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234
QuickDraw: Improving Drawing Experience for Geometric Diagrams
"... We present QuickDraw, a prototype sketch-based drawing tool, that facilitates drawing of precise geometry diagrams that are often drawn by students and academics in several scientific disciplines. Quickdraw can recognize sketched diagrams containing components such as line segments and circles, infe ..."
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Cited by 8 (3 self)
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We present QuickDraw, a prototype sketch-based drawing tool, that facilitates drawing of precise geometry diagrams that are often drawn by students and academics in several scientific disciplines. Quickdraw can recognize sketched diagrams containing components such as line segments and circles
Recognition-by-components: A theory of human image understanding
- Psychological Review
, 1987
"... The perceptual recognition of objects is conceptualized to be a process in which the image of the input is segmented at regions of deep concavity into an arrangement of simple geometric components, such as blocks, cylinders, wedges, and cones. The fundamental assumption of the proposed theory, recog ..."
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Cited by 1272 (23 self)
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for the major phenomena of object recognition: If an arrangement of two or three geons can be recovered from the input, objects can be quickly recognized even when they are occluded, novel, rotated in depth, or extensively degraded. The results from experiments on the perception of briefly presented pictures
Tahuti: A Geometrical Sketch Recognition System for UML Class Diagrams
, 2002
"... We have created and tested Tahuti, a dual-view sketch recognition environment for class diagrams in UML. The system is based on a multi-layer recognition framework which recognizes multi-stroke objects by their geometrical properties allowing users the freedom to draw naturally as they would on pape ..."
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Cited by 88 (15 self)
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We have created and tested Tahuti, a dual-view sketch recognition environment for class diagrams in UML. The system is based on a multi-layer recognition framework which recognizes multi-stroke objects by their geometrical properties allowing users the freedom to draw naturally as they would
Explaining Child Malnutrition In Developing Countries: A Cross-Country Analysis
"... This paper draws on the experience of the 1970-95 period to (1) elucidate some of the main causes of child malnutrition in developing countries; (2) undertake projections of how many children are likely to be malnourished in the year 2020 given current trends; and (3) identify priority actions for r ..."
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Cited by 184 (5 self)
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This paper draws on the experience of the 1970-95 period to (1) elucidate some of the main causes of child malnutrition in developing countries; (2) undertake projections of how many children are likely to be malnourished in the year 2020 given current trends; and (3) identify priority actions
DIAGRAM DRAWING USING SHAPE RECOGNITION
"... Sketch recognition is the automated recognition of hand-drawn inputs by an electronic stylus. It can recognise geometric primitives and other gestures defined by developers or users. The hand-drawn sketches recognition has been applied increasingly in a variety of fields, such as front ends for comp ..."
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for computer-aided design systems, gestural interfaces, alternative inputs for keyboard-less appliances, or automatic correction or understanding of diagrams for immediately educational feedback. This project aims to explore and develop current sketch recognition techniques and implement a system for drawing
The Online Abstraction Problem for Euler Diagrams
"... Abstract. A Euler diagrams are an accessible and effective visualisation of data involving simple set-theoretic relationships. Efficient algorithms to quickly compute the abstract regions of an Euler diagram upon curve addition and removal have been developed, but a strict set of drawing conventions ..."
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Abstract. A Euler diagrams are an accessible and effective visualisation of data involving simple set-theoretic relationships. Efficient algorithms to quickly compute the abstract regions of an Euler diagram upon curve addition and removal have been developed, but a strict set of drawing
Determination of Forming Limit Diagram for
"... Abstract-- One of the needs of modern sheet metal forming is reliable knowledge about the formability of a given material. Forming limit diagram (FLD) is the most appropriate tool used to measure the formability. This FLD is influenced by the material / condition of the material, strain condition in ..."
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in geometrical features of a sheet metal. In this paper FLD of perforated Aluminium 1050A sheets are determined by drawing process. Experiments are also conducted to study the influence of percentage of open area, hole size and hole arrangement pattern.
Does a Sketchy Appearance Influence Drawing Behavior?
, 1998
"... In this paper we examine the role of visual aesthetics in how people interact with computers. Specifically, we are interested in whether simply adopting a sketch-like visual appearance in a drawing application encourages users to interact with the application more freely or rapidly than they would i ..."
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Cited by 2 (0 self)
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experiment, we used the World Wide Web to collect drawing diagrams from a much broader set of participants. Both studies reveal that subjects draw more quickly using the sketch-like (‘wavy’) line style than the straight line style.
Using Cabri3D Diagrams For Teaching Geometry
"... Cabri3D is a potentially very useful INTRODUCTION Three-dimensional Euclidean geometry is not a popular subject nowadays. One of the main reasons for this is that diagrams representing three-dimensional geometric objects are difficult to interpret. "The survey by the French Ministry of Educati ..."
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objects, constructions and relations. For example: Geoboard, Mira, Polymorf, Polydron, the look-throughwindow. • Diagrams: drawings representing geometric objects and relations on a sheet of paper. Diagrams may be further subdivided into: • Sketch diagrams, i.e. outline drawings representing some
In Search for an Ideal Computer-Assisted Drawing System
- Proc. of INTERACT’97
, 1997
"... ABSTRACT Diagram drawing with conventional computer-assisted drawing(CAD) editors often tend to take considerable amount of time despite their seeming ease of use. We analyzed the problems of such systems focusing on the problem of cognitive overload, and observed that 1) the necessity of cognitive ..."
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Cited by 6 (2 self)
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planning process in current CAD system causes the problems and that 2) reducing the overload can lead to fundamental improvement inoverall drawing e ciency. Wehave conducted an experiment to verify these observations by comparing a typical drawing system and our prototype drawing system called Interactive
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