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We report resolution enhancement in scanning electron microscopy (SEM) images using a generative adversarial network. We demonstrate the veracity of this deep learning-based super-resolution technique by inferring unresolved features in…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Kevin de Haan , Zachary S. Ballard , Yair Rivenson , Yichen Wu , Aydogan Ozcan

The joint optimization of the reconstruction and classification error is a hard non convex problem, especially when a non linear mapping is utilized. In order to overcome this obstacle, a novel optimization strategy is proposed, in which a…

Machine Learning · Computer Science 2022-11-07 Ioannis A. Nellas , Sotiris K. Tasoulis , Vassilis P. Plagianakos , Spiros V. Georgakopoulos

Improving the aesthetic quality of images is challenging and eager for the public. To address this problem, most existing algorithms are based on supervised learning methods to learn an automatic photo enhancer for paired data, which…

Computer Vision and Pattern Recognition · Computer Science 2021-01-06 Zhangkai Ni , Wenhan Yang , Shiqi Wang , Lin Ma , Sam Kwong

Among the major remaining challenges for single image super resolution (SISR) is the capacity to recover coherent images with global shapes and local details conforming to human vision system. Recent generative adversarial network (GAN)…

Image and Video Processing · Electrical Eng. & Systems 2021-01-26 Yuanzhuo Li , Yunan Zheng , Jie Chen , Zhenyu Xu , Yiguang Liu

Supervised deep learning methods have shown promising results for the task of monocular depth estimation; but acquiring ground truth is costly, and prone to noise as well as inaccuracies. While synthetic datasets have been used to…

Computer Vision and Pattern Recognition · Computer Science 2018-06-08 Jogendra Nath Kundu , Phani Krishna Uppala , Anuj Pahuja , R. Venkatesh Babu

Self-supervised learning is showing great promise for monocular depth estimation, using geometry as the only source of supervision. Depth networks are indeed capable of learning representations that relate visual appearance to 3D properties…

Computer Vision and Pattern Recognition · Computer Science 2020-02-28 Vitor Guizilini , Rui Hou , Jie Li , Rares Ambrus , Adrien Gaidon

Limited-angle computed tomography (CT) image reconstruction is a challenging reconstruction problem in the fields of CT. With the development of deep learning, the generative adversarial network (GAN) perform well in image restoration by…

Medical Physics · Physics 2019-03-12 Ziheng Li , Wenkun Zhang , Linyuan Wang , Ailong Cai , Ningning Liang , Bin Yan , Lei Li

Single-pixel imaging is a novel imaging scheme that has gained popularity due to its huge computational gain and potential for a low-cost alternative to imaging beyond the visible spectrum. The traditional reconstruction methods struggle to…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Nazmul Karim , Nazanin Rahnavard

Detecting changed regions in paired satellite images plays a key role in many remote sensing applications. The evolution of recent techniques could provide satellite images with very high spatial resolution (VHR) but made it challenging to…

Image and Video Processing · Electrical Eng. & Systems 2021-12-08 Caijun Ren , Xiangyu Wang , Jian Gao , Huanhuan Chen

Most of current display devices are with eight or higher bit-depth. However, the quality of most multimedia tools cannot achieve this bit-depth standard for the generating images. De-quantization can improve the visual quality of low…

Image and Video Processing · Electrical Eng. & Systems 2020-04-08 Yang Zhang , Changhui Hu , Xiaobo Lu

Real-time estimation of actual object depth is an essential module for various autonomous system tasks such as 3D reconstruction, scene understanding and condition assessment. During the last decade of machine learning, extensive deployment…

Computer Vision and Pattern Recognition · Computer Science 2022-06-09 Christoph Angermann , Matthias Schwab , Markus Haltmeier , Christian Laubichler , Steinbjörn Jónsson

Hashing has been a widely-adopted technique for nearest neighbor search in large-scale image retrieval tasks. Recent research has shown that leveraging supervised information can lead to high quality hashing. However, the cost of annotating…

Computer Vision and Pattern Recognition · Computer Science 2018-04-24 Zhaofan Qiu , Yingwei Pan , Ting Yao , Tao Mei

Medical image processing has been highlighted as an area where deep learning-based models have the greatest potential. However, in the medical field in particular, problems of data availability and privacy are hampering research progress…

Image and Video Processing · Electrical Eng. & Systems 2023-10-27 Christoph Angermann , Johannes Bereiter-Payr , Kerstin Stock , Markus Haltmeier , Gerald Degenhart

Robust perception systems are essential for autonomous vehicle safety. To navigate in a complex urban environment, it is necessary precise sensors with reliable data. The task of understanding the surroundings is hard by itself; for…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Lucas P. N. Matias , Jefferson R. Souza , Denis F. Wolf

We develop and approach to unsupervised semantic medical image segmentation that extends previous work with generative adversarial networks. We use existing edge detection methods to construct simple edge diagrams, train a generative model…

Image and Video Processing · Electrical Eng. & Systems 2019-11-14 Umaseh Sivanesan , Luis H. Braga , Ranil R. Sonnadara , Kiret Dhindsa

Non-destructive testing is a set of techniques for defect detection in materials. While the set of imaging techniques are manifold, ultrasonic imaging is the one used the most. The analysis is mainly performed by human inspectors manually…

Image and Video Processing · Electrical Eng. & Systems 2021-07-06 Luka Posilović , Duje Medak , Marko Subasic , Marko Budimir , Sven Loncaric

Gated cameras hold promise as an alternative to scanning LiDAR sensors with high-resolution 3D depth that is robust to back-scatter in fog, snow, and rain. Instead of sequentially scanning a scene and directly recording depth via the photon…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Amanpreet Walia , Stefanie Walz , Mario Bijelic , Fahim Mannan , Frank Julca-Aguilar , Michael Langer , Werner Ritter , Felix Heide

Solving depth estimation with monocular cameras enables the possibility of widespread use of cameras as low-cost depth estimation sensors in applications such as autonomous driving and robotics. However, learning such a scalable depth…

Computer Vision and Pattern Recognition · Computer Science 2020-07-30 Bin Cheng , Inderjot Singh Saggu , Raunak Shah , Gaurav Bansal , Dinesh Bharadia

Single-view depth estimation refers to the ability to derive three-dimensional information per pixel from a single two-dimensional image. Single-view depth estimation is an ill-posed problem because there are multiple depth solutions that…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Javier Rodriguez-Puigvert

The difficulty in obtaining labeled data relevant to a given task is among the most common and well-known practical obstacles to applying deep learning techniques to new or even slightly modified domains. The data volumes required by the…

Computer Vision and Pattern Recognition · Computer Science 2019-09-24 Jonathan Howe , Kyle Pula , Aaron A. Reite