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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1
US11002857B2
Ladar system with intelligent selection of shot list frames based on field of view data
Publication/Patent Number: US11002857B2 Publication Date: 2021-05-11 Application Number: 16/106,441 Filing Date: 2018-08-21 Inventor: Dussan, Luis Carlos   Steinhardt, Allan   Benscoter, Joel David   Greene, Jordan Spencer   Assignee: Aeye inc   IPC: G01S7/48 Abstract: A ladar transmitter that transmits ladar pulses toward a plurality of range points in a field of view can be controlled to target range points based on any of a plurality of defined shot list frames. Each defined shot list frame can identify various coordinates in the field of view that are to be targeted by a ladar pulses for a given ladar frame. A processor can process data about the field of view such as range data and/or camera data to make selections as to which of the defined shot list frames should be selected for a given frame of ladar data.
2
US2021141059A1
Ladar Transmission with Dynamic Scan Pattern Control
Publication/Patent Number: US2021141059A1 Publication Date: 2021-05-13 Application Number: 17/157,390 Filing Date: 2021-01-25 Inventor: Dussan, Luis Carlos   Assignee: Aeye inc   IPC: G01S7/484 Abstract: Various embodiments are disclosed for improved scanning ladar transmission, including but not limited to an example embodiment where feedback control is used to finely control mirror scan positions.
3
US10908262B2
Ladar transmitter with optical field splitter/inverter for improved gaze on scan area portions
Publication/Patent Number: US10908262B2 Publication Date: 2021-02-02 Application Number: 15/431,065 Filing Date: 2017-02-13 Inventor: Dussan, Luis Carlos   Assignee: Aeye inc   IPC: G01C3/08 Abstract: Disclosed herein is a scanning ladar transmitter that employs an optical field splitter/inverter to improve the gaze characteristics of the ladar transmitter on desirable portions of a scan area. Also disclosed is the use of scan patterns such as Lissajous scan patterns for a scanning ladar transmitter where a phase drift is induced into the scanning to improve the gaze characteristics of the ladar transmitter on desirable portions of the scan area.
4
US10908265B2
Ladar transmitter with feedback control of dynamic scan patterns
Publication/Patent Number: US10908265B2 Publication Date: 2021-02-02 Application Number: 16/131,568 Filing Date: 2018-09-14 Inventor: Dussan, Luis Carlos   Assignee: Aeye inc   IPC: G01C3/08 Abstract: Various embodiments are disclosed for improved scanning ladar transmission, including but not limited to an example embodiment where feedback control is used to finely control mirror scan positions.
5
US2021003679A1
Ladar System with Adaptive Receiver
Publication/Patent Number: US2021003679A1 Publication Date: 2021-01-07 Application Number: 17/024,014 Filing Date: 2020-09-17 Inventor: Dussan, Luis Carlos   Steinhardt, Allan   Cook, David   Assignee: Aeye inc   IPC: G01S7/4863 Abstract: Disclosed herein are various embodiments for a ladar system that includes an adaptive ladar receiver whereby the active pixels in a photodetector array used for reception of ladar pulse returns can be adaptively controlled based at least in part on where the ladar pulses were targeted by the ladar transmitter.
6
US10921450B2
Ladar system and method with frequency domain shuttering
Publication/Patent Number: US10921450B2 Publication Date: 2021-02-16 Application Number: 16/407,570 Filing Date: 2019-05-09 Inventor: Dussan, Luis Carlos   Steinhardt, Allan   Greene, Jordan Spencer   Wang, Allen Chi-luen   Vyas, Nitin   Rejaly, Daryoosh   Assignee: Aeye inc   IPC: G01S17/00 Abstract: A ladar system and related method are disclosed where a ladar transmitter transmits ladar pulses toward a plurality of range points, and a ladar receiver receives ladar returns from the range points, wherein the ladar receiver comprises a photo receiver. A sensor can be used to sense background light levels, and a control circuit can (1) measures the sensed background light levels and (2) provide frequency domain shuttering with respect to the photo receiver based on the measured background light levels.
7
US10641873B2
Method and apparatus for an adaptive ladar receiver
Publication/Patent Number: US10641873B2 Publication Date: 2020-05-05 Application Number: 15/935,720 Filing Date: 2018-03-26 Inventor: Dussan, Luis Carlos   Steinhardt, Allan   Cook, David   Assignee: Aeye inc   IPC: G01S7/486 Abstract: Disclosed herein are various embodiments of an adaptive ladar receiver and associated method whereby the active pixels in a photodetector array used for reception of ladar pulse returns can be adaptively controlled based at least in part on where the ladar pulses were targeted. Additional embodiments disclose improved imaging optics for use by the receiver and further adaptive control techniques for selecting which pixels of the photodetector array are used for sensing incident light.
8
WO2019216937A3
INTELLIGENT LADAR SYSTEM WITH LOW LATENCY MOTION PLANNING UPDATES
Publication/Patent Number: WO2019216937A3 Publication Date: 2020-02-06 Application Number: 2018047199 Filing Date: 2018-08-21 Inventor: Dussan, Luis Carlos   Steinhardt, Allan   Greene, Jordan Spencer   Benscoter, Joel David   Assignee: Aeye inc   IPC: G05D1/02 Abstract: Systems and methods are disclosed for vehicle motion planning where a sensor, such as a ladar system, is used to detect threatening or anomalous conditions within the sensor's field of view so that priority warning data about such conditions can be inserted at low latency into the motion planning loop of a motion planning computer system for the vehicle. Also disclosed herein is a ladar system that includes ladar transmitter, ladar receiver, and camera, where the camera that is co-bore sited with the ladar receiver, the camera configured to generate image data corresponding to a field of view for the ladar receiver. Also disclosed are techniques where a ladar system can estimate intra-frame motion for an object within a field of view of the ladar system using a tight cluster of ladar pulses.
9
US10641872B2
Ladar receiver with advanced optics
Publication/Patent Number: US10641872B2 Publication Date: 2020-05-05 Application Number: 15/430,200 Filing Date: 2017-02-10 Inventor: Dussan, Luis Carlos   Steinhardt, Allan   Cook, David   Assignee: Aeye inc   IPC: G01S7/481 Abstract: Disclosed herein are various embodiment of an adaptive ladar receiver and associated method whereby the active pixels in a photodetector array used for reception of ladar pulse returns can be adaptively controlled based at least in part on where the ladar pulses were targeted. Additional embodiments disclose improved imaging optics for use by the receiver and further adaptive control techniques for selecting which pixels of the photodetector array are used for sensing incident light.
10
US2020225324A1
Adaptive Ladar Receiver Control Using Spatial Index of Prior Ladar Return Data
Publication/Patent Number: US2020225324A1 Publication Date: 2020-07-16 Application Number: 16/356,079 Filing Date: 2019-03-18 Inventor: Dussan, Luis Carlos   Steinhardt, Allan   Presutti, Federico   Benscoter, Joel David   Assignee: Aeye inc   IPC: G01S7/48 Abstract: Disclosed herein are examples of ladar systems and methods where data about a plurality of ladar returns from prior ladar pulse shots gets stored in a spatial index that associates ladar return data with corresponding locations in a coordinate space to which the ladar return data pertain. This spatial index can then be accessed by a processor to retrieve ladar return data for locations in the coordinate space that are near a range point to be targeted by the ladar system with a new ladar pulse shot. This nearby prior ladar return data can then be analyzed by the ladar system to help define a control parameter for use by the ladar receiver with respect to the new ladar pulse shot.
11
US2020264286A1
Method and Apparatus for an Adaptive Ladar Receiver
Publication/Patent Number: US2020264286A1 Publication Date: 2020-08-20 Application Number: 16/865,655 Filing Date: 2020-05-04 Inventor: Dussan, Luis Carlos   Steinhardt, Allan   Cook, David   Assignee: Aeye inc   IPC: G01S7/4863 Abstract: Disclosed herein are various embodiments of an adaptive ladar receiver and associated method whereby the active pixels in a photodetector array used for reception of ladar pulse returns can be adaptively controlled based at least in part on where the ladar pulses were targeted. Additional embodiments disclose improved imaging optics for use by the receiver and further adaptive control techniques for selecting which pixels of the photodetector array are used for sensing incident light.
12
US2020025886A1
Ladar Receiver with Co-Bore Sited Camera
Publication/Patent Number: US2020025886A1 Publication Date: 2020-01-23 Application Number: 16/106,374 Filing Date: 2018-08-21 Inventor: Dussan, Luis Carlos   Steinhardt, Allan   Benscoter, Joel David   Greene, Jordan Spencer   Assignee: Aeye inc   IPC: G01S7/481 Abstract: Disclosed herein is a ladar system that includes a ladar transmitter, ladar receiver, and camera, where the camera that is co-bore sited with the ladar receiver, the camera configured to generate image data corresponding to a field of view for the ladar receiver. In an example embodiment, a mirror can be included in the optical path between a lens and photodetector in the ladar receiver, where the mirror (1) directs light within the light from the lens that corresponds to a first light spectrum in a first direction for reception by the camera and (2) directs light within the light from the lens that corresponds to a second light spectrum in a second direction for reception by the photodetector, wherein the second light spectrum includes ladar pulse reflections for processing by the ladar system.
13
US2020341147A1
Ladar System and Method with Cross-Receiver
Publication/Patent Number: US2020341147A1 Publication Date: 2020-10-29 Application Number: 16/407,626 Filing Date: 2019-05-09 Inventor: Dussan, Luis Carlos   Steinhardt, Allan   Greene, Jordan Spencer   Wang, Allen Chi-luen   Vyas, Nitin   Rejaly, Daryoosh   Assignee: Aeye inc   IPC: G01S17/10 Abstract: A ladar system and related method are disclosed where the system includes a ladar transmitter and a ladar receiver. The ladar transmitter transmits ladar pulses into a field of view, and the ladar receiver receives ladar pulse returns from objects in the field of view. The ladar receiver comprises a cross-receiver, the cross-receiver comprising a first 1D array of photodetector cells and a second 1D array of photodetector cells that are oriented differently relative to each other.
14
US10782393B2
Ladar receiver range measurement using distinct optical path for reference light
Publication/Patent Number: US10782393B2 Publication Date: 2020-09-22 Application Number: 15/430,235 Filing Date: 2017-02-10 Inventor: Dussan, Luis Carlos   Steinhardt, Allan   Cook, David   Assignee: Aeye inc   IPC: G01C3/08 Abstract: Disclosed herein are various embodiment of an adaptive ladar receiver and associated method whereby the active pixels in a photodetector array used for reception of ladar pulse returns can be adaptively controlled based at least in part on where the ladar pulses were targeted. Additional embodiments disclose improved imaging optics for use by the receiver and further adaptive control techniques for selecting which pixels of the photodetector array are used for sensing incident light.
15
US10641897B1
Ladar system and method with adaptive pulse duration
Publication/Patent Number: US10641897B1 Publication Date: 2020-05-05 Application Number: 16/407,544 Filing Date: 2019-05-09 Inventor: Dussan, Luis Carlos   Steinhardt, Allan   Greene, Jordan Spencer   Wang, Allen Chi-luen   Vyas, Nitin   Rejaly, Daryoosh   Assignee: Aeye inc   IPC: G01S17/26 Abstract: A ladar system and related method are disclosed where the ladar system includes a sensor that senses background light levels. A control circuit of the ladar system (1) measures the sensed background light levels and (2) controllably adjusts a pulse duration for a new ladar pulse based on the measured background light levels. A ladar transmitter can then transmit the new ladar pulse, wherein the new ladar pulse has the adjusted pulse duration. In an example embodiment, this technique for adaptive pulse duration can be employed in the ladar system where the ladar transmitter and ladar receiver are arranged in a bistatic architecture.
16
US10656272B1
Ladar system and method with polarized receivers
Publication/Patent Number: US10656272B1 Publication Date: 2020-05-19 Application Number: 16/407,589 Filing Date: 2019-05-09 Inventor: Dussan, Luis Carlos   Steinhardt, Allan   Greene, Jordan Spencer   Wang, Allen Chi-luen   Vyas, Nitin   Rejaly, Daryoosh   Assignee: Aeye inc   IPC: G01S17/10 Abstract: A ladar system and related method are disclosed where the ladar system comprises first and second receivers. The first receiver receives a ladar return from a ladar pulse with a known transmit polarization. The second receiver receives the ladar return from the ladar pulse with the known transmit polarization. The ladar system also includes a control circuit that (1) measures incident polarizations at the first and second receivers with respect to the received ladar return and (2) separates a retro-reflective portion of the received ladar return from a non-retro-reflective portion of the received ladar return based on the measured incident polarization and the known transmit polarization.
17
US10670718B1
System and method for synthetically filling ladar frames based on prior ladar return data
Publication/Patent Number: US10670718B1 Publication Date: 2020-06-02 Application Number: 16/356,116 Filing Date: 2019-03-18 Inventor: Dussan, Luis Carlos   Steinhardt, Allan   Presutti, Federico   Benscoter, Joel David   Assignee: Aeye inc   IPC: G01S17/00 Abstract: Systems and methods are disclosed where a ladar system synthetically fills a ladar frame. A ladar transmitter can employ compressive sensing to interrogate a subset of range points in a field of view. Returns from this subset of range points correspond to a sparse ladar frame, and interpolation can be performed on these returns to synthetically fill the ladar frame.