Anhui Agricultural Science Bulletin >
2025 , Vol. 31 >Issue 10: 109 - 113
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2025.10.025
Automatic registration technology of remote sensing images and its applications in agriculture
Received date: 2024-09-19
Online published: 2025-06-03
Automatic registration technology for remote sensing image is a critical foundation for multi-source image collaborative analysis. By establishing spatial mapping relationships, it addresses geometric inconsistencies between images and supports quantitative processing of surface information. This paper summarizes two mainstream registration technologies (gray-based and feature-based methods) and their related improvements, introduces applications of automatic registration in agriculture, and provides prospects for future development. Currently, gray-based methods enhance registration accuracy and efficiency by optimizing similarity metrics (e.g., cross-correlation, mutual information) and improving parameter-solving algorithms (e.g., ant colony optimization, particle swarm-Powell hybrid strategies). However, limitations persist in handling large-scale deformations and data redundancy. Feature-based methods achieve efficient registration through geometric feature extraction and matching (e.g., SIFT, SURF, and their variants), yet face challenges such as error accumulation and insufficient adaptation to local distortions. Recent advancements in deep learning, including end-to-end feature learning, convolutional neural network-based optical flow correction, and self-supervised methods, have significantly improved registration robustness. In agricultural applications, feature-based enhanced algorithms (e.g., SNS algorithm, adaptive corner detection, and dual-feature hybrid models) have been successfully applied to citrus plantation monitoring, rice growth assessment, and hilly farmland image registration, achieving efficiency gains and high precision. Future research should focus on addressing challenges such as local distortions caused by complex terrains, insufficient training data, and non-Euclidean structural feature extraction, while advancing the integration of deep learning with multimodal optimization algorithms to drive remote sensing image registration technology toward higher precision and intelligent development.
ZHANG Liangxia , XIE Liping , LIU Ruilong , XIA Yan . Automatic registration technology of remote sensing images and its applications in agriculture[J]. Anhui Agricultural Science Bulletin, 2025 , 31(10) : 109 -113 . DOI: 10.16377/j.cnki.issn1007-7731.2025.10.025
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