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相关论文: iBoW-LCD: An Appearance-based Loop Closure Detecti…

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Using natural language as a supervision for training visual recognition models holds great promise. Recent works have shown that if such supervision is used in the form of alignment between images and captions in large training datasets,…

计算机视觉与模式识别 · 计算机科学 2022-01-07 Ajinkya Tejankar , Maziar Sanjabi , Bichen Wu , Saining Xie , Madian Khabsa , Hamed Pirsiavash , Hamed Firooz

Loop Closure Detection (LCD) is an essential task in robotics and computer vision, serving as a fundamental component for various applications across diverse domains. These applications encompass object recognition, image retrieval, and…

机器人学 · 计算机科学 2023-09-14 Mirko Usuelli , Matteo Frosi , Paolo Cudrano , Simone Mentasti , Matteo Matteucci

Previous scene text detection methods have progressed substantially over the past years. However, limited by the receptive field of CNNs and the simple representations like rectangle bounding box or quadrangle adopted to describe text,…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Chengquan Zhang , Borong Liang , Zuming Huang , Mengyi En , Junyu Han , Errui Ding , Xinghao Ding

We present a simple yet effective method to address loop closure detection in simultaneous localisation and mapping using local 3D deep descriptors (L3Ds). L3Ds are emerging compact representations of patches extracted from point clouds…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Youjie Zhou , Yiming Wang , Fabio Poiesi , Qi Qin , Yi Wan

Recent breakthroughs in representation learning of unseen classes and examples have been made in deep metric learning by training at the same time the image representations and a corresponding metric with deep networks. Recent contributions…

计算机视觉与模式识别 · 计算机科学 2020-05-01 Pierre Jacob , David Picard , Aymeric Histace , Edouard Klein

It is essential for a robot to be able to detect revisits or loop closures for long-term visual navigation.A key insight explored in this work is that the loop-closing event inherently occurs sparsely, that is, the image currently being…

机器人学 · 计算机科学 2017-02-01 Yasir Latif , Guoquan Huang , John Leonard , Jose Neira

The standard language modeling (LM) loss by itself has been shown to be inadequate for effective dialogue modeling. As a result, various training approaches, such as auxiliary loss functions and leveraging human feedback, are being adopted…

计算与语言 · 计算机科学 2025-01-20 Suvodip Dey , Maunendra Sankar Desarkar

With the growing amount of inappropriate content on the Internet, such as pornography, arises the need to detect and filter such material. The reason for this is given by the fact that such content is often prohibited in certain…

计算机视觉与模式识别 · 计算机科学 2016-11-14 Carlos Caetano , Sandra Avila , William Robson Schwartz , Silvio Jamil F. Guimarães , Arnaldo de A. Araújo

Visual learning problems such as object classification and action recognition are typically approached using extensions of the popular bag-of-words (BoW) model. Despite its great success, it is unclear what visual features the BoW model is…

计算机视觉与模式识别 · 计算机科学 2016-01-20 Ji Zhao , Liantao Wang , Ricardo Cabral , Fernando De la Torre

In recent years, object detection has achieved significant progress, especially in the field of open-vocabulary object detection. Unlike traditional methods that rely on predefined categories, open-vocabulary approaches can detect arbitrary…

计算机视觉与模式识别 · 计算机科学 2026-05-07 ZhiXin Sun

Change detection, or anomaly detection, from street-view images acquired by an autonomous robot at multiple different times, is a major problem in robotic mapping and autonomous driving. Formulation as an image comparison task, which…

计算机视觉与模式识别 · 计算机科学 2016-08-09 Tomoya Murase , Kanji Tanaka

The loss function for bounding box regression (BBR) is essential to object detection. Its good definition will bring significant performance improvement to the model. Most existing works assume that the examples in the training data are…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Zanjia Tong , Yuhang Chen , Zewei Xu , Rong Yu

Continuous Bag of Words (CBOW) is a powerful text embedding method. Due to its strong capabilities to encode word content, CBOW embeddings perform well on a wide range of downstream tasks while being efficient to compute. However, CBOW is…

计算与语言 · 计算机科学 2019-02-19 Florian Mai , Lukas Galke , Ansgar Scherp

To measure the similarity of two documents in the bag-of-words (BoW) vector representation, different term weighting schemes are used to improve the performance of cosine similarity---the most widely used inter-document similarity measure…

信息检索 · 计算机科学 2019-02-12 Sunil Aryal , Kai Ming Ting , Takashi Washio , Gholamreza Haffari

Time series classification is an application of particular interest with the increase of data to monitor. Classical techniques for time series classification rely on point-to-point distances. Recently, Bag-of-Words approaches have been used…

机器学习 · 计算机科学 2016-01-14 Adeline Bailly , Simon Malinowski , Romain Tavenard , Thomas Guyet , Laetitia Chapel

Much of the progress in contemporary NLP has come from learning representations, such as masked language model (MLM) contextual embeddings, that turn challenging problems into simple classification tasks. But how do we quantify and explain…

计算与语言 · 计算机科学 2021-09-16 Gregory Yauney , David Mimno

Rotation detection serves as a fundamental building block in many visual applications involving aerial image, scene text, and face etc. Differing from the dominant regression-based approaches for orientation estimation, this paper explores…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Xue Yang , Liping Hou , Yue Zhou , Wentao Wang , Junchi Yan

Recent advances in cross-lingual word embeddings have primarily relied on mapping-based methods, which project pretrained word embeddings from different languages into a shared space through a linear transformation. However, these…

计算与语言 · 计算机科学 2020-05-04 Ali Sabet , Prakhar Gupta , Jean-Baptiste Cordonnier , Robert West , Martin Jaggi

In contrast to the incremental classification task, the incremental detection task is characterized by the presence of data ambiguity, as an image may have differently labeled bounding boxes across multiple continuous learning stages. This…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Ziyue Huang , Yupeng He , Qingjie Liu , Yunhong Wang

The use of bag of visual words (BOW) model for modelling images based on local invariant features computed at interest point locations has become a standard choice for many computer vision tasks. Visual vocabularies generated from image…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Yousef Alqasrawi