiong Loh; Valliappan Raman; Patrick Hang Hui Then (DASC, 2011)

Computer Assisted Counter System for Larvae and Juvenile Fish in Malaysian Fishing Hatcheries by Machine Learning Approach. - Valliappan Raman; Sundresan Perumal; Sujata Navaratnam; Siti Fazilah (J. Comput., 2016)

Exploratory Study for Data Visualization in Internet of Things. - Mohamad Yuzrie Khalid; Patrick Hang Hui Then; Valliappan Raman (COMPSAC (2), 2018)

Anomaly Detection from Diabetes Similarity Graphs using Community Detection and Bayesian Techniques. - Yakub Sebastian; Jason Thomas Chew; Xun Ting Tiong; Valliappan Raman; Alan Yean Yip Fong; Patrick Hang Hui Then (IMCOM, 2018)

A Survey on Biometrics and Cancelable Biometrics Systems. - Bismita Choudhury; Patrick H. H. Then; Biju Issac 001; Valliappan Raman; Manas Kumar Haldar (Int. J. Image Graph., 2018)

Deep Learning for The Automatic Diagnosis and Detection of Multiple Retinal Abnormalities. - Michelle K. S. Gian; Valliappan Raman; Patrick H. H. Then (J. Integr. Des. Process. Sci., 2019)

Towards Automated Detection of Contradictory Research Claims in Medical Literature Using Deep Learning Approach. - Fatin Syafiqah Yazi; Wan-Tze Vong; Valliappan Raman; Patrick Hang Hui Then; Mukulraj J. Lunia (CAMP, 2021)

Fog-based WSAN for Agriculture in Developing Countries. - Kevin Thomas Chew; Valliappan Raman; Patrick Hang Hui Then (SmartIoT, 2021)

Towards Accuracy Enhancement of Age Group Classification Using Generative Adversarial Networks. - Khaled ELKarazle; Valliappan Raman; Patrick H. H. Then (J. Integr. Des. Process. Sci., 2021)

Remote Arrhythmia Detection for Eldercare in Malaysia. - Kevin Thomas Chew; Valliappan Raman; Patrick Hang Hui Then (Sensors, 2021)

Facial Age Estimation Using Machine Learning Techniques: An Overview. - Khaled ELKarazle; Valliappan Raman; Patrick H. H. Then (Big Data Cogn. Comput., 2022)

Gender-specific Facial Age Group Classification Using Deep Learning. - Valliappan Raman; Khaled ELKarazle; Patrick H. H. Then (Intell. Autom. Soft Comput., 2022)

A review of scalable time series pattern recognition. - Kwan-Hua Sim; Kwan Yong Sim; Valliappan Raman (Int. J. Bus. Intell. Data Min., 2022)

Understanding the Usability of a Literature-Based Discovery System Among Clinical Researchers in Sarawak, Malaysia. - Celina Sze Jun Phang; Wan-Tze Vong; Yakub Sebastian; Valliappan Raman; Patrick Hang Hui Then (Int. J. Technol. Hum. Interact., 2022)

PolyLite: A Lightweight Transformer With Multi-Scale Attention for Colorectal Polyp Segmentation. - Khaled ELKarazle; Valliappan Raman; Caslon Chua; Patrick H. H. Then (SKIMA, 2023)

Improved Colorectal Polyp Segmentation Using Enhanced MA-NET and Modified Mix-ViT Transformer. - Khaled ELKarazle; Valliappan Raman; Patrick H. H. Then; Caslon Chua (IEEE Access, 2023)

RetSeg: Retention-based Colorectal Polyps Segmentation Network. - Khaled ELKarazle; Valliappan Raman; Caslon Chua; Patrick H. H. Then (CoRR, 2023)

Artificially Generated Facial Images for Gender Classification Using Deep Learning. - Valliappan Raman; Khaled ELKarazle; Patrick H. H. Then (Comput. Syst. Sci. Eng., 2023)

Detection of Colorectal Polyps from Colonoscopy Using Machine Learning: A Survey on Modern Techniques. - Khaled ELKarazle; Valliappan Raman; Patrick H. H. Then; Caslon Chua (Sensors, 2023)

A Hessian-Based Technique for Specular Reflection Detection and Inpainting in Colonoscopy Images. - Khaled ELKarazle; Valliappan Raman; Caslon Chua; Patrick H. H. Then (IEEE J. Biomed. Health Informatics, 2024)

Color space and colorectal polyps segmentation: An empirical study. - Khaled ELKarazle; Valliappan Raman; Caslon Chua; Patrick H. H. Then (Intell. Decis. Technol., 2025)

SCABNet: A Novel Polyp Segmentation Network With Spatial-Gradient Attention and Channel Prioritization. - Khaled ELKarazle; Valliappan Raman; Caslon Chua; Patrick H. H. Then (Int. J. Imaging Syst. Technol., 2025)