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Road obstacle detection is an important problem for vehicle driving safety. In this paper, we aim to obtain robust road obstacle detection based on spatio-temporal context modeling. Firstly, a data-driven spatial context model of the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-20 Xiuen Wu , Tao Wang , Lingyu Liang , Zuoyong Li , Fum Yew Ching

Monocular depth estimation and semantic segmentation are two fundamental goals of scene understanding. Due to the advantages of task interaction, many works study the joint task learning algorithm. However, most existing methods fail to…

Computer Vision and Pattern Recognition · Computer Science 2021-09-02 Tianxiao Gao , Wu Wei , Zhongbin Cai , Zhun Fan , Shane Xie , Xinmei Wang , Qiuda Yu

Identifying metaphors in text is very challenging and requires comprehending the underlying comparison. The automation of this cognitive process has gained wide attention lately. However, the majority of existing approaches concentrate on…

Computation and Language · Computer Science 2020-10-13 Omnia Zayed , John P. McCrae , Paul Buitelaar

Scene text recognition models have advanced greatly in recent years. Inspired by human reading we characterize two important scene text recognition models by measuring their domains i.e. the range of stimulus images that they can read. The…

Computer Vision and Pattern Recognition · Computer Science 2020-07-02 Sahar Siddiqui , Elena Sizikova , Gemma Roig , Najib J. Majaj , Denis G. Pelli

Most pretrained language models rely on subword tokenization, which processes text as a sequence of subword tokens. However, different granularities of text, such as characters, subwords, and words, can contain different kinds of…

Computation and Language · Computer Science 2024-04-09 Yilin Wang , Xinyi Hu , Matthew R. Gormley

Meta-learning approaches have addressed few-shot problems by finding initialisations suited for fine-tuning to target tasks. Often there are additional properties within training data (which we refer to as context), not relevant to the…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Toby Perrett , Alessandro Masullo , Tilo Burghardt , Majid Mirmehdi , Dima Damen

Images with visual and scene text content are ubiquitous in everyday life. However, current image interpretation systems are mostly limited to using only the visual features, neglecting to leverage the scene text content. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Arka Ujjal Dey , Suman Kumar Ghosh , Ernest Valveny , Gaurav Harit

Assuming unknown classes could be present during classification, the open set recognition (OSR) task aims to classify an instance into a known class or reject it as unknown. In this paper, we use a two-stage training strategy for the OSR…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Jingyun Jia , Philip K. Chan

Learning visual representations with interpretable features, i.e., disentangled representations, remains a challenging problem. Existing methods demonstrate some success but are hard to apply to large-scale vision datasets like ImageNet. In…

Machine Learning · Computer Science 2023-06-01 Lilian Ngweta , Subha Maity , Alex Gittens , Yuekai Sun , Mikhail Yurochkin

Visual text, a pivotal element in both document and scene images, speaks volumes and attracts significant attention in the computer vision domain. Beyond visual text detection and recognition, the field of visual text processing has…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Yan Shu , Weichao Zeng , Zhenhang Li , Fangmin Zhao , Yu Zhou

Traditionally, training neural networks to perform semantic segmentation required expensive human-made annotations. But more recently, advances in the field of unsupervised learning have made significant progress on this issue and towards…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Leon Sick , Dominik Engel , Pedro Hermosilla , Timo Ropinski

Detecting actions in untrimmed videos should not be limited to a small, closed set of classes. We present a simple, yet effective strategy for open-vocabulary temporal action detection utilizing pretrained image-text co-embeddings. Despite…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Vivek Rathod , Bryan Seybold , Sudheendra Vijayanarasimhan , Austin Myers , Xiuye Gu , Vighnesh Birodkar , David A. Ross

Lensless cameras are characterized by several advantages (e.g., miniaturization, ease of manufacture, and low cost) as compared with conventional cameras. However, they have not been extensively employed due to their poor image clarity and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Yinger Zhang , Zhouyi Wu , Peiying Lin , Yuting Wu , Lusong Wei , Zhengjie Huang , Jiangtao Huangfu

We propose a novel framework for video understanding, called Temporally Contextualized CLIP (TC-CLIP), which leverages essential temporal information through global interactions in a spatio-temporal domain within a video. To be specific, we…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Minji Kim , Dongyoon Han , Taekyung Kim , Bohyung Han

In-context learning (ICL) using large language models for tasks with many labels is challenging due to the limited context window, which makes it difficult to fit a sufficient number of examples in the prompt. In this paper, we use a…

Computation and Language · Computer Science 2023-12-07 Aristides Milios , Siva Reddy , Dzmitry Bahdanau

In this paper we explore two ways of using context for object detection. The first model focusses on people and the objects they commonly interact with, such as fashion and sports accessories. The second model considers more general object…

Computer Vision and Pattern Recognition · Computer Science 2015-11-26 Saurabh Gupta , Bharath Hariharan , Jitendra Malik

The integration of external personalized context information into document-grounded conversational systems has significant potential business value, but has not been well-studied. Motivated by the concept of personalized context-aware…

Artificial Intelligence · Computer Science 2023-08-29 Hui Wan , Hongkang Li , Songtao Lu , Xiaodong Cui , Marina Danilevsky

Natural scene character recognition is challenging due to the cluttered background, which is hard to separate from text. In this paper, we propose a novel method for robust scene character recognition. Specifically, we first use robust…

Computer Vision and Pattern Recognition · Computer Science 2016-06-16 Zheng Zhang , Yong Xu , Cheng-Lin Liu

When reading a text, it is common to become stuck on unfamiliar words and phrases, such as polysemous words with novel senses, rarely used idioms, internet slang, or emerging entities. If we humans cannot figure out the meaning of those…

Computation and Language · Computer Science 2019-04-11 Shonosuke Ishiwatari , Hiroaki Hayashi , Naoki Yoshinaga , Graham Neubig , Shoetsu Sato , Masashi Toyoda , Masaru Kitsuregawa

Handwritten Text Recognition remains challenging due to the limited data, high writing style variance, and scripts with complex diacritics. Existing approaches, though partially address these issues, often struggle to generalize without…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Pham Thach Thanh Truc , Dang Hoai Nam , Huynh Tong Dang Khoa , Vo Nguyen Le Duy
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