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 language | English |
|---|---|
| Title of host publication | 2018 IEEE International Conference on Acoustics, Speech, and Signal Processing |
| Subtitle of host publication | PROCEEDINGS |
| Publisher | IEEE |
| Pages | 6732-6736 |
| ISBN (Electronic) | 9781538646588 |
| ISBN (Print) | 9781538646595 |
| DOIs | |
| Publication status | Published - Apr 2018 |
| Externally published | Yes |
| Event | 2018 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2018) - Calgary Telus Convention Center, Calgary, Canada Duration: 15 Apr 2018 → 20 Apr 2018 https://2018.ieeeicassp.org/ |
Publication series
| Name | International Conference on Acoustics, Speech, and Signal Processing (ICASSP) |
|---|---|
| Publisher | IEEE |
| ISSN (Print) | 1520-6149 |
| ISSN (Electronic) | 2379-190X |
Conference
| Conference | 2018 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2018) |
|---|---|
| Abbreviated title | ICASSP 2018 |
| Place | Canada |
| City | Calgary |
| Period | 15/04/18 → 20/04/18 |
| Internet address |
Research Keywords
- Convolutional neural networks
- Data augmentation
- Geometric transformations
- Image quality assessment
- Image registration
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