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Video-language models (VLMs) face rapid inference costs as visual token counts scale with video length. For example, 32 frames at $448{\times}448$ resolution already yield >8,000 visual tokens in Qwen3-VL, making LLM prefill the dominant…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Simin Huo , Ning LI

The ability to embed watermarks in images is a fundamental problem of interest for computer vision, and is exacerbated by the rapid rise of generated imagery in recent times. Current state-of-the-art techniques suffer from computational and…

图像与视频处理 · 电气工程与系统科学 2025-09-17 Vinay Shukla , Prachee Sharma , Ryan Rossi , Sungchul Kim , Tong Yu , Aditya Grover

Convolutional neural network (CNN) slides a kernel over the whole image to produce an output map. This kernel scheme reduces the number of parameters with respect to a fully connected neural network (NN). While CNN has proven to be an…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Ihsan Ullah , Alfredo Petrosino

FlowNet2, the state-of-the-art convolutional neural network (CNN) for optical flow estimation, requires over 160M parameters to achieve accurate flow estimation. In this paper we present an alternative network that outperforms FlowNet2 on…

计算机视觉与模式识别 · 计算机科学 2018-05-24 Tak-Wai Hui , Xiaoou Tang , Chen Change Loy

The video-based person re-identification is to recognize a person under different cameras, which is a crucial task applied in visual surveillance system. Most previous methods mainly focused on the feature of full body in the frame. In this…

计算机视觉与模式识别 · 计算机科学 2018-07-04 Jie Liu , Cheng Sun , Xiang Xu , Baomin Xu , Shuangyuan Yu

Image-based virtual try-on aims to seamlessly fit in-shop clothing to a person image while maintaining pose consistency. Existing methods commonly employ the thin plate spline (TPS) transformation or appearance flow to deform in-shop…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Xiaoyu Han , Shunyuan Zheng , Zonglin Li , Chenyang Wang , Xin Sun , Quanling Meng

Recently, the transformer model has been successfully employed for the multi-view 3D reconstruction problem. However, challenges remain on designing an attention mechanism to explore the multiview features and exploit their relations for…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Leslie Ching Ow Tiong , Dick Sigmund , Andrew Beng Jin Teoh

Internet video delivery has undergone a tremendous explosion of growth over the past few years. However, the quality of video delivery system greatly depends on the Internet bandwidth. Deep Neural Networks (DNNs) are utilized to improve the…

图像与视频处理 · 电气工程与系统科学 2021-09-20 Jiaming Liu , Ming Lu , Kaixin Chen , Xiaoqi Li , Shizun Wang , Zhaoqing Wang , Enhua Wu , Yurong Chen , Chuang Zhang , Ming Wu

As deep convolutional neural networks (DNNs) are widely used in various fields of computer vision, leveraging the overfitting ability of the DNN to achieve video resolution upscaling has become a new trend in the modern video delivery…

计算机视觉与模式识别 · 计算机科学 2023-06-21 Gen Li , Jie Ji , Minghai Qin , Wei Niu , Bin Ren , Fatemeh Afghah , Linke Guo , Xiaolong Ma

Morphing is a long-standing problem in vision and computer graphics, requiring a time-dependent warping for feature alignment and a blending for smooth interpolation. Recently, multilayer perceptrons (MLPs) have been explored as implicit…

Dense semantic forecasting anticipates future events in video by inferring pixel-level semantics of an unobserved future image. We present a novel approach that is applicable to various single-frame architectures and tasks. Our approach…

计算机视觉与模式识别 · 计算机科学 2022-01-06 Josip Šarić , Sacha Vražić , Siniša Šegvić

This paper presents a frequency-velocity convolutional neural network (CNN) for rapid, non-invasive 2D shear wave velocity (Vs) imaging of near-surface geo-materials. Operating in the frequency-velocity domain allows for significant…

机器学习 · 计算机科学 2022-07-21 Aser Abbas , Joseph P. Vantassel , Brady R. Cox , Krishna Kumar , Jodie Crocker

Generative models excel at synthesizing high-fidelity samples from complex data distributions, but they often violate hard constraints arising from physical laws or task specifications. A common remedy is to project intermediate samples…

机器学习 · 计算机科学 2025-09-30 Jinhao Liang , Yixuan Sun , Anirban Samaddar , Sandeep Madireddy , Ferdinando Fioretto

Recent deep learning based video synthesis approaches, in particular with applications that can forge identities such as "DeepFake", have raised great security concerns. Therefore, corresponding deep forensic methods are proposed to tackle…

计算机视觉与模式识别 · 计算机科学 2020-08-12 Gengxing Wang , Jiahuan Zhou , Ying Wu

Motion representation plays a vital role in human action recognition in videos. In this study, we introduce a novel compact motion representation for video action recognition, named Optical Flow guided Feature (OFF), which enables the…

计算机视觉与模式识别 · 计算机科学 2018-07-10 Shuyang Sun , Zhanghui Kuang , Wanli Ouyang , Lu Sheng , Wei Zhang

Image diffusion models have been adapted for real-world video super-resolution to tackle over-smoothing issues in GAN-based methods. However, these models struggle to maintain temporal consistency, as they are trained on static images,…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Rui Xie , Yinhong Liu , Penghao Zhou , Chen Zhao , Jun Zhou , Kai Zhang , Zhenyu Zhang , Jian Yang , Zhenheng Yang , Ying Tai

This paper addresses the problem of human rendering in the video with temporal appearance constancy. Reconstructing dynamic body shapes with volumetric neural rendering methods, such as NeRF, requires finding the correspondence of the…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Haidong Zhu , Zhaoheng Zheng , Wanrong Zheng , Ram Nevatia

Developing channel-adaptive deep joint source-channel coding (JSCC) systems is a critical challenge in wireless image transmission. While recent advancements have been made, most existing approaches are designed for static channel…

图像与视频处理 · 电气工程与系统科学 2024-12-12 Hanlei Li , Guangyi Zhang , Kequan Zhou , Yunlong Cai , Guanding Yu

This paper presents a novel motion feature guided diffusion model for unpaired video-to-video translation (MFD-V2V), designed to synthesize dynamic, high-contrast cine cardiac magnetic resonance (CMR) from lower-contrast, artifact-prone…

图像与视频处理 · 电气工程与系统科学 2025-07-08 Swakshar Deb , Nian Wu , Frederick H. Epstein , Miaomiao Zhang

Currently, spatiotemporal features are embraced by most deep learning approaches for human action detection in videos, however, they neglect the important features in frequency domain. In this work, we propose an end-to-end network that…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Changhai Li , Huawei Chen , Jingqing Lu , Yang Huang , Yingying Liu