[Retracted] Dictionary Learning-Based Ultrasound Image Combined with Gastroscope for Diagnosis of Helicobacter pylori-Caused Gastrointestinal Bleeding

<div>Visual effects of the noise reduction by the three algorithms ((a) the original image; (b) the image with noise; (c) image processed by the DCT dictionary; (d) image processed by the Global dictionary; (e) image processed by the N-KSVD dictionary).</div>

Computational and Mathematical Methods in Medicine

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Figure 5

Figure 5: [Retracted] Dictionary Learning-Based Ultrasound Image Combined with Gastroscope for Diagnosis of Helicobacter pylori-Caused Gastrointestinal Bleeding 

Figure 5 | [Retracted] Dictionary Learning-Based Ultrasound Image Combined with Gastroscope for Diagnosis of Helicobacter pylori-Caused Gastrointestinal Bleeding 