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The in- structor writes on the screen using a special stylus and the software emulates a classical chalkboard. The lecturer can paste images to the board, can send queries to remote web services, can activate a computer algebra system, and can paste interactive Java Applets on the board.
The lecture is also transmitted live over the Internet and can be synchronized with teleconferenc- ing systems for student feedback.
The E-Chalk architecture is based on the metaphor of the clas- sical chalkboard, enhanced by intelligent assistants running in the background. One assistant takes care of interpreting the handwrit- ten input of the user. Another is a mathematical formula recognizer which processes handwritten queries for the algebraic server.
A cir- cuit simulator recognizes sketches of digital circuits and runs a sim- ulation.
An algorithm simulator accepts sketches of graphs as input data and runs graph algorithms, animating them on the screen. E-Chalk is being used in our electronic classroom containing a 6 meter long by 1. Categories and Subject Descriptors K.
Keywords Multimedia Educational System, Distance Learning, Digital Ink, Intelligent Agents, Handwriting Recognition, Presentation, Telep- resence When we started the E-Chalk project, our motivation was to re- place the traditional chalkboard with a modern alternative based on large computer screens .
For the last few years, pen comput- ing in the small that is, PDAs has been evolving in parallel with pen computing in the large contact sensitive whiteboards, plasma screens, rear projection systems. We foresee a moment, in the not so distant future, when large display systems will be available at a fraction of their current cost and will replace traditional black- boards at universities and schools.
One important issue is the design of the human-computer interface for such large computer screens, which must obviously be different from the interface for pen computing in the small, and pen comput- ing in laptops.
A picture of the electronic classroom with a data wall comprising four rear projectors. The instructor writes with a portable light pen.
The screen is 6 meters long and 1. We imagine an instructor, present in the classroom, delivering his or her lecture to interested students also physically present.
The tra- ditional chalkboard has several advantages for this kind of interac- tive teaching which has allowed it to survive despite the onslaught of PowerPoint based presentations, very popular at the moment in many universities.
One principal advantage of a chalkboard is that it slows the instructor, since diagrams or formulas have to be drawn.
Teaching with a chalkboard is like thinking aloud, making clear for the students all the different steps involved in a proof or in the con- struction of a diagram.
Our scenario is therefore a professor, present in the classroom, interacting with the students and adjusting the speed of the lecture to their questions and comprehension. The lecturer is provided with the most advanced technology: The lecturer is not alone: Our hand- writing recognizer agent, for example, is started whenever the in- structor selects a color reserved for it.Easy Chalkboard Lettering for the Beautiful Handwriting-Impaired Posted on November 6, by Julie When I made my large Pottery Barn knock-off chalkboard and my small chalkboard easel I was excited about the prospect of being able to update them with greetings, poems and sayings for each season.
Are you looking for scripts vectors or photos? We have free resources for you. Download on Freepik your photos, PSD, icons or vectors of scripts. In this collection, we are presenting some amazing and helpful tutorials for creating incredible Illustrator text effects.
With this selection, you can learn how to create blurry, sketchy, bubbly, sticky, sleek, glossy, retro, or futuristic effects. You’ll learn how to create a chalkboard type text effect with some gradients, a . Thanks for this post, I was having such an incredible amount of trouble writing on my chalkboard in a manner suitable for display, this was such a .
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Best % Free Fonts collection for free downloading. Highest quality font for personal and commercial use. | free-fonts-download. The Simpsons is an American animated sitcom created by Matt Groening and produced by the Fox Broadcasting regardbouddhiste.com main characters are a satire of a working-class family, consisting of Homer, Marge, Bart, Lisa and Maggie.
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