Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XXXIX-B3, 211-216, 2012
http://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XXXIX-B3/211/2012/
doi:10.5194/isprsarchives-XXXIX-B3-211-2012
© Author(s) 2012. This work is distributed
under the Creative Commons Attribution 3.0 License.
 
31 Jul 2012
IMAGE FUSION APPLIED TO SATELLITE IMAGERY FOR THE IMPROVED MAPPING AND MONITORING OF CORAL REEFS: A PROPOSAL
M. Gholoum1, D. Bruce1, and S. Al Hazeam2 1School of Natural and Built Environments, Barbara Hardy Institute, University of South Australia, GPO Box 2471, Adelaide, SA, 5001, Australia
2Aquaculture, Fisheries and Marine Environmental Department, Kuwait Institute for Scientific Research, P O Box: 1638, 22017 Al-Salmyah, Kuwait
Keywords: Image Fusion, Coral Reef, Hyperion, WorldView 2, Environmental Management, Image Classification Abstract. A coral reef ecosystem, one of the most complex marine environmental systems on the planet, is defined as biologically diverse and immense. It plays an important role in maintaining a vast biological diversity for future generations and functions as an essential spawning, nursery, breeding and feeding ground for many kinds of marine species. In addition, coral reef ecosystems provide valuable benefits such as fisheries, ecological goods and services and recreational activities to many communities. However, this valuable resource is highly threatened by a number of environmental changes and anthropogenic impacts that can lead to reduced coral growth and production, mass coral mortality and loss of coral diversity. With the growth of these threats on coral reef ecosystems, there is a strong management need for mapping and monitoring of coral reef ecosystems. Remote sensing technology can be a valuable tool for mapping and monitoring of these ecosystems. However, the diversity and complexity of coral reef ecosystems, the resolution capabilities of satellite sensors and the low reflectivity of shallow water increases the difficulties to identify and classify its features.

This paper reviews the methods used in mapping and monitoring coral reef ecosystems. In addition, this paper proposes improved methods for mapping and monitoring coral reef ecosystems based on image fusion techniques. This image fusion techniques will be applied to satellite images exhibiting high spatial and low to medium spectral resolution with images exhibiting low spatial and high spectral resolution. Furthermore, a new method will be developed to fuse hyperspectral imagery with multispectral imagery. The fused image will have a large number of spectral bands and it will have all pairs of corresponding spatial objects. This will potentially help to accurately classify the image data. Accuracy assessment use ground truth will be performed for the selected methods to determine the quality of the information derived from image classification. The research will be applied to the Kuwait's southern coral reefs: Kubbar and Um Al-Maradim.

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Citation: Gholoum, M., Bruce, D., and Al Hazeam, S.: IMAGE FUSION APPLIED TO SATELLITE IMAGERY FOR THE IMPROVED MAPPING AND MONITORING OF CORAL REEFS: A PROPOSAL, Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XXXIX-B3, 211-216, doi:10.5194/isprsarchives-XXXIX-B3-211-2012, 2012.

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