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Convolutional neural networks have recently demonstrated high-quality reconstruction for single-image super-resolution. In this paper, we propose the Laplacian Pyramid Super-Resolution Network (LapSRN) to progressively reconstruct the…

计算机视觉与模式识别 · 计算机科学 2017-10-11 Wei-Sheng Lai , Jia-Bin Huang , Narendra Ahuja , Ming-Hsuan Yang

Recent advances in self-attention and pure multi-layer perceptrons (MLP) models for vision have shown great potential in achieving promising performance with fewer inductive biases. These models are generally based on learning interaction…

计算机视觉与模式识别 · 计算机科学 2021-10-27 Yongming Rao , Wenliang Zhao , Zheng Zhu , Jiwen Lu , Jie Zhou

Light Field (LF) offers unique advantages such as post-capture refocusing and depth estimation, but low-light conditions limit these capabilities. To restore low-light LFs we should harness the geometric cues present in different LF views,…

图像与视频处理 · 电气工程与系统科学 2020-12-29 Mohit Lamba , Kranthi Kumar , Kaushik Mitra

Light field imaging is limited in its computational processing demands of high sampling for both spatial and angular dimensions. Single-shot light field cameras sacrifice spatial resolution to sample angular viewpoints, typically by…

计算机视觉与模式识别 · 计算机科学 2018-02-07 Mayank Gupta , Arjun Jauhari , Kuldeep Kulkarni , Suren Jayasuriya , Alyosha Molnar , Pavan Turaga

While recent deep neural networks have achieved promising results for 3D reconstruction from a single-view image, these rely on the availability of RGB textures in images and extra information as supervision. In this work, we propose novel…

计算机视觉与模式识别 · 计算机科学 2017-01-18 Xinhan Di , Pengqian Yu

Nowadays, panoramic images can be easily obtained by panoramic cameras. However, when the panoramic camera orientation is tilted, a non-upright panoramic image will be captured. Existing upright adjustment models focus on how to estimate…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Heyu Chen , Jianfeng Li , Shigang Li

Multimode fibers (MMFs) have the potential to carry complex images for endoscopy and related applications, but decoding the complex speckle patterns produced by mode-mixing and modal dispersion in MMFs is a serious challenge. Several groups…

图像与视频处理 · 电气工程与系统科学 2020-09-02 Changyan Zhu , Eng Aik Chan , You Wang , Weina Peng , Ruixiang Guo , Baile Zhang , Cesare Soci , Yidong Chong

We propose a novel transformer-style architecture called Global-Local Filter Network (GLFNet) for medical image segmentation and demonstrate its state-of-the-art performance. We replace the self-attention mechanism with a combination of…

计算机视觉与模式识别 · 计算机科学 2024-09-02 Athanasios Tragakis , Qianying Liu , Chaitanya Kaul , Swalpa Kumar Roy , Hang Dai , Fani Deligianni , Roderick Murray-Smith , Daniele Faccio

Medical images play an important role in clinical applications. Multimodal medical images could provide rich information about patients for physicians to diagnose. The image fusion technique is able to synthesize complementary information…

计算机视觉与模式识别 · 计算机科学 2022-12-12 Meng Zhou , Xiaolan Xu , Yuxuan Zhang

A promising direction for recovering the lost information in low-resolution headshot images is utilizing a set of high-resolution exemplars from the same identity. Complementary images in the reference set can improve the generated headshot…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Xiaoyu Xiang , Jon Morton , Fitsum A Reda , Lucas Young , Federico Perazzi , Rakesh Ranjan , Amit Kumar , Andrea Colaco , Jan Allebach

3D reconstruction methods such as Neural Radiance Fields (NeRFs) excel at rendering photorealistic novel views of complex scenes. However, recovering a high-quality NeRF typically requires tens to hundreds of input images, resulting in a…

Deep learning methods for accelerated MRI achieve state-of-the-art results but largely ignore additional speedups possible with noncartesian sampling trajectories. To address this gap, we created a generative diffusion model-based…

人工智能 · 计算机科学 2024-10-02 Trevor J. Chan , Chamith S. Rajapakse

Super-resolution reconstruction techniques entail the utilization of software algorithms to transform one or more sets of low-resolution images captured from the same scene into high-resolution images. In recent years, considerable…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Hao Yan , Zixiang Wang , Zhengjia Xu , Zhuoyue Wang , Zhizhong Wu , Ranran Lyu

In this work we present FreDSNet, a deep learning solution which obtains semantic 3D understanding of indoor environments from single panoramas. Omnidirectional images reveal task-specific advantages when addressing scene understanding…

计算机视觉与模式识别 · 计算机科学 2024-02-06 Bruno Berenguel-Baeta , Jesus Bermudez-Cameo , Jose J. Guerrero

Hyperspectral image classification (HSIC) has been significantly advanced by deep learning methods that exploit rich spatial-spectral correlations. However, existing approaches still face fundamental limitations: transformer-based models…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Muhammad Ahmad

Image restoration is a challenging ill-posed problem which estimates latent sharp image from its degraded counterpart. Although the existing methods have achieved promising performance by designing novelty architecture of module, they…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Hu Gao , Bowen Ma , Ying Zhang , Jingfan Yang , Jing Yang , Depeng Dang

Typical Magnetic Resonance Imaging (MRI) scan may take 20 to 60 minutes. Reducing MRI scan time is beneficial for both patient experience and cost considerations. Accelerated MRI scan may be achieved by acquiring less amount of k-space data…

图像与视频处理 · 电气工程与系统科学 2020-01-15 Pak Lun Kevin Ding , Zhiqiang Li , Yuxiang Zhou , Baoxin Li

Fast and accurate MRI image reconstruction from undersampled data is crucial in clinical practice. Deep learning based reconstruction methods have shown promising advances in recent years. However, recovering fine details from undersampled…

图像与视频处理 · 电气工程与系统科学 2022-02-23 Eric Z. Chen , Puyang Wang , Xiao Chen , Terrence Chen , Shanhui Sun

Confocal microscopy is the standard approach for obtaining volumetric images of a sample with high axial and lateral resolution, especially when dealing with scattering samples. Unfortunately, a confocal microscope is quite expensive…

Generating high-quality synthetic data is crucial for addressing challenges in medical imaging, such as domain adaptation, data scarcity, and privacy concerns. Existing image quality metrics often rely on reference images, are tailored for…

图像与视频处理 · 电气工程与系统科学 2024-07-23 Karl Van Eeden Risager , Torkan Gholamalizadeh , Mostafa Mehdipour Ghazi