Evaluating the Sensitivity of Image Fusion Quality Metrics to Image Degradation in Satellite Imagery

F. Samadzadegan, F.D. Javan

Research output: Contribution to journalArticleAcademicpeer-review

5 Citations (Scopus)


Referring to the high potential of topographic satellite in collecting high resolution panchromatic imagery and high spectral, multi spectral imagery, the purpose of image fusion is to produce a new image data with high spatial and spectral characteristics. It is necessary to evaluate the quality of fused image by some quality metrics before using this product in various applications. Up to now, several metrics have been proposed for image quality assessment; which are also applicable for quality evaluation of fused images. However, it seems more investigations are needed to inspect the potentials of proposed Image Fusion Quality Metrics (IFQMs) to registration accuracy, especially in high resolution satellite imagery. This paper focuses on such studies and, using different image fusion quality metrics, experiments are conducted to evaluate the sensitivity of such metrics to a set of high resolution satellite imagery covering urban areas. The obtained results clearly reveal that these metrics sometimes do not behave robust in the whole area and also their obtained results are inconsistence in different patch areas in comparison with the whole image. These limitations are in minimum situation for an image quality metric such as SAM and are completely tangible for image quality metrics such as ERGAS in case of multi modal and DIV and CC from mono modal category.
Original languageEnglish
Pages (from-to)431-441
Number of pages11
JournalJournal of the Indian Society of Remote Sensing
Issue number4
Publication statusPublished - 10 Jun 2011
Externally publishedYes


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