GTPred: Benchmarking MLLMs for Interpretable Geo-localization and Time-of-capture Prediction

• URL: http://arxiv.org/abs/2601.13207v1
• Date: Mon, 19 Jan 2026 16:34:25 GMT
• Title: GTPred: Benchmarking MLLMs for Interpretable Geo-localization and Time-of-capture Prediction
• Authors: Jinnao Li, Zijian Chen, Tingzhu Chen, Changbo Wang,
• Abstract summary: We introduce GTPred, a novel benchmark for geo-temporal prediction.<n>We evaluate MLLM predictions by jointly considering year and hierarchical location sequence matching.<n>Results also demonstrate that incorporating temporal information significantly enhances location inference performance.
• Score: 21.94131531384186
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Geo-localization aims to infer the geographic location where an image was captured using observable visual evidence. Traditional methods achieve impressive results through large-scale training on massive image corpora. With the emergence of multi-modal large language models (MLLMs), recent studies have explored their applications in geo-localization, benefiting from improved accuracy and interpretability. However, existing benchmarks largely ignore the temporal information inherent in images, which can further constrain the location. To bridge this gap, we introduce GTPred, a novel benchmark for geo-temporal prediction. GTPred comprises 370 globally distributed images spanning over 120 years. We evaluate MLLM predictions by jointly considering year and hierarchical location sequence matching, and further assess intermediate reasoning chains using meticulously annotated ground-truth reasoning processes. Experiments on 8 proprietary and 7 open-source MLLMs show that, despite strong visual perception, current models remain limited in world knowledge and geo-temporal reasoning. Results also demonstrate that incorporating temporal information significantly enhances location inference performance.

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