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With the rapid growth of surveillance cameras in many public places to mon-itor human activities such as in malls, streets, schools and, prisons, there is a strong demand for such systems to detect violence events automatically. Au-tomatic…

计算机视觉与模式识别 · 计算机科学 2022-04-18 Heyam M. Bin Jahlan , Lamiaa A. Elrefaei

In this paper, we propose to detect forged videos, of faces, in online videos. To facilitate this detection, we propose to use smaller (fewer parameters to learn) convolutional neural networks (CNN), for a data-driven approach to forged…

计算机视觉与模式识别 · 计算机科学 2020-05-19 Neilesh Sambhu , Shaun Canavan

Digital image forensics aims to detect images that have been digitally manipulated. Realistic image forgeries involve a combination of splicing, resampling, region removal, smoothing and other manipulation methods. While most detection…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Lakshmanan Nataraj , Michael Goebel , Tajuddin Manhar Mohammed , Shivkumar Chandrasekaran , B. S. Manjunath

The digital images from various sources are ubiquitous due to easy availability of high bandwidth Internet. Digital images are easy to tamper with good or bad intentions. Non-availability of pre-embedded information in digital images makes…

计算机视觉与模式识别 · 计算机科学 2022-04-20 Kshipra Tatkare , Manoj Devare

Tampering or forgery of digital documents has become widespread, most commonly through altering images without any malicious intent such as enhancing the overall appearance of the image. However, there are occasions when tampering of…

密码学与安全 · 计算机科学 2025-07-02 Gabriel Grobler , Sheunesu Makura , Hein Venter

Recently the use of video surveillance systems is widely increasing. Different places are equipped by camera surveillances such as hospitals, schools, airports, museums and military places in order to ensure the safety and security of the…

计算机视觉与模式识别 · 计算机科学 2016-08-09 Mabrouka Hagui , Mohamed Ali Mahjoub , Ahmed Boukhris

Video DeepFakes are fake media created with Deep Learning (DL) that manipulate a person's expression or identity. Most current DeepFake detection methods analyze each frame independently, ignoring inconsistencies and unnatural movements…

计算机视觉与模式识别 · 计算机科学 2024-02-26 Peter Grönquist , Yufan Ren , Qingyi He , Alessio Verardo , Sabine Süsstrunk

With the widespread use of installed cameras, video-based monitoring approaches have seized considerable attention for different purposes like assisted living. Temporal redundancy and the sheer size of raw videos are the two most common…

计算机视觉与模式识别 · 计算机科学 2022-09-30 Ali Abdari , Pouria Amirjan , Azadeh Mansouri

With the rapid progress of recent years, techniques that generate and manipulate multimedia content can now guarantee a very advanced level of realism. The boundary between real and synthetic media has become very thin. On the one hand,…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Luisa Verdoliva

There are concerns that new approaches to the synthesis of high quality face videos may be misused to manipulate videos with malicious intent. The research community therefore developed methods for the detection of modified footage and…

计算机视觉与模式识别 · 计算机科学 2021-06-03 Gereon Fox , Wentao Liu , Hyeongwoo Kim , Hans-Peter Seidel , Mohamed Elgharib , Christian Theobalt

The data storage has been one of the bottlenecks in surveillance systems. The conventional video compression algorithms such as H.264 and H.265 do not fully utilize the low information density characteristic of the surveillance video. In…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Lirong Wu , Kejie Huang , Haibin Shen , Lianli Gao

Deeplearning has been used to solve complex problems in various domains. As it advances, it also creates applications which become a major threat to our privacy, security and even to our Democracy. Such an application which is being…

计算机视觉与模式识别 · 计算机科学 2020-09-17 Rahul U , Ragul M , Raja Vignesh K , Tejeswinee K

With the immense number of videos being uploaded to the video sharing sites, issue of copyright infringement arises with uploading of illicit copies or transformed versions of original video. Thus safeguarding copyright of digital media has…

计算机视觉与模式识别 · 计算机科学 2016-10-31 Sanket Shinde , Girija Chiddarwar

In recent years, video analysis using Artificial Intelligence (AI) has been widely used, due to the remarkable development of image recognition technology using deep learning. In 2019, the Moving Picture Experts Group (MPEG) has started…

计算机视觉与模式识别 · 计算机科学 2023-05-31 Takahiro Shindo , Taiju Watanabe , Kein Yamada , Hiroshi Watanabe

Altered and manipulated multimedia is increasingly present and widely distributed via social media platforms. Advanced video manipulation tools enable the generation of highly realistic-looking altered multimedia. While many methods have…

Securing multimedia data has become of utmost importance especially in the applications related to military purposes. With the rise in development in computer and internet technology, multimedia data has become the most convenient method…

密码学与安全 · 计算机科学 2013-03-17 Ajay Kulkarni , Saurabh Kulkarni , Ketki Haridas , Aniket More

In recent years, display intensity and contrast have increased considerably. Many displays support high dynamic range (HDR) and 10-bit color depth. Since high bit-depth is an emerging technology, video content is still largely shot and…

计算机视觉与模式识别 · 计算机科学 2022-11-10 Nickolay Safonov , Dmitriy Vatolin

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…

图像与视频处理 · 电气工程与系统科学 2019-04-09 Guo Lu , Wanli Ouyang , Dong Xu , Xiaoyun Zhang , Chunlei Cai , Zhiyong Gao

Significant advances in video compression system have been made in the past several decades to satisfy the nearly exponential growth of Internet-scale video traffic. From the application perspective, we have identified three major…

图像与视频处理 · 电气工程与系统科学 2021-01-19 Dandan Ding , Zhan Ma , Di Chen , Qingshuang Chen , Zoe Liu , Fengqing Zhu

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…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Takahiro Shindo , Taiju Watanabe , Kein Yamada , Hiroshi Watanabe