Communications of the ACM
Real-time playback in animation systems
SIGGRAPH '77 Proceedings of the 4th annual conference on Computer graphics and interactive techniques
A high level language extension for creating and controlling dynamic pictures
The papers of the ACM symposium on Graphic languages
Towards a laboratory instrument for motion analysis
SIGGRAPH '81 Proceedings of the 8th annual conference on Computer graphics and interactive techniques
Digital video display systems and dynamic graphics
SIGGRAPH '79 Proceedings of the 6th annual conference on Computer graphics and interactive techniques
Interpolating splines with local tension, continuity, and bias control
SIGGRAPH '84 Proceedings of the 11th annual conference on Computer graphics and interactive techniques
Two systems which produce animated representations of the execution of computer programs
SIGCSE '75 Proceedings of the fifth SIGCSE technical symposium on Computer science education
An actor-based computer animation language
UODIGS '76 Proceedings of the ACM/SIGGRAPH Workshop on User-oriented Design of Interactive Graphics Systems
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The use of interactive computer graphics in the construction of animated visual displays is investigated. In interactive computer-mediated animation, movies are formed from direct console commands, algorithms, free-hand sketches, and real-time actions (such as mimicking a movement or rhythm with a stylus or a push-button). The resulting movies can be immediately viewed and altered. In picture-driven animation, the animator may sketch and refine (1) static images to be used as components of individual frames of the movie, and (2) static and dynamic images that represent movements and rhythm. These latter pictures drive algorithms to generate dynamic displays. Since each such picture determines critical parameters of a sequence of frames, a single sketch or action controls the dynamic behavior of an entire interval of the movie. The dissertation also outlines the design of a multi-purpose, open-ended, interactive Animation and Picture Processing Language. APPL is a conversational language which accepts free-hand sketches, real-time actions, and actions and algorithms that control interactive dynamic displays.