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Training an effective video action recognition model poses significant computational challenges, particularly under limited resource budgets. Current methods primarily aim to either reduce model size or utilize pre-trained models, limiting…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Harry Cheng , Yangyang Guo , Liqiang Nie , Zhiyong Cheng , Mohan Kankanhalli

Online video understanding is essential for applications like public surveillance and AI glasses. However, applying Multimodal Large Language Models (MLLMs) to this domain is challenging due to the large number of video frames, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Xinqi Jin , Hanxun Yu , Bohan Yu , Kebin Liu , Jian Liu , Keda Tao , Yixuan Pei , Huan Wang , Fan Dang , Jiangchuan Liu , Weiqiang Wang

One of the greatest challenges in the design of a real-time perception system for autonomous driving vehicles and drones is the conflicting requirement of safety (high prediction accuracy) and efficiency. Traditional approaches use a single…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Ziyao Tang , Yongxi Lu , Tara Javidi

The practical use of text-to-image generation has evolved from simple, monolithic models to complex workflows that combine multiple specialized components. While workflow-based approaches can lead to improved image quality, crafting…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Rinon Gal , Adi Haviv , Yuval Alaluf , Amit H. Bermano , Daniel Cohen-Or , Gal Chechik

State-of-the-art text-video retrieval (TVR) methods typically utilize CLIP and cosine similarity for efficient retrieval. Meanwhile, cross attention methods, which employ a transformer decoder to compute attention between each text query…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Zuozhuo Dai , Fangtao Shao , Qingkun Su , Zilong Dong , Siyu Zhu

We present Prompt Cache, an approach for accelerating inference for large language models (LLM) by reusing attention states across different LLM prompts. Many input prompts have overlapping text segments, such as system messages, prompt…

Computation and Language · Computer Science 2024-04-26 In Gim , Guojun Chen , Seung-seob Lee , Nikhil Sarda , Anurag Khandelwal , Lin Zhong

Contrastive Language-Image Pretraining (CLIP) achieves strong generalization in vision-language tasks by aligning images and texts in a shared embedding space. However, recent findings show that CLIP-like models still underutilize…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Weiheng Zhao , Zilong Huang , Jiashi Feng , Xinggang Wang

Long-form video understanding presents significant challenges for interactive retrieval systems, as conventional methods struggle to process extensive video content efficiently. Existing approaches often rely on single models, inefficient…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Huu-Loc Tran , Tinh-Anh Nguyen-Nhu , Huu-Phong Phan-Nguyen , Tien-Huy Nguyen , Nhat-Minh Nguyen-Dich , Anh Dao , Huy-Duc Do , Quan Nguyen , Hoang M. Le , Quang-Vinh Dinh

Reranking is fundamental to information retrieval and retrieval-augmented generation, with recent Large Language Models (LLMs) significantly advancing reranking quality. Most current works rely on large-scale LLMs (>7B parameters),…

Information Retrieval · Computer Science 2026-04-17 Xianming Li , Aamir Shakir , Rui Huang , Tsz-fung Andrew Lee , Julius Lipp , Benjamin Clavié , Jing Li

Recent advances in Multi-Modal Large Language Models (M-LLMs) show promising results in video reasoning. Popular Multi-Modal Large Language Model (M-LLM) frameworks usually apply naive uniform sampling to reduce the number of video frames…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Kai Hu , Feng Gao , Xiaohan Nie , Peng Zhou , Son Tran , Tal Neiman , Lingyun Wang , Mubarak Shah , Raffay Hamid , Bing Yin , Trishul Chilimbi

Large pre-trained vision-language models such as CLIP have demonstrated great potential in zero-shot transferability to downstream tasks. However, to attain optimal performance, the manual selection of prompts is necessary to improve…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Thi Minh Anh Pham , An Duc Nguyen , Cephas Svosve , Vasileios Argyriou , Georgios Tzimiropoulos

The high computational demands of Vision Transformers (ViTs) in processing a large number of tokens often constrain their practical application in analyzing medical images. This research proposes a Prompt-driven Adaptive Token ({\it PrATo})…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Pallabi Dutta , Anubhab Maity , Sushmita Mitra

Contrastive pretrained large Vision-Language Models (VLMs) like CLIP have revolutionized visual representation learning by providing good performance on downstream datasets. VLMs are 0-shot adapted to a downstream dataset by designing…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Mayug Maniparambil , Chris Vorster , Derek Molloy , Noel Murphy , Kevin McGuinness , Noel E. O'Connor

Pre-trained on tremendous image-text pairs, vision-language models like CLIP have demonstrated promising zero-shot generalization across numerous image-based tasks. However, extending these capabilities to video tasks remains challenging…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Zichen Liu , Kunlun Xu , Bing Su , Xu Zou , Yuxin Peng , Jiahuan Zhou

In this paper, Gated-ViGAT, an efficient approach for video event recognition, utilizing bottom-up (object) information, a new frame sampling policy and a gating mechanism is proposed. Specifically, the frame sampling policy uses weighted…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Nikolaos Gkalelis , Dimitrios Daskalakis , Vasileios Mezaris

Video Retrieval is a challenging task where a text query is matched to a video or vice versa. Most of the existing approaches for addressing such a problem rely on annotations made by the users. Although simple, this approach is not always…

Computer Vision and Pattern Recognition · Computer Science 2021-03-01 Jesús Andrés Portillo-Quintero , José Carlos Ortiz-Bayliss , Hugo Terashima-Marín

Recently, Vision-Language Pre-training (VLP) techniques have greatly benefited various vision-language tasks by jointly learning visual and textual representations, which intuitively helps in Optical Character Recognition (OCR) tasks due to…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Chuhui Xue , Wenqing Zhang , Yu Hao , Shijian Lu , Philip Torr , Song Bai

Multimodal Large Language Models (MLLMs) have demonstrated significant capabilities in image understanding, but long-video are constrained by context windows and computational cost. Uniform frame sampling often leads to substantial…

Machine Learning · Computer Science 2025-10-17 Yifeng Yao , Yike Yun , Jing Wang , Huishuai Zhang , Dongyan Zhao , Ke Tian , Zhihao Wang , Minghui Qiu , Tao Wang

Large-scale pretrained image-text models have shown incredible zero-shot performance in a handful of tasks, including video ones such as action recognition and text-to-video retrieval. However, these models have not been adapted to video,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Santiago Castro , Fabian Caba Heilbron

The rapid advancement of generative models has significantly enhanced the realism and customization of digital content creation. The increasing power of these tools, coupled with their ease of access, fuels the creation of photorealistic…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Francesco Laiti , Benedetta Liberatori , Thomas De Min , Elisa Ricci
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