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Text-to-video (T2V) synthesis has advanced rapidly, yet current evaluation metrics primarily capture visual quality and temporal consistency, offering limited insight into how synthetic videos perform in downstream tasks such as…

计算机视觉与模式识别 · 计算机科学 2025-07-04 Zecheng Zhao , Selena Song , Tong Chen , Zhi Chen , Shazia Sadiq , Yadan Luo

Text-to-image retrieval (T2I retrieval) remains challenging because cross-modal embeddings often behave as bags of concepts, underrepresenting structured visual relationships such as pose and viewpoint. We proposeVisualize-then-Retrieve…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Di Wu , Yixin Wan , Kai-Wei Chang

Text-to-video retrieval essentially aims to train models to align visual content with textual descriptions accurately. Due to the impressive general multimodal knowledge demonstrated by image-text pretrained models such as CLIP, existing…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Yili Li , Gang Xiong , Gaopeng Gou , Xiangyan Qu , Jiamin Zhuang , Zhen Li , Junzheng Shi

While Text-To-Video (T2V) models have advanced rapidly, they continue to struggle with generating legible and coherent text within videos. In particular, existing models often fail to render correctly even short phrases or words and…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Ziyang Liu , Kevin Valencia , Justin Cui

With the explosive growth of web videos and emerging large-scale vision-language pre-training models, e.g., CLIP, retrieving videos of interest with text instructions has attracted increasing attention. A common practice is to transfer…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Bo Fang , Wenhao Wu , Chang Liu , Yu Zhou , Yuxin Song , Weiping Wang , Xiangbo Shu , Xiangyang Ji , Jingdong Wang

Text-video retrieval is a challenging task that aims to identify relevant videos given textual queries. Compared to conventional textual retrieval, the main obstacle for text-video retrieval is the semantic gap between the textual nature of…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Qian Li , Lixin Su , Jiashu Zhao , Long Xia , Hengyi Cai , Suqi Cheng , Hengzhu Tang , Junfeng Wang , Dawei Yin

Reranking is a critical component of modern retrieval systems, which typically pair an efficient first-stage retriever with a more expressive model to refine results. While large reasoning models have driven rapid progress in text-centric…

信息检索 · 计算机科学 2026-02-04 Tyler Skow , Alexander Martin , Benjamin Van Durme , Rama Chellappa , Reno Kriz

Recent advances in text-to-video (T2V) technology, as demonstrated by models such as Runway Gen-3, Pika, Sora, and Kling, have significantly broadened the applicability and popularity of the technology. This progress has created a growing…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Zelu Qi , Ping Shi , Shuqi Wang , Chaoyang Zhang , Fei Zhao , Zefeng Ying , Da Pan , Xi Yang , Zheqi He , Teng Dai

Text-to-Video (T2V) generation has attracted significant attention for its ability to synthesize realistic videos from textual descriptions. However, existing models struggle to balance computational efficiency and high visual quality,…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Takashi Isobe , He Cui , Dong Zhou , Mengmeng Ge , Dong Li , Emad Barsoum

In recent years, text-to-video retrieval methods based on CLIP have experienced rapid development. The primary direction of evolution is to exploit the much wider gamut of visual and textual cues to achieve alignment. Concretely, those…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Kaibin Tian , Yanhua Cheng , Yi Liu , Xinglin Hou , Quan Chen , Han Li

While large-scale datasets have driven significant progress in Text-to-Video (T2V) generative models, these models remain highly sensitive to input prompts, demonstrating that prompt design is critical to generation quality. Current methods…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Zillur Rahman , Alex Sheng , Cristian Meo

The large number of user-generated videos uploaded on to the Internet everyday has led to many commercial video search engines, which mainly rely on text metadata for search. However, metadata is often lacking for user-generated videos,…

Diffusion-based text-to-video generation has witnessed impressive progress in the past year yet still falls behind text-to-image generation. One of the key reasons is the limited scale of publicly available data (e.g., 10M video-text pairs…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Xiang Wang , Shiwei Zhang , Hangjie Yuan , Zhiwu Qing , Biao Gong , Yingya Zhang , Yujun Shen , Changxin Gao , Nong Sang

With the rapid advancement of multimodal retrieval and its application in LLMs and multimodal LLMs, increasingly complex retrieval tasks have emerged. Existing methods predominantly rely on task-specific fine-tuning of vision-language…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Davide Caffagni , Sara Sarto , Marcella Cornia , Lorenzo Baraldi , Rita Cucchiara

The increasing prevalence of video clips has sparked growing interest in text-video retrieval. Recent advances focus on establishing a joint embedding space for text and video, relying on consistent embedding representations to compute…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Jiamian Wang , Guohao Sun , Pichao Wang , Dongfang Liu , Sohail Dianat , Majid Rabbani , Raghuveer Rao , Zhiqiang Tao

The amount of audio-visual information has increased dramatically with the advent of High Speed Internet. Furthermore, technological advances in recent years in the field of information technology, have simplified the use of video data in…

多媒体 · 计算机科学 2013-12-30 M. Ben Halima , M. Hamroun , S. Ben Moussa , A. M. Alimi

The rapid growth of video on the internet has made searching for video content using natural language queries a significant challenge. Human-generated queries for video datasets `in the wild' vary a lot in terms of degree of specificity,…

计算机视觉与模式识别 · 计算机科学 2020-02-17 Yang Liu , Samuel Albanie , Arsha Nagrani , Andrew Zisserman

Cross-modal retrieval between videos and texts has gained increasing research interest due to the rapid emergence of videos on the web. Generally, a video contains rich instance and event information and the query text only describes a part…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Chengzhi Lin , Ancong Wu , Junwei Liang , Jun Zhang , Wenhang Ge , Wei-Shi Zheng , Chunhua Shen

We address the problem of text-based activity retrieval in video. Given a sentence describing an activity, our task is to retrieve matching clips from an untrimmed video. To capture the inherent structures present in both text and video, we…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Huijuan Xu , Kun He , Bryan A. Plummer , Leonid Sigal , Stan Sclaroff , Kate Saenko

Text-to-image (T2I) diffusion models have revolutionized visual content creation, but extending these capabilities to text-to-video (T2V) generation remains a challenge, particularly in preserving temporal consistency. Existing methods that…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Dohun Lee , Bryan S Kim , Geon Yeong Park , Jong Chul Ye