Focus is all you need: Loss functions for event-based vision

G Gallego, M Gehrig… - Proceedings of the IEEE …, 2019 - openaccess.thecvf.com
Event cameras are novel vision sensors that output pixel-level brightness changes ("
events") instead of traditional video frames. These asynchronous sensors offer several …

Defocus blur detection via boosting diversity of deep ensemble networks

W Zhao, X Hou, Y He, H Lu - IEEE Transactions on Image …, 2021 - ieeexplore.ieee.org
Existing defocus blur detection (DBD) methods usually explore multi-scale and multi-level
features to improve performance. However, defocus blur regions normally have incomplete …

Enhancing diversity of defocus blur detectors via cross-ensemble network

W Zhao, B Zheng, Q Lin, H Lu - Proceedings of the IEEE …, 2019 - openaccess.thecvf.com
Defocus blur detection (DBD) is a fundamental yet challenging topic, since the
homogeneous region is obscure and the transition from the focused area to the unfocused …

Image-scale-symmetric cooperative network for defocus blur detection

F Zhao, H Lu, W Zhao, L Yao - IEEE Transactions on Circuits …, 2021 - ieeexplore.ieee.org
Defocus blur detection (DBD) for natural images is a challenging vision task especially in the
presence of homogeneous regions and gradual boundaries. In this paper, we propose a …

Robust focus volume regularization in shape from focus

U Ali, MT Mahmood - IEEE Transactions on Image Processing, 2021 - ieeexplore.ieee.org
Shape from focus (SFF) reconstructs 3D shape of the scene from a sequence of multi-focus
images, and the quality of reconstructed shape mainly depends on the accuracy of image …

Self-generated defocus blur detection via dual adversarial discriminators

W Zhao, C Shang, H Lu - … of the IEEE/CVF Conference on …, 2021 - openaccess.thecvf.com
Although existing fully-supervised defocus blur detection (DBD) models significantly improve
performance, training such deep models requires abundant pixel-level manual annotation …

United defocus blur detection and deblurring via adversarial promoting learning

W Zhao, F Wei, Y He, H Lu - European Conference on Computer Vision, 2022 - Springer
Understanding blur from a single defocused image contains two tasks of defocus detection
and deblurring. This paper makes the earliest effort to jointly learn both defocus detection …

Deep depth from focus with differential focus volume

F Yang, X Huang, Z Zhou - … of the IEEE/CVF conference on …, 2022 - openaccess.thecvf.com
Abstract Depth-from-focus (DFF) is a technique that infers depth using the focus change of a
camera. In this work, we propose a convolutional neural network (CNN) to find the best …

Learning depth from focus in the wild

C Won, HG Jeon - European Conference on Computer Vision, 2022 - Springer
For better photography, most recent commercial cameras including smartphones have either
adopted large-aperture lens to collect more light or used a burst mode to take multiple …

Shape-from-focus reconstruction using nonlocal matting Laplacian prior followed by MRF-based refinement

Z Ma, D Kim, YG Shin - Pattern Recognition, 2020 - Elsevier
In this paper, we address the problem of depth recovery from a sequence of multi-focus
images, known as shape-from-focus (SFF). The conventional SFF techniques typically …