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Most techniques approach the problem of image forgery localization as a binary segmentation task, training neural networks to label original areas as 0 and forged areas as 1. In contrast, we tackle this issue from a more fundamental…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Myung-Joon Kwon , Wonjun Lee , Seung-Hun Nam , Minji Son , Changick Kim

This paper proposes a robust localization system that employs deep learning for better scene representation, and enhances the accuracy of 6-DOF camera pose estimation. Inspired by the fact that global scene structure can be revealed by wide…

计算机视觉与模式识别 · 计算机科学 2019-04-23 Hsin-I Chen , Sebastian Agethen , Chiamin Wu , Winston Hsu , Bing-Yu Chen

Motion blur is a fundamental problem in computer vision as it impacts image quality and hinders inference. Traditional deblurring algorithms leverage the physics of the image formation model and use hand-crafted priors: they usually produce…

计算机视觉与模式识别 · 计算机科学 2018-01-17 Huaijin Chen , Jinwei Gu , Orazio Gallo , Ming-Yu Liu , Ashok Veeraraghavan , Jan Kautz

We introduce Spurfies, a novel method for sparse-view surface reconstruction that disentangles appearance and geometry information to utilize local geometry priors trained on synthetic data. Recent research heavily focuses on 3D…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Kevin Raj , Christopher Wewer , Raza Yunus , Eddy Ilg , Jan Eric Lenssen

Despite advances in the paradigm of pre-training then fine-tuning in low-level vision tasks, significant challenges persist particularly regarding the increased size of pre-trained models such as memory usage and training time. Another…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Yuanbo Zhou , Yuyang Xue , Wei Deng , Xinlin Zhang , Qinquan Gao , Tong Tong

Visuomotor imitation learning policies enable robots to efficiently acquire manipulation skills from visual demonstrations. However, as scene complexity and visual distractions increase, policies that perform well in simple settings often…

Video Frame Interpolation (VFI) has been extensively explored and demonstrated, yet its application to polarization remains largely unexplored. Due to the selective transmission of light by polarized filters, longer exposure times are…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Feng Huang , Xin Zhang , Yixuan Xu , Xuesong Wang , Xianyu Wu

Collaborative filtering (CF) is widely used to learn informative latent representations of users and items from observed interactions. Existing CF-based methods commonly adopt negative sampling to discriminate different items. Training with…

信息检索 · 计算机科学 2023-05-02 Xin Zhou , Aixin Sun , Yong Liu , Jie Zhang , Chunyan Miao

Functional magnetic resonance imaging (fMRI) is a powerful tool for investigating human brain function. However, the high cost of data acquisition and the inherent subjectivity of psychiatric rating scales often lead to datasets with small…

Advanced Driver-Assistance Systems rely heavily on perception tasks such as semantic segmentation where images are captured from large field of view (FoV) cameras. State-of-the-art works have made considerable progress toward applying…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Clément Playout , Ola Ahmad , Freddy Lecue , Farida Cheriet

Masked Image Modeling (MIM) has garnered significant attention in self-supervised learning, thanks to its impressive capacity to learn scalable visual representations tailored for downstream tasks. However, images inherently contain…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Wenzhao Xiang , Chang Liu , Hongyang Yu , Xilin Chen

Background: Underwater images, in general, suffer from low contrast and high color distortions due to the non-uniform attenuation of the light as it propagates through the water. In addition, the degree of attenuation varies with the…

图像与视频处理 · 电气工程与系统科学 2022-01-20 Prasen Kumar Sharma , Ira Bisht , Arijit Sur

Although the distortion correction of fisheye images has been extensively studied, the correction of fisheye videos is still an elusive challenge. For different frames of the fisheye video, the existing image correction methods ignore the…

计算机视觉与模式识别 · 计算机科学 2023-02-09 Shangrong Yang , Chunyu Lin , Kang Liao , Yao Zhao

This paper presents Contrastive Reconstruction, ConRec - a self-supervised learning algorithm that obtains image representations by jointly optimizing a contrastive and a self-reconstruction loss. We showcase that state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2022-02-23 Jonas Dippel , Steffen Vogler , Johannes Höhne

This paper raises the new task of Fisheye Semantic Completion (FSC), where dense texture, structure, and semantics of a fisheye image are inferred even beyond the sensor field-of-view (FoV). Fisheye cameras have larger FoV than ordinary…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Hao Shi , Yu Li , Kailun Yang , Jiaming Zhang , Kunyu Peng , Alina Roitberg , Yaozu Ye , Huajian Ni , Kaiwei Wang , Rainer Stiefelhagen

Previous studies aiming to optimize and bundle-adjust camera poses using Neural Radiance Fields (NeRFs), such as BARF and DBARF, have demonstrated impressive capabilities in 3D scene reconstruction. However, these approaches have been…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Yifan Wu , Tianyi Cheng , Peixu Xin , Janusz Konrad

Single-Photon Image Super-Resolution (SPISR) aims to recover a high-resolution volumetric photon counting cube from a noisy low-resolution one by computational imaging algorithms. In real-world scenarios, pairs of training samples are often…

图像与视频处理 · 电气工程与系统科学 2023-03-06 Yiwei Chen , Chen Jiang , Yu Pan

Unsupervised learning algorithms are beginning to achieve accuracies comparable to their supervised counterparts on benchmark computer vision tasks, but their utility for practical applications has not yet been demonstrated. In this work,…

计算机视觉与模式识别 · 计算机科学 2022-01-13 Jeremiah W. Johnson , Swathi Hari , Donald Hampton , Hyunju K. Connor , Amy Keesee

The majority of image processing approaches assume images are in or can be rectified to a perspective projection. However, in many applications it is beneficial to use non conventional cameras, such as fisheye cameras, that have a larger…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Ryan Griffiths , Donald G. Dansereau

The task of detecting and classifying damages in sewer pipes offers an important application area for computer vision algorithms. This paper describes a system, which is capable of accomplishing this task solely based on low quality and…

计算机视觉与模式识别 · 计算机科学 2019-12-12 Johannes Künzel , Thomas Werner , Ronja Möller , Peter Eisert , Jan Waschnewski , Ralf Hilpert