Applications of b-spline approximation to geometric problems of computer-aided design.
Applications of b-spline approximation to geometric problems of computer-aided design.
Sketching with projective 2D strokes
Proceedings of the 12th annual ACM symposium on User interface software and technology
Design considerations for Picture Production in a Natural Language graphics system
ACM SIGGRAPH Computer Graphics
Sketch recognition for computer-aided design
UODIGS '76 Proceedings of the ACM/SIGGRAPH Workshop on User-oriented Design of Interactive Graphics Systems
An idiosyncratic systems approach to interactive graphics
UODIGS '76 Proceedings of the ACM/SIGGRAPH Workshop on User-oriented Design of Interactive Graphics Systems
Modality fusion for graphic design applications
Proceedings of the 6th international conference on Multimodal interfaces
ACM SIGGRAPH 2007 courses
ACM SIGGRAPH 2007 courses
Free-sketch recognition: putting the chi in sketching
CHI '08 Extended Abstracts on Human Factors in Computing Systems
Who dotted that 'i'?: context free user differentiation through pressure and tilt pen data
Proceedings of Graphics Interface 2009
A survey on geometrical reconstruction as a core technology to sketch-based modeling
Computers and Graphics
Technical Section: SpeedSeg: A technique for segmenting pen strokes using pen speed
Computers and Graphics
ACM Transactions on Graphics (TOG) - SIGGRAPH 2012 Conference Proceedings
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A family of programs has been developed to allow graphical input through continuous digitizing. Drawing data, sampled at a high and constant rate, is compressed and mapped into lines and splines, in two and three dimensions. This is achieved by inferring a particular user's intentions from measures of speed and pressure.Recent experiments have shown that even the most basic inference making cannot rely solely upon knowledge of the user's drawing style, but needs additional knowledge of the subject being drawn, the protocols of its domain, and the stage of development of the user's design. This requirement implies a higher level of machine intelligence than currently exists. An alternate approach is to increase the user's involvement in the recognition process.Contrary to previous efforts to move from sketch to mechanical drawing without human intervention, this paper reports on an interactive system for graphical input in which the user overtly partakes in training the machine and massaging the data at all levels of interpretation. The initial routines for data compression employ parallel functions for extracting such features as bentness, straightness, and endness. These are planned for implementation in microprocessors.Results offer a system for rapid (and enjoyable) graphical input with real-time interpretation, the beginnings of an intelligent tablet.