Background:Stirling cycle-based cryocoolers employ mechanical compressors activated by inductive electrical motors producing an oscillating pressure in a gas. The main disadvantage of these conventional compressors is their limited lifetime, caused by mechanical friction and wear. Wear products degr.....
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A robust method of identifying moving or changing objects in a video sequence groups each pixel with other adjacent pixels according to either motion or intensity values. Pixels are then repeatedly regrouped into clusters in a hierarchical manner. As these clusters are regrouped, the motion pattern .....
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Background:Glaucoma is a disease characterized by intra-ocular pressure sufficient to damage the optic nerve and cause permanent impairment of vision. Glaucoma is rarely cured, but its progression can be greatly delayed by reducing the intra-ocular pressure with medicines, laser procedure or surgery.....
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This technology automatically corrects images degraded by the isotropic blur evident in out-of-focus images and in those produced using long-distance imaging (atmospheric blur). Image correction is accomplished by extracting the blur function automatically from the acquired image via a direct (non-i.....
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All heavy machinery relies on large shafts to convey rotary motion. A small shaft crack, if not detected in time, can cause instability which can render the machine unusable and in rare cases even explode. Current methods for locating faults in turbine shafts and generator rotors require either stop.....
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