中文
相关论文

相关论文: Online and Batch Supervised Background Estimation …

200 篇论文

In its early implementations, background modeling was a process of building a model for the background of a video with a stationary camera, and identifying pixels that did not conform well to this model. The pixels that were not…

计算机视觉与模式识别 · 计算机科学 2015-11-06 Manjunath Narayana , Allen Hanson , Erik Learned-Miller

Least Angle Regression is a promising technique for variable selection applications, offering a nice alternative to stepwise regression. It provides an explanation for the similar behavior of LASSO ($\ell_1$-penalized regression) and…

统计方法学 · 统计学 2008-05-21 Tim Hesterberg , Nam Hee Choi , Lukas Meier , Chris Fraley

Our goal in this work is to generate realistic videos given just one initial frame as input. Existing unsupervised approaches to this task do not consider the fact that a video typically shows a 3D environment, and that this should remain…

计算机视觉与模式识别 · 计算机科学 2021-06-18 Paul Henderson , Christoph H. Lampert , Bernd Bickel

Video prediction has been an active topic of research in the past few years. Many algorithms focus on pixel-level predictions, which generates results that blur and disintegrate within a few frames. In this project, we use a hierarchical…

计算机视觉与模式识别 · 计算机科学 2017-07-04 Peter Wang , Zhongxia Yan , Jeff Zhang

Content-based video retrieval is one of the most challenging tasks in surveillance systems. In this study, Latent Dirichlet Allocation (LDA) topic model is used to annotate surveillance videos in an unsupervised manner. In scene…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Mohammad Kianpisheh

This paper proposes a foreground-background separation (FBS) method with a novel foreground model based on convolutional sparse representation (CSR). In order to analyze the dynamic and static components of videos acquired under undesirable…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Kazuki Naganuma , Shunsuke Ono

Event cameras are novel vision sensors that sample, in an asynchronous fashion, brightness increments with low latency and high temporal resolution. The resulting streams of events are of high value by themselves, especially for high speed…

计算机视觉与模式识别 · 计算机科学 2021-04-13 F. Paredes-Vallés , G. C. H. E. de Croon

Learning visual representations through self-supervision is an extremely challenging task as the network needs to sieve relevant patterns from spurious distractors without the active guidance provided by supervision. This is achieved…

计算机视觉与模式识别 · 计算机科学 2022-06-17 Fatemeh Saleh , Fuwen Tan , Adrian Bulat , Georgios Tzimiropoulos , Brais Martinez

Instance-level contrastive learning techniques, which rely on data augmentation and a contrastive loss function, have found great success in the domain of visual representation learning. They are not suitable for exploiting the rich…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Martine Toering , Ioannis Gatopoulos , Maarten Stol , Vincent Tao Hu

Recent advancements in Chain of Thought (COT) generation have significantly improved the reasoning capabilities of Large Language Models (LLMs), with reinforcement learning (RL) emerging as an effective post-training approach. Multimodal…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Yi Chen , Yuying Ge , Rui Wang , Yixiao Ge , Lu Qiu , Ying Shan , Xihui Liu

Video and image quality assessment has long been projected as a regression problem, which requires predicting a continuous quality score given an input stimulus. However, recent efforts have shown that accurate quality score regression on…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Zhengzhong Tu , Chia-Ju Chen , Li-Heng Chen , Yilin Wang , Neil Birkbeck , Balu Adsumilli , Alan C. Bovik

Summarizing a video requires a diverse understanding of the video, ranging from recognizing scenes to evaluating how much each frame is essential enough to be selected as a summary. Self-supervised learning (SSL) is acknowledged for its…

计算机视觉与模式识别 · 计算机科学 2023-06-05 Minho Shim , Taeoh Kim , Jinhyung Kim , Dongyoon Wee

The tracking method based on the extreme learning machine (ELM) is efficient and effective. ELM randomly generates input weights and biases in the hidden layer, and then calculates and computes the output weights by reducing the iterative…

机器学习 · 计算机科学 2018-07-27 Jing Zhang , Huibing Wang , Yonggong Ren

Identifying moving objects in a video sequence, which is produced by a static camera, is a fundamental and critical task in many computer-vision applications. A common approach performs background subtraction, which identifies moving…

计算机视觉与模式识别 · 计算机科学 2013-05-02 Dina Dushnik , Alon Schclar , Amir Averbuch

Current weakly supervised video anomaly detection algorithms mostly use multiple instance learning (MIL) or their varieties. Almost all recent approaches focus on how to select the correct snippets for training to improve the performance.…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Weijun Tan , Qi Yao , Jingfeng Liu

Previous methods on estimating detailed human depth often require supervised training with `ground truth' depth data. This paper presents a self-supervised method that can be trained on YouTube videos without known depth, which makes…

计算机视觉与模式识别 · 计算机科学 2020-05-08 Feitong Tan , Hao Zhu , Zhaopeng Cui , Siyu Zhu , Marc Pollefeys , Ping Tan

Learning-based, single-view depth estimation often generalizes poorly to unseen datasets. While learning-based, two-frame depth estimation solves this problem to some extent by learning to match features across frames, it performs poorly at…

计算机视觉与模式识别 · 计算机科学 2018-05-18 Rui Wang , Jan-Michael Frahm , Stephen M. Pizer

Camera-controlled video generation has achieved remarkable progress in recent years. However, existing video-to-video re-rendering methods primarily rely on Supervised Fine-Tuning using synthetic datasets. At present, there is an extreme…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Zizun Li , Haoyu Guo , Runzhe Teng , Chunhua Shen , Tong He

Over the past decade, many computational saliency prediction models have been proposed for 2D images and videos. Considering that the human visual system has evolved in a natural 3D environment, it is only natural to want to design visual…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Amin Banitalebi-Dehkordi , Mahsa T. Pourazad , Panos Nasiopoulos

Recently, tensor data (or multidimensional array) have been generated in many modern applications, such as functional magnetic resonance imaging (fMRI) in neuroscience and videos in video analysis. Many efforts are made in recent years to…

机器学习 · 计算机科学 2023-08-10 Jiaqi Zhang , Yinghao Cai , Zhaoyang Wang , Beilun Wang