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Related papers: Viewport-based Neural 360{\deg} Image Compression

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Most of existing superpixel methods are designed to segment standard planar images as pre-processing for computer vision pipelines. Nevertheless, the increasing number of applications based on wide angle capture devices, mainly generating…

Computer Vision and Pattern Recognition · Computer Science 2021-02-16 Rémi Giraud , Rodrigo Borba Pinheiro , Yannick Berthoumieu

Convolution neural network demonstrates great capability for multiple tasks, such as image classification and many others. However, much resource is required to train a network. Hence much effort has been made to accelerate neural network…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Fuyuan Lyu , Shien Zhu , Weichen Liu

It is shown that neural networks (NNs) achieve excellent performances in image compression and reconstruction. However, there are still many shortcomings in the practical application, which eventually lead to the loss of neural network…

Multimedia · Computer Science 2019-11-15 Zhiqing Lu , Zhaoxia Yin , Bin Luo

Recent implicit neural representations have shown great results for novel view synthesis. However, existing methods require expensive per-scene optimization from many views hence limiting their application to real-world unbounded urban…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Muhammad Zubair Irshad , Sergey Zakharov , Katherine Liu , Vitor Guizilini , Thomas Kollar , Adrien Gaidon , Zsolt Kira , Rares Ambrus

Preprocessing is a well-established technique for optimizing compression, yet existing methods are predominantly Rate-Distortion (R-D) optimized and constrained by pixel-level fidelity. This work pioneers a shift towards Rate-Perception…

Image and Video Processing · Electrical Eng. & Systems 2025-12-18 Mengxi Guo , Shijie Zhao , Junlin Li , Li Zhang

Lightweight and effective models are essential for devices with limited resources, such as intelligent vehicles. Structured pruning offers a promising approach to model compression and efficiency enhancement. However, existing methods often…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Jonas Schmitt , Ruiping Liu , Junwei Zheng , Jiaming Zhang , Rainer Stiefelhagen

Omni-directional cameras have many advantages overconventional cameras in that they have a much wider field-of-view (FOV). Accordingly, several approaches have beenproposed recently to apply convolutional neural networks(CNNs) to…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Yeonkun Lee , Jaeseok Jeong , Jongseob Yun , Wonjune Cho , Kuk-Jin Yoon

In recent years, there has been rapid development in learned image compression techniques that prioritize ratedistortion-perceptual compression, preserving fine details even at lower bit-rates. However, current learning-based image…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Peirong Ning , Wei Jiang , Ronggang Wang

Prior works have proposed several strategies to reduce the computational cost of self-attention mechanism. Many of these works consider decomposing the self-attention procedure into regional and local feature extraction procedures that each…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Ting Yao , Yehao Li , Yingwei Pan , Yu Wang , Xiao-Ping Zhang , Tao Mei

360{\deg} video is attracting an increasing amount of attention in the context of Virtual Reality (VR). Owing to its very high-resolution requirements, existing professional streaming services for 360{\deg} video suffer from severe…

Multimedia · Computer Science 2017-11-08 Cagri Ozcinar , Ana De Abreu , Aljosa Smolic

Nowadays, the compression performance of neural-networkbased image compression algorithms outperforms state-of-the-art compression approaches such as JPEG or HEIC-based image compression. Unfortunately, most neural-network based compression…

Image and Video Processing · Electrical Eng. & Systems 2023-06-30 Christian Herglotz , Fabian Brand , Andy Regensky , Felix Rievel , André Kaup

We present a new deep point cloud rendering pipeline through multi-plane projections. The input to the network is the raw point cloud of a scene and the output are image or image sequences from a novel view or along a novel camera…

Computer Vision and Pattern Recognition · Computer Science 2020-06-26 Peng Dai , Yinda Zhang , Zhuwen Li , Shuaicheng Liu , Bing Zeng

In this work, we introduce VQA 360, a novel task of visual question answering on 360 images. Unlike a normal field-of-view image, a 360 image captures the entire visual content around the optical center of a camera, demanding more…

Computer Vision and Pattern Recognition · Computer Science 2020-01-13 Shih-Han Chou , Wei-Lun Chao , Wei-Sheng Lai , Min Sun , Ming-Hsuan Yang

Conventional video compression approaches use the predictive coding architecture and encode the corresponding motion information and residual information. In this paper, taking advantage of both classical architecture in the conventional…

Image and Video Processing · Electrical Eng. & Systems 2019-04-09 Guo Lu , Wanli Ouyang , Dong Xu , Xiaoyun Zhang , Chunlei Cai , Zhiyong Gao

Existing techniques to compress point cloud attributes leverage either geometric or video-based compression tools. We explore a radically different approach inspired by recent advances in point cloud representation learning. Point clouds…

Image and Video Processing · Electrical Eng. & Systems 2020-06-23 Maurice Quach , Giuseppe Valenzise , Frederic Dufaux

We show how transformers can be used to vastly simplify neural video compression. Previous methods have been relying on an increasing number of architectural biases and priors, including motion prediction and warping operations, resulting…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Fabian Mentzer , George Toderici , David Minnen , Sung-Jin Hwang , Sergi Caelles , Mario Lucic , Eirikur Agustsson

The recent progress in artificial intelligence has led to an ever-increasing usage of images and videos by machine analysis algorithms, mainly neural networks. Nonetheless, compression, storage and transmission of media have traditionally…

Image and Video Processing · Electrical Eng. & Systems 2024-01-22 Jukka I. Ahonen , Nam Le , Honglei Zhang , Antti Hallapuro , Francesco Cricri , Hamed Rezazadegan Tavakoli , Miska M. Hannuksela , Esa Rahtu

Traditional image codecs emphasize signal fidelity and human perception, often at the expense of machine vision tasks. Deep learning methods have demonstrated promising coding performance by utilizing rich semantic embeddings optimized for…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Sha Guo , Zhuo Chen , Yang Zhao , Ning Zhang , Xiaotong Li , Lingyu Duan

In the field of autonomous driving, a variety of sensor data types exist, each representing different modalities of the same scene. Therefore, it is feasible to utilize data from other sensors to facilitate image compression. However, few…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Yiheng Jiang , Haotian Zhang , Li Li , Dong Liu , Zhu Li

A Scene, represented visually using different formats such as RGB-D, LiDAR scan, keypoints, rectangular, spherical, multi-views, etc., contains information implicitly embedded relevant to applications such as scene indexing, vision-based…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Preeti Meena , Himanshu Kumar , Sandeep Yadav