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Related papers: Self-Refining Video Sampling

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Video captioning generate a sentence that describes the video content. Existing methods always require a number of captions (\eg, 10 or 20) per video to train the model, which is quite costly. In this work, we explore the possibility of…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Ping Li , Tao Wang , Xinkui Zhao , Xianghua Xu , Mingli Song

Simulation is increasingly being used for generating large labelled datasets in many machine learning problems. Recent methods have focused on adjusting simulator parameters with the goal of maximising accuracy on a validation task, usually…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Harkirat Singh Behl , Atılım Güneş Baydin , Ran Gal , Philip H. S. Torr , Vibhav Vineet

Diffusion models exhibited tremendous progress in image and video generation, exceeding GANs in quality and diversity. However, they are usually trained on very large datasets and are not naturally adapted to manipulate a given input image…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Yaniv Nikankin , Niv Haim , Michal Irani

The goal of this paper is to discover, segment, and track independently moving objects in complex visual scenes. Previous approaches have explored the use of optical flow for motion segmentation, leading to imperfect predictions due to…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Junyu Xie , Weidi Xie , Andrew Zisserman

Rendering realistic images from 3D reconstruction is an essential task of many Computer Vision and Robotics pipelines, notably for mixed-reality applications as well as training autonomous agents in simulated environments. However, the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Lukas Bösiger , Mihai Dusmanu , Marc Pollefeys , Zuria Bauer

Recent advances in generative AI have led to the development of techniques to generate visually realistic synthetic video. While a number of techniques have been developed to detect AI-generated synthetic images, in this paper we show that…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Danial Samadi Vahdati , Tai D. Nguyen , Aref Azizpour , Matthew C. Stamm

Generative models, particularly diffusion models, have made significant success in data synthesis across various modalities, including images, videos, and 3D assets. However, current diffusion models are computationally intensive, often…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Yuanzhi Zhu , Hanshu Yan , Huan Yang , Kai Zhang , Junnan Li

Video summarization has unprecedented importance to help us digest, browse, and search today's ever-growing video collections. We propose a novel subset selection technique that leverages supervision in the form of human-created summaries…

Computer Vision and Pattern Recognition · Computer Science 2016-05-02 Ke Zhang , Wei-Lun Chao , Fei Sha , Kristen Grauman

Video summarization technologies aim to create a concise and complete synopsis by selecting the most informative parts of the video content. Several approaches have been developed over the last couple of decades and the current state of the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Evlampios Apostolidis , Eleni Adamantidou , Alexandros I. Metsai , Vasileios Mezaris , Ioannis Patras

With the broad growth of video capturing devices and applications on the web, it is more demanding to provide desired video content for users efficiently. Video summarization facilitates quickly grasping video content by creating a compact…

Computer Vision and Pattern Recognition · Computer Science 2022-10-24 Mayu Otani , Yale Song , Yang Wang

In this paper, we make a bold attempt toward an ambitious task: given a pre-trained classifier, we aim to reconstruct an image generator, without relying on any data samples. From a black-box perspective, this challenge seems intractable,…

Machine Learning · Computer Science 2023-12-06 Runpeng Yu , Xinchao Wang

We propose a self-supervised visual learning method by predicting the variable playback speeds of a video. Without semantic labels, we learn the spatio-temporal visual representation of the video by leveraging the variations in the visual…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Hyeon Cho , Taehoon Kim , Hyung Jin Chang , Wonjun Hwang

It is no secret that pornographic material is now a one-click-away from everyone, including children and minors. General social media networks are striving to isolate adult images and videos from normal ones. Intelligent image analysis…

Computer Vision and Pattern Recognition · Computer Science 2015-12-01 Mohamed Moustafa

Self-evolution offers a promising path for improving reasoning models without relying on intensive human annotation. However, extending this paradigm to video understanding remains underexplored and challenging: videos are long, dynamic,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Ruixu Zhang , Deyi Ji , Lanyun Zhu , Xuanyi Liu , Yuxin Meng , Ruihang Chu , Yujiu Yang

The use of fluorescent molecules to create long sequences of low-density, diffraction-limited images enables highly-precise molecule localization. However, this methodology requires lengthy imaging times, which limits the ability to view…

Image and Video Processing · Electrical Eng. & Systems 2024-03-26 Yair Ben Sahel , Yonina C. Eldar

We present a fully automatic approach to video colorization with self-regularization and diversity. Our model contains a colorization network for video frame colorization and a refinement network for spatiotemporal color refinement. Without…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Chenyang Lei , Qifeng Chen

Automating quality inspection with computer vision techniques is often a very data-demanding task. Specifically, supervised deep learning requires a large amount of annotated images for training. In practice, collecting and annotating such…

Computer Vision and Pattern Recognition · Computer Science 2022-02-28 Antoine Cordier , Pierre Gutierrez , Victoire Plessis

While recent advancements in text-to-video diffusion models enable high-quality short video generation from a single prompt, generating real-world long videos in a single pass remains challenging due to limited data and high computational…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Subin Kim , Seoung Wug Oh , Jui-Hsien Wang , Joon-Young Lee , Jinwoo Shin

Videos are a popular media form, where online video streaming has recently gathered much popularity. In this work, we propose a novel method of real-time video stabilization - transforming a shaky video to a stabilized video as if it were…

Computer Vision and Pattern Recognition · Computer Science 2021-11-12 Jinsoo Choi , Jaesik Park , In So Kweon

We investigate how to enhance the physical fidelity of video generation models by leveraging synthetic videos derived from computer graphics pipelines. These rendered videos respect real-world physics, such as maintaining 3D consistency,…

Image and Video Processing · Electrical Eng. & Systems 2025-03-28 Qi Zhao , Xingyu Ni , Ziyu Wang , Feng Cheng , Ziyan Yang , Lu Jiang , Bohan Wang