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Open Access TIK: a time domain continuous imaging testbed using conventional still images and video

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Time domain continuous imaging (TDCI) centers on the capture and representation of time-varying image data not as a series of frames, but as a compressed continuous waveform per pixel. A high-dynamic-range (HDR) image can be computationally synthesized from TDCI data to represent any virtual exposure interval covered by the waveforms, thus allowing both exposure start time and shutter speed to be selected arbitrarily after capture. This also enables extraction of video with arbitrary framerate and shutter angle. This paper presents the design, and discusses performance, of the first complete, fully open source, infrastructure supporting experimental use of TDCI: TIK (Temporal Imaging from Kentucky or Temporal Image Kontainer). The system not only provides for processing TDCI .tik files, but also allows conventional video files and still image sequences to be converted into TDCI .tik files.
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Keywords: COMPUTATIONAL PHOTOGRAPHY; TIK; TIME DOMAIN CONTINUOUS IMAGING; VIDEO COMPRESSION

Document Type: Research Article

Publication date: January 29, 2017

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  • For more than 30 years, the Electronic Imaging Symposium has been serving those in the broad community - from academia and industry - who work on imaging science and digital technologies. The breadth of the Symposium covers the entire imaging science ecosystem, from capture (sensors, camera) through image processing (image quality, color and appearance) to how we and our surrogate machines see and interpret images. Applications covered include augmented reality, autonomous vehicles, machine vision, data analysis, digital and mobile photography, security, virtual reality, and human vision. IS&T began sole sponsorship of the meeting in 2016. All papers presented at EIs 20+ conferences are open access.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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