English
Related papers

Related papers: Impact of Video Compression Artifacts on Fisheye C…

200 papers

Classical video coding for satisfying humans as the final user is a widely investigated field of studies for visual content, and common video codecs are all optimized for the human visual system (HVS). But are the assumptions and…

Image and Video Processing · Electrical Eng. & Systems 2022-03-14 Kristian Fischer , Christian Herglotz , André Kaup

Learning-based lossless image compression employs pixel-based or subimage-based auto-regression for probability estimation, which achieves desirable performances. However, the existing works only consider context dependencies in one…

Image and Video Processing · Electrical Eng. & Systems 2025-03-17 Tiantian Li , Qunbing Xia , Yue Li , Ruixiao Guo , Gaobo Yang

This paper investigates the efficacy of jointly optimizing content-specific post-processing filters to adapt a human oriented video/image codec into a codec suitable for machine vision tasks. By observing that artifacts produced by…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Honglei Zhang , Jukka I. Ahonen , Nam Le , Ruiying Yang , Francesco Cricri

Near field depth estimation around a self driving car is an important function that can be achieved by four wide angle fisheye cameras having a field of view of over 180. Depth estimation based on convolutional neural networks (CNNs)…

Computer Vision and Pattern Recognition · Computer Science 2018-09-25 Varun Ravi Kumar , Stefan Milz , Martin Simon , Christian Witt , Karl Amende , Johannes Petzold , Senthil Yogamani , Timo Pech

Lossy image compression algorithms are pervasively used to reduce the size of images transmitted over the web and recorded on data storage media. However, we pay for their high compression rate with visual artifacts degrading the user…

Computer Vision and Pattern Recognition · Computer Science 2018-01-30 Lukas Cavigelli , Pascal Hager , Luca Benini

With advances in image recognition technology based on deep learning, automatic video analysis by Artificial Intelligence is becoming more widespread. As the amount of video used for image recognition increases, efficient compression…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Takahiro Shindo , Taiju Watanabe , Kein Yamada , Hiroshi Watanabe

Video coding technology has been continuously improved for higher compression ratio with higher resolution. However, the state-of-the-art video coding standards, such as H.265/HEVC and Versatile Video Coding, are still designed with the…

Image and Video Processing · Electrical Eng. & Systems 2022-11-22 Daniel Wood

Recently, learned video compression has drawn lots of attention and show a rapid development trend with promising results. However, the previous works still suffer from some criticial issues and have a performance gap with traditional…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Yibo Shi , Yunying Ge , Jing Wang , Jue Mao

Deep neural networks have recently advanced the state-of-the-art in image compression and surpassed many traditional compression algorithms. The training of such networks involves carefully trading off entropy of the latent representation…

Image and Video Processing · Electrical Eng. & Systems 2020-11-03 Maurice Weber , Cedric Renggli , Helmut Grabner , Ce Zhang

Lossy compression introduces complex compression artifacts, particularly blocking artifacts, ringing effects and blurring. Existing algorithms either focus on removing blocking artifacts and produce blurred output, or restore sharpened…

Computer Vision and Pattern Recognition · Computer Science 2016-08-10 Ke Yu , Chao Dong , Chen Change Loy , Xiaoou Tang

A 360{\deg} perception of scene geometry is essential for automated driving, notably for parking and urban driving scenarios. Typically, it is achieved using surround-view fisheye cameras, focusing on the near-field area around the vehicle.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-12 Varun Ravi Kumar , Marvin Klingner , Senthil Yogamani , Markus Bach , Stefan Milz , Tim Fingscheidt , Patrick Mäder

Real time vehicle detection is a challenging task for urban traffic surveillance. Increase in urbanization leads to increase in accidents and traffic congestion in junction areas resulting in delayed travel time. In order to solve these…

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

Computer vision has become a popular tool in intelligent transportation systems (ITS), enabling various applications through roadside traffic cameras that capture video and transmit it in real time to computing devices within the same…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Abyad Enan , Jon C Calhoun , Mashrur Chowdhury

Surround-view cameras are a primary sensor for automated driving, used for near-field perception. It is one of the most commonly used sensors in commercial vehicles primarily used for parking visualization and automated parking. Four…

Computer Vision and Pattern Recognition · Computer Science 2023-01-03 Ahmed Rida Sekkat , Yohan Dupuis , Varun Ravi Kumar , Hazem Rashed , Senthil Yogamani , Pascal Vasseur , Paul Honeine

This study investigates the effectiveness of modern Deformable Convolutional Neural Networks (DCNNs) for semantic segmentation tasks, particularly in autonomous driving scenarios with fisheye images. These images, providing a wide field of…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Anam Manzoor , Aryan Singh , Ganesh Sistu , Reenu Mohandas , Eoin Grua , Anthony Scanlan , Ciarán Eising

This study addresses the evolving challenges in urban traffic monitoring detection systems based on fisheye lens cameras by proposing a framework that improves the efficacy and accuracy of these systems. In the context of urban…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Dai Quoc Tran , Armstrong Aboah , Yuntae Jeon , Maged Shoman , Minsoo Park , Seunghee Park

An ever increasing amount of our digital communication, media consumption, and content creation revolves around videos. We share, watch, and archive many aspects of our lives through them, all of which are powered by strong video…

Computer Vision and Pattern Recognition · Computer Science 2018-04-20 Chao-Yuan Wu , Nayan Singhal , Philipp Krähenbühl

This paper proposes an efficient autonomous valet parking system utilizing only cameras which are the most widely used sensor. To capture more information instantaneously and respond rapidly to changes in the surrounding environment,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-28 Young Gon Jo , Seok Hyeon Hong , Sung Soo Hwang , Jeong Mok Ha

Understanding the surrounding environment of the vehicle is still one of the challenges for autonomous driving. This paper addresses 360-degree road scene semantic segmentation using surround view cameras, which are widely equipped in…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Liuyuan Deng , Ming Yang , Hao Li , Tianyi Li , Bing Hu , Chunxiang Wang
‹ Prev 1 4 5 6 7 8 10 Next ›