RETRACTED: The Influence of Intelligent Visual Sensing Technology on Online English Teaching in Wireless Network Environment

Figure 5

Recognition results based on human face illumination ((a) results of the Batch 1, (b) results of the Batch 2, (c) results of the Batch 3, and (d) comparison of the number of errors in three batches).

(a)

(b)

(c)

(d)