Back Propagation Neural Network-Based Ultrasound Image for Diagnosis of Cartilage Lesions in Knee Osteoarthritis

Figure 6

The ultrasound imaging manifestations of different stages in the experimental group. (a) Normal. (b) Stage I. (c) Stage II. (d) Stage III. (e) Stage IV.

(a)

(b)

(c)

(d)

(e)