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Current approaches for restoration of degraded images face a trade-off: high-performance models are slow for practical use, while fast models produce poor results. Knowledge distillation transfers teacher knowledge to students, but existing…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Shourya Verma , Mengbo Wang , Nadia Atallah Lanman , Ananth Grama

We introduce a differential visual similarity metric to train deep neural networks for 3D reconstruction, aimed at improving reconstruction quality. The metric compares two 3D shapes by measuring distances between multi-view images…

Graphics · Computer Science 2020-04-02 Jiongchao Jin , Akshay Gadi Patil , Zhang Xiong , Hao Zhang

Images captured in weak illumination conditions could seriously degrade the image quality. Solving a series of degradation of low-light images can effectively improve the visual quality of images and the performance of high-level visual…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Jiang Hai , Zhu Xuan , Songchen Han , Ren Yang , Yutong Hao , Fengzhu Zou , Fang Lin

We study the problem of symmetry detection of 3D shapes from single-view RGB-D images, where severely missing data renders geometric detection approach infeasible. We propose an end-to-end deep neural network which is able to predict both…

Computer Vision and Pattern Recognition · Computer Science 2020-09-01 Yifei Shi , Junwen Huang , Hongjia Zhang , Xin Xu , Szymon Rusinkiewicz , Kai Xu

We present a novel underwater image enhancement method termed SCNet to improve the image quality meanwhile cope with the degradation diversity caused by the water. SCNet is based on normalization schemes across both spatial and channel…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Zhenqi Fu , Xiaopeng Lin , Wu Wang , Yue Huang , Xinghao Ding

Lensless imaging has emerged as a potential solution towards realizing ultra-miniature cameras by eschewing the bulky lens in a traditional camera. Without a focusing lens, the lensless cameras rely on computational algorithms to recover…

Image and Video Processing · Electrical Eng. & Systems 2020-10-30 Salman S. Khan , Varun Sundar , Vivek Boominathan , Ashok Veeraraghavan , Kaushik Mitra

Monocular depth estimation and image deblurring are two fundamental tasks in computer vision, given their crucial role in understanding 3D scenes. Performing any of them by relying on a single image is an ill-posed problem. The recent…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Saqib Nazir , Lorenzo Vaquero , Manuel Mucientes , Víctor M. Brea , Daniela Coltuc

Accurate depth estimation is crucial for 3D scene comprehension in robotics and autonomous vehicles. Fisheye cameras, known for their wide field of view, have inherent geometric benefits. However, their use in depth estimation is restricted…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Guoyang Zhao , Yuxuan Liu , Weiqing Qi , Fulong Ma , Ming Liu , Jun Ma

Reconstructing 3D facial geometry from a single RGB image has recently instigated wide research interest. However, it is still an ill-posed problem and most methods rely on prior models hence undermining the accuracy of the recovered 3D…

Computer Vision and Pattern Recognition · Computer Science 2018-07-06 Mingtao Feng , Syed Zulqarnain Gilani , Yaonan Wang , Ajmal Mian

In recent years, deep learning-based methods have been successfully applied to the image distortion restoration tasks. However, scenarios that assume a single distortion only may not be suitable for many real-world applications. To deal…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Sijin Kim , Namhyuk Ahn , Kyung-Ah Sohn

Creating fake images and videos such as "Deepfake" has become much easier these days due to the advancement in Generative Adversarial Networks (GANs). Moreover, recent research such as the few-shot learning can create highly realistic…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Hyeonseong Jeon , Youngoh Bang , Simon S. Woo

The majority of image processing approaches assume images are in or can be rectified to a perspective projection. However, in many applications it is beneficial to use non conventional cameras, such as fisheye cameras, that have a larger…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Ryan Griffiths , Donald G. Dansereau

In real-world scenarios, images captured often suffer from blurring, noise, and other forms of image degradation, and due to sensor limitations, people usually can only obtain low dynamic range images. To achieve high-quality images,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Kangzhen Yang , Tao Hu , Kexin Dai , Genggeng Chen , Yu Cao , Wei Dong , Peng Wu , Yanning Zhang , Qingsen Yan

Underwater imagery is often compromised by factors such as color distortion and low contrast, posing challenges for high-level vision tasks. Recent underwater image restoration (UIR) methods either analyze the input image at full…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Alik Pramanick , Arijit Sur , V. Vijaya Saradhi

Convolution kernels are the basic structural component of convolutional neural networks (CNNs). In the last years there has been a growing interest in fisheye cameras for many applications. However, the radially symmetric projection model…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Bruno Berenguel-Baeta , Maria Santos-Villafranca , Jesus Bermudez-Cameo , Alejandro Perez-Yus , Jose J. Guerrero

3D reconstruction from a single RGB image is a challenging problem in computer vision. Previous methods are usually solely data-driven, which lead to inaccurate 3D shape recovery and limited generalization capability. In this work, we focus…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Yichao Zhou , Shichen Liu , Yi Ma

This study investigates the effectiveness of modern Deformable Convolutional Neural Networks (DCNNs) for semantic segmentation tasks, particularly in autonomous driving scenarios with fisheye images. These images, providing a wide field of…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Anam Manzoor , Aryan Singh , Ganesh Sistu , Reenu Mohandas , Eoin Grua , Anthony Scanlan , Ciarán Eising

Fisheye cameras offer an efficient solution for wide-area traffic surveillance by capturing large fields of view from a single vantage point. However, the strong radial distortion and nonuniform resolution inherent in fisheye imagery…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Neema Jakisa Owor , Joshua Kofi Asamoah , Tanner Wambui Muturi , Anneliese Jakisa Owor , Blessing Agyei Kyem , Andrews Danyo , Yaw Adu-Gyamfi , Armstrong Aboah

To compose a 360 image from a rig with multiple fisheye cameras, a conventional processing pipeline first performs demosaicking on each fisheye camera's Bayer-patterned grid, then translates demosaicked pixels from the camera grid to a…

Image and Video Processing · Electrical Eng. & Systems 2020-06-23 Fengbo Lan , Cheng Yang , Gene Cheung , Jack Z. G. Tan

Automated experimentation with real time data analysis in scanning transmission electron microscopy (STEM) often require end-to-end framework. The four-dimensional scanning transmission electron microscopy (4D-STEM) with high-throughput…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Mingyu Liu , Zian Mao , Zhu Liu , Haoran Zhang , Jintao Guo , Xiaoya He , Xi Huang , Shufen Chu , Chun Cheng , Jun Ding , Yujun Xie
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