Semantic Extraction of Basketball Game Video Combining Domain Knowledge and In-Depth Features

Table 1

Shooting event classification results.

Video snapshot	Basic facts	Correct	Miss	False alarm	Recall	Accuracy
Close-up	34	35	3	1	0.9142	0.9652
Medium view	20	11	5	5	0.8362	0.7542
Far view	13	13	2	3	0.8324	0.8154
Penalty shot	17	17	2	6	0.8865	0.8423
Total	84	76	12	15	0.8722	0.8664