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This paper proposes a novel approach to image deblurring and digital zooming using sparse local models of image appearance. These models, where small image patches are represented as linear combinations of a few elements drawn from some…

机器学习 · 计算机科学 2011-10-07 Florent Couzinie-Devy , Julien Mairal , Francis Bach , Jean Ponce

The target of this paper is to recommend a way for Automated classification of Fish species. A high accuracy fish classification is required for greater understanding of fish behavior in Ichthyology and by marine biologists. Maintaining a…

计算机视觉与模式识别 · 计算机科学 2018-05-28 Dhruv Rathi , Sushant Jain , Dr. S. Indu

Deep convolutional neural networks (CNNs) are state-of-the-art for semantic image segmentation, but typically require many labeled training samples. Obtaining 3D segmentations of medical images for supervised training is difficult and labor…

计算机视觉与模式识别 · 计算机科学 2019-07-29 Zhenlin Xu , Marc Niethammer

High-dynamic-range (HDR) imaging is crucial for many computer graphics and vision applications. Yet, acquiring HDR images with a single shot remains a challenging problem. Whereas modern deep learning approaches are successful at…

图像与视频处理 · 电气工程与系统科学 2019-08-05 Christopher A. Metzler , Hayato Ikoma , Yifan Peng , Gordon Wetzstein

Optimization-based filtering smoothes an image by minimizing a fidelity function and simultaneously preserves edges by exploiting a sparse norm penalty over gradients. It has obtained promising performance in practical problems, such as…

图形学 · 计算机科学 2013-05-20 Chengxi Ye , Dacheng Tao , Mingli Song , David W. Jacobs , Min Wu

Robust localization is the cornerstone of autonomous driving, especially in challenging urban environments where GPS signals suffer from multipath errors. Traditional localization approaches rely on high-definition (HD) maps, which consist…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Hang Wu , Zhenghao Zhang , Siyuan Lin , Xiangru Mu , Qiang Zhao , Ming Yang , Tong Qin

The future large adaptive telescopes will trigger new constraints for the calibration of Adaptive Optics (AO) systems equipped with pre-focal Deformable Mirrors (DM). The image of the DM actuators grid as seen by the Wave-Front Sensor (WFS)…

天体物理仪器与方法 · 物理学 2021-05-26 C. T. Heritier , T. Fusco , S. Oberti , B. Neichel , S. Esposito , P. -Y. Madec

Scanning near-field optical microscopy is one of the most effective techniques for spectroscopy of nanoscale systems. However, inferring optical constants from the measured near-field signal can be challenging because of a complicated and…

光学 · 物理学 2023-04-19 Yueqi Zhao , Xinzhong Chen , Ziheng Yao , Mengkun Liu , Michael M. Fogler

Image registration is a key component of various image processing operations which involve the analysis of different image data sets. Automatic image registration domains have witnessed the application of many intelligent methodologies over…

计算机视觉与模式识别 · 计算机科学 2014-05-26 P. V. Arun , S. K. Katiyar

This work presents a novel deep-learning-based pipeline for the inverse problem of image deblurring, leveraging augmentation and pre-training with synthetic data. Our results build on our winning submission to the recent Helsinki Deblur…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Theophil Trippe , Martin Genzel , Jan Macdonald , Maximilian März

Image stitching aims to construct a wide field of view with high spatial resolution, which cannot be achieved in a single exposure. Typically, conventional image stitching techniques, other than deep learning, require complex computation…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Hao Li , Lipo Wang , Tianyun Zhao , Wei Zhao

Assessing fish freshness is vital for ensuring food safety and minimizing economic losses in the seafood industry. However, traditional sensory evaluation remains subjective, time-consuming, and inconsistent. Although recent advances in…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Phi-Hung Hoang , Nam-Thuan Trinh , Van-Manh Tran , Thi-Thu-Hong Phan

We propose a supervised nonrigid image registration method, trained using artificial displacement vector fields (DVF), for which we propose and compare three network architectures. The artificial DVFs allow training in a fully supervised…

图像与视频处理 · 电气工程与系统科学 2019-08-28 Hessam Sokooti , Bob de Vos , Floris Berendsen , Mohsen Ghafoorian , Sahar Yousefi , Boudewijn P. F. Lelieveldt , Ivana Isgum , Marius Staring

Stitching images acquired under perspective projective geometry is a relevant topic in computer vision with multiple applications ranging from smartphone panoramas to the construction of digital maps. Image stitching is an equally prominent…

图像与视频处理 · 电气工程与系统科学 2020-03-09 Javad Fotouhi , Xingtong Liu , Mehran Armand , Nassir Navab , Mathias Unberath

Omnidirectional images (ODIs) have obtained lots of research interest for immersive experiences. Although ODIs require extremely high resolution to capture details of the entire scene, the resolutions of most ODIs are insufficient. Previous…

图像与视频处理 · 电气工程与系统科学 2023-02-10 Fanghua Yu , Xintao Wang , Mingdeng Cao , Gen Li , Ying Shan , Chao Dong

Off-axis digital holographic microscopy is a high-throughput, label-free imaging technology that provides three-dimensional, high-resolution information about samples, particularly useful in large-scale cellular imaging. However, the…

The paper focuses on the algorithm for improving the quality of 3D reconstruction and segmentation in DSP-SLAM by enhancing the RGB image quality. SharpSLAM algorithm developed by us aims to decrease the influence of high dynamic motion on…

We study NAFNet (Nonlinear Activation Free Network), a simple and efficient deep learning baseline for image restoration. By using CIFAR10 images corrupted with noise and blur, we conduct an ablation study of NAFNet's core components. Our…

计算机视觉与模式识别 · 计算机科学 2025-06-25 Vladislav Esaulov , M. Moein Esfahani

Lensfree on-chip microscopy is an emerging imaging technique that can be used to visualize and study biological specimens without the need for imaging lens systems. Important issues that can limit the performance of lensfree on-chip…

光学 · 物理学 2015-05-11 Alexander Wong , Farnoud Kazemzadeh , Chao Jin , Xiao Yu Wang

This paper provides a novel approach to stitching surface images of rotationally symmetric parts. It presents a process pipeline that uses a feature-based stitching approach to create a distortion-free and true-to-life image from a video…

计算机视觉与模式识别 · 计算机科学 2021-06-22 Tobias Schlagenhauf , Tim Brander , Juergen Fleischer