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Encoding a driving scene into vector representations has been an essential task for autonomous driving that can benefit downstream tasks e.g. trajectory prediction. The driving scene often involves heterogeneous elements such as the…

Artificial Intelligence · Computer Science 2023-07-21 Xiaosong Jia , Penghao Wu , Li Chen , Yu Liu , Hongyang Li , Junchi Yan

Incorporating prior knowledge can improve existing pre-training models in cloze-style machine reading and has become a new trend in recent studies. Notably, most of the existing models have integrated external knowledge graphs (KG) and…

Computation and Language · Computer Science 2023-09-25 Shima Foolad , Kourosh Kiani

Currently, existing efforts in Weakly Supervised Semantic Segmentation (WSSS) based on Convolutional Neural Networks (CNNs) have predominantly focused on enhancing the multi-label classification network stage, with limited attention given…

Computer Vision and Pattern Recognition · Computer Science 2023-10-25 Jia Zhang , Bo Peng , Xi Wu

Synthesis of diverse driving scenes serves as a crucial data augmentation technique for validating the robustness and generalizability of autonomous driving systems. Current methods aggregate high-definition (HD) maps and 3D bounding boxes…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Zhechao Wang , Yiming Zeng , Lufan Ma , Zeqing Fu , Chen Bai , Ziyao Lin , Cheng Lu

One common belief is that with complex models and pre-training on large-scale datasets, transformer-based methods for referring expression comprehension (REC) perform much better than existing graph-based methods. We observe that since most…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Jingcheng Ke , Dele Wang , Jun-Cheng Chen , I-Hong Jhuo , Chia-Wen Lin , Yen-Yu Lin

3D scene graph generation (SGG) has been of high interest in computer vision. Although the accuracy of 3D SGG on coarse classification and single relation label has been gradually improved, the performance of existing works is still far…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Yuanyuan Liu , Chengjiang Long , Zhaoxuan Zhang , Bokai Liu , Qiang Zhang , Baocai Yin , Xin Yang

Knowledge Tracing (KT) monitors students' knowledge states and simulates their responses to question sequences. Existing KT models typically follow a single-step training paradigm, which leads to discrepancies with the multi-step inference…

Machine Learning · Computer Science 2026-01-06 Lingyue Fu , Ting Long , Jianghao Lin , Wei Xia , Xinyi Dai , Ruiming Tang , Yasheng Wang , Weinan Zhang , Yong Yu

Knowledge Tracing (KT) is a fundamental technology in intelligent tutoring systems used to simulate changes in students' knowledge state during learning, track personalized knowledge mastery, and predict performance. However, current KT…

Artificial Intelligence · Computer Science 2025-05-01 Jiahui Cen , Jianghao Lin , Weixuan Zhong , Dong Zhou , Jin Chen , Aimin Yang , Yongmei Zhou

Reasoning future unknowable facts on temporal knowledge graphs (TKGs) is a challenging task, holding significant academic and practical values for various fields. Existing studies exploring explainable reasoning concentrate on modeling…

Artificial Intelligence · Computer Science 2024-12-24 Wei Chen , Yuting Wu , Shuhan Wu , Zhiyu Zhang , Mengqi Liao , Youfang Lin , Huaiyu Wan

Cross-media retrieval is a research hotspot in multimedia area, which aims to perform retrieval across different media types such as image and text. The performance of existing methods usually relies on labeled data for model training.…

Multimedia · Computer Science 2018-03-13 Xin Huang , Yuxin Peng

The main challenge in video question answering (VideoQA) is to capture and understand the complex spatial and temporal relations between objects based on given questions. Existing graph-based methods for VideoQA usually ignore keywords in…

Computer Vision and Pattern Recognition · Computer Science 2023-07-26 Yi Cheng , Hehe Fan , Dongyun Lin , Ying Sun , Mohan Kankanhalli , Joo-Hwee Lim

Weakly-supervised semantic segmentation aims to assign category labels to each pixel using weak annotations, significantly reducing manual annotation costs. Although existing methods have achieved remarkable progress in well-lit scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Chunyan Wang , Dong Zhang , Jinhui Tang

Previous studies such as VizWiz find that Visual Question Answering (VQA) systems that can read and reason about text in images are useful in application areas such as assisting visually-impaired people. TextVQA is a VQA dataset geared…

Computer Vision and Pattern Recognition · Computer Science 2021-11-12 Michael Yang , Aditya Anantharaman , Zachary Kitowski , Derik Clive Robert

Dynamic Scene Graph Generation (DSGG) for videos is a challenging task in computer vision. While existing approaches often focus on sophisticated architectural design and solely use recall during evaluation, we take a closer look at their…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Xuanming Cui , Jaiminkumar Ashokbhai Bhoi , Chionh Wei Peng , Adriel Kuek , Ser Nam Lim

Catastrophic forgetting is one of the major challenges in continual learning. To address this issue, some existing methods put restrictive constraints on the optimization space of the new task for minimizing the interference to old tasks.…

Machine Learning · Computer Science 2022-02-08 Sen Lin , Li Yang , Deliang Fan , Junshan Zhang

Parameter efficient transfer learning (PETL) is an emerging research spot that aims to adapt large-scale pre-trained models to downstream tasks. Recent advances have achieved great success in saving storage and computation costs. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Chunqing Ruan , Hongjian Wang

Dynamic scene reconstruction in autonomous driving remains a fundamental challenge due to significant temporal variations, moving objects, and complex scene dynamics. Existing feed-forward 3D models have demonstrated strong performance in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Zhuolin He , Jing Li , Guanghao Li , Xiaolei Chen , Jiacheng Tang , Siyang Zhang , Zhounan Jin , Feipeng Cai , Bin Li , Jian Pu , Jia Cai , Xiangyang Xue

Scene Graph Generation is a critical enabler of environmental comprehension for autonomous robotic systems. Most of existing methods, however, are often thwarted by the intricate dynamics of background complexity, which limits their ability…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Xukun Zhou , Zhenbo Song , Jun He , Hongyan Liu , Zhaoxin Fan

Dynamic scene graph generation aims at generating a scene graph of the given video. Compared to the task of scene graph generation from images, it is more challenging because of the dynamic relationships between objects and the temporal…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Yuren Cong , Wentong Liao , Hanno Ackermann , Bodo Rosenhahn , Michael Ying Yang

This paper proposes a novel transformer-based framework that aims to enhance weakly supervised semantic segmentation (WSSS) by generating accurate class-specific object localization maps as pseudo labels. Building upon the observation that…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Lian Xu , Mohammed Bennamoun , Farid Boussaid , Hamid Laga , Wanli Ouyang , Dan Xu