Interactive GPU-based Image Deformation for Mobile Devices

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dc.contributor.authorVollmer, Jan Oleen_US
dc.contributor.authorTrapp, Matthiasen_US
dc.contributor.authorDöllner, Jürgenen_US
dc.contributor.editorCagatay Turkay and Tao Ruan Wanen_US
dc.date.accessioned2016-09-15T09:05:57Z
dc.date.available2016-09-15T09:05:57Z
dc.date.issued2016
dc.description.abstractInteractive image deformation is an important feature of modern image processing pipelines. It is often used to create caricatures and animation for input images, especially photos. State-of-the-art image deformation techniques are based on transforming vertices of a mesh, which is textured by the input image, using affine transformations such as translation, and scaling. However, the resulting visual quality of the output image depends on the geometric resolution of the mesh. Performing these transformations on the CPU often further inhibits performance and quality. This is especially problematic on mobile devices where the limited computational power reduces the maximum achievable quality. To overcome these issue, we propose the concept of an intermediate deformation buffer that stores deformation information at a resolution independent of the mesh resolution. This allows the combination of a high-resolution buffer with a low-resolution mesh for interactive preview, as well as a high-resolution mesh to export the final image. Further, we present a fully GPU-based implementation of this concept, taking advantage of modern OpenGL ES features, such as compute shaders.en_US
dc.description.sectionheadersComputer Graphics Applications and Visualisation Techniques
dc.description.seriesinformationComputer Graphics and Visual Computing (CGVC)
dc.identifier.doi10.2312/cgvc.20161303
dc.identifier.isbn978-3-03868-022-2
dc.identifier.issn-
dc.identifier.pages97-104
dc.identifier.urihttps://doi.org/10.2312/cgvc.20161303
dc.identifier.urihttps://diglib.eg.org:443/handle/10.2312/cgvc20161303
dc.publisherThe Eurographics Associationen_US
dc.subjectI.3.3 [Computer Graphics]
dc.subjectPicture/Image Generation
dc.subjectLine and curve generation
dc.titleInteractive GPU-based Image Deformation for Mobile Devicesen_US
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