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Synthetically augmenting training datasets with diffusion models has become an effective strategy for improving the generalization of image classifiers. However, existing approaches typically increase dataset size by 10-30x and struggle to…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Dang Nguyen , Jiping Li , Jinghao Zheng , Baharan Mirzasoleiman

Drone detection has benefited from improvements in deep neural networks, but like many other applications, suffers from the availability of accurate data for training. Synthetic data provides a potential for low-cost data generation and has…

计算机视觉与模式识别 · 计算机科学 2024-11-15 Mariusz Wisniewski , Zeeshan A. Rana , Ivan Petrunin , Alan Holt , Stephen Harman

We conduct an in-depth exploration of different strategies for doing event detection in videos using convolutional neural networks (CNNs) trained for image classification. We study different ways of performing spatial and temporal pooling,…

计算机视觉与模式识别 · 计算机科学 2015-05-11 Shengxin Zha , Florian Luisier , Walter Andrews , Nitish Srivastava , Ruslan Salakhutdinov

Convolutional networks reach top quality in pixel-level video object segmentation but require a large amount of training data (1k~100k) to deliver such results. We propose a new training strategy which achieves state-of-the-art results…

计算机视觉与模式识别 · 计算机科学 2019-03-15 Anna Khoreva , Rodrigo Benenson , Eddy Ilg , Thomas Brox , Bernt Schiele

Synthetic-to-real transfer learning is a framework in which a synthetically generated dataset is used to pre-train a model to improve its performance on real vision tasks. The most significant advantage of using synthetic images is that the…

Contrastive learning (CL), a self-supervised learning approach, can effectively learn visual representations from unlabeled data. Given the CL training data, generative models can be trained to generate synthetic data to supplement the real…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Yawen Wu , Zhepeng Wang , Dewen Zeng , Yiyu Shi , Jingtong Hu

In this paper we discuss several forms of spatiotemporal convolutions for video analysis and study their effects on action recognition. Our motivation stems from the observation that 2D CNNs applied to individual frames of the video have…

计算机视觉与模式识别 · 计算机科学 2018-04-13 Du Tran , Heng Wang , Lorenzo Torresani , Jamie Ray , Yann LeCun , Manohar Paluri

Video matting has traditionally been limited by the lack of high-quality ground-truth data. Most existing video matting datasets provide only human-annotated imperfect alpha and foreground annotations, which must be composited to background…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Yongtao Ge , Kangyang Xie , Guangkai Xu , Mingyu Liu , Li Ke , Longtao Huang , Hui Xue , Hao Chen , Chunhua Shen

Automatically detecting vital signs in videos, such as the estimation of heart and respiration rates, is a challenging research problem in computer vision with important applications in the medical field. One of the key difficulties in…

计算机视觉与模式识别 · 计算机科学 2020-04-27 Florin Condrea , Victor-Andrei Ivan , Marius Leordeanu

Person re-identification (Re-ID) is an important task and has significant applications for public security and information forensics, which has progressed rapidly with the development of deep learning. In this work, we investigate a novel…

计算机视觉与模式识别 · 计算机科学 2025-02-05 Xiangqun Zhang , Wei Feng , Ruize Han , Likai Wang , Linqi Song , Junhui Hou

We present a system for training deep neural networks for object detection using synthetic images. To handle the variability in real-world data, the system relies upon the technique of domain randomization, in which the parameters of the…

计算机视觉与模式识别 · 计算机科学 2018-04-25 Jonathan Tremblay , Aayush Prakash , David Acuna , Mark Brophy , Varun Jampani , Cem Anil , Thang To , Eric Cameracci , Shaad Boochoon , Stan Birchfield

Synthetic data has emerged as a cost-effective alternative to real data for training artificial neural networks (ANN). However, the disparity between synthetic and real data results in a domain gap. That gap leads to poor performance and…

机器学习 · 计算机科学 2025-09-03 Paul Wachter , Lukas Niehaus , Julius Schöning

Synthetic image data generation represents a promising avenue for training deep learning models, particularly in the realm of transfer learning, where obtaining real images within a specific domain can be prohibitively expensive due to…

计算机视觉与模式识别 · 计算机科学 2024-04-04 Yuhang Li , Xin Dong , Chen Chen , Jingtao Li , Yuxin Wen , Michael Spranger , Lingjuan Lyu

In the Internet, ubiquitous presence of redundant, unedited, raw videos has made video summarization an important problem. Traditional methods of video summarization employ a heuristic set of hand-crafted features, which in many cases fail…

计算机视觉与模式识别 · 计算机科学 2017-08-24 Mohaiminul Al Nahian , A. S. M. Iftekhar , Mohammad Tariqul Islam , S. M. Mahbubur Rahman , Dimitrios Hatzinakos

Performance achievable by modern deep learning approaches are directly related to the amount of data used at training time. Unfortunately, the annotation process is notoriously tedious and expensive, especially for pixel-wise tasks like…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Pierluigi Zama Ramirez , Alessio Tonioni , Luigi Di Stefano

There is an urgent need for an effective video classification method by means of a small number of samples. The deficiency of samples could be effectively alleviated by generating samples through Generative Adversarial Networks (GAN), but…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Yumeng Zhang , Gaoguo Jia , Li Chen , Mingrui Zhang , Junhai Yong

Deep learning has been demonstrated to achieve excellent results for image classification and object detection. However, the impact of deep learning on video analysis (e.g. action detection and recognition) has been limited due to…

计算机视觉与模式识别 · 计算机科学 2017-08-03 Rui Hou , Chen Chen , Mubarak Shah

Conditional image generative models hold considerable promise to produce infinite amounts of synthetic training data. Yet, recent progress in generation quality has come at the expense of generation diversity, limiting the utility of these…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Nicola Dall'Asen , Xiaofeng Zhang , Reyhane Askari Hemmat , Melissa Hall , Jakob Verbeek , Adriana Romero-Soriano , Michal Drozdzal

In this paper, a novel video classification method is presented that aims to recognize different categories of third-person videos efficiently. Our motivation is to achieve a light model that could be trained with insufficient training…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Ali Javidani , Ahmad Mahmoudi-Aznaveh

Object recognition and object pose estimation in robotic grasping continue to be significant challenges, since building a labelled dataset can be time consuming and financially costly in terms of data collection and annotation. In this…

计算机视觉与模式识别 · 计算机科学 2024-01-25 Dongmyoung Lee , Wei Chen , Nicolas Rojas