Quality Evaluation in Wireless Imaging Using Feature-Based Objective Metrics

Document type: Conference Papers
Peer reviewed: Yes
Full text:
Author(s): Ulrich Engelke, Hans-Jürgen Zepernick
Title: Quality Evaluation in Wireless Imaging Using Feature-Based Objective Metrics
Conference name: ISWPC
Year: 2007
Publisher: IEEE
City: San Juan, Puerto Rico
ISI number: 000247082000069
Organization: Blekinge Institute of Technology
Department: School of Engineering - Dept. of Signal Processing (Sektionen för teknik – avd. för signalbehandling)
School of Engineering S- 372 25 Ronneby
+46 455 38 50 00
http://www.tek.bth.se/
Authors e-mail: uen@bth.se
Language: English
Abstract: This paper addresses the evaluation of image quality in the context of wireless systems using feature-based objective metrics. The considered metrics comprise of a weighted combination of feature values that are used to quantify the extend by which the related artifacts are present in a processed image. In view of imaging applications in mobile radio and wireless communication systems, reduced-reference objective quality metrics are investigated for quantifying user-perceived quality. The examined feature-based objective metrics provide options for controlling the processing complexity and implementation resources required for performing the quality evaluation. Furthermore, the metrics support the scaling of overhead needed for communicating the image features over the wireless link and the accuracy for predicting the image quality.
Subject: Telecommunications\General
Signal processing\Image and Video Processing
Keywords: Image quality metrics, communication systems
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