SAR2EO: A High-resolution Image Translation Framework with Denoising Enhancement

• URL: http://arxiv.org/abs/2304.04760v2
• Date: Fri, 25 Aug 2023 17:28:26 GMT
• Title: SAR2EO: A High-resolution Image Translation Framework with Denoising Enhancement
• Authors: Jun Yu, Shenshen Du, Guochen Xie, Renjie Lu, Pengwei Li, Zhongpeng Cai, Keda Lu
• Abstract summary: We propose a framework, SAR2EO, to complete the conversion from low-resolution images to high-resolution images. Firstly, to generate high-quality EO images, we adopt the coarse-to-fine generator, multi-scale discriminators, and improved adversarial loss in the pix2pixHD model. Secondly, we introduce a denoising module to remove the noise in SAR images, which helps to suppress the noise while preserving the structural information of the images.
• Score: 10.11898520476921
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Synthetic Aperture Radar (SAR) to electro-optical (EO) image translation is a fundamental task in remote sensing that can enrich the dataset by fusing information from different sources. Recently, many methods have been proposed to tackle this task, but they are still difficult to complete the conversion from low-resolution images to high-resolution images. Thus, we propose a framework, SAR2EO, aiming at addressing this challenge. Firstly, to generate high-quality EO images, we adopt the coarse-to-fine generator, multi-scale discriminators, and improved adversarial loss in the pix2pixHD model to increase the synthesis quality. Secondly, we introduce a denoising module to remove the noise in SAR images, which helps to suppress the noise while preserving the structural information of the images. To validate the effectiveness of the proposed framework, we conduct experiments on the dataset of the Multi-modal Aerial View Imagery Challenge (MAVIC), which consists of large-scale SAR and EO image pairs. The experimental results demonstrate the superiority of our proposed framework, and we win the first place in the MAVIC held in CVPR PBVS 2023.

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