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相关论文: AV1 Video Coding Using Texture Analysis With Convo…

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Scene text recognition with arbitrary shape is very challenging due to large variations in text shapes, fonts, colors, backgrounds, etc. Most state-of-the-art algorithms rectify the input image into the normalized image, then treat the…

计算机视觉与模式识别 · 计算机科学 2020-04-30 Xinjie Feng , Hongxun Yao , Yuankai Qi , Jun Zhang , Shengping Zhang

Estimating 3D human texture from a single image is essential in graphics and vision. It requires learning a mapping function from input images of humans with diverse poses into the parametric (UV) space and reasonably hallucinating…

计算机视觉与模式识别 · 计算机科学 2023-03-08 Said Fahri Altindis , Adil Meric , Yusuf Dalva , Ugur Gudukbay , Aysegul Dundar

This paper presents a framework for Convolutional Neural Network (CNN)-based quality enhancement task, by taking advantage of coding information in the compressed video signal. The motivation is that normative decisions made by the encoder…

图像与视频处理 · 电气工程与系统科学 2021-05-13 Fatemeh Nasiri , Wassim Hamidouche , Luce Morin , Nicolas Dhollande , Gildas Cocherel

Common state-of-the-art video codecs are optimized to deliver a low bitrate by providing a certain quality for the final human observer, which is achieved by rate-distortion optimization (RDO). But, with the steady improvement of neural…

图像与视频处理 · 电气工程与系统科学 2022-03-14 Kristian Fischer , Fabian Brand , Christian Herglotz , André Kaup

Video-quality measurement is a critical task in video processing. Nowadays, many implementations of new encoding standards - such as AV1, VVC, and LCEVC - use deep-learning-based decoding algorithms with perceptual metrics that serve as…

计算机视觉与模式识别 · 计算机科学 2023-02-08 Anastasia Antsiferova , Sergey Lavrushkin , Maksim Smirnov , Alexander Gushchin , Dmitriy Vatolin , Dmitriy Kulikov

This paper presents a video encoding method in which noise is encoded using a novel parametric model representing spectral envelope and spatial distribution of energy. The proposed method has been experimentally assessed using video test…

图像与视频处理 · 电气工程与系统科学 2019-09-04 Olgierd Stankiewicz

Texture is a visual attribute largely used in many problems of image analysis. Currently, many methods that use learning techniques have been proposed for texture discrimination, achieving improved performance over previous handcrafted…

计算机视觉与模式识别 · 计算机科学 2020-08-19 Lucas C. Ribas , Leonardo F. S. Scabini , Jarbas Joaci de Mesquita Sá Junior , Odemir M. Bruno

In video compression, coding efficiency is improved by reusing pixels from previously decoded frames via motion and residual compensation. We define two levels of hierarchical redundancy in video frames: 1) first-order: redundancy in pixel…

图像与视频处理 · 电气工程与系统科学 2022-09-21 Reza Pourreza , Hoang Le , Amir Said , Guillaume Sautiere , Auke Wiggers

Supervised pixel-based texture classification is usually performed in the feature space. We propose to perform this task in (dis)similarity space by introducing a new compression-based (dis)similarity measure. The proposed measure utilizes…

计算机视觉与模式识别 · 计算机科学 2013-11-27 Mehrdad J. Gangeh , Ali Ghodsi , Mohamed S. Kamel

Finding optimal correction of errors in generic stabilizer codes is a computationally hard problem, even for simple noise models. While this task can be simplified for codes with some structure, such as topological stabilizer codes,…

量子物理 · 物理学 2019-06-05 Nishad Maskara , Aleksander Kubica , Tomas Jochym-O'Connor

Very recently neural implicit rendering techniques have been rapidly evolved and shown great advantages in novel view synthesis and 3D scene reconstruction. However, existing neural rendering methods for editing purposes offer limited…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Bangbang Yang , Chong Bao , Junyi Zeng , Hujun Bao , Yinda Zhang , Zhaopeng Cui , Guofeng Zhang

The strong demand of autonomous driving in the industry has lead to strong interest in 3D object detection and resulted in many excellent 3D object detection algorithms. However, the vast majority of algorithms only model single-frame data,…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Zhenxun Yuan , Xiao Song , Lei Bai , Wengang Zhou , Zhe Wang , Wanli Ouyang

Video frame interpolation is an increasingly important research task with several key industrial applications in the video coding, broadcast and production sectors. Recently, transformers have been introduced to the field resulting in…

计算机视觉与模式识别 · 计算机科学 2023-07-14 Issa Khalifeh , Luka Murn , Marta Mrak , Ebroul Izquierdo

Arithmetic coding is an essential class of coding techniques. One key issue of arithmetic encoding method is to predict the probability of the current coding symbol from its context, i.e., the preceding encoded symbols, which usually can be…

计算机视觉与模式识别 · 计算机科学 2018-07-04 Mu Li , Shuhang Gu , David Zhang , Wangmeng Zuo

A depth image provides partial geometric information of a 3D scene, namely the shapes of physical objects as observed from a particular viewpoint. This information is important when synthesizing images of different virtual camera viewpoints…

多媒体 · 计算机科学 2016-12-26 Yuan Yuan , Gene Cheung , Patrick Le Callet , Pascal Frossard , Hong Vicky Zhao

We propose a neural network model to estimate the current frame from two reference frames, using affine transformation and adaptive spatially-varying filters. The estimated affine transformation allows for using shorter filters compared to…

图像与视频处理 · 电气工程与系统科学 2021-02-18 Hyomin Choi , Ivan V. Bajić

We introduce a novel approach to generate diverse high fidelity texture maps for 3D human meshes in a semi-supervised setup. Given a segmentation mask defining the layout of the semantic regions in the texture map, our network generates…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Bindita Chaudhuri , Nikolaos Sarafianos , Linda Shapiro , Tony Tung

Video generation powers a vast array of downstream applications. However, while the de facto standard, i.e., latent diffusion models, typically employ heavily conditioned denoising networks, their decoders often remain unconditional. We…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Xiang Fan , Yuheng Wang , Bohan Fang , Zhongzheng Ren , Ranjay Krishna

Random network coding recently attracts attention as a technique to disseminate information in a network. This paper considers a non-coherent multi-shot network, where the unknown and time-variant network is used several times. In order to…

信息论 · 计算机科学 2016-11-17 Antonia Wachter-Zeh , Markus Stinner , Vladimir Sidorenko

A novel decoding algorithm is developed for general quantum convolutional codes. Exploiting useful ideas from classical coding theory, the new decoder introduces two innovations that drastically reduce the decoding complexity compared to…

量子物理 · 物理学 2015-03-13 Peiyu Tan , Jing Li