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Articles | Volume XLIII-B2-2022
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLIII-B2-2022, 65–70, 2022
https://doi.org/10.5194/isprs-archives-XLIII-B2-2022-65-2022
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLIII-B2-2022, 65–70, 2022
https://doi.org/10.5194/isprs-archives-XLIII-B2-2022-65-2022
 
30 May 2022
30 May 2022

ISRAELI NATIONAL AERIAL DATA CAPTURING STANDARD FOR GENERATION OF DIGITAL GEOSPATIAL PRODUCTS AT NATIONAL SCALE

E. Keinan, N. Shwarts, O. Siman Tov, H. Ronen, and R. Regev E. Keinan et al.
  • Survey of Israel, Lincoln 1, Tel-Aviv, 61141, Israel

Keywords: NMCA, digital photogrammetry, ortho imagery, GCP, GSD, DSM, DTM, point cloud

Abstract. Digital camera systems are a key component in the production of reliable, geometrically accurate, high-resolution geospatial products in a national scale. These systems have replaced film imaging in photogrammetric data capturing. Today, we are witnessing a proliferation of imaging sensors, collecting images in different ground resolutions, spectral bands, swath sizes, radiometric characteristics and accuracies being carried on varied mobile platforms. In addition, these imaging sensors combined with navigational tools (such as GPS and IMU), active sensors such as laser scanning and powerful processing tools, to obtain high quality geospatial products. The quality of these geospatial products based on the utilization of calibrated, high-quality digital camera systems.

The new Survey of Israel (SOI) regulations specify the quality requirements for each geospatial product including maps at different scales and for different purposes, elevation models, ortho imagery etc. In addition, the regulations require that digital camera systems utilized for mapping purposes should be certified, using a rigorous mapping systems certification and validation process, which are specified in the SOI Director General Instructions (DGI).

In 2019 the SOI has updated the camera certification and validation procedure and published a new national aerial capturing standard for digital geospatial products as a basis for the public bid in three main fields:

  1. Aerial data capturing including ground control points (GCP) measurements and aerial triangulation.
  2. Ortho imagery in several ground resolution distance (GSD) and several projections.
  3. Digital Elevation models including: points clouds, Digital Surface Model (DSM) and Digital Terrain Model (DTM).

This article provides the details of the Israeli Directive for camera certification and Standard for digital geospatial products including the main technical requirements of the public bid that was carried out.