中文
相关论文

相关论文: Artifacts Detection and Error Block Analysis from …

200 篇论文

The strong temporal consistency of surveillance video enables compelling compression performance with traditional methods, but downstream vision applications operate on decoded image frames with a high data rate. Since it is not…

多媒体 · 计算机科学 2024-02-09 Andrew C. Freeman , Ketan Mayer-Patel , Montek Singh

Existing methods on audio-visual deepfake detection mainly focus on high-level features for modeling inconsistencies between audio and visual data. As a result, these approaches usually overlook finer audio-visual artifacts, which are…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Marcella Astrid , Enjie Ghorbel , Djamila Aouada

Although there have been notable advancements in video compression technologies in recent years, banding artifacts remain a serious issue affecting the quality of compressed videos, particularly on smooth regions of high-definition videos.…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Qi Zheng , Li-Heng Chen , Chenlong He , Neil Berkbeck , Yilin Wang , Balu Adsumilli , Alan C. Bovik , Yibo Fan , Zhengzhong Tu

In recent years, video analysis tools for automatically extracting meaningful information from videos are widely studied and deployed. Because most of them use deep neural networks which are computationally expensive, feeding only a subset…

计算机视觉与模式识别 · 计算机科学 2020-02-05 Hanhan Li , Pin Wang

Fake videos represent an important misinformation threat. While existing forensic networks have demonstrated strong performance on image forgeries, recent results reported on the Adobe VideoSham dataset show that these networks fail to…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Tai D. Nguyen , Shengbang Fang , Matthew C. Stamm

Although current text detection algorithms demonstrate effectiveness in general scenarios, their performance declines when confronted with artistic-style text featuring complex structures. This paper proposes a method that utilizes…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Aoxiang Ning , Yiting Wei , Minglong Xue , Senming Zhong

A current trend in industries such as semiconductors and foundry is to shift their visual inspection processes to Automatic Visual Inspection (AVI) systems, to reduce their costs, mistakes, and dependency on human experts. This paper…

计算机视觉与模式识别 · 计算机科学 2021-09-22 Masoud Jalayer , Reza Jalayer , Amin Kaboli , Carlotta Orsenigo , Carlo Vercellis

Research on video frame interpolation has made significant progress in recent years. However, existing methods mostly use off-the-shelf metrics to measure the quality of interpolation results with the exception of a few methods that employ…

计算机视觉与模式识别 · 计算机科学 2022-10-06 Qiqi Hou , Abhijay Ghildyal , Feng Liu

Reconstructing ghosting-free high dynamic range (HDR) images of dynamic scenes from a set of multi-exposure images is a challenging task, especially with large object motion and occlusions, leading to visible artifacts using existing…

计算机视觉与模式识别 · 计算机科学 2022-07-07 Qian Ye , Masanori Suganuma , Jun Xiao , Takayuki Okatani

We consider the problem of detecting objects, as they come into view, from videos in an online fashion. We provide the first real-time solution that is guaranteed to minimize the delay, i.e., the time between when the object comes in view…

计算机视觉与模式识别 · 计算机科学 2019-08-30 Dong Lao , Ganesh Sundaramoorthi

Image compression has been applied in the fields of image storage and video broadcasting. However, it's formidably tough to distinguish the subtle quality differences between those distorted images generated by different algorithms. In this…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Kaiqun Wu , Xiaoling Jiang , Rui Yu , Yonggang Luo , Tian Jiang , Xi Wu , Peng Wei

The vast number of existing IP cameras in current road networks is an opportunity to take advantage of the captured data and analyze the video and detect any significant events. For this purpose, it is necessary to detect moving vehicles, a…

计算机视觉与模式识别 · 计算机科学 2021-05-19 Iván García , Rafael Marcos Luque , Ezequiel López

A recent endeavor in one class of video anomaly detection is to leverage diffusion models and posit the task as a generation problem, where the diffusion model is trained to recover normal patterns exclusively, thus reporting abnormal…

计算机视觉与模式识别 · 计算机科学 2024-12-13 Hang Zhou , Jiale Cai , Yuteng Ye , Yonghui Feng , Chenxing Gao , Junqing Yu , Zikai Song , Wei Yang

We present a new, simple yet effective approach to uplift video object detection. We observe that prior works operate on instance-level feature aggregation that imminently neglects the refined pixel-level representation, resulting in…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Khurram Azeem Hashmi , Alain Pagani , Didier Stricker , Muhammamd Zeshan Afzal

Digital images and videos play a very important role in everyday life. Nowadays, people have access the affordable mobile devices equipped with advanced integrated cameras and powerful image processing applications. Technological…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Edgar Gonzalez Fernandez , Ana Lucila Sandoval Orozco , Luis Javier Garcia Villalba

Street networks are ubiquitous components of cities, guiding their development and enabling movement from place to place; street networks are also the critical components of many urban analytical methods. However, their graph representation…

计算机与社会 · 计算机科学 2024-02-13 Martin Fleischmann , Anastassia Vybornova

In this paper, we propose a new Transformer block for video future frames prediction based on an efficient local spatial-temporal separation attention mechanism. Based on this new Transformer block, a fully autoregressive video future…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Xi Ye , Guillaume-Alexandre Bilodeau

Banding artifact, or false contouring, is a common video compression impairment that tends to appear on large flat regions in encoded videos. These staircase-shaped color bands can be very noticeable in high-definition videos. Here we study…

图像与视频处理 · 电气工程与系统科学 2020-02-28 Zhengzhong Tu , Jessie Lin , Yilin Wang , Balu Adsumilli , Alan C. Bovik

Crime rate is increasing proportionally with the increasing rate of the population. The most prominent approach was to introduce Closed-Circuit Television (CCTV) camera-based surveillance to tackle the issue. Video surveillance cameras have…

计算机视觉与模式识别 · 计算机科学 2021-12-14 Tasnim Sakib Apon , Mushfiqul Islam Chowdhury , MD Zubair Reza , Arpita Datta , Syeda Tanjina Hasan , MD. Golam Rabiul Alam

The recurrent structure is a prevalent framework for the task of video super-resolution, which models the temporal dependency between frames via hidden states. When applied to real-world scenarios with unknown and complex degradations,…

计算机视觉与模式识别 · 计算机科学 2022-12-15 Liangbin Xie , Xintao Wang , Shuwei Shi , Jinjin Gu , Chao Dong , Ying Shan