Superresolution Reconstruction Algorithm of Ultrasonic Logging Images Based on High-Frequency Enhancement

Figure 5

Multiscale feature extraction structure: (a) is the single-scale SRResNet base block, (b) the modified structure of inception V1 base block for multiscale structure, (c) is the multiscale structure proposed in paper [18], and (d) is the multiscale structure proposed in this paper.

(a)

(b)

(c)

(d)