Challenges Leverage CBIR Video TREC Summary:
{"Image DocumentName": "Challenges Leverage CBIR Video TREC Summary:", "Image ImageDescription": "Text based retrieval still is much better than non-text based searches. Visual queries have poor MAP, but amenable for interactive search. Commercial detectors work okay with broadcast news, but not okay with documentaries with no commercials. (also face detection) Visual features are seldom useful: Not without exceptions, edge detectors usually helped only in aircraft and animal categories when color features were not as discriminative. ASR was not as useful in tasks such as shot detection (as opposed to indexing whole clip). OCR is more closer to the actual occurrence of the word. Successful Approaches in the TREC Video Retrieval Evaluations , Alexander Hauptmann, Michael Christel, ACM Multimedia Video Retrieval using Speech and Image Information , Alex Hauptmann et al.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}