The malignant degree of the tumor was closely related to the gray shadow and vascular change of the breast mass of near infrared scan.
近红外光扫描图像灰影伴血管改变越明显，该肿瘤也越趋于高恶性度。
Methods Using broadband convex array probe, to scan suspicious area of the ureter, changes of two-dimensional gray scale, with color and power Doppler.
方法使用宽频凸阵探头、对输尿管可疑部位、变化进行二维灰阶、彩色和能量多普勒扫描。
A gray-level image is decomposed into a 3-D image sequences by sub-sample of zigzag scan which are transformed using 3-D SWT.
首先，通过之字扫描把灰度图像分解为3维的图像序列，然后使用3-D SWT变换这些图像序列。
A gray-level image is decomposed into a 3-D image sequences by sub-sample of zigzag scan which are transformed using 3-D SWT.
首先，通过之字扫描把灰度图像分解为3维的图像序列，然后使用3-D SWT变换这些图像序列。
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