Evolving Time Fronts: spatio-temporal video warping

Alex Rav-Acha, Yael Pritch, Dani Lischinski, Shmuel Peleg

Research output: Working paper/preprintWorking paper


We present evolving time fronts, a new framework for spatiotemporal warping of video. The proposed framework is simple yet general, allowing a large variety of spatio-temporal warps to be specified in an intuitive manner. Specifically, we manipulate the time flow of a video sequence by sweeping an evolving time front surface through the video’s aligned space-time volume. In this paper we first introduce the general framework, and then describe and discuss several specific strategies for time front evolution that we have experimented with so far. These strategies are demonstrated to produce a variety of interesting and useful operations on video, ranging from subtle timing changes to eye-catching special effects, creation of dynamic panoramic mosaics, and parallax effects.
Original languageAmerican English
Place of PublicationJerusalem
Publisherthe Hebrew University of Jerusalem
Number of pages8
StatePublished - 26 Jan 2005

Bibliographical note

Proc. 32nd Int. Conf. Comput. Graph. Interactive Tech. 2005.


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