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<title>Wireless Image Sensor Network Application Platform</title>
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<o:Author>Stephan Hengstler</o:Author>
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<o:Created>2005-03-02T06:58:00Z</o:Created>
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</o:shapelayout></xml><![endif]--><!-- $Revision: 1.4 $ $Date: 1998/09/11 19:57:07 $ --><!-- $Log: imagesto.html,v $# Revision 1.4 1998/09/11 19:57:07 thornton# Online doc for R11## Related Records: 50212## Revision 1.3 1998/09/08 17:24:52 thornton# Online doc for R11## Related Records: 49911# --><!-- DOCNAME: Image Processing Toolbox --><!-- HEADSTUFF -->
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<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <span
style='font-size:12.0pt'><B>Wireless Sensor Networks Lab - Stanford University</B></font><br>
<span
style='font-size:18.0pt'>WiSNAP</font><br><span
style='font-size:15.0pt'>Wireless Image Sensor Network Application Platform</span><u1:p></u1:p><o:p></o:p></p>
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<h1>Introduction</h1>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Wireless
sensor networks offer an entire new field open for research and development.
These types of networks conceptually offer many exciting features including
scalability, self-configuration, self-healing, multicast routing, and easy
deployment. For these reasons, they are well suited for a wide range of
applications in monitoring, control, surveillance, and distributed sensing
among many others. In particular, image sensor-based wireless networks are
deemed advantageous for many of these applications. However, specific
applications still need to be defined, and their implementation requires
further work.<u1:p></u1:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><u1:p></u1:p>The
availability of suitable tools can greatly aid investigation and development of
applications for wireless sensor networks. For this purpose, Matlab<sup>TM</sup>
may serve as one appropriate rapid-prototyping tool. Its high-level programming
environment would allow easy design, implementation, and emulation of
algorithms and applications for wireless image sensor networks if interfaces to
wireless motes and image sensors exist. Such interfaces could be realized as
standardized libraries, which provide easy-to-use functions to communicate with
a variety of image sensors and wireless motes. The use of such libraries
disburdens its potential user from having to deal with mote- or sensor-specific
interface details. A set of such standardized libraries would form a Matlab<sup>TM</sup>
framework for wireless image sensor networks, in which algorithms and
applications can be developed in an efficient manner.<u1:p></u1:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><![if !supportEmptyParas]> <![endif]><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>For
these reasons, the Wireless Image Sensor Network Application Platform (WiSNAP)
attempts to provide a Matlab<sup>TM</sup> framework for researching,
developing, and investigating applications and algorithms for wireless image
sensor network. In particular, WiSNAP consists of two Application Program
Interfaces (APIs): an Image Sensor API and a Wireless Mote API. These APIs
provide the user with simple, easy-to-use functions for interfacing with image
sensors and wireless motes, respectively. Thus, there is no need to deal with
hardware- and device-specific details. These are taken care of by underlying
device libraries that implement the necessary hardware-specific communications
and functions.</p>
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<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>The
APIs and libraries are written to facilitate easy extension to other image sensors
and wireless motes or to include some device-specific functionality. At this
point, WiSNAP does by no means represent a complete or exhaustive
implementation of available image sensors or wireless mote. It rather intends
to establish a development structure that can be easily extended by other developers
based on their particular application needs.</p>
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