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Temporal sentence grounding aims to detect event timestamps described by the natural language query from given untrimmed videos. The existing fully-supervised setting achieves great results but requires expensive annotation costs; while the…

计算机视觉与模式识别 · 计算机科学 2025-02-19 Haicheng Wang , Chen Ju , Weixiong Lin , Chaofan Ma , Shuai Xiao , Ya Zhang , Yanfeng Wang

Existing deep multi-object tracking (MOT) approaches first learn a deep representation to describe target objects and then associate detection results by optimizing a linear assignment problem. Despite demonstrated successes, it is…

计算机视觉与模式识别 · 计算机科学 2019-07-30 Jun Xiang , Ma Chao , Guohan Xu , Jianhua Hou

Image segmentation is considered to be one of the critical tasks in hyperspectral remote sensing image processing. Recently, convolutional neural network (CNN) has established itself as a powerful model in segmentation and classification by…

计算机视觉与模式识别 · 计算机科学 2017-12-29 Fahim Irfan Alam , Jun Zhou , Alan Wee-Chung Liew , Xiuping Jia , Jocelyn Chanussot , Yongsheng Gao

3D visual grounding involves finding a target object in a 3D scene that corresponds to a given sentence query. Although many approaches have been proposed and achieved impressive performance, they all require dense object-sentence pair…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Zehan Wang , Haifeng Huang , Yang Zhao , Linjun Li , Xize Cheng , Yichen Zhu , Aoxiong Yin , Zhou Zhao

Existing research for image text retrieval mainly relies on sentence-level supervision to distinguish matched and mismatched sentences for a query image. However, semantic mismatch between an image and sentences usually happens in finer…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Zhihao Fan , Zhongyu Wei , Zejun Li , Siyuan Wang , Haijun Shan , Xuanjing Huang , Jianqing Fan

Conditional random field (CRF) is an important probabilistic machine learning model for labeling sequential data, which is widely utilized in natural language processing, bioinformatics and computer vision. However, training the CRF model…

量子物理 · 物理学 2019-01-07 Yusen Wu , Chao-Hua Yu , Binbin Cai , Sujuan Qin , Fei Gao , Qiaoyan Wen

Conditional Random Rields (CRF) have been widely applied in image segmentations. While most studies rely on hand-crafted features, we here propose to exploit a pre-trained large convolutional neural network (CNN) to generate deep features…

计算机视觉与模式识别 · 计算机科学 2015-03-31 Fayao Liu , Guosheng Lin , Chunhua Shen

We propose a novel method for predicting image labels by fusing image content descriptors with the social media context of each image. An image uploaded to a social media site such as Flickr often has meaningful, associated information,…

计算机视觉与模式识别 · 计算机科学 2018-01-30 Chengjiang Long , Roddy Collins , Eran Swears , Anthony Hoogs

The linear-chain Conditional Random Field (CRF) model is one of the most widely-used neural sequence labeling approaches. Exact probabilistic inference algorithms such as the forward-backward and Viterbi algorithms are typically applied in…

计算与语言 · 计算机科学 2020-10-13 Xinyu Wang , Yong Jiang , Nguyen Bach , Tao Wang , Zhongqiang Huang , Fei Huang , Kewei Tu

Future advancements in robot autonomy and sophistication of robotics tasks rest on robust, efficient, and task-dependent semantic understanding of the environment. Semantic segmentation is the problem of simultaneous segmentation and…

计算机视觉与模式识别 · 计算机科学 2016-06-06 Md. Alimoor Reza , Jana Kosecka

Current captioning approaches can describe images using black-box architectures whose behavior is hardly controllable and explainable from the exterior. As an image can be described in infinite ways depending on the goal and the context at…

计算机视觉与模式识别 · 计算机科学 2019-05-10 Marcella Cornia , Lorenzo Baraldi , Rita Cucchiara

Image captioning is a challenging problem owing to the complexity in understanding the image content and diverse ways of describing it in natural language. Recent advances in deep neural networks have substantially improved the performance…

计算机视觉与模式识别 · 计算机科学 2017-04-14 Zhou Ren , Xiaoyu Wang , Ning Zhang , Xutao Lv , Li-Jia Li

We introduce a novel deep neural network architecture that links visual regions to corresponding textual segments including phrases and words. To accomplish this task, our architecture makes use of the rich semantic information available in…

计算机视觉与模式识别 · 计算机科学 2019-08-09 Deepan Das , Noor Mohammed Ghouse , Shashank Verma , Yin Li

Recent alignment studies commonly remove introductory boilerplate phrases from supervised fine-tuning (SFT) datasets. This work challenges that assumption. We hypothesize that safety- and reasoning-oriented prefix sentences serve as…

计算与语言 · 计算机科学 2026-01-06 Raj Vardhan Tomar , Preslav Nakov , Yuxia Wang

The success of a text simplification system heavily depends on the quality and quantity of complex-simple sentence pairs in the training corpus, which are extracted by aligning sentences between parallel articles. To evaluate and improve…

计算与语言 · 计算机科学 2021-09-01 Chao Jiang , Mounica Maddela , Wuwei Lan , Yang Zhong , Wei Xu

Phrase grounding models localize an object in the image given a referring expression. The annotated language queries available during training are limited, which also limits the variations of language combinations that a model can see…

计算机视觉与模式识别 · 计算机科学 2020-11-06 Haidong Zhu , Arka Sadhu , Zhaoheng Zheng , Ram Nevatia

Temporal sentence grounding aims to detect the event timestamps described by the natural language query from given untrimmed videos. The existing fully-supervised setting achieves great performance but requires expensive annotation costs;…

计算机视觉与模式识别 · 计算机科学 2023-02-21 Chen Ju , Haicheng Wang , Jinxiang Liu , Chaofan Ma , Ya Zhang , Peisen Zhao , Jianlong Chang , Qi Tian

In this paper, we propose a novel graph learning framework for phrase grounding in the image. Developing from the sequential to the dense graph model, existing works capture coarse-grained context but fail to distinguish the diversity of…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Zongshen Mu , Siliang Tang , Jie Tan , Qiang Yu , Yueting Zhuang

In this paper, we will show that the recently introduced graphical model: Conditional Random Fields (CRF) provides a template to integrate micro-level information about biological entities into a mathematical model to understand their…

机器学习 · 计算机科学 2020-08-07 Lior Lukov , Sanjay Chawla , Wei Liu , Brett Church , Gaurav Pandey

Localizing the exact pathological regions in a given medical scan is an important imaging problem that traditionally requires a large amount of bounding box ground truth annotations to be accurately solved. However, there exist alternative,…

计算机视觉与模式识别 · 计算机科学 2025-01-31 Konstantinos Vilouras , Pedro Sanchez , Alison Q. O'Neil , Sotirios A. Tsaftaris