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Related papers: OBoW: Online Bag-of-Visual-Words Generation for Se…

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Originating from the diffusion phenomenon in physics that describes particle movement, the diffusion generative models inherit the characteristics of stochastic random walk in the data space along the denoising trajectory. However, the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Ruoyu Wang , Yongqi Yang , Zhihao Qian , Ye Zhu , Yu Wu

Detection and classification of ships based on their silhouette profiles in natural imagery is an important undertaking in computer science. This problem can be viewed from a variety of perspectives, including security, traffic control, and…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Sadegh Soleimani Pour , Ata Jodeiri , Hossein Rashidi , Seyed Mostafa Mirhassani , Hoda Kheradfallah , Hadi Seyedarabi

This paper addresses the problem of change detection from a novel perspective of long-term map learning. We are particularly interested in designing an approach that can scale to large maps and that can function under global uncertainty in…

Computer Vision and Pattern Recognition · Computer Science 2017-03-03 Murase Tomoya , Tanaka Kanji

We capitalize on large amounts of readily-available, synchronous data to learn a deep discriminative representations shared across three major natural modalities: vision, sound and language. By leveraging over a year of sound from video and…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Yusuf Aytar , Carl Vondrick , Antonio Torralba

Existing text recognition methods usually need large-scale training data. Most of them rely on synthetic training data due to the lack of annotated real images. However, there is a domain gap between the synthetic data and real data, which…

Computer Vision and Pattern Recognition · Computer Science 2023-03-03 Mingkun Yang , Minghui Liao , Pu Lu , Jing Wang , Shenggao Zhu , Hualin Luo , Qi Tian , Xiang Bai

State-of-the-art weakly supervised text classification methods, while significantly reduced the required human supervision, still requires the supervision to cover all the classes of interest. This is never easy to meet in practice when…

Computation and Language · Computer Science 2023-11-27 Tianle Wang , Zihan Wang , Weitang Liu , Jingbo Shang

This paper proposes a simple yet effective approach to learn visual features online for improving loop-closure detection and place recognition, based on bag-of-words frameworks. The approach learns a codeword in bag-of-words model from a…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Guangcong Zhang , Mason J. Lilly , Patricio A. Vela

Many high-level skills that are required for computer vision tasks, such as parsing questions, comparing and contrasting semantics, and writing descriptions, are also required in other domains such as natural language processing. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Sophia Gu , Christopher Clark , Aniruddha Kembhavi

In-context learning allows adapting a model to new tasks given a task description at test time. In this paper, we present IMProv - a generative model that is able to in-context learn visual tasks from multimodal prompts. Given a textual…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Jiarui Xu , Yossi Gandelsman , Amir Bar , Jianwei Yang , Jianfeng Gao , Trevor Darrell , Xiaolong Wang

Object detection (OD), a crucial vision task, remains challenged by the lack of large training datasets with precise object localization labels. In this work, we propose ALWOD, a new framework that addresses this problem by fusing active…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Yuting Wang , Velibor Ilic , Jiatong Li , Branislav Kisacanin , Vladimir Pavlovic

Representational learning forms the backbone of most deep learning applications, and the value of a learned representation is intimately tied to its information content regarding different factors of variation. Finding good representations…

Machine Learning · Computer Science 2022-03-31 Kieran A. Murphy , Varun Jampani , Srikumar Ramalingam , Ameesh Makadia

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…

Computation and Language · Computer Science 2020-05-04 Ali Sabet , Prakhar Gupta , Jean-Baptiste Cordonnier , Robert West , Martin Jaggi

The intuitive interaction between the audio and visual modalities is valuable for cross-modal self-supervised learning. This concept has been demonstrated for generic audiovisual tasks like video action recognition and acoustic scene…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-14 Abhinav Shukla , Stavros Petridis , Maja Pantic

We propose a method to learn unsupervised sentence representations in a non-compositional manner based on Generative Latent Optimization. Our approach does not impose any assumptions on how words are to be combined into a sentence…

Computation and Language · Computer Science 2019-08-14 Sidak Pal Singh , Angela Fan , Michael Auli

Large offline learning-based models have enabled robots to successfully interact with objects for a wide variety of tasks. However, these models rely on fairly consistent structured environments. For more unstructured environments, an…

Robotics · Computer Science 2023-07-20 Nikhil U. Shinde , Jacob Johnson , Sylvia Herbert , Michael C. Yip

Cross-language learning allows us to use training data from one language to build models for a different language. Many approaches to bilingual learning require that we have word-level alignment of sentences from parallel corpora. In this…

Computation and Language · Computer Science 2014-02-07 Sarath Chandar A P , Stanislas Lauly , Hugo Larochelle , Mitesh M. Khapra , Balaraman Ravindran , Vikas Raykar , Amrita Saha

Existing approaches for learning word embeddings often assume there are sufficient occurrences for each word in the corpus, such that the representation of words can be accurately estimated from their contexts. However, in real-world…

Computation and Language · Computer Science 2019-07-02 Ziniu Hu , Ting Chen , Kai-Wei Chang , Yizhou Sun

Unsupervised learning methods based on contrastive learning have drawn increasing attention and achieved promising results. Most of them aim to learn representations invariant to instance-level variations, which are provided by different…

Computer Vision and Pattern Recognition · Computer Science 2020-11-04 Feng Wang , Huaping Liu , Di Guo , Fuchun Sun

In this paper, we focus on unsupervised learning for Video Object Segmentation (VOS) which learns visual correspondence (i.e., the similarity between pixel-level features) from unlabeled videos. Previous methods are mainly based on the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Xiao Pan , Peike Li , Zongxin Yang , Huiling Zhou , Chang Zhou , Hongxia Yang , Jingren Zhou , Yi Yang

In this work\footnote {This work was supported in part by the National Science Foundation under grant IIS-1212948.}, we present a method to represent a video with a sequence of words, and learn the temporal sequencing of such words as the…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 Sangwoo Cho , Hassan Foroosh