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We introduce a novel formulation for continuous space-time video super-resolution. Instead of decoupling the representation of a video sequence into separate spatial and temporal components and relying on brittle, explicit frame warping for…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Alexander Becker , Julius Erbach , Dominik Narnhofer , Konrad Schindler

The increased resolution of real-world videos presents a dilemma between efficiency and accuracy for deep Video Quality Assessment (VQA). On the one hand, keeping the original resolution will lead to unacceptable computational costs. On the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Haoning Wu , Chaofeng Chen , Liang Liao , Jingwen Hou , Wenxiu Sun , Qiong Yan , Jinwei Gu , Weisi Lin

Blind or no-reference image quality assessment (NR-IQA) is a fundamental, unsolved, and yet challenging problem due to the unavailability of a reference image. It is vital to the streaming and social media industries that impact billions of…

Computer Vision and Pattern Recognition · Computer Science 2020-06-09 S. Alireza Golestaneh , Kris Kitani

In this work we introduce a time- and memory-efficient method for structured prediction that couples neuron decisions across both space at time. We show that we are able to perform exact and efficient inference on a densely connected…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Siddhartha Chandra , Camille Couprie , Iasonas Kokkinos

Image quality assessment (IQA) continues to garner great interest in the research community, particularly given the tremendous rise in consumer video capture and streaming. Despite significant research effort in IQA in the past few decades,…

Multimedia · Computer Science 2016-09-26 Prajna Paramita Dash , Akshaya Mishra , Alexander Wong

With the rapid growth of User-Generated Content (UGC) exchanged between users and sharing platforms, the need for video quality assessment in the wild is increasingly evident. UGC is typically acquired using consumer devices and undergoes…

Image and Video Processing · Electrical Eng. & Systems 2025-03-14 Xinyi Wang , Angeliki Katsenou , David Bull

Unsupervised video-based object-centric learning is a promising avenue to learn structured representations from large, unlabeled video collections, but previous approaches have only managed to scale to real-world datasets in restricted…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Andrii Zadaianchuk , Maximilian Seitzer , Georg Martius

We propose an approach to learn spatio-temporal features in videos from intermediate visual representations we call "percepts" using Gated-Recurrent-Unit Recurrent Networks (GRUs).Our method relies on percepts that are extracted from all…

Computer Vision and Pattern Recognition · Computer Science 2016-03-02 Nicolas Ballas , Li Yao , Chris Pal , Aaron Courville

Objective measures of image quality generally operate by comparing pixels of a "degraded" image to those of the original. Relative to human observers, these measures are overly sensitive to resampling of texture regions (e.g., replacing one…

Computer Vision and Pattern Recognition · Computer Science 2021-01-25 Keyan Ding , Kede Ma , Shiqi Wang , Eero P. Simoncelli

Gaussian process regression is a powerful Bayesian nonlinear regression method. Recent research has enabled the capture of many types of observations using non-Gaussian likelihoods. To deal with various tasks in spatial modeling, we benefit…

Machine Learning · Statistics 2025-08-26 Yuta Shikuri

The increasing ubiquity of video content and the corresponding demand for efficient access to meaningful information have elevated video summarization and video highlights as a vital research area. However, many state-of-the-art methods…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Pritam Mishra , Coloma Ballester , Dimosthenis Karatzas

In this paper, we introduce Coarse-Fine Networks, a two-stream architecture which benefits from different abstractions of temporal resolution to learn better video representations for long-term motion. Traditional Video models process…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Kumara Kahatapitiya , Michael S. Ryoo

Few-shot video object segmentation (FS-VOS) aims at segmenting video frames using a few labelled examples of classes not seen during initial training. In this paper, we present a simple but effective temporal transductive inference (TTI)…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Mennatullah Siam , Konstantinos G. Derpanis , Richard P. Wildes

Downsampling is one of the most basic image processing operations. Improper spatio-temporal downsampling applied on videos can cause aliasing issues such as moir\'e patterns in space and the wagon-wheel effect in time. Consequently, the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Xiaoyu Xiang , Yapeng Tian , Vijay Rengarajan , Lucas Young , Bo Zhu , Rakesh Ranjan

No-reference video quality assessment (NR-VQA) for user generated content (UGC) is crucial for understanding and improving visual experience. Unlike video recognition tasks, VQA tasks are sensitive to changes in input resolution. Since…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Junjie Ke , Tianhao Zhang , Yilin Wang , Peyman Milanfar , Feng Yang

The quality of frames is significant for both research and application of video frame interpolation (VFI). In recent VFI studies, the methods of full-reference image quality assessment have generally been used to evaluate the quality of VFI…

Image and Video Processing · Electrical Eng. & Systems 2023-12-27 Jinliang Han , Xiongkuo Min , Yixuan Gao , Jun Jia , Lei Sun , Zuowei Cao , Yonglin Luo , Guangtao Zhai

We propose a self-supervised method for learning motion-focused video representations. Existing approaches minimize distances between temporally augmented videos, which maintain high spatial similarity. We instead propose to learn…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Fida Mohammad Thoker , Hazel Doughty , Cees Snoek

Conventional images/videos are often rendered within the central vision area of the human visual system (HVS) with uniform quality. Recent virtual reality (VR) device with head mounted display (HMD) extends the field of view (FoV)…

Multimedia · Computer Science 2018-02-27 Peiyao Guo , Qiu Shen , Zhan Ma , David J. Brady , Yao Wang

Few-shot learning aims to recognize novel classes from a few examples. Although significant progress has been made in the image domain, few-shot video classification is relatively unexplored. We argue that previous methods underestimate the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 Yongqin Xian , Bruno Korbar , Matthijs Douze , Lorenzo Torresani , Bernt Schiele , Zeynep Akata

Completely blind video quality assessment (VQA) refers to a class of quality assessment methods that do not use any reference videos, human opinion scores or training videos from the target database to learn a quality model. The design of…

Image and Video Processing · Electrical Eng. & Systems 2024-06-25 Shankhanil Mitra , Rajiv Soundararajan