Contrastive Time-Series Visualization Techniques for Enhancing AI Model Interpretability in Financial Risk Assessment

Chunhe Ni, Kun Qian, Jiang Wu and Hongbo Wang

Pinnacle Academic Press Proceedings Series, 2025, vol. 3, 134-146

Abstract: This paper presents a comprehensive framework for enhancing AI model interpretability in financial risk assessment through contrastive time series visualization techniques. Financial institutions increasingly deploy complex AI models for risk assessment, yet these models often function as "black boxes", creating significant interpretability challenges for analysts and regulatory compliance issues. We propose a novel approach that combines information theory-based visualization methods with interactive contrastive visual analytics to reveal critical temporal patterns driving model decisions. Our methodology integrates visual perception principles, entropy-based temporal importance weighting, and dimensionality reduction techniques optimized for financial time series data. The framework supports visual comparisons between normal and anomalous patterns, highlighting differences in feature attribution and decision boundaries across diverse risk scenarios. Empirical evaluation across multiple financial use cases demonstrates substantial improvements in analyst decision time (42.2%), inter-analyst agreement (24.4%), and anomaly detection rates (34.8%). The proposed implementation addresses computational efficiency challenges posed by large-scale financial datasets and ensures sub-100ms response times for interactive exploration through optimized data indexing and precomputation strategies. The approach bridges the gap between statistical model outputs and domain-specific financial knowledge, providing both global explanations of model behavior and contextual interpretations of specific predictions.

Keywords: time series visualization; financial risk assessment; model interpretability; contrastive visual analytics (search for similar items in EconPapers)
Date: 2025
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