Researchers develop performance technology for aerial and satellite image extraction

satellite image
Credit: Unsplash/CC0 Public Domain

The development of the world’s most performant neural network module for accurately extracting objects from aerial and satellite imagery is expected to have wide applications across various fields, according to DGIST and the research team of Dabeeo Inc.

With recent advancement of deep learning techniques, a branch of artificial intelligence (AI), application in the analysis of aerial and satellite imagery has become increasingly prevalent. However, existing models, being optimized for specific objects, had limitations in recognizing others. Additionally, these models often fail to reflect the morphological characteristics of objects, thereby leading to inaccurate results.

To address these issues, Professor Jaeyoun Hwang’s research team developed “DG-Net,” a neural network that provides far more accurate results than existing models and is applicable across a wide range of fields. DG-Net is an innovative artificial neural network that employs a test-time adaptive learning method, optimized for input images, to recognize object density and execute detailed segmentation.

DG-Net has exhibited superior performance in various object segmentation tasks within aerial and satellite imagery, notably achieving exceptional accuracy in geographic spatial object segmentation, marking the highest performance compared to existing models.

The innovative AI neural network developed by the research team is expected to not only improve the accuracy of geographic spatial object segmentation but also to be applicable in various application fields, such as environmental monitoring, urban planning, agriculture, and disaster management. It is anticipated to become an innovative solution in the remote sensing field for object segmentation using aerial or satellite imagery.

Professor Hwang from DGIST’s Department of Electrical and Computer Engineering stated, “The neural network developed through this research is a new neural network capable of extracting target objects from aerial and satellite images with high accuracy. Further advancements in related technology could see it applied in numerous fields, such as autonomous vehicles, defense, and medical imaging, thereby positively impacting the AI sector.”

The work is published in the journal IEEE Transactions on Geoscience and Remote Sensing.

More information:
Kyungsu Lee et al, Fine-Grained Binary Segmentation for Geospatial Objects in Remote Sensing Imagery via Path-selective Test-Time Adaptation, IEEE Transactions on Geoscience and Remote Sensing (2024). DOI: 10.1109/TGRS.2024.3378311

Provided by
DGIST (Daegu Gyeongbuk Institute of Science and Technology)

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Researchers develop performance technology for aerial and satellite image extraction (2024, April 22)
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