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Semantic segmentation is an important and well-known task in the field of computer vision, in which we attempt to assign a corresponding semantic class to each input element. When it comes to semantic segmentation of 2D images, the input…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Ivan Martinović

Manual annotation of large-scale point cloud dataset for varying tasks such as 3D object classification, segmentation and detection is often laborious owing to the irregular structure of point clouds. Self-supervised learning, which…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Mohamed Afham , Isuru Dissanayake , Dinithi Dissanayake , Amaya Dharmasiri , Kanchana Thilakarathna , Ranga Rodrigo

Learning discriminative feature directly on point clouds is still challenging in the understanding of 3D shapes. Recent methods usually partition point clouds into local region sets, and then extract the local region features with…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Xinhai Liu , Zhizhong Han , Fangzhou Hong , Yu-Shen Liu , Matthias Zwicker

Videos convey rich information. Dynamic spatio-temporal relationships between people/objects, and diverse multimodal events are present in a video clip. Hence, it is important to develop automated models that can accurately extract such…

Computation and Language · Computer Science 2020-05-14 Hyounghun Kim , Zineng Tang , Mohit Bansal

Indoor scene modification has emerged as a prominent area within computer vision, particularly for its applications in Augmented Reality (AR) and Virtual Reality (VR). Traditional methods often rely on pre-existing object databases and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Yiyang Luo , Ke Lin , Chao Gu

A 3D point cloud describes the real scene precisely and intuitively.To date how to segment diversified elements in such an informative 3D scene is rarely discussed. In this paper, we first introduce a simple and flexible framework to…

Computer Vision and Pattern Recognition · Computer Science 2019-03-01 Xinlong Wang , Shu Liu , Xiaoyong Shen , Chunhua Shen , Jiaya Jia

Retinal image analysis is crucial for diagnosing and treating eye diseases, yet generating accurate medical reports from images remains challenging due to variability in image quality and pathology, especially with limited labeled data.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Teja Krishna Cherukuri , Nagur Shareef Shaik , Jyostna Devi Bodapati , Dong Hye Ye

Locating and retrieving objects from scene-level point clouds is a challenging problem with broad applications in robotics and augmented reality. This task is commonly formulated as open-vocabulary 3D instance segmentation. Although recent…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Khanh Nguyen , Dasith de Silva Edirimuni , Ghulam Mubashar Hassan , Ajmal Mian

Accurate detection of objects in 3D point clouds is a key problem in autonomous driving systems. Collaborative perception can incorporate information from spatially diverse sensors and provide significant benefits for improving the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Junyong Wang , Yuan Zeng , Yi Gong

Understanding 3D scenes goes beyond simply recognizing objects; it requires reasoning about the spatial and semantic relationships between them. Current 3D scene-language models often struggle with this relational understanding,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Jintang Xue , Ganning Zhao , Jie-En Yao , Hong-En Chen , Yue Hu , Meida Chen , Suya You , C. -C. Jay Kuo

As three-dimensional acquisition technologies like LiDAR cameras advance, the need for efficient transmission of 3D point clouds is becoming increasingly important. In this paper, we present a novel semantic communication (SemCom) approach…

Emerging Technologies · Computer Science 2025-05-13 Shangzhuo Xie , Qianqian Yang , Yuyi Sun , Tianxiao Han , Zhaohui Yang , Zhiguo Shi

Automatic transcription of scene understanding in images and videos is a step towards artificial general intelligence. Image captioning is a nomenclature for describing meaningful information in an image using computer vision techniques.…

Computer Vision and Pattern Recognition · Computer Science 2021-09-17 Shikha Dubey , Farrukh Olimov , Muhammad Aasim Rafique , Joonmo Kim , Moongu Jeon

Large Multimodal Models (LMMs) extend Large Language Models to the vision domain. Initial LMMs used holistic images and text prompts to generate ungrounded textual responses. Recently, region-level LMMs have been used to generate visually…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Hanoona Rasheed , Muhammad Maaz , Sahal Shaji Mullappilly , Abdelrahman Shaker , Salman Khan , Hisham Cholakkal , Rao M. Anwer , Erix Xing , Ming-Hsuan Yang , Fahad S. Khan

Our goal in this work is to train an image captioning model that generates more dense and informative captions. We introduce "relational captioning," a novel image captioning task which aims to generate multiple captions with respect to…

Computer Vision and Pattern Recognition · Computer Science 2019-09-24 Dong-Jin Kim , Jinsoo Choi , Tae-Hyun Oh , In So Kweon

Recent advancements in vision-language pre-training (e.g. CLIP) have shown that vision models can benefit from language supervision. While many models using language modality have achieved great success on 2D vision tasks, the joint…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Rui Huang , Xuran Pan , Henry Zheng , Haojun Jiang , Zhifeng Xie , Shiji Song , Gao Huang

Efficient storage of large-scale point cloud data has become increasingly challenging due to advancements in scanning technology. Recent deep learning techniques have revolutionized this field; However, most existing approaches rely on…

Computer Vision and Pattern Recognition · Computer Science 2024-09-20 Guoqing Zhang , Wenbo Zhao , Jian Liu , Yuanchao Bai , Junjun Jiang , Xianming Liu

3D Shape represented as point cloud has achieve advancements in multimodal pre-training to align image and language descriptions, which is curial to object identification, classification, and retrieval. However, the discrete representations…

Computer Vision and Pattern Recognition · Computer Science 2024-02-14 Haoyuan Li , Yanpeng Zhou , Yihan Zeng , Hang Xu , Xiaodan Liang

Context modeling is essential to generate coherent and consistent translation for Document-level Neural Machine Translations. The widely used method for document-level translation usually compresses the context information into a…

Computation and Language · Computer Science 2019-11-22 Zhengxin Yang , Jinchao Zhang , Fandong Meng , Shuhao Gu , Yang Feng , Jie Zhou

We present a simple and effective framework, named Point2Seq, for 3D object detection from point clouds. In contrast to previous methods that normally {predict attributes of 3D objects all at once}, we expressively model the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Yujing Xue , Jiageng Mao , Minzhe Niu , Hang Xu , Michael Bi Mi , Wei Zhang , Xiaogang Wang , Xinchao Wang

This paper focuses on a novel and challenging vision task, dense video captioning, which aims to automatically describe a video clip with multiple informative and diverse caption sentences. The proposed method is trained without explicit…

Computer Vision and Pattern Recognition · Computer Science 2017-04-06 Zhiqiang Shen , Jianguo Li , Zhou Su , Minjun Li , Yurong Chen , Yu-Gang Jiang , Xiangyang Xue