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This work presents an unsupervised learning based approach to the ubiquitous computer vision problem of image matching. We start from the insight that the problem of frame-interpolation implicitly solves for inter-frame correspondences.…

计算机视觉与模式识别 · 计算机科学 2016-03-30 Gucan Long , Laurent Kneip , Jose M. Alvarez , Hongdong Li

This thesis surveys the research in patch-based synthesis and algorithms for finding correspondences between small local regions of images. We additionally explore a large kind of applications of this new fast randomized matching technique.…

图形学 · 计算机科学 2020-05-14 Hadi Abdi Khojasteh

Video compression artifact reduction aims to recover high-quality videos from low-quality compressed videos. Most existing approaches use a single neighboring frame or a pair of neighboring frames (preceding and/or following the target…

图像与视频处理 · 电气工程与系统科学 2019-10-29 Yi Xu , Longwen Gao , Kai Tian , Shuigeng Zhou , Huyang Sun

Video Frame Interpolation synthesizes non-existent images between adjacent frames, with the aim of providing a smooth and consistent visual experience. Two approaches for solving this challenging task are optical flow based and kernel-based…

计算机视觉与模式识别 · 计算机科学 2021-05-13 Xi Li , Meng Cao , Yingying Tang , Scott Johnston , Zhendong Hong , Huimin Ma , Jiulong Shan

Upsampling videos of human activity is an interesting yet challenging task with many potential applications ranging from gaming to entertainment and sports broadcasting. The main difficulty in synthesizing video frames in this setting stems…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Hsuan-I Ho , Xu Chen , Jie Song , Otmar Hilliges

Video frame interpolation has been actively studied with the development of convolutional neural networks. However, due to the intrinsic limitations of kernel weight sharing in convolution, the interpolated frame generated by it may lose…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Pan Gao , Haoyue Tian , Jie Qin

We present a simple nearest-neighbor (NN) approach that synthesizes high-frequency photorealistic images from an "incomplete" signal such as a low-resolution image, a surface normal map, or edges. Current state-of-the-art deep generative…

计算机视觉与模式识别 · 计算机科学 2017-08-18 Aayush Bansal , Yaser Sheikh , Deva Ramanan

Visual synthesis has recently seen significant leaps in performance, largely due to breakthroughs in generative models. Diffusion models have been a key enabler, as they excel in image diversity. However, this comes at the cost of slow…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Johannes Schusterbauer , Ming Gui , Pingchuan Ma , Nick Stracke , Stefan A. Baumann , Vincent Tao Hu , Björn Ommer

Recently, flow-based frame interpolation methods have achieved great success by first modeling optical flow between target and input frames, and then building synthesis network for target frame generation. However, above cascaded…

计算机视觉与模式识别 · 计算机科学 2022-11-14 Lingtong Kong , Jinfeng Liu , Jie Yang

This paper considers an efficient video modeling process called Video Latent Flow Matching (VLFM). Unlike prior works, which randomly sampled latent patches for video generation, our method relies on current strong pre-trained image…

计算机视觉与模式识别 · 计算机科学 2025-02-05 Yang Cao , Zhao Song , Chiwun Yang

This paper addresses the challenge of dense pixel correspondence estimation between two images. This problem is closely related to optical flow estimation task where ConvNets (CNNs) have recently achieved significant progress. While optical…

计算机视觉与模式识别 · 计算机科学 2018-10-23 Iaroslav Melekhov , Aleksei Tiulpin , Torsten Sattler , Marc Pollefeys , Esa Rahtu , Juho Kannala

We propose a novel video frame interpolation algorithm based on asymmetric bilateral motion estimation (ABME), which synthesizes an intermediate frame between two input frames. First, we predict symmetric bilateral motion fields to…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Junheum Park , Chul Lee , Chang-Su Kim

In recent years, consumer-level depth cameras have been adopted for various applications. However, they often produce depth maps at only a moderately high frame rate (approximately 30 frames per second), preventing them from being used for…

图形学 · 计算机科学 2018-11-06 Ming-Ze Yuan , Lin Gao , Hongbo Fu , Shihong Xia

In this paper, we propose composable part-based manipulation (CPM), a novel approach that leverages object-part decomposition and part-part correspondences to improve learning and generalization of robotic manipulation skills. By…

机器人学 · 计算机科学 2024-05-10 Weiyu Liu , Jiayuan Mao , Joy Hsu , Tucker Hermans , Animesh Garg , Jiajun Wu

Video frame interpolation aims to synthesize one or multiple frames between two consecutive frames in a video. It has a wide range of applications including slow-motion video generation, frame-rate up-scaling and developing video codecs.…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Saikat Dutta , Arulkumar Subramaniam , Anurag Mittal

Video frame interpolation (VFI), which aims to synthesize intermediate frames of a video, has made remarkable progress with development of deep convolutional networks over past years. Existing methods built upon convolutional networks…

计算机视觉与模式识别 · 计算机科学 2022-05-17 Liying Lu , Ruizheng Wu , Huaijia Lin , Jiangbo Lu , Jiaya Jia

This work presents a supervised learning based approach to the computer vision problem of frame interpolation. The presented technique could also be used in the cartoon animations since drawing each individual frame consumes a noticeable…

计算机视觉与模式识别 · 计算机科学 2017-06-16 Vladislav Samsonov

Existing video stabilization methods often generate visible distortion or require aggressive cropping of frame boundaries, resulting in smaller field of views. In this work, we present a frame synthesis algorithm to achieve full-frame video…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Yu-Lun Liu , Wei-Sheng Lai , Ming-Hsuan Yang , Yung-Yu Chuang , Jia-Bin Huang

Motion estimation (ME) and motion compensation (MC) have been widely used for classical video frame interpolation systems over the past decades. Recently, a number of data-driven frame interpolation methods based on convolutional neural…

计算机视觉与模式识别 · 计算机科学 2019-09-06 Wenbo Bao , Wei-Sheng Lai , Xiaoyun Zhang , Zhiyong Gao , Ming-Hsuan Yang

Video Frame Interpolation (VFI) aims to synthesize non-existent intermediate frames between existent frames. Flow-based VFI algorithms estimate intermediate motion fields to warp the existent frames. Real-world motions' complexity and the…

计算机视觉与模式识别 · 计算机科学 2023-04-27 Chang Zhou , Jie Liu , Jie Tang , Gangshan Wu