Blood Vessels
Blood Vessels news and technical articles from Vision Systems Design magazine. Search Blood Vessels latest and archived news and articles
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X-ray system uses off-the-shelf components
… traditional angiography, images of blood vessels are acquired by exposing the patient ..... injecting contrast medium into the blood vessels . In this method, the images ..... anatomical structures besides blood vessels . To remove these, mask images …
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New procedure aims to prevent vision loss
… localized excessive growth of new blood vessels in the choroid, the layer of ..... the eyeball). To locate these blood vessels by an established procedure ..... internally illuminates the translucent blood vessels . A camera is used to record the …
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Analyzing ultrasound images
Measurements of the diameter of human blood vessels are often used to determine and treat abnormal vascular functions. In such measurements, the boundaries of ultrasonic images …
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Technology Trends: Flat touch monitors help diagnose diabetic retinopathy
With diabetic retinopathy, one of the most common side effects of diabetes, blood vessels in the eye leak or become obstructed as a consequence of years of elevated blood sugar levels. If untreated, diabetic retinopathy …
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Images of the eye linked to heart disease
… to determine whether a scan of blood vessels in the eye can identify signs ..... vessel widths or unusually branched blood vessels -- that may be linked to heart disease ..... abnormalities in the eyes’ blood vessels can also indicate vascular problems …
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Researchers develop software to image tissue in 3-D
… structure of cells and the 'micro-architecture' of blood vessels and tumors on large tissue samples. This can all be ..... instance, if you want to understand how a system of blood vessels supplying a tumor connects up, you really need to see …
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Imaging technique detects brain cancer
… developed a contrast agent that recognizes and sticks to a molecule called VCAM-1 that is present in large amounts on blood vessels associated with cancer that has spread to the brain from other parts of the body. MRI scans show the distribution …
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Imaging software goes mining for cancer
… patients. They have demonstrated that the software combination can pick out all the endothelial cells that form the blood vessels supplying tumors with oxygen and nutrients in 100 images in just a few hours.
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Low-cost camera and image processing software checks body's vital signs
… mirror. Taking your measure The system measures slight variations in brightness produced by the flow of blood through blood vessels in the face. Public-domain software is used to identify the position of the face in the image, and then the digital …
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MEDICAL APPLICATIONS: Image processing software aids ophthalmic surgery
… Westwood, MA, USA; www.ikonacorp.com ) have opted to reference the anatomical features, specifically the blood vessels found in the sclera or white part of the eye (see figure). Software that references the anatomical features of the …