Computed Tomography Image Features under Denoising Algorithm for Benign and Malignant Diagnosis of Renal Parenchymal Tumor

Table 1

Subjective evaluation image criteria.

Level	Standard	Evaluation
1	Changes in image quality affect the observation	Poor
2	The deterioration of image quality can be directly observed	General
3	Slight changes in image quality were observed but did not affect the observation	Good
4	The quality of the image did not change	Excellent