English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

High resolution stereo satellite imagery is well suited for the creation of digital surface models (DSM). A system for highly automated\udand operational DSM and orthoimage generation based on CARTOSAT-1 imagery is presented, with emphasis on fully automated\udgeoreferencing. The proposed system processes level-1 stereo scenes using the rational polynomial coefficients (RPC) universal sensor\udmodel. The RPC are derived from orbit and attitude information and have a much lower accuracy than the ground resolution of\udapproximately 2.5 m. In order to use the images for orthorectification or DSM generation, an affine RPC correction is required. In\udthis paper, GCP are automatically derived from lower resolution reference datasets (Landsat ETM+ Geocover and SRTM DSM). The\udtraditional method of collecting the lateral position from a reference image and interpolating the corresponding height from the DEM\udignores the higher lateral accuracy of the SRTM dataset. Our method avoids this drawback by using a RPC correction based on DSM\udalignment, resulting in improved geolocation of both DSM and ortho images. Scene based method and a bundle block adjustment\udbased correction are developed and evaluated for a test site covering the nothern part of Italy, for which 405 Cartosat-1 Stereopairs are\udavailable. Both methods are tested against independent ground truth. Checks against this ground truth indicate a lateral error of 10\udmeters

the international archives of the photogrammetry, remote sensing and spatial information sciences/international archives of the photogrammetry, remote sensing and spatial information sciences

DSM BASED ORIENTATION OF LARGE STEREO SATELLITE IMAGE BLOCKS