O'Connor, N.E.

video topic search participant system user interface experiment interface ins task retrieval number figure similarity search kis task image trecvid similarity concept score result media vision query computer vision media professionals component university trecvid workshop middleware user experiments fi gure netherlands institute technology participation proceeding professional object example non-relevant videos netherland institute student feature sound precision section computer group feedback system architecture 14 media professionals pattern recognition dublin city university topic di fficulty user performance 100 k frames ins tasks fi ndings nding text search minute zisserman paper media students searcher performance information project 2008. scheme workshop non-relevant conference region metadata evaluation architecture presenter bpref 2007.