Adam Greengard

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The accuracy of depth estimation based on defocus effects has been essentially limited by the depth of field of the imaging system. We show that depth estimation can be improved significantly relative to classical methods by exploiting three-dimensional diffraction effects. We formulate the problem by using information theory analysis and present, to the(More)
Determination of Cdk5 activity Mice were treated intraperitoneally with vehicle or 7.5 mg kg of caffeine and decapitated 15 min later. The brains were rapidly removed, and the dorsal striata were dissected out and homogenized in lysis buffer. Cdk5 was immunoprecipitated with anti-Cdk5 (C8) antibody and its activity was assayed in the absence or presence of(More)
Presented here are experimental results of an extended depth-of-field (EDF) system using film to record the image. The EDF system used is an application of wave-front coding. A phase mask is placed in the aperture stop of the lens to code the image data; then digital signal processing is used to decode the image. Wave-front coding is based on linear systems(More)
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