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The target of space-time video super-resolution (STVSR) is to increase the spatial-temporal resolution of low-resolution (LR) and low frame rate (LFR) videos. Recent approaches based on deep learning have made significant improvements, but…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Hai Wang , Xiaoyu Xiang , Yapeng Tian , Wenming Yang , Qingmin Liao

Active-stereo-based 3D shape measurement is crucial for various purposes, such as industrial inspection, reverse engineering, and medical systems, due to its strong ability to accurately acquire the shape of textureless objects. Active…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Ryo Furukawa , Kota Nishihara , Hiroshi Kawasaki

We present a virtual image refocusing method over an extended depth of field (DOF) enabled by cascaded neural networks and a double-helix point-spread function (DH-PSF). This network model, referred to as W-Net, is composed of two cascaded…

图像与视频处理 · 电气工程与系统科学 2021-06-22 Xilin Yang , Luzhe Huang , Yilin Luo , Yichen Wu , Hongda Wang , Yair Rivenson , Aydogan Ozcan

In recent years, human pose estimation has made significant progress through the implementation of deep learning techniques. However, these techniques still face limitations when confronted with challenging scenarios, including occlusion,…

计算机视觉与模式识别 · 计算机科学 2023-11-10 Sihan Gao , Jing Zhu , Xiaoxuan Zhuang , Zhaoyue Wang , Qijin Li

Depth estimation from a single image in the wild remains a challenging problem. One main obstacle is the lack of high-quality training data for images in the wild. In this paper we propose a method to automatically generate such data…

计算机视觉与模式识别 · 计算机科学 2019-04-25 Weifeng Chen , Shengyi Qian , Jia Deng

Multi-focus image fusion (MFF) is a popular technique to generate an all-in-focus image, where all objects in the scene are sharp. However, existing methods pay little attention to defocus spread effects of the real-world multi-focus…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Shuang Xu , Lizhen Ji , Zhe Wang , Pengfei Li , Kai Sun , Chunxia Zhang , Jiangshe Zhang

Fringe projection profilometry (FPP) is one of the most popular three-dimensional (3D) shape measurement techniques, and has becoming more prevalently adopted in intelligent manufacturing, defect detection and some other important…

图像与视频处理 · 电气工程与系统科学 2020-04-24 Jiaming Qian , Shijie Feng , Tianyang Tao , Yan Hu , Yixuan Li , Qian Chen , Chao Zuo

A deep feature based saliency model (DeepFeat) is developed to leverage the understanding of the prediction of human fixations. Traditional saliency models often predict the human visual attention relying on few level image cues. Although…

计算机视觉与模式识别 · 计算机科学 2017-09-11 Ali Mahdi , Jun Qin

Very deep convolutional neural networks (CNNs) have been firmly established as the primary methods for many computer vision tasks. However, most state-of-the-art CNNs are large, which results in high inference latency. Recently, depth-wise…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Yihui He , Jianing Qian , Jianren Wang , Cindy X. Le , Congrui Hetang , Qi Lyu , Wenping Wang , Tianwei Yue

The structured light (SL)-based three-dimensional (3D) measurement techniques with deep learning have been widely studied to improve measurement efficiency, among which fringe projection profilometry (FPP) and speckle projection…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Mingyang Lei , Jingfan Fan , Long Shao , Hong Song , Deqiang Xiao , Danni Ai , Tianyu Fu , Ying Gu , Jian Yang

Most action recognition solutions rely on dense sampling to precisely cover the informative temporal clip. Extensively searching temporal region is expensive for a real-world application. In this work, we focus on improving the inference…

计算机视觉与模式识别 · 计算机科学 2021-07-30 Chunhui Liu , Xinyu Li , Hao Chen , Davide Modolo , Joseph Tighe

Neural surface reconstruction relies heavily on accurate camera poses as input. Despite utilizing advanced pose estimators like COLMAP or ARKit, camera poses can still be noisy. Existing pose-NeRF joint optimization methods handle poses…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Yi Gu , Dongjun Ye , Zhaorui Wang , Jiaxu Wang , Jiahang Cao , Renjing Xu

With the rapid advancement of diffusion-based generative models, Stable Diffusion (SD) has emerged as a state-of-the-art framework for high-fidelity im-age synthesis. However, existing SD models suffer from suboptimal feature aggregation,…

图形学 · 计算机科学 2025-07-21 Zhen-Qi Chen , Yuan-Fu Yang

A shallow depth-of-field image keeps the subject in focus, and the foreground and background contexts blurred. This effect requires much larger lens apertures than those of smartphone cameras. Conventional methods acquire RGB-D images and…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Meng-Lin Wu , Venkata Ravi Kiran Dayana , Hau Hwang

Recently, feature upsampling has gained increasing attention owing to its effectiveness in enhancing vision foundation models (VFMs) for pixel-level understanding tasks. Existing methods typically rely on high-resolution features from the…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Xiaoqiong Liu , Heng Fan

The increasing realism of content generated by GANs and diffusion models has made deepfake detection significantly more challenging. Existing approaches often focus solely on spatial or frequency-domain features, limiting their…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Inzamamul Alam , Md Tanvir Islam , Simon S. Woo

Image guidance is an effective strategy for depth super-resolution. Generally, most existing methods employ hand-crafted operators to decompose the high-frequency (HF) and low-frequency (LF) ingredients from low-resolution depth maps and…

计算机视觉与模式识别 · 计算机科学 2023-02-01 Jiayi Yuan , Haobo Jiang , Xiang Li , Jianjun Qian , Jun Li , Jian Yang

Deep Learning (DL) based Compressed Sensing (CS) has been applied for better performance of image reconstruction than traditional CS methods. However, most existing DL methods utilize the block-by-block measurement and each measurement…

图像与视频处理 · 电气工程与系统科学 2022-09-29 Zhifeng Wang , Zhenghui Wang , Chunyan Zeng , Yan Yu , Xiangkui Wan

Recent advances in end-to-end unsupervised learning has significantly improved the performance of monocular depth prediction and alleviated the requirement of ground truth depth. Although a plethora of work has been done in enforcing…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Vinay Kaushik , Brejesh Lall

We propose a novel learning-based approach for robust 3D shape matching. Our method builds upon deep functional maps and can be trained in a fully unsupervised manner. Previous deep functional map methods mainly focus on predicting…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Dongliang Cao , Paul Roetzer , Florian Bernard
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