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Convolutional neural networks (CNNs) and transfer learning have recently been used for 6 degrees of freedom (6-DoF) camera pose estimation. While they do not reach the same accuracy as visual SLAM-based approaches and are restricted to a…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Soroush Seifi , Tinne Tuytelaars

Low-light image enhancement (LLE) remains challenging due to the unfavorable prevailing low-contrast and weak-visibility problems of single RGB images. In this paper, we respond to the intriguing learning-related question -- if leveraging…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Dong Liang , Ling Li , Mingqiang Wei , Shuo Yang , Liyan Zhang , Wenhan Yang , Yun Du , Huiyu Zhou

Visual localization, i.e., camera pose estimation in a known scene, is a core component of technologies such as autonomous driving and augmented reality. State-of-the-art localization approaches often rely on image retrieval techniques for…

计算机视觉与模式识别 · 计算机科学 2020-12-02 Noé Pion , Martin Humenberger , Gabriela Csurka , Yohann Cabon , Torsten Sattler

Localizing natural language phrases in images is a challenging problem that requires joint understanding of both the textual and visual modalities. In the unsupervised setting, lack of supervisory signals exacerbate this difficulty. In this…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Syed Ashar Javed , Shreyas Saxena , Vineet Gandhi

Detecting lane markings in road scenes poses a challenge due to their intricate nature, which is susceptible to unfavorable conditions. While lane markings have strong shape priors, their visibility is easily compromised by lighting…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Ali Zoljodi , Sadegh Abadijou , Mina Alibeigi , Masoud Daneshtalab

Referring expression comprehension aims to localize objects identified by natural language descriptions. This is a challenging task as it requires understanding of both visual and language domains. One nature is that each object can be…

计算机视觉与模式识别 · 计算机科学 2021-04-21 Yi-Wen Chen , Yi-Hsuan Tsai , Ming-Hsuan Yang

We address the problem of visual place recognition with perceptual changes. The fundamental problem of visual place recognition is generating robust image representations which are not only insensitive to environmental changes but also…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Zhe Xin , Yinghao Cai , Tao Lu , Xiaoxia Xing , Shaojun Cai , Jixiang Zhang , Yiping Yang , Yanqing Wang

We pilot a family of stable contrastive losses for learning pixel-level representations that jointly capture semantic and geometric information. Our approach maps each pixel of an image to an overcomplete descriptor that is both…

计算机视觉与模式识别 · 计算机科学 2025-12-05 Leonid Pogorelyuk , Niels Bracher , Aaron Verkleeren , Lars Kühmichel , Stefan T. Radev

Cross-modal retrieval methods have been significantly improved in last years with the use of deep neural networks and large-scale annotated datasets such as ImageNet and Places. However, collecting and annotating such datasets requires a…

计算机视觉与模式识别 · 计算机科学 2019-02-04 Yash Patel , Lluis Gomez , Marçal Rusiñol , Dimosthenis Karatzas , C. V. Jawahar

Planet-scale photo geolocalization is the complex task of estimating the location depicted in an image solely based on its visual content. Due to the success of convolutional neural networks (CNNs), current approaches achieve super-human…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Jonas Theiner , Eric Mueller-Budack , Ralph Ewerth

Self-supervised contrastive learning has demonstrated great potential in learning visual representations. Despite their success in various downstream tasks such as image classification and object detection, self-supervised pre-training for…

计算机视觉与模式识别 · 计算机科学 2022-10-12 Di Wu , Siyuan Li , Zelin Zang , Stan Z. Li

Unsupervised learning has recently made exceptional progress because of the development of more effective contrastive learning methods. However, CNNs are prone to depend on low-level features that humans deem non-semantic. This dependency…

计算机视觉与模式识别 · 计算机科学 2022-01-04 Songwei Ge , Shlok Mishra , Haohan Wang , Chun-Liang Li , David Jacobs

Whilst contrastive learning has recently brought notable benefits to deep clustering of unlabelled images by learning sample-specific discriminative visual features, its potential for explicitly inferring class decision boundaries is less…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Jiabo Huang , Shaogang Gong

Visual place recognition is a challenging task in computer vision and a key component of camera-based localization and navigation systems. Recently, Convolutional Neural Networks (CNNs) achieved high results and good generalization…

计算机视觉与模式识别 · 计算机科学 2023-04-21 María Leyva-Vallina , Nicola Strisciuglio , Nicolai Petkov

Contrastive learning has revolutionized the field of computer vision, learning rich representations from unlabeled data, which generalize well to diverse vision tasks. Consequently, it has become increasingly important to explain these…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Fawaz Sammani , Boris Joukovsky , Nikos Deligiannis

Neural network based speech recognition systems suffer from performance degradation due to accented speech, especially unfamiliar accents. In this paper, we study the supervised contrastive learning framework for accented speech…

声音 · 计算机科学 2021-07-05 Tao Han , Hantao Huang , Ziang Yang , Wei Han

Zero-shot classification of image scenes which can recognize the image scenes that are not seen in the training stage holds great promise of lowering the dependence on large numbers of labeled samples. To address the zero-shot image scene…

计算机视觉与模式识别 · 计算机科学 2023-06-12 Chun Liu , Suqiang Ma , Zheng Li , Wei Yang , Zhigang Han

With the escalated demand of human-machine interfaces for intelligent systems, development of gaze controlled system have become a necessity. Gaze, being the non-intrusive form of human interaction, is one of the best suited approach.…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Somsukla Maiti , Akshansh Gupta

By considering the spatial correspondence, dense self-supervised representation learning has achieved superior performance on various dense prediction tasks. However, the pixel-level correspondence tends to be noisy because of many similar…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Zhaoqing Wang , Qiang Li , Guoxin Zhang , Pengfei Wan , Wen Zheng , Nannan Wang , Mingming Gong , Tongliang Liu

Cross-View Geo-Localisation is still a challenging task where additional modules, specific pre-processing or zooming strategies are necessary to determine accurate positions of images. Since different views have different geometries,…

计算机视觉与模式识别 · 计算机科学 2023-08-30 Fabian Deuser , Konrad Habel , Norbert Oswald