Vasileios Mezaris
Electrical and Computer Engineer, Ph.D.
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ONLINE DEMOS | |
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Interactive video summarizer. This web demo lets you submit videos in various formats and generate summaries for use in various social media channels. It uses our homegrown deep learning techniques for automated video summarization and aspect ratio transformation, combining them with an interactive user interface that allows the user to have editorial control over the final video summary. Try the demo with your choice of videos. | 
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AI Explainability demo. This web demo showcases the T-TAME method for explaining DNN-based image classifiers. You can upload an image from your local device and select the image classifier model to be used from a dropdown menu (supported: ViT-B-16, ResNet50, VGG16); then, view the classification decisions and the corresponding explanations (heatmaps) for the top-5 detected image classes. Try the demo with your own images. | 
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Keyframe selection and enhancement for video verification. This web service extracts a set of representative keyframes from a video, that can be used for performing reverse search on the Web; it additionally extracts and clusters faces and text regions appearing in the video, that can provide valuable cues for verification; and, enhances the extracted keyframes using super-resolution, so as to facilitate their further visual inspection. Try the service with your choice of videos. | 
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On-line video summarization. A web service that lets you submit videos in various formats, and uses a variation of our SoA Generative Adversarial Learning (GAN) summarization methods to automatically generate video summaries that are customized for use in various social media channels. Watch a 2-minute tutorial video for this service, and make the most out of your content by generating your own video summaries. | 
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On-line video smart-cropping. A web service similar to the summarization one, however adapting only the aspect ratio of the input video without changing the video's duration. The input video can be of any aspect ratio, and various popular target aspect ratios are supported. Try the service with your own videos. | 
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On-line video fragmentation and reverse image search. This service allows the user to extract a set of representative keyframes from a video, and to use these keyframes for performing reverse image search with the help of the Google Image Search functionality, in order to find out if this video has appeared before on the Web. To submit a video for analysis the user can either provide its URL (many online video sources are supported), or upload a local copy of it from his/her PC. Try the service yourself. | 
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