Abstract: Provided are methods for maintaining intrinsic calibration of IBIS cameras, which can include obtaining a first camera sensor position at which a movable sensor of a camera is positioned when the camera captures a first image, selecting, from at least one database including a plurality of intrinsic calibration data sets indexed by a respective plurality of second camera sensor positions, one of the plurality of second camera sensor positions based on the first camera sensor position of the movable sensor, retrieving, from the at least one database and for the camera, a first intrinsic calibration data set, of the plurality of intrinsic calibration data sets, that is indexed by the selected one of the plurality of second camera sensor positions, and rectifying, by the at least one processor, the first image using the first intrinsic calibration data set of the camera retrieved from the at least one database.

Abstract: Provided are methods for maintaining calibration of an IBIS camera, which can include receiving a first initial extrinsic calibration of a first camera having a first sensor; determining a first translation of the first sensor based on a second position thereof when the first camera captures a first image; determining a first extrinsic translation shift based at least upon the first translation; and updating the first initial extrinsic calibration to yield a first modified extrinsic calibration for the first camera. Systems and computer program products are also provided.

Abstract: Provided are methods for maintaining calibration of an IBIS camera, which can include receiving a first initial extrinsic calibration of a first camera having a first sensor; determining a first translation of the first sensor based on a second position thereof when the first camera captures a first image; determining a first extrinsic translation shift based at least upon the first translation; and updating the first initial extrinsic calibration to yield a first modified extrinsic calibration for the first camera. Systems and computer program products are also provided.

Abstract: Provided are methods for determination and correction of boresight shift caused by the installation of an optical layer over a camera assembly. Some methods described include performing a first calibration prior to installation of the window, performing a second calibration after installation of the window, and comparing the first and second calibrations to determine a transformation that corrects for the boresight shift. Systems and computer program products are also provided.

Abstract: Provided are systems and methods for camera alignment using pre-distorted targets. Some methods described include selecting a configuration of shapes, and determining targets by pre-distorting the shapes according to the inverse of the distortion function of the lens system to be aligned. Images of pre-distorted targets are then compared to the original configuration of shapes, to perform camera alignment. Alignment is thus accomplished in simpler and more accurate manner. Systems and computer program products are also provided.

Abstract: Provided are methods for optical metrologies in repeatable qualitative analyses of flare and ghost artifacts in camera optical systems, which can include receiving a first image of a light array captured by a camera, analyzing, using at least one data processor, the first image to detect a first light artifact, receiving a second image of the light array, captured by a camera, in which a first light source in the light array is turned off, and in response to determining that the first light artifact is absent from the second image, determining, using the at least one data processor and based on a position and/or an intensity of the first light source, a first adjustment for the camera. Systems and computer program products are also provided.

Abstract: Provided are methods for determination and correction of boresight shift caused by the installation of an optical layer over a camera assembly. Some methods described include performing a first calibration prior to installation of the window, performing a second calibration after installation of the window, and comparing the first and second calibrations to determine a transformation that corrects for the boresight shift. Systems and computer program products are also provided.

Abstract: Provided are systems and methods used for calibration of camera/sensor systems. A calibration target system can include at least one calibration target element and at least one black body source. The calibration target element can include an outer perimeter, a modular transfer function (MTF) testing area, a through hole extending through the at least one calibration target, and a plurality of slots extending through the at least one calibration target. The MTF testing area can comprise a light-absorbing surface and at least one slant edge that is non-orthogonal with respect to any side of the outer perimeter. The black body source can be positioned behind the at least one calibration target elements and configured to emit black body radiation such that the black body radiation passes through the through hole and the plurality of slots.

Abstract: Provided are methods for correcting multi-zone motion blur, which include executing, using at least one processor, an alignment of at least one image capturing device with at least one collimating device in a plurality of collimating devices, causing a rotation of at least one collimating device, receiving at least one image of at least one target object captured by the image capturing device for processing by at least one rotating collimating device, and determining, based on the at least one processed image, a degradation of the received image of the target object.

Abstract: Provided are methods for active alignment of an optical assembly with intrinsic calibration. Some methods described include performing a first active alignment using a multi-collimator assembly, determining a principal point of the camera assembly using a diffractive optical element (DOE) intrinsic calibration module, and adjusting the relative position of one or more of the lens and the image sensor to align the principal point of the camera assembly with an image center of the image sensor and to perform a second active alignment. Systems and computer program products are also provided.

Abstract: Provided are methods for verifying the performance of an image sensor mounted to a vehicle, which can include causing alignment of a collimator with an image sensor mounted to a vehicle, receiving sensor data associated with the image sensor based at least in part on causing the alignment of the collimator with the image sensor, determining that the sensor data does not satisfy a performance specification associated with the image sensor, determining an image sensor alert associated with the image sensor based at least in part on determining that the sensor data does not satisfy the performance specification associated with the image sensor, and routing the image sensor alert.

Abstract: Provided are systems and methods for measurement of optical vignetting, which can include causing a selective emitter array to emit at least one beam of light through an off-optical axis field position of a lens assembly, receiving, at a photo sensor array, an off-axis spot based at least in part on the emitted at least one beam of light, determining a size of the off-axis spot, and determining an off-axis F-Number of the lens assembly associated with the off-optical axis field position based on comparing the determined size of the off-axis spot with a size of an on-axis spot. Systems and computer program products are also provided.

Abstract: Provided are methods and apparatuses for testing imaging devices, which can include a testing apparatus a testing apparatus including a test chamber; a device receptacle inside the test chamber for holding a device under test; a target receptacle inside the test chamber for holding an optical target within a field of view of the device under test; a temperature controller configured to adjust a temperature proximate to the device receptacle; and an air curtain controller configured to generate an air curtain inside the test chamber between a location of the device receptacle and a location of the target receptacle, the air curtain thermally isolating the device receptacle from the target receptacle.

Abstract: Provided are systems and methods for camera alignment using pre-distorted targets. Some methods described include selecting a configuration of shapes, and determining targets by pre-distorting the shapes according to the inverse of the distortion function of the lens system to be aligned. Images of pre-distorted targets are then compared to the original configuration of shapes, to perform camera alignment. Alignment is thus accomplished in simpler and more accurate manner. Systems and computer program products are also provided.

Abstract: Provided are systems for switchable wheel view mirrors, which can selectively provide views of one or more wheels of a vehicle to, for example, check for obstructions. A system for a switchable wheel view mirror can include an image sensor coupled to a vehicle, a reflective surface, and an actuator. The image sensor can capture an image within a field of view of the image sensor. The reflective surface can be coupled to the actuator which moves the reflective surface between a first position and a second position. In the first position, a view of at least a portion of a wheel of the vehicle is visible within the reflective surface and the reflective surface is disposed at least partially within the field of view of the image sensor. Methods and computer program products are also provided.

Abstract: Provided are systems for switchable wheel view mirrors, which can selectively provide views of one or more wheels of a vehicle to, for example, check for obstructions. A system for a switchable wheel view mirror can include an image sensor coupled to a vehicle, a reflective surface, and an actuator. The image sensor can capture an image within a field of view of the image sensor. The reflective surface can be coupled to the actuator which moves the reflective surface between a first position and a second position. In the first position, a view of at least a portion of a wheel of the vehicle is visible within the reflective surface and the reflective surface is disposed at least partially within the field of view of the image sensor. Methods and computer program products are also provided.

Abstract: Provided is a vehicle including one or more of an IR emitter, ring lens, ring wedge, or any combinations thereof. In an embodiment, an infrared emitter configured to output energy. A ring lens receive the energy output by the infrared emitter and converges the energy to a predetermined field coverage. The predetermined field coverage is determined based on, at least in part, the surface to be heated. The surface to be heated receives the converged energy and is heated.

Abstract: Provided are methods for geometric intrinsic camera calibration using a diffractive optical element. Some methods described include receiving, by at least one processor, at least one image captured by a camera based on a plurality of light beams received from a diffractive optical element aligned with an optical axis of the camera, the plurality of light beams having a plurality of propagation directions associated with a plurality of view angles. The at least one processor identifies a plurality of shapes in the image, determines a correspondence between the plurality of shapes in the image and the plurality of light beams, and identifies one or more intrinsic parameters of the camera that minimize a reprojection error function based on the plurality of shapes in the image and the plurality of propagation directions. Systems and computer program products are also provided.

Abstract: Provided are systems and methods for camera alignment using pre-distorted targets. Some methods described include selecting a configuration of shapes, and determining targets by pre-distorting the shapes according to the inverse of the distortion function of the lens system to be aligned. Images of pre-distorted targets are then compared to the original configuration of shapes, to perform camera alignment. Alignment is thus accomplished in simpler and more accurate manner. Systems and computer program products are also provided.

Abstract: A universal camera apparatus for attachment to a surface includes a dome cover having a central aperture, a camera unit having a body portion and a lens, the body portion mounted to the dome cover and covered by the dome cover, the lens disposed within the central aperture, a base unit supporting the dome cover, the base unit having a central opening extending through the base unit from a universal attachment portion to a flared collar portion, the universal attachment portion forming a seal at an interface with the surface, wherein wiring from the camera unit extends through the central opening, the flared collar portion at least partially surrounds the camera unit, and wherein the dome cover is adjustable about an axis of rotation relative to the base unit, and the camera mount is rotatable about an axis of rotation.