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Transformers with remarkable global representation capacities achieve competitive results for visual tasks, but fail to consider high-level local pattern information in input images. In this paper, we present a generic Dual-stream Network…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Mingyuan Mao , Renrui Zhang , Honghui Zheng , Peng Gao , Teli Ma , Yan Peng , Errui Ding , Baochang Zhang , Shumin Han

Magnetic resonance (MR) image acquisition is an inherently prolonged process, whose acceleration has long been the subject of research. This is commonly achieved by obtaining multiple undersampled images, simultaneously, through parallel…

Image and Video Processing · Electrical Eng. & Systems 2021-06-15 Chun-Mei Feng , Zhanyuan Yang , Huazhu Fu , Yong Xu , Jian Yang , Ling Shao

We present a deep neural network-based method to perform high-precision, robust and real-time 6 DOF visual servoing. The paper describes how to create a dataset simulating various perturbations (occlusions and lighting conditions) from a…

Robotics · Computer Science 2017-06-08 Quentin Bateux , Eric Marchand , Jürgen Leitner , Francois Chaumette , Peter Corke

Optical microrobots actuated by optical tweezers (OT) are important for cell manipulation and microscale assembly, but their autonomous operation depends on accurate 3D perception. Developing such perception systems is challenging because…

Robotics · Computer Science 2026-04-14 Lan Wei , Zongcai Tan , Kangyi Lu , Jian-Qing Zheng , Dandan Zhang

Single-shot volumetric fluorescence (SVF) imaging offers a significant advantage over traditional imaging methods that require scanning across multiple axial planes as it can capture biological processes with high temporal resolution. The…

Diffusion generative models have achieved remarkable success in generating images with a fixed resolution. However, existing models have limited ability to generalize to different resolutions when training data at those resolutions are not…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Alex Havrilla , Kevin Rojas , Wenjing Liao , Molei Tao

This study presents a lightweight dual-domain super-resolution network (DDSRNet) that combines Spatial-Net with the discrete wavelet transform (DWT). Specifically, our proposed model comprises three main components: (1) a shallow feature…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Murat Karayaka , Usman Muhammad , Jorma Laaksonen , Md Ziaul Hoque , Tapio Seppänen

Localization microscopy is an imaging technique in which the positions of individual nanoscale point emitters (e.g. fluorescent molecules) are determined at high precision from their images. This is the key ingredient in…

Image and Video Processing · Electrical Eng. & Systems 2020-10-01 Elias Nehme , Daniel Freedman , Racheli Gordon , Boris Ferdman , Lucien E. Weiss , Onit Alalouf , Reut Orange , Tomer Michaeli , Yoav Shechtman

Learning-based image super-resolution aims to reconstruct high-frequency (HF) details from the prior model trained by a set of high- and low-resolution image patches. In this paper, HF to be estimated is considered as a combination of two…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Jian Zhang , Chen Zhao , Ruiqin Xiong , Siwei Ma , Debin Zhao

Three-dimensional (3D) fluorescence microscopy in general requires axial scanning to capture images of a sample at different planes. Here we demonstrate that a deep convolutional neural network can be trained to virtually refocus a 2D…

Computer Vision and Pattern Recognition · Computer Science 2019-11-05 Yichen Wu , Yair Rivenson , Hongda Wang , Yilin Luo , Eyal Ben-David , Laurent A. Bentolila , Christian Pritz , Aydogan Ozcan

Instrumental aberrations strongly limit high-contrast imaging of exoplanets, especially when they produce quasistatic speckles in the science images. With the help of recent advances in deep learning, we have developed in previous works an…

Instrumentation and Methods for Astrophysics · Physics 2022-11-14 Maxime Quesnel , Gilles Orban de Xivry , Olivier Absil , Gilles Louppe

The increasing difficulty in accurately detecting forged images generated by AIGC(Artificial Intelligence Generative Content) poses many risks, necessitating the development of effective methods to identify and further locate forged areas.…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Yang Liu , Xiaofei Li , Jun Zhang , Shengze Hu , Jun Lei

Deep learning has shown to be effective for robust and real-time monocular image relocalisation. In particular, PoseNet is a deep convolutional neural network which learns to regress the 6-DOF camera pose from a single image. It learns to…

Computer Vision and Pattern Recognition · Computer Science 2017-05-24 Alex Kendall , Roberto Cipolla

Single-shot wide-angle diffraction imaging is a widely used method to investigate the structure of non-crystallizing objects such as nanoclusters, large proteins or even viruses. Its main advantage is that information about the…

Data Analysis, Statistics and Probability · Physics 2021-06-02 Thomas Stielow , Stefan Scheel

Fluorescence microscopy plays an important role in biomedical research. The depth-variant point spread function (PSF) of a fluorescence microscope produces low-quality images especially in the out-of-focus regions of thick specimens.…

Image and Video Processing · Electrical Eng. & Systems 2019-07-09 Da He , De Cai , Jiasheng Zhou , Jiajia Luo , Sung-Liang Chen

Deep convolutional neural networks have significantly boosted the performance of fundus image segmentation when test datasets have the same distribution as the training datasets. However, in clinical practice, medical images often exhibit…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Shujun Wang , Lequan Yu , Kang Li , Xin Yang , Chi-Wing Fu , Pheng-Ann Heng

Monocular depth estimation is still an open challenge due to the ill-posed nature of the problem at hand. Deep learning based techniques have been extensively studied and proved capable of producing acceptable depth estimation accuracy even…

Image and Video Processing · Electrical Eng. & Systems 2022-04-15 Mazen Mel , Muhammad Siddiqui , Pietro Zanuttigh

Traditional fluorescence microscopy is constrained by inherent trade-offs among resolution, field-of-view, and system complexity. To navigate these challenges, we introduce a simple and low-cost computational multi-aperture miniature…

Optics · Physics 2024-05-31 Qianwan Yang , Ruipeng Guo , Guorong Hu , Yujia Xue , Yunzhe Li , Lei Tian

Fully-supervised category-level pose estimation aims to determine the 6-DoF poses of unseen instances from known categories, requiring expensive mannual labeling costs. Recently, various self-supervised category-level pose estimation…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Jingtao Sun , Yaonan Wang , Mingtao Feng , Chao Ding , Mike Zheng Shou , Ajmal Saeed Mian

A deep learning approach to blind denoising of images without complete knowledge of the noise statistics is considered. We propose DN-ResNet, which is a deep convolutional neural network (CNN) consisting of several residual blocks…

Image and Video Processing · Electrical Eng. & Systems 2019-04-12 Haoyu Ren , Mostafa El-Khamy , Jungwon Lee