Subsense a universal change detection method with local adaptive sensitivity
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Subsense is a universal change detection method for foreground/background segmentation in video sequences. It relies on spatiotemporal binary features and color information to detect changes, allowing camouflaged foreground objects to be detected more easily while ignoring most illumination variations. Subsense uses pixel-level feedback loops to dynamically adjust its internal parameters without user intervention, based on monitoring model fidelity and local segmentation noise levels. This enables it to outperform 32 state-of-the-art methods on standard datasets, achieving real-time processing speed on a desktop CPU using its available C++ implementation.
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Shakas Technologies ( Galaxy of Knowledge)
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Mobile : +91-9500218218 / 8220150373| land line- 0416- 3552723
Shakas Training & Development | Shakas Sales & Services | Shakas Educational Trust|IEEE projects | Research & Development | Journal Publication |
Email : info@shakastech.com | shakastech@gmail.com |
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This document presents an adaptive Gaussian mixture model (AGMM) approach for background subtraction and shadow detection in real-time video surveillance applications. The AGMM method models each pixel as a mixture of Gaussians and can adapt to changing lighting and repetitive motions. Shadows are detected using the Horpresert color model, which measures brightness and chromaticity distortions to identify shadow pixels. Test results show the AGMM approach can achieve real-time background subtraction at 20 frames per second and effectively detect shadows. The proposed method does not require pre-defined background models and can operate adaptively in different environments and illumination conditions, making it suitable for security and surveillance applications.An adaptive gmm approach to background subtraction for application in real ti...
Abstract Efficient security management has become an important parameter in today’s world. As the problem is growing, there is an urgent need for the introduction of advanced technology and equipment to improve the state-of art of surveillance. In this paper we propose a model for real time background subtraction using AGMM. The proposed model is robust and adaptable to dynamic background, fast illumination changes, repetitive motion. Also we have incorporated a method for detecting shadows using the Horpresert color model. The proposed model can be employed for monitoring areas where movement or entry is highly restricted. So on detection of any unexpected events in the scene an alarm can be triggered and hence we can achieve real time surveillance even in the absence of constant human monitoring. Keywords-Background subtraction, Adaptive Gaussian Mixture model (AGMM), surveillance, Horpresert color model.
An adaptive gmm approach to background subtraction for application in real ti...
Abstract Efficient security management has become an important parameter in today’s world. As the problem is growing, there is an urgent need for the introduction of advanced technology and equipment to improve the state-of art of surveillance. In this paper we propose a model for real time background subtraction using AGMM. The proposed model is robust and adaptable to dynamic background, fast illumination changes, repetitive motion. Also we have incorporated a method for detecting shadows using the Horpresert color model. The proposed model can be employed for monitoring areas where movement or entry is highly restricted. So on detection of any unexpected events in the scene an alarm can be triggered and hence we can achieve real time surveillance even in the absence of constant human monitoring. Keywords-Background subtraction, Adaptive Gaussian Mixture model (AGMM), surveillance, Horpresert color model.
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UiPath Test Automation using UiPath Test Suite series, part 6
Welcome to UiPath Test Automation using UiPath Test Suite series part 6. In this session, we will cover Test Automation with generative AI and Open AI.
UiPath Test Automation with generative AI and Open AI webinar offers an in-depth exploration of leveraging cutting-edge technologies for test automation within the UiPath platform. Attendees will delve into the integration of generative AI, a test automation solution, with Open AI advanced natural language processing capabilities.
Throughout the session, participants will discover how this synergy empowers testers to automate repetitive tasks, enhance testing accuracy, and expedite the software testing life cycle. Topics covered include the seamless integration process, practical use cases, and the benefits of harnessing AI-driven automation for UiPath testing initiatives. By attending this webinar, testers, and automation professionals can gain valuable insights into harnessing the power of AI to optimize their test automation workflows within the UiPath ecosystem, ultimately driving efficiency and quality in software development processes.
What will you get from this session?
1. Insights into integrating generative AI.
2. Understanding how this integration enhances test automation within the UiPath platform
3. Practical demonstrations
4. Exploration of real-world use cases illustrating the benefits of AI-driven test automation for UiPath
Topics covered:
What is generative AI
Test Automation with generative AI and Open AI.
UiPath integration with generative AI
Speaker:
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
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Subsense a universal change detection method with local adaptive sensitivity
- 1. 2020 – 2021 #13/ 19, 1st Floor, Municipal Colony, Kangayanellore Road, Gandhi Nagar, Vellore – 6. Off: 0416-2247353 Mo: +91 9500218218 / +91 8220150373 Website: www.shakastech.com, Email - id: shakastech@gmail.com, info@shakastech.com SUBSENSE: A Universal Change Detection MethodWith Local Adaptive Sensitivity Abstract: Foreground/background segmentation via change detection in video sequences is often used as a stepping stone in high-level analytics and applications. Despite the wide variety of methods that have been proposed for this problem, none has been able to fully address the complex nature of dynamic scenes in real surveillance tasks. In this paper, we present a universal pixel-level segmentation method that relies on spatiotemporal binary features as well as color information to detect changes. This allows camouflaged foreground objects to be detected more easily while most illumination variations are ignored. Besides, instead of using manually set, frame-wide constants to dictate model sensitivity and adaptation speed, we use pixel-level feedback loops to dynamically adjust our method's internal parameters without user intervention. These adjustments are based on the continuous monitoring of model fidelity and local segmentation noise levels. This new approach enables us to outperform all 32 previously tested state-of-the-art methods on the 2012 and 2014 versions of the ChangeDetection.net dataset in terms of overall F-Measure. The use of local binary image descriptors for pixel-level modeling also facilitates high-speed parallel implementations: our own version, which used no low-level or architecture-specific instruction, reached real-time processing speed on a midlevel desktop CPU. A complete C++ implementation based on OpenCV is available online.