●●● ●●●● ●●●●● ●●●● ●●●●● Extraction Techniques ●●●● 圖國■國园 Scene Changes d△L Camera Motion rany statio static slate pan- zoom stave ns salle Face Detection Text Detection Word Relevance募 Audio level Extraction TechniquesExtraction Techniques Text Detection Camera Motion Face Detection Scene Changes Word Relevance Audio Level Extraction Techniques