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Digital Signal Corporation patents


Recent patent applications related to Digital Signal Corporation. Digital Signal Corporation is listed as an Agent/Assignee. Note: Digital Signal Corporation may have other listings under different names/spellings. We're not affiliated with Digital Signal Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "D" | Digital Signal Corporation-related inventors


System and using combining couplers with asymmetric split ratios in a lidar system

A laser radar, or “lidar” system, employs an asymmetric single-ended detector to detect received signals reflected back from targets. The asymmetric single-ended detector benefits from a reduced part count and fewer optical splices while nearly achieving a same gain as a symmetric differential detector.... Digital Signal Corporation

System and an improved chirped lidar

A lidar comprises a first laser source configured to generate a first laser output at a first frequency and a second laser source configured to generate a second laser output at a second frequency, wherein the first frequency is different from the second frequency. A combining coupler combines the first... Digital Signal Corporation

System and polarization compensation

Various implementations of the invention, improve an optical efficiency of an optical path comprising a polarizing beam splitter and a quarter wave plate. In some implementations of the invention, where an additional optical component introduces a phase retardance into the optical path, the quarter wave plate may be adjusted away... Digital Signal Corporation

System and detecting and removing occlusions in a three-dimensional image

A system and method for performing facial recognition is described. In some implementations, the system and method identify points of a three-dimensional scan that are associated with occlusions, such as eyeglasses, to a face of a target subject and remove the identified points from the three-dimensional scan.... Digital Signal Corporation

System and facial recognition using images captured from a target illuminated with infrared light

Various implementations of the invention perform facial recognition on a target image compared against a color image from an image gallery, where the target image was acquired by an infrared-sensitive camera of a target that was illuminated with infrared light. According to various implementations of the invention, a blue component... Digital Signal Corporation

System and tracking objects using lidar and video measurements

A system uses range and Doppler velocity measurements from a lidar system and images from a video system to estimate a six degree-of-freedom trajectory of a target. The system estimates this trajectory in two stages: a first stage in which the range and Doppler measurements from the lidar system along... Digital Signal Corporation

System and field calibrating video and lidar subsystems using facial features

A system uses range and Doppler velocity measurements from a lidar subsystem and images from a video subsystem to estimate a six degree-of-freedom trajectory of a target. The video subsystem and the lidar subsystem may be aligned with one another by mapping the measurements of various facial features obtained by... Digital Signal Corporation

Apparatus and terminating an array of optical fibers

A method for terminating a plurality of optical fibers arranged in a two-dimensional arrangement comprises inserting the plurality of optical fibers into and through a fiber ferrule, where the fiber ferrule has a plurality of parallel channels extending from an entry surface through to a polish surface; polishing the polish... Digital Signal Corporation

System and off angle three-dimensional face standardization for robust performance

A system uses range and Doppler velocity measurements from a lidar system and images from a video system to estimate a six degree-of-freedom trajectory of a target. The system utilizes a two-stage solution to obtain 3D standardized face representations from non-frontal face views for a statistical learning algorithm. The first... Digital Signal Corporation

System and refining coordinate-based three-dimensional images obtained from a three-dimensional measurement system

A system uses range and Doppler velocity measurements from a lidar system and images from a video system to estimate a six degree-of-freedom trajectory of a target and generate a three-dimensional image of the target. The system may refine the three-dimensional image by reducing the stochastic components in the transformation... Digital Signal Corporation








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



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