Analysis of Teaching Effect of English Classroom Mind Map Based on a Logistic Regression Model

Table 1

Image enhancement evaluation indicators of different algorithms.

Algorithm
Index	Lena original image	Logarithmic enhancement	Wavelet transform enhancement	Algorithm enhancements in this paper
Contrast C	274.60	326.86	544.62	624.53
Peak signal-to-noise ratio PSNR	40.11	40.06	40.03	40.153
Information entropy	6.638	6.479	7.175	7.348