中文
相关论文

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

200 篇论文

The blocking artifact frequently appears in compressed real-world images or video sequences, especially coded at low bit rates, which is visually annoying and likely hurts the performance of many computer vision algorithms. A compressed…

计算机视觉与模式识别 · 计算机科学 2015-07-07 Xiaojie Guo

In this study, we formulate the task of Video Anomaly Detection as a probabilistic analysis of object bounding boxes. We hypothesize that the representation of objects via their bounding boxes only, can be sufficient to successfully…

计算机视觉与模式识别 · 计算机科学 2024-11-11 Mia Siemon , Thomas B. Moeslund , Barry Norton , Kamal Nasrollahi

The aim of this research is to detect small objects with low resolution and noise. The existing real time object detection algorithm is based on the deep neural network of convolution need to perform multilevel convolution and pooling…

计算机视觉与模式识别 · 计算机科学 2020-11-13 Al-Akhir Nayan , Joyeta Saha , Ahamad Nokib Mozumder , Khan Raqib Mahmud , Abul Kalam Al Azad

Rapid advancements in video diffusion models have enabled the creation of realistic videos, raising concerns about unauthorized use and driving the demand for techniques to protect model ownership. Existing watermarking methods, while…

计算机视觉与模式识别 · 计算机科学 2025-03-31 MinHyuk Jang , Youngdong Jang , JaeHyeok Lee , Feng Yang , Gyeongrok Oh , Jongheon Jeong , Sangpil Kim

Video anomaly detection is an essential but challenging task. The prevalent methods mainly investigate the reconstruction difference between normal and abnormal patterns but ignore the semantics consistency between appearance and motion…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Xiangyu Huang , Caidan Zhao , Zhiqiang Wu

Anomaly detection is a challenging problem in intelligent video surveillance. Most existing methods are computation consuming, which cannot satisfy the real-time requirement. In this paper, we propose a real-time anomaly detection framework…

计算机视觉与模式识别 · 计算机科学 2018-12-13 Huihui Zhu , Bin Liu , Guojun Yin , Yan Lu , Weihai Li , Nenghai Yu

Object detection in videos is an important task in computer vision for various applications such as object tracking, video summarization and video search. Although great progress has been made in improving the accuracy of object detection…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Athindran Ramesh Kumar , Balaraman Ravindran , Anand Raghunathan

Optical flow, which expresses pixel displacement, is widely used in many computer vision tasks to provide pixel-level motion information. However, with the remarkable progress of the convolutional neural network, recent state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2021-11-11 Ruibing Jin , Guosheng Lin , Changyun Wen , Jianliang Wang , Fayao Liu

We propose a novel unsupervised approach based on a two-stage object-centric adversarial framework that only needs object regions for detecting frame-level local anomalies in videos. The first stage consists in learning the correspondence…

计算机视觉与模式识别 · 计算机科学 2020-11-16 Pankaj Raj Roy , Guillaume-Alexandre Bilodeau , Lama Seoud

Object detection serves as a significant step in improving performance of complex downstream computer vision tasks. It has been extensively studied for many years now and current state-of-the-art 2D object detection techniques proffer…

计算机视觉与模式识别 · 计算机科学 2022-02-08 Prithwish Jana , Partha Pratim Mohanta

Deep learning-based video compression is a challenging task, and many previous state-of-the-art learning-based video codecs use optical flows to exploit the temporal correlation between successive frames and then compress the residual…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Wufei Ma , Jiahao Li , Bin Li , Yan Lu

Recent advances in deepfake generating algorithms that produce manipulated media have had dangerous implications in privacy, security and mass communication. Efforts to combat this issue have risen in the form of competitions and funding…

计算机视觉与模式识别 · 计算机科学 2020-07-20 Armaan Pishori , Brittany Rollins , Nicolas van Houten , Nisha Chatwani , Omar Uraimov

The lossy compression techniques produce various artifacts like blurring, distortion at block bounders, ringing and contouring effects on outputs especially at low bit rates. To reduce those compression artifacts various Convolutional…

图像与视频处理 · 电气工程与系统科学 2020-01-01 K. R. Rao , Ninad Gorey

Controlling crystalline material defects is crucial, as they affect properties of the material that may be detrimental or beneficial for the final performance of a device. Defect analysis on the sub-nanometer scale is enabled by…

材料科学 · 物理学 2021-06-03 Nik Dennler , Antonio Foncubierta-Rodriguez , Titus Neupert , Marilyne Sousa

With the rapid advancement of deep learning, particularly through generative adversarial networks (GANs) and diffusion models (DMs), AI-generated images, or ``deepfakes", have become nearly indistinguishable from real ones. These images are…

计算机视觉与模式识别 · 计算机科学 2025-06-26 Manyi Li , Renshuai Tao , Yufan Liu , Chuangchuang Tan , Haotong Qin , Bing Li , Yunchao Wei , Yao Zhao

Deepfakes is a branch of malicious techniques that transplant a target face to the original one in videos, resulting in serious problems such as infringement of copyright, confusion of information, or even public panic. Previous efforts for…

计算机视觉与模式识别 · 计算机科学 2021-04-12 Zekun Sun , Yujie Han , Zeyu Hua , Na Ruan , Weijia Jia

The advent of high-quality video generation models has amplified the need for robust watermarking schemes that can be used to reliably detect and track the provenance of generated videos. Existing video watermarking methods based on both…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Samar Fares , Nurbek Tastan , Karthik Nandakumar

The increasing realism of AI-generated imagery poses challenges for verifying visual authenticity. We present an explainable image authenticity detection system that combines a lightweight convolutional classifier ("Faster-Than-Lies") with…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Aryan Mathur , Asaduddin Ahmed , Pushti Amit Vasoya , Simeon Kandan Sonar , Yasir Z , Madesh Kuppusamy

Endoscopic artifacts are a core challenge in facilitating the diagnosis and treatment of diseases in hollow organs. Precise detection of specific artifacts like pixel saturations, motion blur, specular reflections, bubbles and debris is…

The detection and localization of quality-related problems in industrially mass-produced products has historically relied on manual inspection, which is costly and error-prone. Machine learning has the potential to replace manual handling.…

机器学习 · 计算机科学 2025-06-23 Sebastian Hönel , Jonas Nordqvist