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Anamorphic object optimized function application for printer defect pre-compensation

Every printing system has characteristic defects which detract from high quality printing. Xerographic printing systems show defects such as banding, mottled colors in large fill areas, trail-edge deletion and starvation where toner concentrations drop at certain color edges, misregistration, and so on. Ink jet printing systems can show ink bleeding, streaking in the direction of head movement, and so on. One approach to reducing printer defects is to refine the electro-mechanics for more precise printing. Another approach which works for predictable defects is to modify the digital data being sent to the printer to pre-compensate for the defect. The prior art does this to a limited extent for individual object types (strokes, fills, images, text, etc.) and for misregistered color edges (trapping). This invention extends the range of edge-related defects that can be both predicted and pre-compensated for. An embodiment of the invention is described which pre-compensates for defects such as trail-edge deletion, starvation, misregistration, halo, etc. by identifying runs of color which meet the criteria likely to cause the effect and applying a function f(edge-distance, object-type) to such runs to modify them appropriately. Both the prediction criteria and the functions applied are anamorphic (the scan direction and process direction are treated differently) and object-optimized (object attributes are taken into account). Further, both prediction criteria and applied correction functions allow user-settable input.
Owner:XEROX CORP

Controller-Based Apparatus and Method for Diagnosis and Treatment of Acquired Brain Injury and Dysfunction

A controller-based apparatus for diagnosis and treatment of a subject with acquired brain injury and dysfunction. Various embodiments of the invention described herein recognize that different body postures affect the autonomic nervous system differently, and therefore various external stimuli may have different therapeutic efficacies when a patient or subject is in each body posture. Postures, such as walking, sitting, standing, prone and supine, have different effects on the autonomic nervous system, and therefore some stimuli have different physiological efficacies while a patient or subject is in a given body posture. Disclosed embodiments of the present invention leverage this relationship to provide a controller-based apparatus that determines a combination of posture and stimulus that has optimal therapeutic effect, while minimizing health practitioner involvement. The controller based apparatus provides a treatment that stimulates the nervous system through a combination of noninvasive therapies that stimulate brain cells to increase their efficiency—this promotes the formation of pathways that help transfer information throughout the brain in such a way that in the end, the affected area of the brain and overall brain function are improved without medication or surgery.
Owner:PEDRO VICTOR M
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