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Many statistical learning models hold an assumption that the training data and the future unlabeled data are drawn from the same distribution. However, this assumption is difficult to fulfill in real-world scenarios and creates barriers in…

人机交互 · 计算机科学 2020-09-16 Yuxin Ma , Arlen Fan , Jingrui He , Arun Reddy Nelakurthi , Ross Maciejewski

Day-to-night unpaired image translation is important to downstream tasks but remains challenging due to large appearance shifts and the lack of direct pixel-level supervision. Existing methods often introduce semantic hallucinations, where…

计算机视觉与模式识别 · 计算机科学 2026-02-18 Shuwei Li , Lei Tan , Robby T. Tan

In current object detection, algorithms require the object to be directly visible in order to be detected. As humans, however, we intuitively use visual cues caused by the respective object to already make assumptions about its appearance.…

计算机视觉与模式识别 · 计算机科学 2022-03-18 Sascha Saralajew , Lars Ohnemus , Lukas Ewecker , Ebubekir Asan , Simon Isele , Stefan Roos

Due to the poor illumination and the difficulty in annotating, nighttime conditions pose a significant challenge for autonomous vehicle perception systems. Unsupervised domain adaptation (UDA) has been widely applied to semantic…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Fanding Huang , Zihao Yao , Wenhui Zhou

Self-supervised deep learning methods for joint depth and ego-motion estimation can yield accurate trajectories without needing ground-truth training data. However, as they typically use photometric losses, their performance can degrade…

计算机视觉与模式识别 · 计算机科学 2022-06-29 Madhu Vankadari , Stuart Golodetz , Sourav Garg , Sangyun Shin , Andrew Markham , Niki Trigoni

Synthetic image data generation represents a promising avenue for training deep learning models, particularly in the realm of transfer learning, where obtaining real images within a specific domain can be prohibitively expensive due to…

计算机视觉与模式识别 · 计算机科学 2024-04-04 Yuhang Li , Xin Dong , Chen Chen , Jingtao Li , Yuxin Wen , Michael Spranger , Lingjuan Lyu

Nighttime stereo depth estimation is still challenging, as assumptions associated with daytime lighting conditions do not hold any longer. Nighttime is not only about low-light and dense noise, but also about glow/glare, flares, non-uniform…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Aashish Sharma , Lionel Heng , Loong-Fah Cheong , Robby T. Tan

We consider image transformation problems, where an input image is transformed into an output image. Recent methods for such problems typically train feed-forward convolutional neural networks using a \emph{per-pixel} loss between the…

计算机视觉与模式识别 · 计算机科学 2016-03-29 Justin Johnson , Alexandre Alahi , Li Fei-Fei

Object detection and semantic segmentation are two of the most widely adopted deep learning algorithms in agricultural applications. One of the major sources of variability in image quality acquired in the outdoors for such tasks is…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Abhisesh Silwal , Tanvir Parhar , Francisco Yandun , George Kantor

Relying on the representation power of neural networks, most recent works have often neglected several factors involved in haze degradation, such as transmission (the amount of light reaching an observer from a scene over distance) and…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Eun Woo Im , Junsung Shin , Sungyong Baik , Tae Hyun Kim

Accurately modeling the effects of illumination and shadows during head rotation is critical in computer vision for enhancing image realism and reducing artifacts. This study delves into the latent space of denoising diffusion models to…

计算机视觉与模式识别 · 计算机科学 2025-05-08 Andrea Asperti , Gabriele Colasuonno , Antonio Guerra

Deep learning architectures enhanced with human mobility data have been shown to improve the accuracy of short-term crime prediction models trained with historical crime data. However, human mobility data may be scarce in some regions,…

机器学习 · 计算机科学 2024-06-17 Jiahui Wu , Vanessa Frias-Martinez

Existing research based on deep learning has extensively explored the problem of daytime image dehazing. However, few studies have considered the characteristics of nighttime hazy scenes. There are two distinctions between nighttime and…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Xiaofeng Cong , Jie Gui , Jing Zhang , Junming Hou , Hao Shen

Adverse weather conditions, including snow, rain, and fog, pose a major challenge for both human and computer vision. Handling these environmental conditions is essential for safe decision making, especially in autonomous vehicles,…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Zheng Shi , Ethan Tseng , Mario Bijelic , Werner Ritter , Felix Heide

Deep learning is known to be data-hungry, which hinders its application in many areas of science when datasets are small. Here, we propose to use transfer learning methods to migrate knowledge between different physical scenarios and…

计算机视觉与模式识别 · 计算机科学 2019-05-06 Yurui Qu , Li Jing , Yichen Shen , Min Qiu , Marin Soljacic

In addition to low light, night images suffer degradation from light effects (e.g., glare, floodlight, etc). However, existing nighttime visibility enhancement methods generally focus on low-light regions, which neglects, or even amplifies…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Shufan Pei , Junhong Lin , Wenxi Liu , Tiesong Zhao , Chia-Wen Lin

Removing objects from images is a challenging problem that is important for many applications, including mixed reality. For believable results, the shadows that the object casts should also be removed. Current inpainting-based methods only…

计算机视觉与模式识别 · 计算机科学 2020-12-22 Edward Zhang , Ricardo Martin-Brualla , Janne Kontkanen , Brian Curless

Recent work indicates that, besides being a challenge in producing perceptually pleasing images, low light proves more difficult for machine cognition than previously thought. In our work, we take a closer look at object detection in low…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Igor Morawski , Yu-An Chen , Yu-Sheng Lin , Winston H. Hsu

Transfer learning is a machine learning technique that uses previously acquired knowledge from a source domain to enhance learning in a target domain by reusing learned weights. This technique is ubiquitous because of its great advantages…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Nermeen Abou Baker , Nico Zengeler , Uwe Handmann

Single image scene relighting aims to generate a realistic new version of an input image so that it appears to be illuminated by a new target light condition. Although existing works have explored this problem from various perspectives,…

计算机视觉与模式识别 · 计算机科学 2024-09-30 Yixiong Yang , Hassan Ahmed Sial , Ramon Baldrich , Maria Vanrell