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GEOMETRIC TRANSFORMATION INVARIANT IMAGE QUALITY ASSESSMENT USING CONVOLUTIONAL NEURAL NETWORKS

  • Kede Ma
  • , Zhengfang Duanmu
  • , Zhou Wang

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

Most existing full-reference (FR) image quality assessment (IQA) models assume that the reference and distorted images are perfectly aligned, and fail dramatically when the assumption does not hold. In this study, we first show that pre-registration, especially feature-based (as opposed to area-based) registration, is effective at reducing the performance drop of FR-IQA models. However, registration is an expensive process that often slows down the speed of the IQA algorithms by several orders of magnitude. This motivates us to construct an end-to-end convolutional neural network (CNN) for direct image quality prediction, which contains built-in invariance to geometric distortions. Our results show that when the training images are augmented by their geometrically transformed versions, the learned network performs at a high level without image registration, resulting in a fast and effective approach for geometric transformation invariant IQA.
Original languageEnglish
Title of host publication2018 IEEE International Conference on Acoustics, Speech, and Signal Processing
Subtitle of host publicationPROCEEDINGS
PublisherIEEE
Pages6732-6736
ISBN (Electronic)9781538646588
ISBN (Print)9781538646595
DOIs
Publication statusPublished - Apr 2018
Externally publishedYes
Event2018 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2018) - Calgary Telus Convention Center, Calgary, Canada
Duration: 15 Apr 201820 Apr 2018
https://2018.ieeeicassp.org/

Publication series

NameInternational Conference on Acoustics, Speech, and Signal Processing (ICASSP)
PublisherIEEE
ISSN (Print)1520-6149
ISSN (Electronic)2379-190X

Conference

Conference2018 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2018)
Abbreviated titleICASSP 2018
PlaceCanada
CityCalgary
Period15/04/1820/04/18
Internet address

Research Keywords

  • Convolutional neural networks
  • Data augmentation
  • Geometric transformations
  • Image quality assessment
  • Image registration

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