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相关论文: VMAF Re-implementation on PyTorch: Some Experiment…

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This paper describes the subjective experiments and subsequent analysis carried out to validate the application of one of the most robust and influential video quality metrics, Video Multimethod Assessment Fusion (VMAF), to 360VR contents.…

多媒体 · 计算机科学 2021-03-04 Marta Orduna , César Díaz , Lara Muñoz , Pablo Pérez , Ignacio Benito , Narciso García

VMAF is a machine learning based video quality assessment method, originally designed for streaming applications, which combines multiple quality metrics and video features through SVM regression. It offers higher correlation with…

图像与视频处理 · 电气工程与系统科学 2021-09-17 Fan Zhang , Angeliki Katsenou , Christos Bampis , Lukas Krasula , Zhi Li , David Bull

Using stochastic gradient approach we study the properties of adversarial perturbations resulting in noticeable growth of VMAF image quality metric. The structure of the perturbations is investigated depending on the acceptable PSNR values…

计算机视觉与模式识别 · 计算机科学 2025-09-11 Egor Kuznetsov , Kirill Aistov , Maxim Koroteev

Modern deep learning frameworks provide imperative, eager execution programming interfaces embedded in Python to provide a productive development experience. However, deep learning practitioners sometimes need to capture and transform…

机器学习 · 计算机科学 2022-03-08 James K. Reed , Zachary DeVito , Horace He , Ansley Ussery , Jason Ansel

State-space models (SSMs) are a widely used tool in time series analysis. In the complex systems that arise from real-world data, it is common to employ particle filtering (PF), an efficient Monte Carlo method for estimating the hidden…

信号处理 · 电气工程与系统科学 2025-11-05 John-Joseph Brady , Benjamin Cox , Yunpeng Li , Víctor Elvira

Finetuning a pretrained vision model (PVM) is a common technique for learning downstream vision tasks. However, the conventional finetuning process with randomly sampled data points results in diminished training efficiency. To address this…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Rongyu Zhang , Zefan Cai , Huanrui Yang , Zidong Liu , Denis Gudovskiy , Tomoyuki Okuno , Yohei Nakata , Kurt Keutzer , Baobao Chang , Yuan Du , Li Du , Shanghang Zhang

Low-precision training reduces computational cost and produces efficient models. Recent research in developing new low-precision training algorithms often relies on simulation to empirically evaluate the statistical effects of quantization…

机器学习 · 计算机科学 2019-10-11 Tianyi Zhang , Zhiqiu Lin , Guandao Yang , Christopher De Sa

This work presents the Video Platform for PyTorch (ViP), a deep learning-based framework designed to handle and extend to any problem domain based on videos. ViP supports (1) a single unified interface applicable to all video problem…

计算机视觉与模式识别 · 计算机科学 2019-10-08 Madan Ravi Ganesh , Eric Hofesmann , Nathan Louis , Jason Corso

In this paper, we introduce MCTensor, a library based on PyTorch for providing general-purpose and high-precision arithmetic for DL training. MCTensor is used in the same way as PyTorch Tensor: we implement multiple basic, matrix-level…

机器学习 · 计算机科学 2022-08-31 Tao Yu , Wentao Guo , Jianan Canal Li , Tiancheng Yuan , Christopher De Sa

We present PyTorch Frame, a PyTorch-based framework for deep learning over multi-modal tabular data. PyTorch Frame makes tabular deep learning easy by providing a PyTorch-based data structure to handle complex tabular data, introducing a…

机器学习 · 计算机科学 2024-12-17 Weihua Hu , Yiwen Yuan , Zecheng Zhang , Akihiro Nitta , Kaidi Cao , Vid Kocijan , Jinu Sunil , Jure Leskovec , Matthias Fey

The von Mises-Fisher (vMF) is a well-known density model for directional random variables. The recent surge of the deep embedding methodologies for high-dimensional structured data such as images or texts, aimed at extracting salient…

机器学习 · 计算机科学 2021-02-11 Minyoung Kim

The VMAF (video multi-method assessment fusion) metric for image and video coding recently gained more and more popularity as it is supposed to have a high correlation with human perception. This makes training and particularly fine-tuning…

图像与视频处理 · 电气工程与系统科学 2026-03-05 Florian Fingscheidt , Alexander Karabutov , Panqi Jia , Elena Alshina , Jörn Ostermann

There has been a growing trend in compressing and transmitting videos from terminals for machine vision tasks. Nevertheless, most video coding optimization method focus on minimizing distortion according to human perceptual metrics,…

多媒体 · 计算机科学 2025-12-18 Fei Zhao , Mengxi Guo , Shijie Zhao , Junlin Li , Li Zhang , Xiaodong Xie

With the growth of high-quality data and advancement in visual pre-training paradigms, Video Foundation Models (VFMs) have made significant progress recently, demonstrating their remarkable performance on traditional video understanding…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Xinhao Li , Zhenpeng Huang , Jing Wang , Kunchang Li , Limin Wang

The goal of hyperparameter tuning (or hyperparameter optimization) is to optimize the hyperparameters to improve the performance of the machine or deep learning model. spotPython (``Sequential Parameter Optimization Toolbox in Python'') is…

机器学习 · 计算机科学 2023-06-08 Thomas Bartz-Beielstein

Deep learning frameworks have often focused on either usability or speed, but not both. PyTorch is a machine learning library that shows that these two goals are in fact compatible: it provides an imperative and Pythonic programming style…

I show that a software framework intended primarily for training of neural networks, PyTorch, is easily applied to a general function minimisation problem in science. The qualities of PyTorch of ease-of-use and very high efficiency are…

天体物理仪器与方法 · 物理学 2018-11-20 Bojan Nikolic

Scene-level neural volumetric reconstruction from monocular videos remains challenging, especially under severe domain shifts. Although recent advances in vision foundation models (VFMs) provide transferable generalized priors learned from…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Yuhang Ming , Tingkang Xi , Xingrui Yang , Lixin Yang , Yong Peng , Cewu Lu , Wanzeng Kong

Reinforcement Learning (RL) is a widely employed technique in decision-making problems, encompassing two fundamental operations -- policy evaluation and policy improvement. Enhancing learning efficiency remains a key challenge in RL, with…

机器学习 · 计算机科学 2024-05-15 Yiwen Zhu , Jinyi Liu , Wenya Wei , Qianyi Fu , Yujing Hu , Zhou Fang , Bo An , Jianye Hao , Tangjie Lv , Changjie Fan

We introduce Gradient Agreement Filtering (GAF) to improve on gradient averaging in distributed deep learning optimization. Traditional distributed data-parallel stochastic gradient descent involves averaging gradients of microbatches to…

机器学习 · 计算机科学 2024-12-31 Francois Chaubard , Duncan Eddy , Mykel J. Kochenderfer
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