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Related papers: Scan2Cap: Context-aware Dense Captioning in RGB-D …

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Dense captioning in 3D point clouds is an emerging vision-and-language task involving object-level 3D scene understanding. Apart from coarse semantic class prediction and bounding box regression as in traditional 3D object detection, 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Heng Wang , Chaoyi Zhang , Jianhui Yu , Weidong Cai

3D dense captioning requires a model to translate its understanding of an input 3D scene into several captions associated with different object regions. Existing methods adopt a sophisticated "detect-then-describe" pipeline, which builds…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Sijin Chen , Hongyuan Zhu , Mingsheng Li , Xin Chen , Peng Guo , Yinjie Lei , Gang Yu , Taihao Li , Tao Chen

3D dense captioning aims to generate multiple captions localized with their associated object regions. Existing methods follow a sophisticated ``detect-then-describe'' pipeline equipped with numerous hand-crafted components. However, these…

Computer Vision and Pattern Recognition · Computer Science 2023-01-09 Sijin Chen , Hongyuan Zhu , Xin Chen , Yinjie Lei , Tao Chen , Gang YU

We introduce the task of 3D object localization in RGB-D scans using natural language descriptions. As input, we assume a point cloud of a scanned 3D scene along with a free-form description of a specified target object. To address this…

Computer Vision and Pattern Recognition · Computer Science 2020-11-12 Dave Zhenyu Chen , Angel X. Chang , Matthias Nießner

Dense captioning is a newly emerging computer vision topic for understanding images with dense language descriptions. The goal is to densely detect visual concepts (e.g., objects, object parts, and interactions between them) from images,…

Computer Vision and Pattern Recognition · Computer Science 2017-08-09 Linjie Yang , Kevin Tang , Jianchao Yang , Li-Jia Li

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

3D dense captioning is a task involving the localization of objects and the generation of descriptions for each object in a 3D scene. Recent approaches have attempted to incorporate contextual information by modeling relationships with…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Minjung Kim , Hyung Suk Lim , Soonyoung Lee , Bumsoo Kim , Gunhee Kim

3D dense captioning stands as a cornerstone in achieving a comprehensive understanding of 3D scenes through natural language. It has recently witnessed remarkable achievements, particularly in indoor settings. However, the exploration of 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Bu Jin , Yupeng Zheng , Pengfei Li , Weize Li , Yuhang Zheng , Sujie Hu , Xinyu Liu , Jinwei Zhu , Zhijie Yan , Haiyang Sun , Kun Zhan , Peng Jia , Xiaoxiao Long , Yilun Chen , Hao Zhao

Image captioning has become an important task in computer vision, enabling models to generate natural language descriptions of visual content. While several datasets exist for natural images and high-resolution optical remote sensing…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Lucrezia Tosato , Gianluca Lombardi , Ronny Hansch

Three-Dimensional (3D) dense captioning is an emerging vision-language bridging task that aims to generate multiple detailed and accurate descriptions for 3D scenes. It presents significant potential and challenges due to its closer…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Ting Yu , Xiaojun Lin , Shuhui Wang , Weiguo Sheng , Qingming Huang , Jun Yu

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

3D understanding is a key capability for real-world AI assistance. High-quality data plays an important role in driving the development of the 3D understanding community. Current 3D scene understanding datasets often provide geometric and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Zirui Wang , Tao Zhang

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

3D dense captioning, as an emerging vision-language task, aims to identify and locate each object from a set of point clouds and generate a distinctive natural language sentence for describing each located object. However, the existing…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Yufeng Zhong , Long Xu , Jiebo Luo , Lin Ma

RGB-D cameras, which give an RGB image to- gether with depths, are becoming increasingly popular for robotic perception. In this paper, we address the task of detecting commonly found objects in the 3D point cloud of indoor scenes obtained…

Robotics · Computer Science 2012-09-06 Abhishek Anand , Hema Swetha Koppula , Thorsten Joachims , Ashutosh Saxena

Novel view synthesis from images, for example, with 3D Gaussian splatting, has made great progress. Rendering fidelity and speed are now ready even for demanding virtual reality applications. However, the problem of assisting humans in…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Ayaka Yasunaga , Hideo Saito , Dieter Schmalstieg , Shohei Mori

OCR-based image captioning is an important but under-explored task, aiming to generate descriptions containing visual objects and scene text. Recent studies have made encouraging progress, but they are still suffering from a lack of overall…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Dongsheng Xu , Qingbao Huang , Xingmao Zhang , Haonan Cheng , Feng Shuang , Yi Cai

We introduce the dense captioning task, which requires a computer vision system to both localize and describe salient regions in images in natural language. The dense captioning task generalizes object detection when the descriptions…

Computer Vision and Pattern Recognition · Computer Science 2015-11-25 Justin Johnson , Andrej Karpathy , Li Fei-Fei

Object detection is a fundamental task in computer vision, requiring large annotated datasets that are difficult to collect, as annotators need to label objects and their bounding boxes. Thus, it is a significant challenge to use cheaper…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Achiya Jerbi , Roei Herzig , Jonathan Berant , Gal Chechik , Amir Globerson

In this paper, a method for dense semantic 3D scene reconstruction from an RGB-D sequence is proposed to solve high-level scene understanding tasks. First, each RGB-D pair is consistently segmented into 2D semantic maps based on a camera…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Yingcai Wan , Yanyan Li , Yingxuan You , Cheng Guo , Lijin Fang , Federico Tombari
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