Fig. 4From: Ontology-guided segmentation and object identification for developmental mouse lung immunofluorescent imagesImage pre-processing of a mouse lung at developmental stage E16.5. All images share the same scale. a Reference image chosen from an image set for color correction. b Original appearance from a non-reference image in the image set. c Non-reference image after gradient correction. d Non-reference image after color correction (and gradient correction)Back to article page