New Trends in High Resolution Imagery Processing

Dear Colleagues,

In the last twenty years, the exponential diffusion of high-resolution (HR) and very-high-resolution (VHR) satellite, UAV and terrestrial images and the advances in open and close source software and algorithms have stimulated methodological research in this field.

High-resolution satellite imagery (HRSI) became available in 1999 with the launch of IKONOS, the first civil satellite offering a spatial resolution of 1 m for panchromatic images. Since then other high-resolution satellite platforms have been launched with on board technologically advanced sensors that acquire panchromatic and multispectral images with, respectively, sub-metric and metric resolution. In addition, satellite with stereo and tri-stereo capabilities have been implemented to satisfy the increasing need for higher accuracy and larger area coverage for digital model production. Subsequently, the miniaturization of navigation systems has allowed the great diffusion of drones with photogrammetric capabilities.

These recent advances in sensor technology and algorithm development enable the use of HR remote sensing imagery for development of various product as DTM/DEM and DSM, orthophoto and orthophotomosaics, three-dimensional photogrammetric models. The application fields are increasingly developing from landslide and landfill monitoring to archaeological applications, monitoring an active volcanic area, morphological studies and so on.

Independently of application, each product must be validated in order to define the metric level of precision and accuracy. In fact, high and very-high resolution images are affected by deformation mainly due to camera distortions and acquisition geometry, then they must undergo a geometric rectification process in order to be used for metrical purposes.

This Special Issue aims at collecting new developments, methodologies and applications of high and very high-resolution data for remote sensing. We welcome submissions which provide the community with the most recent advancements on all aspects of satellite remote sensing, including but not limited to:

• Geometric processing (orientation, orthorectification)
• Geometric quality assessment
• DSM/DEM/DTM extraction and validation
• New open-source solutions for high resolution imagery processing
• Application with multiresolution and multiplatform data
• New approaches for precision and accuracy assessment
• Improvements of existing methods for precision and accuracy assessment
• Monitoring an active volcanic area
• Landslide and landfill monitoring
• Archaeological applications
• New sensors on mobile device (High resolution camera,GNSS and Lidar)

Dr. Francesca Giannone
Dr. Valerio Baiocchi
Guest Editors

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