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   Articles with "optical image" as a keyword



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Practical Approach for Controlling Optical Image Stabilization System

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recommendations! Published in 2019 at "International Journal of Control, Automation and Systems"

DOI: 10.1007/s12555-018-0913-0

Abstract: This paper proposes a practical methodology for designing an optical image stabilization system controller that consists of a gyro signal filter and feedback controller for a smart phone camera module called miniature camera module. Since… read more here.

Keywords: methodology; system; image stabilization; camera ... See more keywords

Invertible encryption network for optical image cryptosystem

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recommendations! Published in 2022 at "Optics and Lasers in Engineering"

DOI: 10.1016/j.optlaseng.2021.106784

Abstract: Abstract In this paper, an invertible encryption network (IENet) is firstly proposed for optical image cryptosystem, which applies a novel learning way to optical image encryption for the first time, to the best of our… read more here.

Keywords: network; invertible encryption; optical image; encryption ... See more keywords

Optical image and microchemical analysis of gold grains from a weathered profile of the Minvoul greenstone belt, northern Gabon

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recommendations! Published in 2019 at "Geological Magazine"

DOI: 10.1017/s0016756819000827

Abstract: Abstract Morphological characterization and quantification of gold particles by optical image analysis (OIA) and by compositional analysis of microprobes using scanning electron microscope and electron microprobe analysis techniques were carried out on gold grains from… read more here.

Keywords: gold grains; microchemical analysis; greenstone belt; optical image ... See more keywords

OGRN: optical-guided residual dense network for SAR image super-resolution reconstruction network

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recommendations! Published in 2024 at "International Journal of Remote Sensing"

DOI: 10.1080/01431161.2024.2408039

Abstract: ABSTRACT Although Convolutional Neural Networks have significantly improved the development of SAR image super-resolution (SR) technology in recent years, it is a very challenging problem to reconstruct SAR image with large-scale factors, such as ×4… read more here.

Keywords: image; sar image; reconstruction; optical image ... See more keywords

Optical image watermarking based on orbital angular momentum holography

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recommendations! Published in 2024 at "Chinese Physics B"

DOI: 10.1088/1674-1056/ad8cbd

Abstract: We propose an optical image watermarking scheme based on orbital angular momentum (OAM) holography. Multiple topological charges (TCs, l) of OAM, as multiple cryptographic sub-keys, are embedded into the host image along with the watermark… read more here.

Keywords: angular momentum; orbital angular; image; optical image ... See more keywords

Geometric control of the 1985 Wuqia earthquake rupture: insights from optical image correlation

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recommendations! Published in 2025 at "Geophysical Journal International"

DOI: 10.1093/gji/ggaf308

Abstract: The 1985 Mw 6.9 Wuqia earthquake, one of the strongest instrumentally recorded seismic events in the Pamir foreland thrust system, caused significant surface ruptures. The Pre-earthquake KH-9 and post-earthquake WorldView-3 and SPOT-6 satellite images are… read more here.

Keywords: earthquake; rupture; image correlation; optical image ... See more keywords

Learning SAR-to-Optical Image Translation via Diffusion Models With Color Memory

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recommendations! Published in 2024 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2024.3439516

Abstract: Synthetic aperture radar (SAR) and optical sensing are two important means of Earth observation. SAR-to-optical image translation (S2OIT) can integrate the advantages of both and assist SAR image interpretation under all-day and all-weather conditions. The… read more here.

Keywords: diffusion; optical image; translation; color ... See more keywords

Dim and Small Object Detection Using Transform-Based Feature Accumulative Enhancing in Astronomical Optical Image Sequences

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recommendations! Published in 2025 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"

DOI: 10.1109/jstars.2025.3632105

Abstract: The challenging task of detecting dim and small objects in astronomy optical image sequences is to distinguish them from a large number of stars and different kinds of noise. To address this issue, dim and… read more here.

Keywords: detection; object detection; dim small; optical image ... See more keywords

Atrous cGAN for SAR to Optical Image Translation

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recommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2020.3031199

Abstract: Conditional (cGAN)-based methods proposed so far for synthetic aperture radar (SAR)-to-optical image synthesis tend to produce noisy and unsharp optical outcomes. In this work, we propose the atrous-cGAN, a novel cGAN architecture that improves the… read more here.

Keywords: sar optical; optical image; image translation; atrous cgan ... See more keywords

Phase Congruency Order-Based Local Structural Feature for SAR and Optical Image Matching

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recommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2022.3171587

Abstract: Automatic matching of synthetic aperture radar (SAR) and optical images is a fundamental task in many remote sensing applications. However, due to different imaging modalities, conventional matching methods provide limited performances. In this letter, based… read more here.

Keywords: sar optical; optical image; feature; local structural ... See more keywords

A Comparative Analysis of GAN-Based Methods for SAR-to-Optical Image Translation

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recommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"

DOI: 10.1109/lgrs.2022.3177001

Abstract: Unlike optical sensors, synthetic aperture radar (SAR) sensors acquire images of the Earth’s surface with all-weather and all-time capabilities, which is vital in a situation such as a disaster assessment. However, SAR sensors do not… read more here.

Keywords: sar optical; optical image; gan based; image translation ... See more keywords