The Graphics Environment for Multimedia, or GEM, is a visual programming language for realtime computer graphics. Operating within the Pd environment, a digital audio and MIDI processing program, GEM creates and manipulates polygonal graphics. Real-time image and video processing have recently been added, increasing the artistic possibilities. Combined with Pd, users have access to an integrate...

Modern teaching of engineering graphics is undergoing major reform, and teaching procedures are being changed which regarding the student as the center, and the student employment’s ability request as the guidance, reconstruct and organize the learning content including curriculum structure design, project choice and design, teaching activity implementation and teaching media choice. Innovative...

We introduce a model that learns to convert simple hand drawings into graphics programs written in a subset of LATEX. The model combines techniques from deep learning and program synthesis. We learn a convolutional neural network that proposes plausible drawing primitives that explain an image. This set of drawing primitives is like an execution trace for a graphics program. From this trace we ...

A system for interpretation of images of paper-based line drawings is described. Since a typical drawing contains both test strings and graphics, an algorithm has been developed to locate and separate text strings of various font size, style, and orientation. This is accomplished by applying the Hough transform to the centroids of connected components in the image. The graphics in the segmented...

In a typical graphics system, a single drawing processor is used to perform pixel level drawing operations, one pixel at a time. A VLSI based drawing proces­ sor and image memory controller is presented which takes advantage of scan-line partitioning of many graphics operations. A four processor implementation is described which operates on four scan-lines in parallel to achieve near real-time ...

We present a new method for line drawing, triangle filling, polygon filling, and antialiasing. Current statistics show that our method improves line drawing and antialiasing about 6 times and polygon filling functions significantly over all existing methods. Specifically, it can improve finding the span extrema of polygons about 2 times and drawing the antialiased polygon edges more than 2 time...

In this paper, a wavelet based watermarking scheme for the protection of document and graphics images is proposed. Document and graphics images are different from other images as such images are typically in two colors only (generally white as background and black or other color as text or drawing). In document or graphics images, white background area is usually more than the text or drawing c...

Through the use of an on-line questionnaire and in-depth observation sessions, we examined how people produce tactile graphics (raised images that are designed to be read by the fingers) for blind students and how they use software applications during tactile graphics production. We found that tactile graphics specialists shy away from using applications, even though their production methods ar...

We have developed (1) a graph visualization system that allows users to explore graphs by viewing them as a succession of spanning trees selected interactively, (2) a radial graph layout algorithm, and (3) an animation algorithm that generates meaningful visualizations and smooth transitions between graphs while minimizing edge crossings during transitions and in static layouts. Our system is s...