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how to compare two images?

hp 님이 질문을 제출함. 11 Jun 2017
최근 활동 hp 님이 댓글을 추가함. 11 Jun 2017
how to compare two images, which operator should be used?.. if features are extracted how to compare features of two images?

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Answer by Stalin Samuel on 11 Jun 2017

click here to view similar discussions and solutions on image comparison

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Answer by Image Analyst
on 11 Jun 2017

Depends on what you want to compare. How about if you simply subtract the two images? Will that work for you? Basically there's no way to answer this until you define what you want to compare. See the links on the right hand side of this page for a start. I mean you could be wanting to compare the area fraction of pixels that are different, the size distribution of fish, the clustering of stars in an astronomical image, the amount of noise in round-trip compression/decompressions routines, the number of plants in images of a crop taken at two different time points, and an infinite number of other things that can be compared. Do you understand from the prior examples that there is just no way to answer your question without more details?

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hp
on 11 Jun 2017
statistic information of query image, and the statistical features of folder of images stored in an excel sheet needed to be compared..

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