We describe an interactive, computer-assisted framework for combining parts of a set of photographs into a single composite picture, a process we call \u201cdigital photomontage.\u201d Our framework makes use of two techniques primarily: graph-cut optimization, to choose good seams within the constituent images so that they can be combined as seamlessly as possible; and gradient-domain fusion, a process based on Poisson equations, to further reduce any remaining visible artifacts in the composite. Also central to the framework is a suite of interactive tools that allow the user to specify a variety of high-level image objectives, either globally across the image, or locally through a painting-style interface. Image objectives are applied independently at each pixel location and generally involve a function of the pixel values (such as \u201cmaximum contrast\u201d) drawn from that same location in the set of source images. Typically, a user applies a series of image objectives iteratively in order to create a \ufb01nished composite. The power of this framework lies in its generality; we show how it can be used for a wide variety of applications, including \u201cselective composites\u201d (for instance, group photos in which everyone looks their best), relighting, extended depth of \ufb01eld, panoramic stitching, clean-plate production, stroboscopic visualization of movement, and time-lapse mosaics.<\/p>\n","protected":false},"excerpt":{"rendered":"
We describe an interactive, computer-assisted framework for combining parts of a set of photographs into a single composite picture, a process we call \u201cdigital photomontage.\u201d Our framework makes use of two techniques primarily: graph-cut optimization, to choose good seams within the constituent images so that they can be combined as seamlessly as possible; and gradient-domain […]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":null,"msr_publishername":"","msr_publisher_other":"","msr_booktitle":"","msr_chapter":"","msr_edition":"ACM Transactions on Graphics (TOG)","msr_editors":"","msr_how_published":"","msr_isbn":"","msr_issue":"","msr_journal":"ACM Transactions on Graphics 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