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Related papers: End-to-End 3D Dense Captioning with Vote2Cap-DETR

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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

We introduce the task of dense captioning in 3D scans from commodity RGB-D sensors. As input, we assume a point cloud of a 3D scene; the expected output is the bounding boxes along with the descriptions for the underlying objects. To…

Computer Vision and Pattern Recognition · Computer Science 2020-12-07 Dave Zhenyu Chen , Ali Gholami , Matthias Nießner , Angel X. Chang

Dense video captioning is a challenging task that aims to localize and caption multiple events in an untrimmed video. Recent studies mainly follow the transformer-based architecture to jointly perform the two sub-tasks, i.e., event…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Yizhe Li , Sanping Zhou , Zheng Qin , Le Wang

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

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

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

The recently proposed end-to-end transformer detectors, such as DETR and Deformable DETR, have a cascade structure of stacking 6 decoder layers to update object queries iteratively, without which their performance degrades seriously. In…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Zhuyu Yao , Jiangbo Ai , Boxun Li , Chi Zhang

3D Visual Grounding (3DVG) and 3D Dense Captioning (3DDC) are two crucial tasks in various 3D applications, which require both shared and complementary information in localization and visual-language relationships. Therefore, existing…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Yongdong Luo , Haojia Lin , Xiawu Zheng , Yigeng Jiang , Fei Chao , Jie Hu , Guannan Jiang , Songan Zhang , Rongrong Ji

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

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

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

Dense video captioning aims to localize and describe important events in untrimmed videos. Existing methods mainly tackle this task by exploiting only visual features, while completely neglecting the audio track. Only a few prior works have…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Vladimir Iashin , Esa Rahtu

Dense video captioning aims to generate text descriptions for all events in an untrimmed video. This involves both detecting and describing events. Therefore, all previous methods on dense video captioning tackle this problem by building…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Luowei Zhou , Yingbo Zhou , Jason J. Corso , Richard Socher , Caiming Xiong

Recent video text spotting methods usually require the three-staged pipeline, i.e., detecting text in individual images, recognizing localized text, tracking text streams with post-processing to generate final results. These methods…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Weijia Wu , Yuanqiang Cai , Chunhua Shen , Debing Zhang , Ying Fu , Hong Zhou , Ping Luo

Detecting tiny objects plays a vital role in remote sensing intelligent interpretation, as these objects often carry critical information for downstream applications. However, due to the extremely limited pixel information and significant…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Zixiao Wen , Zhen Yang , Xianjie Bao , Lei Zhang , Xiantai Xiang , Wenshuai Li , Yuhan Liu

Recently, DETR and Deformable DETR have been proposed to eliminate the need for many hand-designed components in object detection while demonstrating good performance as previous complex hand-crafted detectors. However, their performance on…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Lu He , Qianyu Zhou , Xiangtai Li , Li Niu , Guangliang Cheng , Xiao Li , Wenxuan Liu , Yunhai Tong , Lizhuang Ma , Liqing Zhang

In this paper, we are interested in Detection Transformer (DETR), an end-to-end object detection approach based on a transformer encoder-decoder architecture without hand-crafted postprocessing, such as NMS. Inspired by Conditional DETR, an…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Xiaokang Chen , Fangyun Wei , Gang Zeng , Jingdong Wang

3D dense captioning is a task to localize objects in a 3D scene and generate descriptive sentences for each object. Recent approaches in 3D dense captioning have adopted transformer encoder-decoder frameworks from object detection to build…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Minjung Kim , Hyung Suk Lim , Seung Hwan Kim , Soonyoung Lee , Bumsoo Kim , Gunhee Kim

We propose 3DETR, an end-to-end Transformer based object detection model for 3D point clouds. Compared to existing detection methods that employ a number of 3D-specific inductive biases, 3DETR requires minimal modifications to the vanilla…

Computer Vision and Pattern Recognition · Computer Science 2021-09-17 Ishan Misra , Rohit Girdhar , Armand Joulin

Dense video captioning aims to identify the events of interest in an input video, and generate descriptive captions for each event. Previous approaches usually follow a two-stage generative process, which first proposes a segment for each…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Wanrong Zhu , Bo Pang , Ashish V. Thapliyal , William Yang Wang , Radu Soricut
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