Reliable Detection of Minute Targets in High-Resolution Aerial Imagery across Temporal Shifts

Fuente: arXiv
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Main Authors: Gholizadeh, Mohammad Sadegh, Rezapour, Amir Arsalan, Shayegh, Hamidreza, Pazouki, Ehsan
Format: Preprint
Published: 2025
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author Gholizadeh, Mohammad Sadegh
Rezapour, Amir Arsalan
Shayegh, Hamidreza
Pazouki, Ehsan
author_facet Gholizadeh, Mohammad Sadegh
Rezapour, Amir Arsalan
Shayegh, Hamidreza
Pazouki, Ehsan
contents Efficient crop detection via Unmanned Aerial Vehicles is critical for scaling precision agriculture, yet it remains challenging due to the small scale of targets and environmental variability. This paper addresses the detection of rice seedlings in paddy fields by leveraging a Faster R-CNN architecture initialized via transfer learning. To overcome the specific difficulties of detecting minute objects in high-resolution aerial imagery, we curate a significant UAV dataset for training and rigorously evaluate the model's generalization capabilities. Specifically, we validate performance across three distinct test sets acquired at different temporal intervals, thereby assessing robustness against varying imaging conditions. Our empirical results demonstrate that transfer learning not only facilitates the rapid convergence of object detection models in agricultural contexts but also yields consistent performance despite domain shifts in image acquisition.
format Preprint
id arxiv_https___arxiv_org_abs_2512_11360
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Reliable Detection of Minute Targets in High-Resolution Aerial Imagery across Temporal Shifts
Gholizadeh, Mohammad Sadegh
Rezapour, Amir Arsalan
Shayegh, Hamidreza
Pazouki, Ehsan
Computer Vision and Pattern Recognition
Efficient crop detection via Unmanned Aerial Vehicles is critical for scaling precision agriculture, yet it remains challenging due to the small scale of targets and environmental variability. This paper addresses the detection of rice seedlings in paddy fields by leveraging a Faster R-CNN architecture initialized via transfer learning. To overcome the specific difficulties of detecting minute objects in high-resolution aerial imagery, we curate a significant UAV dataset for training and rigorously evaluate the model's generalization capabilities. Specifically, we validate performance across three distinct test sets acquired at different temporal intervals, thereby assessing robustness against varying imaging conditions. Our empirical results demonstrate that transfer learning not only facilitates the rapid convergence of object detection models in agricultural contexts but also yields consistent performance despite domain shifts in image acquisition.
title Reliable Detection of Minute Targets in High-Resolution Aerial Imagery across Temporal Shifts
topic Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2512.11360