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We introduce a zero-shot video captioning method that employs two frozen networks: the GPT-2 language model and the CLIP image-text matching model. The matching score is used to steer the language model toward generating a sentence that has…

计算机视觉与模式识别 · 计算机科学 2022-07-29 Yoad Tewel , Yoav Shalev , Roy Nadler , Idan Schwartz , Lior Wolf

Video Temporal Grounding (VTG), which aims to ground target clips from videos (such as consecutive intervals or disjoint shots) according to custom language queries (e.g., sentences or words), is key for video browsing on social media. Most…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Kevin Qinghong Lin , Pengchuan Zhang , Joya Chen , Shraman Pramanick , Difei Gao , Alex Jinpeng Wang , Rui Yan , Mike Zheng Shou

Video temporal grounding (VTG) takes an untrimmed video and a natural-language query as input and localizes the temporal moment that best matches the query. Existing methods rely on large, task-specific datasets requiring costly manual…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Minjoon Jung , Byoung-Tak Zhang , Lorenzo Torresani

Generating consecutive descriptions for videos, i.e., Video Captioning, requires taking full advantage of visual representation along with the generation process. Existing video captioning methods focus on making an exploration of…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Pengpeng Zeng , Haonan Zhang , Lianli Gao , Xiangpeng Li , Jin Qian , Heng Tao Shen

Temporal video grounding (TVG) aims to localize a target segment in a video according to a given sentence query. Though respectable works have made decent achievements in this task, they severely rely on abundant video-query paired data,…

计算机视觉与模式识别 · 计算机科学 2022-01-17 Daizong Liu , Xiaoye Qu , Yinzhen Wang , Xing Di , Kai Zou , Yu Cheng , Zichuan Xu , Pan Zhou

The vision and language generative models have been overgrown in recent years. For video generation, various open-sourced models and public-available services have been developed to generate high-quality videos. However, these methods often…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Yaofang Liu , Xiaodong Cun , Xuebo Liu , Xintao Wang , Yong Zhang , Haoxin Chen , Yang Liu , Tieyong Zeng , Raymond Chan , Ying Shan

The convergence of 3D geometric perception and video synthesis has created an unprecedented demand for large-scale video data that is rich in both semantic and spatio-temporal information. While existing datasets have advanced either 3D…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Yunnan Wang , Kecheng Zheng , Jianyuan Wang , Minghao Chen , David Novotny , Christian Rupprecht , Yinghao Xu , Xing Zhu , Wenjun Zeng , Xin Jin , Yujun Shen

Video temporal grounding aims to identify video segments within untrimmed videos that are most relevant to a given natural language query. Existing video temporal localization models rely on specific datasets for training and have high data…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Minghang Zheng , Xinhao Cai , Qingchao Chen , Yuxin Peng , Yang Liu

Temporal sentence grounding in videos aims to detect and localize one target video segment, which semantically corresponds to a given sentence. Existing methods mainly tackle this task via matching and aligning semantics between a sentence…

计算机视觉与模式识别 · 计算机科学 2019-11-01 Yitian Yuan , Lin Ma , Jingwen Wang , Wei Liu , Wenwu Zhu

Temporal sentence grounding involves the retrieval of a video moment with a natural language query. Many existing works directly incorporate the given video and temporally localized query for temporal grounding, overlooking the inherent…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Cai Chen , Runzhong Zhang , Jianjun Gao , Kejun Wu , Kim-Hui Yap , Yi Wang

We present the ShareGPT4Video series, aiming to facilitate the video understanding of large video-language models (LVLMs) and the video generation of text-to-video models (T2VMs) via dense and precise captions. The series comprises: 1)…

计算机视觉与模式识别 · 计算机科学 2024-06-07 Lin Chen , Xilin Wei , Jinsong Li , Xiaoyi Dong , Pan Zhang , Yuhang Zang , Zehui Chen , Haodong Duan , Bin Lin , Zhenyu Tang , Li Yuan , Yu Qiao , Dahua Lin , Feng Zhao , Jiaqi Wang

Recently, researchers have attempted to investigate the capability of LLMs in handling videos and proposed several video LLM models. However, the ability of LLMs to handle video grounding (VG), which is an important time-related video task…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Wei Feng , Xin Wang , Hong Chen , Zeyang Zhang , Houlun Chen , Zihan Song , Yuwei Zhou , Yuekui Yang , Haiyang Wu , Wenwu Zhu

Training large-scale image captioning (IC) models demands access to a rich and diverse set of training examples, gathered from the wild, often from noisy alt-text data. However, recent modeling approaches to IC often fall short in terms of…

计算与语言 · 计算机科学 2022-11-01 Khyathi Raghavi Chandu , Piyush Sharma , Soravit Changpinyo , Ashish Thapliyal , Radu Soricut

Video captioning, i.e. the task of generating captions from video sequences creates a bridge between the Natural Language Processing and Computer Vision domains of computer science. The task of generating a semantically accurate description…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Md. Mushfiqur Rahman , Thasin Abedin , Khondokar S. S. Prottoy , Ayana Moshruba , Fazlul Hasan Siddiqui

We present CAT-V (Caption AnyThing in Video), a training-free framework for fine-grained object-centric video captioning that enables detailed descriptions of user-selected objects through time. CAT-V integrates three key components: a…

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…

计算机视觉与模式识别 · 计算机科学 2018-04-04 Luowei Zhou , Yingbo Zhou , Jason J. Corso , Richard Socher , Caiming Xiong

Human motion generation has advanced rapidly in recent years, yet the critical problem of creating spatially grounded, context-aware gestures has been largely overlooked. Existing models typically specialize either in descriptive motion…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Anna Deichler , Jim O'Regan , Teo Guichoux , David Johansson , Jonas Beskow

Image captioning is a fundamental task in vision-language understanding, where the model predicts a textual informative caption to a given input image. In this paper, we present a simple approach to address this task. We use CLIP encoding…

计算机视觉与模式识别 · 计算机科学 2021-11-19 Ron Mokady , Amir Hertz , Amit H. Bermano

Generating accurate descriptions of human actions in videos remains a challenging task for video captioning models. Existing approaches often struggle to capture fine-grained motion details, resulting in vague or semantically inconsistent…

计算机视觉与模式识别 · 计算机科学 2025-10-30 Guorui Song , Guocun Wang , Zhe Huang , Jing Lin , Xuefei Zhe , Jian Li , Haoqian Wang

Real-world user-generated videos, especially on platforms like TikTok, often feature rich and intertwined audio visual content. However, existing video captioning benchmarks and models remain predominantly visual centric, overlooking the…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Peiran Wu , Yunze Liu , Zhengdong Zhu , Enmin Zhou , Junxiao Shen