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SketchSoup: Exploratory Ideation Using Design Sketches

Abstract : A hallmark of early stage design is a number of quick-and-dirty sketches capturing design inspirations, model variations, and alternate viewpoints of a visual concept. We present SketchSoup, a workflow that allows designers to explore the design space induced by such sketches. We take an unstructured collection of drawings as input, along with a small number of user-provided correspondences as input. We register them using a multi-image matching algorithm, and present them as a 2D interpolation space. By morphing sketches in this space, our approach produces plausible visualizations of shape and viewpoint variations despite the presence of sketch distortions that would prevent standard camera calibration and 3D reconstruction. In addition, our interpolated sketches can serve as inspiration for further drawings, which feed back into the design space as additional image inputs. SketchSoup thus fills a significant gap in the early ideation stage of conceptual design by allowing designers to make better informed choices before proceeding to more expensive 3D modeling and prototyping. From a technical standpoint, we describe an end-to-end system that judiciously combines and adapts various image processing techniques to the drawing domain – where the images are dominated not by color, shading and texture, but by sketchy stroke contours.
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Submitted on : Friday, February 24, 2017 - 3:59:49 PM
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Rahul Arora, Ishan Darolia, Vinay P. Namboodiri, Karan Singh, Adrien Bousseau. SketchSoup: Exploratory Ideation Using Design Sketches. Computer Graphics Forum, Wiley, 2017, pp.1 - 11. ⟨10.1111/cgf.13081⟩. ⟨hal-01470706⟩

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