Real-time implementation of a vision based automatic push button /

a walk time if no pedestrian is present. This system

Bibliographic Details
Main Author: Rajkotwala, Farida
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1996.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:a walk time if no pedestrian is present. This system
algorithm is developed and implemented on a TMS32OC40
and hence no additional hardware installation is
are distinguished by using the temporal intensity
background subtraction procedure applied to image
blocks. The background update is done in order to cope
changes of image blocks. The DSP implementation
considering that almost one third of people do not
DSP chip such that videosignals captured from an actual
employs videoimaging as its sensing mechanism since
intersection are processed in real-time. Basically,
involves full utilization of the available resources of
many sites have already been equipped with videocameras
more than 90% at a processing rate of 3 frames per
pedestrians waiting to cross an intersection. Such a
press the push button and there is no need to activate
Processing (DSP) system to detect the presence of
required for its deployment. A pedestrian detection
scenes. In addition, waiting and moving pedestrians
second.
system would improve both pedestrian and vehicle flow
the algorithm consists of a background update and a
the DSP architecture to minimize the processing time.
This implementation has led to a detection accuracy of
This thesis presents a real-time digital signal
with brightness changes that occur in actual outdoor
Item Description:"Major subject: Electrical Engineering".
Vita.
Physical Description:xi, 96 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references: pages 61-63.