Multi-Image Super Resolution Framework for Detection and Analysis of Plant Roots

• URL: http://arxiv.org/abs/2601.05482v1
• Date: Fri, 09 Jan 2026 02:30:48 GMT
• Title: Multi-Image Super Resolution Framework for Detection and Analysis of Plant Roots
• Authors: Shubham Agarwal, Ofek Nourian, Michael Sidorov, Sharon Chemweno, Ofer Hadar, Naftali Lazarovitch, Jhonathan E. Ephrath,
• Abstract summary: We propose a novel underground imaging system that captures multiple overlapping views of plant roots.<n>We use a deep learning-based Multi-Image Super Resolution (MISR) framework to enhance root visibility and detail.<n>Our approach outperforms state-of-the-art super resolution baselines, achieving a 2.3 percent reduction in BRISQUE.
• Score: 2.6737900598082835
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Understanding plant root systems is critical for advancing research in soil-plant interactions, nutrient uptake, and overall plant health. However, accurate imaging of roots in subterranean environments remains a persistent challenge due to adverse conditions such as occlusion, varying soil moisture, and inherently low contrast, which limit the effectiveness of conventional vision-based approaches. In this work, we propose a novel underground imaging system that captures multiple overlapping views of plant roots and integrates a deep learning-based Multi-Image Super Resolution (MISR) framework designed to enhance root visibility and detail. To train and evaluate our approach, we construct a synthetic dataset that simulates realistic underground imaging scenarios, incorporating key environmental factors that affect image quality. Our proposed MISR algorithm leverages spatial redundancy across views to reconstruct high-resolution images with improved structural fidelity and visual clarity. Quantitative evaluations show that our approach outperforms state-of-the-art super resolution baselines, achieving a 2.3 percent reduction in BRISQUE, indicating improved image quality with the same CLIP-IQA score, thereby enabling enhanced phenotypic analysis of root systems. This, in turn, facilitates accurate estimation of critical root traits, including root hair count and root hair density. The proposed framework presents a promising direction for robust automatic underground plant root imaging and trait quantification for agricultural and ecological research.

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