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Deepfake media is becoming widespread nowadays because of the easily available tools and mobile apps which can generate realistic looking deepfake videos/images without requiring any technical knowledge. With further advances in this field…

Computer Vision and Pattern Recognition · Computer Science 2022-08-12 Sohail Ahmed Khan , Duc-Tien Dang-Nguyen

In recent years, model quantization for face recognition has gained prominence. Traditionally, compressing models involved vast datasets like the 5.8 million-image MS1M dataset as well as extensive training times, raising the question of…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 William Gazali , Jocelyn Michelle Kho , Joshua Santoso , Williem

Long streaming video QA remains challenging due to growing visual tokens and limited reasoning length of large language models (LLMs). KV-caching stores the Key-Value (KV) of the historical tokens via LLM prefill and enables more efficient…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Junbin Xiao , Jiajun Chen , Tianxiang Sun , Xun Yang , Angela Yao

Recent advances in video super-resolution have shown that convolutional neural networks combined with motion compensation are able to merge information from multiple low-resolution (LR) frames to generate high-quality images. Current…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Mehdi S. M. Sajjadi , Raviteja Vemulapalli , Matthew Brown

Low-light image enhancement (LLIE) aims at improving the perception or interpretability of an image captured in an environment with poor illumination. Recent advances in this area are dominated by deep learning-based solutions, where many…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Chongyi Li , Chunle Guo , Linghao Han , Jun Jiang , Ming-Ming Cheng , Jinwei Gu , Chen Change Loy

In this paper, we empirically study how to make the most of low-resolution frames for efficient video recognition. Existing methods mainly focus on developing compact networks or alleviating temporal redundancy of video inputs to increase…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Chuofan Ma , Qiushan Guo , Yi Jiang , Zehuan Yuan , Ping Luo , Xiaojuan Qi

Recently deep learning based image compression has made rapid advances with promising results based on objective quality metrics. However, a rigorous subjective quality evaluation on such compression schemes have rarely been reported. This…

Image and Video Processing · Electrical Eng. & Systems 2019-05-13 Zhengxue Cheng , Pinar Akyazi , Heming Sun , Jiro Katto , Touradj Ebrahimi

Frame interpolation attempts to synthesise frames given one or more consecutive video frames. In recent years, deep learning approaches, and notably convolutional neural networks, have succeeded at tackling low- and high-level computer…

Computer Vision and Pattern Recognition · Computer Science 2019-02-27 Joost van Amersfoort , Wenzhe Shi , Alejandro Acosta , Francisco Massa , Johannes Totz , Zehan Wang , Jose Caballero

Existing full-reference image quality assessment (FR-IQA) methods achieve high-precision evaluation by analysing feature differences between reference and distorted images. However, their performance is constrained by the quality of the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Xuting Lan , Mingliang Zhou , Xuekai Wei , Jielu Yan , Yueting Huang , Huayan Pu , Jun Luo , Weijia Jia

The rapid progress in deep generative models has led to the creation of incredibly realistic synthetic images that are becoming increasingly difficult to distinguish from real-world data. The widespread use of Variational Models, Diffusion…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Anant Mehta , Bryant McArthur , Nagarjuna Kolloju , Zhengzhong Tu

Contemporary face recognition (FR) models achieve near-ideal recognition performance in constrained settings, yet do not fully translate the performance to unconstrained (realworld) scenarios. To help improve the performance and stability…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Žiga Babnik , Naser Damer , Vitomir Štruc

We present a novel approach for the detection of deepfake videos using a pair of vision transformers pre-trained by a self-supervised masked autoencoding setup. Our method consists of two distinct components, one of which focuses on…

Computer Vision and Pattern Recognition · Computer Science 2024-02-12 Sayantan Das , Mojtaba Kolahdouzi , Levent Özparlak , Will Hickie , Ali Etemad

In this paper, we propose Mix-QViT, an explainability-driven MPQ framework that systematically allocates bit-widths to each layer based on two criteria: layer importance, assessed via Layer-wise Relevance Propagation (LRP), which identifies…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Navin Ranjan , Andreas Savakis

Video tokenizers are essential for latent video diffusion models, converting raw video data into spatiotemporally compressed latent spaces for efficient training. However, extending state-of-the-art video tokenizers to achieve a temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Aniruddha Mahapatra , Long Mai , David Bourgin , Yitian Zhang , Feng Liu

The video-based facial expression recognition aims to classify a given video into several basic emotions. How to integrate facial features of individual frames is crucial for this task. In this paper, we propose the Frame Attention Networks…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Debin Meng , Xiaojiang Peng , Kai Wang , Yu Qiao

Deepfake detection is critical in mitigating the societal threats posed by manipulated videos. While various algorithms have been developed for this purpose, challenges arise when detectors operate externally, such as on smartphones, when…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Razaib Tariq , Shahroz Tariq , Simon S. Woo

Video compression is a standard procedure applied to all videos to minimize storage and transmission demands while preserving visual quality as much as possible. Therefore, evaluating the visual quality of compressed videos is crucial for…

Image and Video Processing · Electrical Eng. & Systems 2025-07-17 Wei Sun , Linhan Cao , Kang Fu , Dandan Zhu , Jun Jia , Menghan Hu , Xiongkuo Min , Guangtao Zhai

Currently, there are two popular approaches for addressing real-world image super-resolution problems: degradation-estimation-based and blind-based methods. However, degradation-estimation-based methods may be inaccurate in estimating the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Axi Niu , Kang Zhang , Trung X. Pham , Pei Wang , Jinqiu Sun , In So Kweon , Yanning Zhang

In this paper, we propose a deep learning based video quality assessment (VQA) framework to evaluate the quality of the compressed user's generated content (UGC) videos. The proposed VQA framework consists of three modules, the feature…

Image and Video Processing · Electrical Eng. & Systems 2021-06-03 Wei Sun , Tao Wang , Xiongkuo Min , Fuwang Yi , Guangtao Zhai

Due to the development of facial manipulation techniques in recent years deepfake detection in video stream became an important problem for face biometrics, brand monitoring or online video conferencing solutions. In case of a biometric…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Kirill Vyshegorodtsev , Dmitry Kudiyarov , Alexander Balashov , Alexander Kuzmin