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Dense event captioning aims to detect and describe all events of interest contained in a video. Despite the advanced development in this area, existing methods tackle this task by making use of dense temporal annotations, which is…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Xuguang Duan , Wenbing Huang , Chuang Gan , Jingdong Wang , Wenwu Zhu , Junzhou Huang

While recent deep neural network models have achieved promising results on the image captioning task, they rely largely on the availability of corpora with paired image and sentence captions to describe objects in context. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2016-04-29 Lisa Anne Hendricks , Subhashini Venugopalan , Marcus Rohrbach , Raymond Mooney , Kate Saenko , Trevor Darrell

Image captioning models typically follow an encoder-decoder architecture which uses abstract image feature vectors as input to the encoder. One of the most successful algorithms uses feature vectors extracted from the region proposals…

Computer Vision and Pattern Recognition · Computer Science 2020-01-14 Simao Herdade , Armin Kappeler , Kofi Boakye , Joao Soares

Text-based image captioning (TextCap) which aims to read and reason images with texts is crucial for a machine to understand a detailed and complex scene environment, considering that texts are omnipresent in daily life. This task, however,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-10 Guanghui Xu , Shuaicheng Niu , Mingkui Tan , Yucheng Luo , Qing Du , Qi Wu

In several real-world scenarios like autonomous navigation and mobility, to obtain a better visual understanding of the surroundings, image captioning and object detection play a crucial role. This work introduces a novel multitask learning…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Debolena Basak , P. K. Srijith , Maunendra Sankar Desarkar

Dense video captioning aims to generate multiple associated captions with their temporal locations from the video. Previous methods follow a sophisticated "localize-then-describe" scheme, which heavily relies on numerous hand-crafted…

Computer Vision and Pattern Recognition · Computer Science 2021-11-18 Teng Wang , Ruimao Zhang , Zhichao Lu , Feng Zheng , Ran Cheng , Ping Luo

Multimodal Large Language Models (MLLMs) have made significant progress in tasks such as image captioning and question answering. However, while these models can generate realistic captions, they often struggle with providing precise…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Chun-Peng Chang , Alain Pagani , Didier Stricker

Generating text descriptions of objects in 3D indoor scenes is an important building block of embodied understanding. Existing methods do this by describing objects at a single level of detail, which often does not capture fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Chandan Yeshwanth , David Rozenberszki , Angela Dai

While deep neural networks have led to human-level performance on computer vision tasks, they have yet to demonstrate similar gains for holistic scene understanding. In particular, 3D context has been shown to be an extremely important cue…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Yinda Zhang , Mingru Bai , Pushmeet Kohli , Shahram Izadi , Jianxiong Xiao

A bathtub in a library, a sink in an office, a bed in a laundry room -- the counter-intuition suggests that scene provides important prior knowledge for 3D object detection, which instructs to eliminate the ambiguous detection of similar…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Yu Zheng , Yueqi Duan , Jiwen Lu , Jie Zhou , Qi Tian

We present Multi-View Attentive Contextualization (MvACon), a simple yet effective method for improving 2D-to-3D feature lifting in query-based multi-view 3D (MV3D) object detection. Despite remarkable progress witnessed in the field of…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Xianpeng Liu , Ce Zheng , Ming Qian , Nan Xue , Chen Chen , Zhebin Zhang , Chen Li , Tianfu Wu

The spatial attention is a straightforward approach to enhance the performance for remote sensing image captioning. However, conventional spatial attention approaches consider only the attention distribution on one fixed coarse grid,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Chengze Wang , Zhiyu Jiang , Yuan Yuan

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

Human-object interaction detection is an important and relatively new class of visual relationship detection tasks, essential for deeper scene understanding. Most existing approaches decompose the problem into object localization and…

Computer Vision and Pattern Recognition · Computer Science 2019-10-18 Tiancai Wang , Rao Muhammad Anwer , Muhammad Haris Khan , Fahad Shahbaz Khan , Yanwei Pang , Ling Shao , Jorma Laaksonen

Most current image captioning models typically generate captions from left-to-right. This unidirectional property makes them can only leverage past context but not future context. Though refinement-based models can exploit both past and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Zijie Song , Yuanen Zhou , Zhenzhen Hu , Daqing Liu , Huixia Ben , Richang Hong , Meng Wang

Automatically generating a human-like description for a given image is a potential research in artificial intelligence, which has attracted a great of attention recently. Most of the existing attention methods explore the mapping…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Feicheng Huang , Zhixin Li , Haiyang Wei , Canlong Zhang , Huifang Ma

3D dense captioning aims to describe individual objects by natural language in 3D scenes, where 3D scenes are usually represented as RGB-D scans or point clouds. However, only exploiting single modal information, e.g., point cloud, previous…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Zhihao Yuan , Xu Yan , Yinghong Liao , Yao Guo , Guanbin Li , Zhen Li , Shuguang Cui

Spatial intelligence refers to the ability to perceive, reason about, and describe objects and their relationships within three-dimensional environments, forming a foundation for embodied perception and scene understanding. 3D captioning…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Hao Tang , Ting Huang , Zeyu Zhang

We propose a novel recurrent attentional structure to localize and recognize objects jointly. The network can learn to extract a sequence of local observations with detailed appearance and rough context, instead of sliding windows or…

Computer Vision and Pattern Recognition · Computer Science 2017-12-20 Jie Lyu , Zejian Yuan , Dapeng Chen

Video captioning aims to automatically generate natural language descriptions of video content, which has drawn a lot of attention recent years. Generating accurate and fine-grained captions needs to not only understand the global content…

Computer Vision and Pattern Recognition · Computer Science 2019-06-12 Junchao Zhang , Yuxin Peng