Topic 1 Question 49
An office security agency conducted a successful pilot using 100 cameras installed at key locations within the main office. Images from the cameras were uploaded to Amazon S3 and tagged using Amazon Rekognition, and the results were stored in Amazon ES. The agency is now looking to expand the pilot into a full production system using thousands of video cameras in its office locations globally. The goal is to identify activities performed by non-employees in real time Which solution should the agency consider?
Use a proxy server at each local office and for each camera, and stream the RTSP feed to a unique Amazon Kinesis Video Streams video stream. On each stream, use Amazon Rekognition Video and create a stream processor to detect faces from a collection of known employees, and alert when non-employees are detected.
Use a proxy server at each local office and for each camera, and stream the RTSP feed to a unique Amazon Kinesis Video Streams video stream. On each stream, use Amazon Rekognition Image to detect faces from a collection of known employees and alert when non-employees are detected.
Install AWS DeepLens cameras and use the DeepLens_Kinesis_Video module to stream video to Amazon Kinesis Video Streams for each camera. On each stream, use Amazon Rekognition Video and create a stream processor to detect faces from a collection on each stream, and alert when non-employees are detected.
Install AWS DeepLens cameras and use the DeepLens_Kinesis_Video module to stream video to Amazon Kinesis Video Streams for each camera. On each stream, run an AWS Lambda function to capture image fragments and then call Amazon Rekognition Image to detect faces from a collection of known employees, and alert when non-employees are detected.
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Answer is "A". C and D are out as DeepLens is not offered as a commercial product. It is purely for developers to experiment with. From https://aws.amazon.com/deeplens/device-terms-of-use/ " (i) you may use the AWS DeepLens Device for personal, educational, evaluation, development, and testing purposes, and not to process your production workloads;"
A is correct as it's will analyse live video streams instead of images. From https://aws.amazon.com/rekognition/video-features/ "Amazon Rekognition Video can identify known people in a video by searching against a private repository of face images. "
👍 34scuzzy20102021/10/17Why not A? DeepLens is for development purpose and much more expensive than just a camera. They are referring to 1000 camera in production scale?
👍 12WWODIN2021/09/23Answer is "A". C and D are out because DeepLens is NOT a commercial product, it's sold only to developers. A mentions 'stream processor' , and as mentioned here is specifically used to detect and recognise faces in streaming video -> (https://docs.aws.amazon.com/rekognition/latest/dg/API_CreateStreamProcessor.html) "Amazon Rekognition stream processor that you can use to detect and recognize faces in a streaming video."
👍 4scuzzy20102021/10/22
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