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Geometric Quality Assessment of Bundle Block Adjusted Mulit- Sensor Satellite Imageries : Volume Xl-8, Issue 1 (28/11/2014)

By Ghosh, S.

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Book Id: WPLBN0004016116
Format Type: PDF Article :
File Size: Pages 6
Reproduction Date: 2015

Title: Geometric Quality Assessment of Bundle Block Adjusted Mulit- Sensor Satellite Imageries : Volume Xl-8, Issue 1 (28/11/2014)  
Author: Ghosh, S.
Volume: Vol. XL-8, Issue 1
Language: English
Subject: Science, Isprs, International
Collections: Periodicals: Journal and Magazine Collection, Copernicus Publications
Historic
Publication Date:
2014
Publisher: Copernicus Publications, Göttingen, Germany
Member Page: Copernicus Publications

Description
Description: Advanced data processing Research Institute (ADRIN), Dept of Space, Govt of India 203 Akbar Road, Tarbund, Manovikas Nagar PO, Secunderabad 500009 (AP) , India. The integration of multi-sensor earth observation data belonging to same area has become one of the most important input for resource mapping and management. Geometric error and fidelity between adjacent scenes affects large-area digital mosaic if the images/ scenes are processed independently. A block triangulation approach Bundle Block Adjustment (BBA) system has been developed at ADRIN for combined processing of multi-sensor, multi-resolution satellite imagery to achieve better geometric continuity. In this paper we present the evaluation results of BBA software along with performance assessment and operational use of products thus generated.

The application evaluation deals with functional aspects of block-adjustment of satellite imagery consisting of data from multiple sources, i.e. AWiFs, LISS-3, LISS-4 and Cartosat-1 in various combinations as single block. It has provision for automatic generation of GCPs and tie-points using image metafile/ Rational Polynomial Coefficient's (RPC’s) and ortho/ merged/ mosaicked products generation. The study is carried out with datasets covering different terrain types (ranging from high mountainous area, moderately undulating terrain, coastal plain, agriculture fields, urban area and water-body) across Indian subcontinent with varying block sizes and spatial reference systems. Geometric accuracy assessment is carried out to figure out error propagation at scene based ortho/ merged products as well as block level. The experimental results confirm that pixel tagging, geometric fidelity and feature continuity across adjacent scenes as well as for multiple sensors reduced to a great extent, due to the high redundancy. The results demonstrate that it is one of the most affective geometric corrections for generating large area digital mosaic over High mountainous terrain using high resolution good swath satellite imagery, like Cartosat-1, with minimum human intervention.


Summary
Geometric Quality Assessment of Bundle Block Adjusted Mulit- Sensor Satellite Imageries

 

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