video detection
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Micromachines ◽  
2021 ◽  
Vol 13 (1) ◽  
pp. 72
Author(s):  
Dengshan Li ◽  
Rujing Wang ◽  
Peng Chen ◽  
Chengjun Xie ◽  
Qiong Zhou ◽  
...  

Video object and human action detection are applied in many fields, such as video surveillance, face recognition, etc. Video object detection includes object classification and object location within the frame. Human action recognition is the detection of human actions. Usually, video detection is more challenging than image detection, since video frames are often more blurry than images. Moreover, video detection often has other difficulties, such as video defocus, motion blur, part occlusion, etc. Nowadays, the video detection technology is able to implement real-time detection, or high-accurate detection of blurry video frames. In this paper, various video object and human action detection approaches are reviewed and discussed, many of them have performed state-of-the-art results. We mainly review and discuss the classic video detection methods with supervised learning. In addition, the frequently-used video object detection and human action recognition datasets are reviewed. Finally, a summarization of the video detection is represented, e.g., the video object and human action detection methods could be classified into frame-by-frame (frame-based) detection, extracting-key-frame detection and using-temporal-information detection; the methods of utilizing temporal information of adjacent video frames are mainly the optical flow method, Long Short-Term Memory and convolution among adjacent frames.


2021 ◽  
Author(s):  
H. Kishara Buddika Jayasanka ◽  
B. M. Rashitha Dileeshan Batugedara ◽  
K. D. C. D. Ruwan Diyunuge ◽  
T. H. D. Yehan Malith Jayasekara ◽  
Dilani Lunugalage ◽  
...  

2021 ◽  
Author(s):  
Shiming Ge ◽  
Fanzhao Lin ◽  
Chenyu Li ◽  
Daichi Zhang ◽  
Jiyong Tan ◽  
...  

Author(s):  
Nazmun Nessa Moon ◽  
Imrus Salehin ◽  
Masuma Parvin ◽  
Md. Mehedi Hasan ◽  
Iftakhar Mohammad Talha ◽  
...  

<span>In this study we have described the process of identifying unnecessary video using an advanced combined method of natural language processing and machine learning. The system also includes a framework that contains analytics databases and which helps to find statistical accuracy and can detect, accept or reject unnecessary and unethical video content. In our video detection system, we extract text data from video content in two steps, first from video to MPEG-1 audio layer 3 (MP3) and then from MP3 to WAV format. We have used the text part of natural language processing to analyze and prepare the data set. We use both Naive Bayes and logistic regression classification algorithms in this detection system to determine the best accuracy for our system. In our research, our video MP4 data has converted to plain text data using the python advance library function. This brief study discusses the identification of unauthorized, unsocial, unnecessary, unfinished, and malicious videos when using oral video record data. By analyzing our data sets through this advanced model, we can decide which videos should be accepted or rejected for the further actions.</span>


2021 ◽  
Author(s):  
Min Zhang ◽  
Xiaohan Liu ◽  
Chenyu Liu ◽  
Xueqi Zhang ◽  
Haiyong Xie

Author(s):  
Yuxiang Xie ◽  
Jie Yan ◽  
Xidao Luan ◽  
Quanzhi Gong ◽  
Jiahui Zhang ◽  
...  

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