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how to compare two images?

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hp el 11 de Jun. de 2017
Comentada: hp el 11 de Jun. de 2017
how to compare two images, which operator should be used?.. if features are extracted how to compare features of two images?

Respuestas (2)

Stalin Samuel
Stalin Samuel el 11 de Jun. de 2017
click here to view similar discussions and solutions on image comparison

Image Analyst
Image Analyst el 11 de Jun. de 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?
  1 comentario
hp el 11 de Jun. de 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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