Abstract: A light detection and ranging (LiDAR) system according to the present disclosure comprises an optical source to emit an optical beam, and an optical circulator to receive the optical beam and transmit the optical beam to a target, to receive a target return signal from the target and to transmit the target return signal to one or more photodetectors (PDs). The optical circulator is configured to collect all polarization states in the target return signal. The LiDAR system further comprises an optical element to generate a local oscillator (LO) signal, and the one or more PDs to mix the target return signal with the LO signal to generate a heterodyne signal to extract range and velocity information of the target.

Abstract: The present invention provides a laser radar system, including: a transmission module, disposed in a transmission optical path, and adapted to transmit a laser beam; a rotating shaft; and a receiving module, disposed in a receiving optical path, and adapted to receive an echo signal of the laser beam, the receiving module including a receiving lens group and a detection assembly. The transmission module and the receiving module are respectively disposed on a first side and a second side of the rotating shaft and are adapted to rotate around the rotating shaft. The receiving optical path includes a first receiving optical path and a second receiving optical path. In the first receiving optical path, the echo signal of the laser beam is transmitted from the first side of the rotating shaft to the second side of the rotating shaft and is received by the receiving lens group.

Abstract: One example system comprises a LIDAR sensor that rotates about an axis to scan an environment of the LIDAR sensor. The system also comprises one or more cameras that detect external light originating from one or more external light sources. The one or more cameras together provide a plurality of rows of sensing elements. The rows of sensing elements are aligned with the axis of rotation of the LIDAR sensor. The system also comprises a controller that operates the one or more cameras to obtain a sequence of image pixel rows. A first image pixel row in the sequence is indicative of external light detected by a first row of sensing elements during a first exposure time period. A second image pixel row in the sequence is indicative of external light detected by a second row of sensing elements during a second exposure time period.

Abstract: Provided are an apparatus and a method for detecting an obstacle. The apparatus includes a light-emitting unit configured to emit a plane beam by converting a laser beam into the plane beam having a rectangular shape; a light reception unit configured to receive the laser beam which is emitted from the light-emitting unit and reflected from the obstacle; and a control unit configured to measure a distance to the obstacle by using the laser beam received in the light reception unit. Thus, an obstacle is detected by using the plane beam having a rectangular shape, so that the measurement range may be enlarged upwardly and downwardly.

Abstract: A distance measuring method and an electronic laser distance measuring module, in particular for use in a distance measuring apparatus, especially configured as a laser tracker, tachymeter, laser scanner, or profiler, for fast signal detection with an analog-to-digital converter, wherein conversion errors that arise in the context of a signal digitization, in particular timing, gain and offset errors of the ADC, are compensated for by means of variation of the sampling instants.

Abstract: A sensor assembly includes a first body that rotates a sensor component about an axis, and a second body coupled to the first body to form a separation gap. The separation gap extends radially inward from a gap inlet to a sealed barrier of the second body. The separation gap may be configured with a set of air guide structural features, to induce formation of eddies from air intake received through the gap inlet, as air from the air intake moves inward towards the sealed barrier.

Abstract: A device for optically measuring the distance from a reflective target object is disclosed. The device has a beam source, a detector, a beam shaping system with a transmission optical system and a reception optical system, and a laser beam shaping element that can be arranged in the path of the laser beam. The laser shaping element is designed as a shaping aperture, where the shaping aperture converts the laser beam into a shaped laser beam with one or more opening angles and the opening angles are smaller than the maximum critical angle of 0.3 mrad.

Abstract: Provided are a power transmitting device, a power receiving device, a power supply system, and a power supply method able to supply electric power by emitting electromagnetic waves. A power transmitting device comprises: a calculating unit for calculating the maximum value for the emitted output of electromagnetic waves meeting exposure standards on the basis of a response delay time measured by the communication link between the power transmitting device and a power receiving device; a power transmitting unit for transmitting power via a power supply link with the power receiving device at an output not exceeding the maximum value; an anomaly detecting unit for detecting an anomaly in the power supply link on the basis of communication with the power receiving device via the communication link; and an output control unit for controlling the output on the basis of the detection of an anomaly in the power supply link.

Abstract: A coordinate measuring device for detecting a position of a target object which can move in space and which comprises a retroreflector, wherein an automatic identification of a recognized target object and an assignment of specifications associated with the target object takes place.

Abstract: Systems and methods are provided for impervious surface mapping of a target geographic area. The impervious surface mapping utilizes four-band imagery data and light detection and ranging (LIDAR) data collected from the target geographic area. The identified impervious surfaces can be attributed to parcels within the target geographic area for purposes of generating bills for storm water runoff to parcel owners.

Abstract: A target instrument has an object to be measured which is provided with a reflection sheet, wherein the total station has a distance measuring light projecting unit, a light receiving unit, a distance measuring unit for performing a distance measurement of an object to be measured, an optical axis deflector capable of deflecting the distance measuring optical axis two-dimensionally, a projecting direction detecting module for detecting a deflection angle of the distance measuring optical axis and performing an angle measurement, and an arithmetic control module for controlling the optical axis deflector and the distance measuring unit, wherein the arithmetic control module is configured to two-dimensionally scan the object to be measured with the distance measuring light and to perform a distance measurement and an angle measurement with respect to the object to be measured, and further to detect a tilt and a tilt direction of the target instrument.

Abstract: Vehicles, systems, and techniques are provided for noise reduction in detection in remote sensing systems. Noise reduction can be accomplished, in some embodiments, by narrowing a time interval to receive return EM radiation (or, in other embodiments, EM signals representative of the return EM radiation) at a system mounted in a vehicle. The time interval can be narrowed by adjusting the time during which the system can receive the return EM radiation. In other embodiments, rather than adjusting the time interval, a processing unit can remove a portion of data representative of a signal resulting from mixing probe EM radiation and return EM radiation. The data that is removed can be representative of the signal during a leading interval of the defined period during which probe EM radiation is emitted. Such a removal can result in second data representative of the signal during a terminal interval of the defined period.

Abstract: A light detection and ranging (LIDAR) system includes an optical scanner to transmit a frequency-modulated continuous wave (FMCW) infrared (IR) optical beam and to receive a return signal from reflections of the optical beam; an optical processing system coupled with the optical scanner to generate a baseband signal in the time domain from the return signal, where the baseband signal includes frequencies corresponding to LIDAR target ranges; and a signal processing system coupled with the optical processing system to measure energy of the baseband signal in the frequency domain, to compare the energy to an estimate of LIDAR system noise, and to determine a likelihood that an signal peak in the frequency domain indicates a detected target.

Abstract: The present disclosure relates to a detecting system fusing lidar point cloud and image, which includes a laser emitting means (101), a beamsplitter (102), a beam deflecting means (103), a first laser detecting means (104), a coaxial optical receiving means (105), a second laser detecting means (106) and an image detecting means (107). By using the coaxial optical receiving means, a third return light received by the second laser detecting means and a fourth return light received by the image detecting means are both from a first return light which includes a reflected light generated by the second laser beam irradiating a target object and a reflected light generated by a background illuminating light source irradiating the target object. The system may acquire lidar point cloud information and image information synchronously, which facilitates the subsequent fusion of the lidar point cloud information and the image information and reduces the complexity of calculation.

Abstract: An apparatus disposed below a housing, the apparatus including: a light-sensing element having a light-sensing region, and being configured to sense light reaching the light-sensing region through a first light-transmitting region of the housing; and where when the energy of the light that reaches the light-sensing region is reduced relative to the energy of the light that is expected to reach the light-sensing region, the area of the light-sensing region located under the first light-transmitting region increases.

Abstract: Provided is an imaging apparatus and an imaging method capable of generating distance information and an image. The imaging apparatus includes a light source that emits light, an accumulation unit, charges corresponding to received light being accumulated in the accumulation unit, a distance information generation unit that generates distance information from an amount of the charges accumulated in the accumulation unit, and an image generation unit that generates an image from the amount of the charges accumulated in the accumulation unit, the distance information generation unit generating the distance information from the amount of the charges accumulated in the accumulation unit based on emission of light, the image generation unit generating the image from the amount of the charges accumulated in the accumulation unit based on absence of the emitted light.

Abstract: A system includes at least two base stations that emit light beams to illuminate an area for positional tracking objects in the area. A base station emits at least two light beams that rotate around a rotation axis at a rotational speed unique to the base station. Responsive to being illuminated by the light beams emitted by the at least two base stations, an object being tracked generates illumination data. The system determines which illumination data corresponds to one of multiple base stations by analyzing the illumination data over time. The system analyzes the illumination data corresponding to one base station to determine an orientation and/or position of the object relative to that base station.

Abstract: An actuator comprises: a torsion spring fixed to a top yoke as a support member; a permanent magnet coupled to the torsion spring where the permanent magnet is placed with an N-pole and an S-pole thereof across a rotational axis of the torsion spring; a drive circuitry configured to apply a drive signal with periodically varying voltage or current; and a mirror unit comprising a first mirror and second mirrors, the first mirror being near a center of the torsion spring, and the second mirrors being around the first mirror and parallel to the first mirror. A plane including a reflecting surface of the second mirrors is closer to the rotation axis of the torsion spring than a plane including a reflecting surface of the first mirror, and the mirror unit reciprocates in accordance with application of the drive signal.

Abstract: A wiring substrate includes: a first insulating layer; a plurality of wiring patterns formed on one surface of the first insulating layer; a dummy pattern formed, on the one surface of the first insulating layer, between the nearby wiring patterns; and a second insulating layer made of resin and formed on the one surface of the first insulating layer so as to cover the nearby wiring patterns and the dummy pattern, wherein the dummy pattern is a dot pattern arranged at a center portion between the nearby wiring patterns, and wherein a height of at least one dot constituting the dummy pattern is lower than heights of the nearby wiring patterns.

Abstract: A method for reading a demodulation pixel of a distance sensor for determining a distance, in particular for determining the difference between two charge quantities independently of the total magnitude of the charge quantities, and also a distance sensor are proposed. For faster signal processing, provision is made for applying a variable control voltage to the transfer gates for influencing the potential wall, and lowering the respective potential walls of the corresponding transfer gates, before and/or until from the storage gates in each case charge carriers can surmount the respective potential wall of the corresponding transfer gate and pass to the assigned floating diffusion.

Abstract: A vehicle perception sensor adjustment system includes a perception-sensor, a digital-map, and controller-circuit. The perception-sensor is configured to detect an object proximate to a host-vehicle. The perception-sensor is characterized as having a field-of-view that is adjustable. The digital-map indicates a contour of a roadway traveled by the host-vehicle. The controller-circuit in communication with the perception-sensor and the digital-map. The controller-circuit determines the field-of-view of the perception-sensor in accordance with the contour of the roadway indicated by the digital-map, and outputs a control-signal to the perception-sensor that adjusts the field-of-view of the perception-sensor.

Abstract: A method of measuring infrared spectral characteristics of a moving target, the method including: establishing a multi-dimensional and multi-scale model with infrared spectral features of an object-space target, and extracting an object-space region of interest measurement model; performing target detection on an actually measured infrared image, and identifying position information for each ROI of a target; tracking the target, to obtain the target's pixel differences between two frames, as well as a moving direction of the target, and performing motion compensation for the target; and scanning the target, and after successfully capturing an image of the target being tracked, controlling an inner framework to point to each target of interest, and according to moving-direction information of the target, performing N-pixel-size motion in a direction shifted by 90° with respect to the moving direction, and activating a spectrum measuring module.

Abstract: An electromagnetic wave detection apparatus (10) includes a separation unit (16), a first detector (17), a switch (18), and a second detector (20). The separation unit (16) separates incident electromagnetic waves so that the electromagnetic waves propagate in a first direction (d1) and a second direction (d2). The first detector (17) detects the electromagnetic waves that propagate in the first direction (d1). The switch (18) includes a plurality of switching elements (se). The switching elements (se) are capable of switching the propagation direction of the electromagnetic waves that propagate in the second direction (d2) to a third direction (d3) and a fourth direction (d4). The second detector (20) detects the electromagnetic waves that propagate in the third direction (d3).

Abstract: Sensors, including time-of-flight sensors, may be used to detect objects in an environment. In an example, a vehicle may include a time-of-flight sensor that images objects around the vehicle, e.g., so the vehicle can navigate relative to the objects. The sensor may generate first image data at a first configuration and second image data at a second configuration. The first image data and the second image data may be combined to provide disambiguated depth and improved intensity values for imaging the environment. In some examples, the first and second configurations may have different modulation frequencies, different integration times, and/or different illumination intensities. In some examples, configurations may be dynamically altered based on depth and/or intensity information of a previous frame.

Abstract: This disclosure is directed to calibrating sensors for an autonomous vehicle. First sensor data and second sensor data can be captured by one or more sensors representing an environment. The first sensor data and the second sensor data can be associated with a grid in a plurality of combinations to generate a plurality of projected data. A number of data points of the projected data occupying a cell of the grid can be summed to determine a spatial histogram. An amount of error (such as an entropy value) can be determined for each of the projected data, and the projected data corresponding to the lowest entropy value can be selected as representing a calibrated configuration of the one or more sensors. Calibration data associated with the lowest entropy value can be determined and used to calibrate the one or more sensors, respectively.

Abstract: A surveying device including a base defining a base axis (A), a support structure defining a rotation axis (B), a light emitting unit, a light receiving unit detecting reflected measuring light, and a rotation unit including a rotation body including at least one scanning mirror arranged tilted relative to the rotation axis (B) and a curved deflecting element different from the scanning surface. The surveying device also includes an imaging unit including a camera sensor which is fixedly arranged so that an optical axis of the camera sensor is directed towards the rotation body, such that only in a predetermined imaging-alignment of the rotation body around the rotation axis (B) the optical axis of the at least one camera sensor is deflected by the curved deflecting element by a desired angle and direction so that the field of view comprises a defined field angle around the rotation axis (B).

Abstract: In order to blur a virtual object in a video in real time as the video is acquired by a device capturing a real scene, a salient idea is used which estimates an apparent motion vector between two successive images, being captured at two successive device poses, in which the apparent motion vector estimation is based on a motion of the device. The successive images are then filtered based on the estimated apparent motion vector.

Abstract: Systems and methods disclosed herein includes a measurement device to enable dimensional metrology and/or 3D reconstruction of an object. The measurement device is positioned between the object and reference luminaires (e.g., light emitting diodes or other light sources). The measurement device uses the reference luminaires to determine the position and orientation of the measurement device. The measurement device may include a camera oriented towards the reference luminaires and may acquire/use images of reference luminaires to determine the position and orientation of the measurement device. Using the reference luminaires, the system may determine positions and orientations of the measurement device when the images of the reference luminaires are taken. The system may be configured to use the positions and the orientations of the measurement device to determine dimensions and/or 3D models of the object.

Abstract: Data from an intraoral scan is received, the data comprising a plurality of intraoral images of a dental site. At least two intraoral images are identified that comprise a representation of at least a portion of a non-rigid object that was affixed to the dental site at a target area. Image registration is performed between the at least two intraoral images using the non-rigid object identified in the at least two intraoral images. A 3D model of the dental site is generated based on the image registration. A representation of the non-rigid object is subtracted from the 3D model based on the known properties of the non-rigid object. A surface of a portion of the dental site is interpolated where the non-rigid object was located based on a) data for other portions of the dental site and b) the surface of the base of the non-rigid object.

Abstract: Optical systems and methods for collecting distance information are disclosed. An example optical system includes a bulk receiving optic, a plurality of illumination sources, a pixel array comprising at least a first column of pixels and a second column of pixels, each pixel in the first column of pixels being offset from an adjacent pixel in the first column of pixels by a first pixel pitch, the second column of pixels being horizontally offset from the first column of pixels by the first pixel pitch, the second column of pixels being vertically offset from the first column of pixels by a first vertical pitch; and a set of input channels interposed between the bulk receiving optic and the pixel array.

Abstract: A distance measurement device includes an imaging unit, a measurement unit that measures a distance to a subject by emitting directional light which is light having directivity to the subject and receiving reflection light of the directional light, and a deriving unit that acquires a correspondence relation between an in-provisional-image irradiation position, which corresponds to an irradiation position of the directional light onto the subject, within a provisional image acquired by provisionally imaging the subject by the imaging unit whenever each of a plurality of distances is provisionally measured by the measurement unit and a distance which is provisionally measured by the measurement unit by using the directional light corresponding to the in-provisional-image irradiation position, and derives an in-actual-image irradiation position, within an actual image acquired by performing actual imaging by the imaging unit, based on the acquired correspondence relation.

Abstract: A light source for illuminating a selected surface, the light source comprising a plurality of Light Emitting Diodes (LED) mounted on a substrate; each of the plurality of LEDs having an optical axis and generating a radiation pattern propagating along the optical axis. The plurality of LEDs are arranged so that each optical axis is oriented substantially towards a determined far-field central point; and the plurality of LEDs provide a predetermined irradiance distribution on the selected surface. Each of the radiation patterns defines a preferential direction; and each of the plurality of LEDs is arranged so that the preferential direction of each of the plurality of LEDs is unique.

Abstract: A photogrammetry analysis unit of an analysis device associates the survey result obtained by a surveying device with a photographing position of each image taken by a camera, recognizes the surveying device from the image containing the surveying device, corrects the photographing position based on the known point coordinates of the surveying device, and generates the data for photogrammetry.

Abstract: The present disclosure relates to systems and methods that facilitate light detection and ranging operations. An example transmit block includes at least one substrate with a plurality of angled facets. The plurality of angled facets provides a corresponding plurality of elevation angles. A set of angle differences between adjacent elevation angles includes at least two different angle difference values. A plurality of light-emitter devices is configured to emit light into an environment along the plurality of elevation angles toward respective target locations so as to provide a desired resolution and/or a respective elevation angle. The present disclosure also relates to adjusting shot power and a shot schedule based on the desired resolution and/or a respective elevation angle.

Abstract: A device for optically measuring the distance from a reflective target object is disclosed. The device includes a beam source, a detector, a beam shaping system with a transmitter lens and a receiver lens and a laser beam shaping element which can be positioned in the beam path of the laser beam. The laser beam shaping element is embodied as a transmission aperture system with at least one transmission aperture, where at least one transmission aperture creates a partial beam and the partial beam widens to one or more beam angles which are no smaller than a minimum critical angle of 1.0 mrad.

Abstract: Arrangements (e.g., apparatus, system, method, article of manufacture) for reconstructing a depth image of a scene. Some embodiments include: a processor; and a non-transitory computer readable medium to store a set of instructions for execution by the processor, the set of instructions to cause the processor to perform various operations. Operations include: collecting multiple data sets for a code-modulated light pulse reflected from an object in a scene, with each data set associated with a direction in a set of directions for the reflected code-modulated light pulse; assigning a fitness value to each data set based on one or more parameters of a model; and reconstructing a depth image providing a depth at each direction based on a corresponding data set and fitness value, the depth to correspond with a round-trip delay time of the code-modulated light pulse.

Abstract: In an example, distance determination can utilize an electronic device including an infrared sensor to detect a thermal signature of a subject at a first location and a thermal signature of the subject at a second location, a distance sensor to determine a distance of the subject at the first location from the electronic device, and a controller to determine a physical size based on the determined distance and the thermal signature of the subject at the first location, and determine a distance of the subject at a second location based on the physical size and a thermal signature of the subject at the second location.

Abstract: A laser scanner includes a distance measuring unit which has a light emitting element for emitting a distance measuring light, a distance measuring light projecting unit, a light receiving unit and a photodetector for producing a light receiving signal, and which performs a distance measurement based on the light receiving signal, an optical axis deflecting unit provided on a distance measuring optical axis and for deflecting the distance measuring optical axis, a projecting direction detecting unit for detecting a deflection angle of the distance measuring optical axis and a control component for controlling the optical axis deflecting unit and the distance measuring unit, wherein the optical axis deflecting unit comprises a pair of optical prisms capable of rotating and motors for rotating the optical prisms, and wherein the control component is configured to control the optical axis deflecting unit, scan the distance measuring light and acquire scanning data under scanning conditions corresponding to a mea

Abstract: A distributed aperture system includes a first aperture and a second aperture. The first aperture has a first field of regard and a first resolution. The second aperture has a second aperture and a second resolution and a second field of regard. The second field of regard overlaps the first field of regard and the second resolution is greater than the first resolution to provide high resolution heading information and low resolution peripheral information in a common 3D image for obstacle avoidance. Obstacle avoidance systems and imaging methods are also described.

Abstract: A structure applies a pre-load to a rolling bearing, which makes pre-load control easier than heretofore and enables low cost production. A pre-load applying structure is configured to apply a pre-load to a bearing of a scanning part of a three-dimensional survey device. The three-dimensional survey device includes the bearing having an inner ring to which a vertically rotating shaft is fixed, a scanning mirror attached to the vertically rotating shaft, and a motor for rotationally driving the vertically driving shaft. The pre-load applying structure has a sleeve that engages with an outer ring of the bearing, a plate spring that detachably engages with the sleeve and is fastened to a housing body with a screw, and a ring that detachably join the sleeve and the plate spring. The plate spring applies the pre-load to the outer ring via the sleeve by elastic deforming.

Abstract: Sighting systems and respective methods are provided, which utilize one or more image sensors to capture target images and display them in a display device, in association with a sight symbol, at a specified region which is reflected toward the user. Another part of the display device is used to provide a graphical user interface which allows the user adjust the sight symbol for boresighting and for further operational needs. The display device and associated optical elements are held by a housing attached to the firearm. Internal and/or external information may be presented on the reflected display part to provide and enhance the displayed information. The sighting system may utilize a single flat touchscreen to provide both the image with the sight symbol, which is reflected from the touchscreen toward the user, and the user interface.

Abstract: Disclosed are a multi-line lidar and a control method therefor. The multi-line lidar comprises: a laser emitter (110) for emitting outgoing lasers, comprising a plurality of laser emitting boards (111, 211, 212, 211, 212, 213, 310 and 320), and an optical collimating unit (120) for collimating the outgoing lasers. Light-emitting surfaces of the plurality of laser emitting boards (111) are located in a focal plane (130) of the optical collimating unit (120).

Abstract: A method and apparatus to scan and measure the surface of objects using a radiation source, such as a laser. When combined with bio-data from bio-sensors to create a profile, the invention is particularly useful for measuring the internal surface of a prosthetic socket and improving the fit between the socket and the residual limb.

Abstract: High-resolution thermopile infrared sensor array having a plurality of parallel signal processing channels for the signals of a sensor array and a digital port for serially emitting the signals. Each signal processing channel comprises at least one analog to digital converter and is assigned a memory for storing the results of the analog to digital converters. Power consumption of the infrared sensor array is reduced in the case of a sensor array with at least 16 rows and at least 16 columns, in that no more than 8 or 16 pixels are connected to a signal processing channel. The number of signal processing channels corresponds to at least 4 times the number of rows. Some of the signal processing channels are disposed in the intermediate space between the pixels and others are disposed in an outer edge region of the sensor chip surrounding the sensor array along with other electronics.

Abstract: A system for landing or docking a mobile platform is enabled by a flash LADAR sensor having an adaptive controller with Automatic Gain Control (AGC). Range gating in the LADAR sensor penetrates through diffuse reflectors. The LADAR sensor adapted for landing/approach comprises a system controller, pulsed laser transmitter, transmit optics, receive optics, a focal plane array of detectors, a readout integrated circuit, camera support electronics and image processor, an image analysis and bias calculation processor, and a detector array bias control circuit. The system is capable of developing a complete 3-D scene from a single point of view.

Abstract: A detector system within a lidar receiver is configured to compensate for range walk error by detecting both the rising edge and the falling edge of a received light pulse as the envelope of the received light pulse passes through a particular detection (magnitude) threshold. Detection circuitry within the detector system then determines the center of the received light pulse as the point equidistant in time between the detected rising and falling edges of the received light pulse, and uses the time associated with the center of the received light pulse to determine the range to the target from which the scattered light pulse was received.

Abstract: An example method is provided for presentation of a digital image of an object. The method comprises aligning a plurality of sensors with a projector unit, receiving, from a sensor of the plurality of sensors, an image of an object on a surface, detecting features of the object, and presenting the image on the surface based on the features of the object. The features include location and dimensions, wherein dimensions of the image match the dimensions of the object and location of the image overlap with the location of the object on the surface.

Abstract: A virtual reality glasses is disclosed. The virtual reality glasses includes a glasses body, a headband, a drive device and a control device. Two ends of the headband are respectively connected to two ends of the glasses body, and at least one pressure detection device is provided on the headband and/or the glasses body and is configured to detect a pressure applied on a head by at least one of the headband and the glasses body; the drive device is configured to tension and loosen the headband; the control device is configured to communicate with the pressure detection device and the drive device, so as to allow the control device to control the drive device to tension or loosen the headband based on the pressure applied on the head by the at least one of the headband and the glasses body.

Abstract: A LIDAR system emits laser pulses, wherein each pulse is associated with a power level. A laser emitter is adjusted during operation of a LIDAR system using power profile data associated with the laser. The power profile data is obtained during a calibration procedure and includes information that associates charge duration for a laser power supply with the actual power output by laser. The power profiles can be used during operation of the LIDAR system. A laser pulse can be emitted, the reflected light from the pulse received and analyzed, and the power of the next pulse can be adjusted based on a lookup within the power profile for the laser. For instance, if the power returned from a pulse is too high (e.g., above some specified threshold), the power of the next pulse is reduced to a specific value based on the power profile.

Abstract: Described is an apparatus and method for data compression using compressive sensing in a wearable device. Described is also a machine-readable storage media having instruction stored thereon, that when executed, cause one or more processors to perform an operation comprising: receive an input signal from a sensor; convert the input signal to a digital stream; and symmetrically pad on either ends of the digital stream with a portion of the digital stream to form a padded digital stream.