A pillar algorithm for K-means optimization by distance maximization for initial centroid designation. - Ali Ridho Barakbah; Yasushi Kiyoki (CIDM, 2009)

An Image Search System with Analytical Functions for 3D Color Vector Quantization and Cluster-based Shape and Structure Features. - Ali Ridho Barakbah; Yasushi Kiyoki (EJC, 2009)

An Emotion-Oriented Image Search System with Cluster based Similarity Measurement using Pillar-Kmeans Algorithm. - Ali Ridho Barakbah; Yasushi Kiyoki (EJC, 2010)

A Culture-Dependent Metadata Creation Method for Color-based Impression Extraction with Cultural Color Spaces. - Totok Suhardijanto; Yasushi Kiyoki; Ali Ridho Barakbah (EJC, 2010)

A Term-based Cross-Cultural Computing System for Multilingual Analysis with Phonological-Semantic Vector Spaces. - Totok Suhardijanto; Ali Ridho Barakbah; Yasushi Kiyoki (EJC, 2011)

An Implementation of Shared Key Generation Extracted from Received Signal Strength in Vehicular Ad-Hoc Communication. - Amang Sudarsono; Mike Yuliana; Prima Kristalina; Ali Ridho Barakbah (CANDAR, 2018)

Indexing and Finding Deep Neural Networks for Image Recognition. - Fazlur Rahman Nailussa'adaa Bintang; Tri Harsono; Ali Ridho Barakbah; Kosuke Takano (EJC, 2019)

AI-Sensing Functions with SPA-Based 5D World Map System for Ocean Plastic Garbage Detection and Reduction. - Yasushi Kiyoki; Shiori Sasaki; Ali Ridho Barakbah (EJC, 2022)