6 papers · 1 filter
Where Root Cause Analysis Fails: A Retrieval-Reranking Decomposition
Hada Melino Muhammad, Luan Pham, Laure Barrière +3
Identifying the root cause of an anomaly among hundreds of sensors is critical for preventing safety incidents and costly downtime in complex monitored systems. Existing studies ev…
Target-Weighted Neyman Allocation: Experimental Design for Heterogeneous Treatment Effects under Population Shift
Hoang Dang, Luan Pham, Minh Nguyen
Randomized experiments are often run in one population to guide decisions in another. Allocating by experimental proportions wastes budget on groups that rarely appear in deploymen…
Adaptive Radial Projection on Fourier Magnitude Spectrum for Document Image Skew Estimation
Luan Pham, Phu Hao Hoang, Xuan Toan Mai +1
Skew estimation is one of the vital tasks in document processing systems, especially for scanned document images, because its performance impacts subsequent steps directly. Over th…
Facial Expression Recognition Using Residual Masking Network
Luan Pham, The Huynh Vu, Tuan Anh Tran
Automatic facial expression recognition (FER) has gained much attention due to its applications in human-computer interaction. Among the approaches to improve FER tasks, this paper…
Effect-Level Validation for Causal Discovery
Hoang Dang, Luan Pham, Minh Nguyen
Causal discovery is increasingly applied to large-scale telemetry data to estimate the effects of user-facing interventions, yet its reliability for decision-making in feedback-dri…
Graph-Free Root Cause Analysis
Luan Pham
Failures in complex systems demand rapid Root Cause Analysis (RCA) to prevent cascading damage. Existing RCA methods that operate without dependency graph typically assume that the…