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Applicant:
Indian Institute of Technology (IIT) Patna 
Title:
System And Method For Detection Of Banned Objects From Images In Real-Time Using Intelligence At The Edge 
Inventor(s):
Dr. Rajiv Mishra, Mr. Himnshu Shekhar, Mr. Sourasekhar Banerjee, Mr. Yashwant Singh Patel 
Applicant:
Indian Institute of Technology (IIT) Patna 
Application type:
Applied - 2020-02-15 
Application Number:
202031006618 
Applied at:
India 
Entered by:
Indian Institute of Technology (IIT) Patna 
Abstract:
The traditional way of detecting real-time objects using the cloud computing system was incurring substantial delay & cost in sending the raw data over the internet towards cloud for inferencing consumes high bandwidth, make the cloud busy, and it is costly due to public cloud usage for computation needs the intervention of the cloud on every action, hence not suitable for latency-sensitive and mission-critical operations. For latency-sensitive applications, the action must be taken close to the source( i.e., not at cloud). The proposed invention discloses a low cost distributed deep learning trained Cloud-IoT-Edge system to detect and classify banned objects in real-time with accuracy using low resource general-purpose computing hardware & devices made capable of inferencing for the response in realtime. The proposed invention solves the problem of latency sensitivity and massive bandwidth consumption using an integrated Cloud-IoT-Edge system. Here, Cloud- IoT-Edge System uses general-purpose computer hardware (as Edge System) connected to the camera ( i.e, IoT device) occasionally connected to Cloud for deriving/updating intelligence at the edge using dockers. Firstly, banned object detection model that was using faster R-CNN (Region- Convolutional neural network) was deployed on the edge device after dockerizing that object detection model, and it was capable of detecting the banned objects in real-time. If the detected object accuracy was not satisfiable(below some predefined threshold) or banned object classified wrongly which can be the case because object detection model does not include real-time data, then we sent the real-time data to the cloud services in our case Azure custom vision and there we made another object detection model using real-time images, performed training and testing there and after achieving the desired accuracy of the banned object we again do containerization of the model and deploy on the edge devices and then make prediction at the edge itself again and this process is repeated . The model should be retrained with new captured dataset after a particular time to improve the accuracy and lower the misclassification rate. 

 
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