Technofrolics Case Study

Technofrolics Case Study, updated 2/8/20, 8:58 PM

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4001 N Riverside Dr

Tampa, FL 33603

(800) 875-7009

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TechnoFrolics Leverages Accusoft’s
Compression & Decompression
Technology to Transform Video Into
an Interactive Exploration
Video content is an essential form of illustration and expression, whether
it be for brand messaging or artistic pursuit. TechnoFrolics’ Spin Browser™
system was originally inspired by a simple but profound shift in perspective
- from the conventional view of video as a produced, passively watched
experience, to that of a vast ocean of imagery, rich in information and data,
patterns, and behaviors waiting to be explored.
Overview:
A core TechnoFrolics’ exhibit technology, the stainless steel Spin Browser dial
combined with FrameGlide software application (FG|SB), enables users to
move ultra-fluidly through time and space via interactive traversal of video
content.
“Despite video’s ubiquity, there are untapped breadths and depths to the
medium that open up when content is viewed not just as a relatively
short ‘produced experience,’ but also as a beautiful and educational data
set, where content provided for exploration can be orders of magnitude
longer than the production norm. For example, in a conventional interactive
museum exhibit, a video clip might be just 30 seconds long. With an FG|SB
installation, it is not uncommon to have many hours’ worth of explorable
content,” remarks David Durlach, Founder and Director of TechnoFrolics.
To be experientially effective, such exploration requires near-
instantaneous response to user interaction (for example, the turning
of the Spin Browser dial), as well as perfect image clarity and “stutter”-free
operation. It was here that Accusoft’s ultra-fast JPEG decompression and
compression algorithms entered the picture.
In practical terms, due to how the human
perceptual system works, a fluid experience
requires latency between hand motion and
movement through video to be very low, ideally
no more than 30 milliseconds. Exceeding this
threshold must be avoided even when the frame
path is determined on the fly, as it is with the
FG|SB system vs. the significantly easier task of
progressing through content when the frame-
order is known ahead of time as it is in normal
video play.
With the FG|SB system, video frames may be
discontiguous, potentially separated by tens of
thousands of frames in the middle, run backwards
or forwards, etc. Additionally, amounts of video
data to be explored are often enormous - up
to millions of frames and many hundreds of
gigabytes in size.
“We started using Accusoft's
tools decades ago when even
simply playing a 640x480 video
without ‘stutter,’ on a typical
PC, was a real challenge.”
TechnoFrolics


David Durlach,
Founder and Director, TechnoFrolics
Challenges:
CASE STUDY
About TechnoFrolics
TechnoFrolics was founded in 1988 by David Durlach and is based in Somerville,
Massachusetts. TechnoFrolics’ interactive exhibits and artworks combine
technology, art, the natural sciences, and play, providing users with memorable
experiences of both natural and engineered phenomena. Their installations are
in science and children’s museums, aquariums, zoos, and nature centers across
the globe, as well as having been used at the 2010 Olympic winter games in
Vancouver, and by doctors at medical conferences and when performing patient
procedures.
About Accusoft
Accusoft is a software development company
specializing in content processing,conversion
and automation solutions. From out-of-the-box
and configurable applications to APIs built for
developers, we help organizations solve their
most complex content workflow challenges. Our
patented solutions enable users to gain insight
from content in any format, on any device with
greater efficiency, flexibility, and security.

Challenges Continued:
This presented a challenge. TechnoFrolics needed a way to compress and decompress video frames very quickly - and
without loss of image quality. Thus, technical requirements included:
During the FG|SB system’s original development, a search was made to find a very fast codec because typical methods
available, even as implemented by major players in the field, were simply too slow.
Results:
TechnoFrolics is now way past 640x480 movies. In a recent installation, they implemented forward and backward
motion, as well as simultaneous left/right panning in dual 4400x1200 videos synchronously shot from front/back for
a guide-boat rowing interactive museum exhibit. They now also offer live capture systems where users can explore,
backwards and forwards, fast and slow, from the inception of filming up to the current moment.
“Accusoft’s jpeg decompression code was so much faster than typical implementations that our environment,
utilizing their algorithm, was one of the few ways anyone could simply play a 640x480 video smoothly on typical PC
hardware of the day - let alone traverse an arbitrary frame path, which Accusoft wonderfully enabled. And when I say
“faster”, I do not mean by just a few percent - we were talking about (to the best of recollection) more like doubling the
speed. It was very significant - both numerically and, most importantly, perceptually,” recounts Durlach.
Accusoft’s decompression and compression algorithms are key in this context, where lightning swift compression
and decompression are essential in order to continuously compress and stream captured content to disk, while
allowing users, 100% in parallel, to enjoy crystal clear fluid interactive explorations.
The FrameGlide | Spin Browser system provides a unique tool for exploring video, allowing interactive explorations
at speeds from stop-frame to +/- 1,000,000 times normal rate, across linear, exponential, and customized temporal
pathways. The environment supports 4K and 3D, as well as custom behaviors such as graphical and audio overlays
triggered by location, dwell time, and dial traversal speed.
“Accusoft was instrumental in helping make this all happen,” summarizes Durlach.
• Significant size compression for storage
• Outstanding image quality
• Ability to decompress (and, for live capture, compress) with speed and accuracy
• All this without dependence on prior or future frame content
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+1.800.875.7009
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