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In digital forensics, file fragment classification is an important step toward completing file carving process. There exist several techniques to identify the type of file fragments without relying on meta-data, such as using features like…

密码学与安全 · 计算机科学 2025-04-15 Mustafa Ghaleb , Kunwar Saaim , Muhamad Felemban , Saleh Al-Saleh , Ahmad Al-Mulhem

Recent advances in multimodal foundation models unifying image understanding and generation have opened exciting avenues for tackling a wide range of vision-language tasks within a single framework. Despite progress, existing unified models…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Ying Shen , Zhiyang Xu , Jiuhai Chen , Shizhe Diao , Jiaxin Zhang , Yuguang Yao , Joy Rimchala , Ismini Lourentzou , Lifu Huang

Training deep learning models for accurate spatiotemporal recognition of facial expressions in videos requires significant computational resources. For practical reasons, 3D Convolutional Neural Networks (3D CNNs) are usually trained with…

计算机视觉与模式识别 · 计算机科学 2020-11-11 Théo Ayral , Marco Pedersoli , Simon Bacon , Eric Granger

This paper presents L-VITeX, a lightweight visual intuition system for terrain exploration designed for resource-constrained robots and swarms. L-VITeX aims to provide a hint of Regions of Interest (RoIs) without computationally expensive…

机器人学 · 计算机科学 2024-10-11 Antar Mazumder , Zarin Anjum Madhiha

Video understanding is a challenging problem with great impact on the abilities of autonomous agents working in the real-world. Yet, solutions so far have been computationally intensive, with the fastest algorithms running for more than…

计算机视觉与模式识别 · 计算机科学 2021-07-01 AJ Piergiovanni , Anelia Angelova , Michael S. Ryoo

Long Video Temporal Grounding (LVTG) aims at identifying specific moments within lengthy videos based on user-provided text queries for effective content retrieval. The approach taken by existing methods of dividing video into clips and…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Zijia Lu , A S M Iftekhar , Gaurav Mittal , Tianjian Meng , Xiawei Wang , Cheng Zhao , Rohith Kukkala , Ehsan Elhamifar , Mei Chen

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…

计算机视觉与模式识别 · 计算机科学 2023-01-19 Nikolaos Gkalelis , Dimitrios Daskalakis , Vasileios Mezaris

The application of Large Multimodal Models (LMMs) to long-form video understanding is constrained by limited context lengths and the computationally prohibitive cost of processing dense video tokens. Consequently, recent research has…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Jialuo Li , Bin Li , Jiahao Li , Yan Lu

Modern scene text recognition systems often depend on large end-to-end architectures that require extensive training and are prohibitively expensive for real-time scenarios. In such cases, the deployment of heavy models becomes impractical…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Ritabrata Chakraborty , Shivakumara Palaiahnakote , Umapada Pal , Cheng-Lin Liu

As it requires a huge number of parameters when exposed to high dimensional inputs in video detection and classification, there is a grand challenge to develop a compact yet accurate video comprehension at terminal devices. Current works…

计算机视觉与模式识别 · 计算机科学 2018-06-08 Yuan Cheng , Guangya Li , Hai-Bao Chen , Sheldon X. -D. Tan , Hao Yu

Advances in latent diffusion models (LDMs) have revolutionized high-resolution image generation, but the design space of the autoencoder that is central to these systems remains underexplored. In this paper, we introduce LiteVAE, a new…

机器学习 · 计算机科学 2025-01-22 Seyedmorteza Sadat , Jakob Buhmann , Derek Bradley , Otmar Hilliges , Romann M. Weber

Streaming video understanding requires models to robustly encode, store, and retrieve information from a continuous video stream to support accurate video question answering (VQA). Existing state-of-the-art approaches rely on key-value…

计算机视觉与模式识别 · 计算机科学 2026-02-23 Vatsal Agarwal , Saksham Suri , Matthew Gwilliam , Pulkit Kumar , Abhinav Shrivastava

Deep learning methods have shown considerable potential for hyperspectral image (HSI) classification, which can achieve high accuracy compared with traditional methods. However, they often need a large number of training samples and have a…

图像与视频处理 · 电气工程与系统科学 2020-10-16 Benlei Cui , XueMei Dong , Qiaoqiao Zhan , Jiangtao Peng , Weiwei Sun

Long video understanding is inherently challenging for vision-language models (VLMs) because of the extensive number of frames. With each video frame typically expanding into tens or hundreds of tokens, the limited context length of large…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Zheyu Zhang , Ziqi Pang , Shixing Chen , Xiang Hao , Vimal Bhat , Yu-Xiong Wang

Recent progress in multi-modal large language models (MLLMs) has significantly advanced video understanding. However, their performance on long-form videos remains limited by computational constraints and suboptimal frame selection. We…

计算机视觉与模式识别 · 计算机科学 2026-01-19 Wenhui Tan , Ruihua Song , Jiaze Li , Jianzhong Ju , Zhenbo Luo

In this paper, we construct a lightweight, high-precision and high-speed object tracking using a trained CNN. Conventional methods with trained CNNs use VGG16 network which requires powerful computational resources. Therefore, there is a…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Tsubasa Murate , Takashi Watanabe , Masaki Yamada

Object detection is a fundamental problem in computer vision, aiming at locating and classifying objects in image. Although current devices can easily take very high-resolution images, current approaches of object detection seldom consider…

计算机视觉与模式识别 · 计算机科学 2023-03-03 Jinyan Liu , Jie Chen

Recent breakthroughs in diffusion models, multimodal pretraining, and efficient finetuning have led to an explosion of text-to-image generative models. Given human evaluation is expensive and difficult to scale, automated methods are…

计算机视觉与模式识别 · 计算机科学 2023-10-19 Dhruba Ghosh , Hanna Hajishirzi , Ludwig Schmidt

Deep neural networks for real-time video matting suffer significant computational limitations on edge devices, hindering their adoption in widespread applications such as online conferences and short-form video production. Binarization…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Haotong Qin , Xianglong Liu , Xudong Ma , Lei Ke , Yulun Zhang , Jie Luo , Michele Magno

Transfer learning has become an essential tool in modern computer vision, allowing practitioners to leverage backbones, pretrained on large datasets, to train successful models from limited annotated data. Choosing the right backbone is…

计算机视觉与模式识别 · 计算机科学 2025-08-20 Joris Guerin , Shray Bansal , Amirreza Shaban , Paulo Mann , Harshvardhan Gazula