Dissecting and Reassembling Color Correction Algorithms for Image Stitching

Fabio Bellavia, Fabio Bellavia, Carlo Colombo

Risultato della ricerca: Articlepeer review

22 Citazioni (Scopus)


This paper introduces a new compositional framework for classifying color correction methods according to their two main computational units. The framework was used to dissect fifteen among the best color correction algorithms and the computational units so derived, with the addition of four new units specifically designed for this work, were then reassembled in a combinatorial way to originate about one hundred distinct color correction methods, most of which never considered before. The above color correction methods were tested on three different existing datasets, including both real and artificial color transformations, plus a novel dataset of real image pairs categorized according to the kind of color alterations induced by specific acquisition setups. Differently from previous evaluations, special emphasis was given to effectiveness in real world applications, such as image mosaicing and stitching, where robustness with respect to strong image misalignments and light scattering effects is required. Experimental evidence is provided for the first time in terms of the most recent perceptual image quality metrics, which are known to be the closest to human judgment. Comparative results show that combinations of the new computational units are the most effective for real stitching scenarios, regardless of the specific source of color alteration. On the other hand, in the case of accurate image alignment and artificial color alterations, the best performing methods either use one of the new computational units, or are made up of fresh combinations of existing units
Lingua originaleEnglish
pagine (da-a)735-748
Numero di pagine14
RivistaIEEE Transactions on Image Processing
Stato di pubblicazionePublished - 2018

All Science Journal Classification (ASJC) codes

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