Abstract: In examples, a relative skin reflectance of a captured image of a subject is quantified. Based on the relative skin reflectance, the captured image is determined as suitable or not suitable for biometric identification. When the captured image is determined not suitable, a remedial capture setting is calculated and provided to an image capturing resource. Another captured image of the subject, captured under the remedial capture setting, is received from the image capturing resource. The relative skin reflectance of the another captured image is quantified and based thereon, there is a determining of whether the another captured image is suitable or is not suitable.

Abstract: A computing system may include a fail-safe learning engine configured to access camera data captured by multiple cameras positioned within an environment during a learning phase, generate training data based on the camera data captured by the multiple cameras, and construct a human detection model using the training data. The computing system may also include a fail-safe trigger engine configured to access camera data captured by the multiple cameras positioned within the environment during an active phase, and the camera data captured during the active phase may include a target object. The fail-trigger engine may further be configured to provide, as an input to the human detection model, the camera data that includes the target object and execute a fail-safe action in the environment responsive to the determination, provided by the human detection model, indicating that the target object is a human.

Abstract: A vehicular interior rearview mirror assembly includes a mirror head accommodating an interior rearview mirror reflective element. The mirror reflective element has a mirror transflector that transmits near infrared light incident thereon, transmits visible light incident thereon and reflects visible light incident thereon. The mirror transflector includes repeating alternating layers of a higher refractive index layer and a lower refractive index layer. A megapixel camera is disposed within the mirror head behind the mirror reflective element and views through the mirror transflector. A near infrared illumination source is disposed within the mirror head and operable to emit near infrared light that passes through the mirror transflector. Responsive at least in part to the data processor processing captured image data, at least one selected from the group consisting of (i) driver attentiveness is monitored, (ii) driver drowsiness is monitored and (iii) driver gaze direction is monitored.

Abstract: Aspects of the disclosure relate to user authentication. A computing platform may validate, after launch of an application, initial authentication credentials and geolocation information for a user of a client device. The computing platform may cause the client device to activate the integrated camera. The computing platform may receive, from the client device, video information indicating multiple viewpoints from perspectives of the client device, and including any individuals within a predetermined distance of the client device. The computing platform may generate faceprints, each corresponding to one of the individuals within the predetermined distance. The computing platform may compare, using an AI engine, the faceprints to stored faceprints of authenticated users. Based on identifying that at least one of the individuals is not authenticated, the computing platform may mask an application user interface for the application.

Abstract: An interaction information estimation method is provided. The method includes the steps of: determining, on the basis of a relationship between a product region and a first person detected in a plurality of video frames, whether contact is made between the first person and a product included in the product region, thereby estimating information on an interaction between the first person and the product on the basis of a result of the determination; and validating the estimated information on the interaction.

Abstract: An example system includes a first camera to capture a first image of a first facial body part and a second camera to capture a second image of a second facial body part. The example system further includes a transformation engine to transform respective scales of the first image and the second image to a scale of full facial images. The example system further includes a local location engine to: identify first facial landmarks and second facial landmarks in respective transformed versions of the first image and the second image, the first facial landmarks and the second facial landmarks used to determine that an action has occurred.

Abstract: An image processing device includes: a light emitting unit that emits a near-infrared ray to a target; a light emission controlling unit that controls a light emission amount of the light emitting unit on a basis of a distance value between the target and the light emitting unit; and a detecting unit that detects a feature point on the basis of a captured image of the target irradiated with the near-infrared ray.

Abstract: A vehicular cabin monitoring system includes an interior rearview mirror assembly configured for attaching at an interior portion of an equipped vehicle and having a having a mirror head accommodating a driver monitoring camera and first and second near infrared light emitters. When the equipped vehicle is a left hand drive vehicle, a beam of light emitted by the first near infrared light emitters is directed toward a driver-side front seating location of the left hand drive vehicle when the first near infrared light emitter emits near infrared light for a driver monitoring function. When the equipped vehicle is a right hand drive vehicle, a beam of light emitted by the second light emitting element is directed toward a driver-side front seating location of the right hand drive vehicle when the second near infrared light emitter emits near infrared light for the driver monitoring function.

Abstract: Techniques for an objection detection feature are described herein. Images of an object captured by a camera may be received along with information that includes a first timestamp. A presence of the object and a type of the object may be determined based on a computer vision model that uses the images. First RFID data may be received from an RFID sensor from an RFID tag associated with the object. The first RFID data may include a second timestamp and an identifier for the RFID tag. A determination that the object has entered the area may be determined based on the presence of the object within the images, the first RFID data, the first timestamp, and the second timestamp. A threshold for the object may be determined based on the first timestamp, the second timestamp, and one or more policies for the area.

Abstract: Disclosed is a method of measuring a physiological parameter in a contactless manner. The method includes acquiring a plurality of image frames for a subject, acquiring a first color channel value, a second color channel value, and a third color channel value for at least one image frame included in the plurality of image frames. The method further includes calculating a first difference and a second difference on the basis of the first color channel value, the second color channel value, and the third color channel value for at least one image frame included in the plurality of image frames. The first difference represents a difference between the first color channel value and the second color channel value for the same image frame, and the second difference represents a difference between the first color channel value and the third color channel value for the same image frame.

Abstract: The present disclosure generally relates to a method for authenticating a user using an electronic device, where the electronic device comprises a biometric sensing system as well as a first, a second and a third control unit. The present disclosure also relates to a corresponding electronic device and to a computer program product.

Abstract: The present disclosure relates generally to medical imaging, and more specifically to enhancing medical images (e.g., images taken in low-light conditions) using machine-learning techniques. An exemplary method of obtaining an enhanced fluorescence medical image of a subject comprises: receiving a fluorescence medical image of the subject (e.g., NIR images); providing the fluorescence medical image to a generator of a trained generative adversarial network (GAN) model trained using a plurality of white light images; and obtaining, from the generator, the enhanced fluorescence medical image of the subject.

Abstract: A gateway-based situation monitoring system, includes: a plurality of edge sensor terminals each installed in a specific place, connected according to at least one wireless communication scheme, and collecting life signals generated in the specific place as monitoring information; a gateway terminal selectively connected to the plurality of edge sensor terminals according to the at least one wireless communication scheme, receiving the life signal, and transmitting the received life signal to a cloud server; and a cloud server detecting the occurrence of an abnormal situation while monitoring the specific space by analyzing the life signal received from the gateway terminal.

Abstract: Embodiments of the present application provide a method for fingerprint identification, and electronic device. The method includes: acquiring a first image collected by a fingerprint sensor at a first exposure time; determining whether to acquire a second image collected by the fingerprint sensor at a second exposure time according to the first image, where the second exposure time is continuous with the first exposure time, and a length of the second exposure time is greater than or equal to a length of the first exposure time; performing fingerprint identification according to the first image, or, the first image and the second image. The method, and electronic device of the embodiments of the present application can take into account an unlocking rate and unlocking time, thereby improving unlocking experience of a user.

Abstract: An overhead lighting system is set forth comprising a master module having a sensor for measuring distance to an area of interest, and at least one peripheral module pivotally connected to the master module, the at least one peripheral module having at least one lamp and a mechanism for pivoting the at least one peripheral module to an angle relative to the master module based on the distance to the area of interest, for focusing the at least one lamp on the area of interest.

Abstract: In a method for multipath reflection correction of acoustic signals received at an ultrasonic sensor, characteristics of multipath reflection signals of the ultrasonic sensor are accessed, wherein the characteristics of the multipath reflection signals include a relationship of primary signal contributions to multipath reflection signal contributions for acoustic signals received at the ultrasonic sensor at a plurality of times of flight for a plurality of locations of the ultrasonic sensor. Acoustic signals are received at the ultrasonic sensor over a time of flight range while a target is interacting with the ultrasonic sensor, wherein the acoustic signals include a primary signal contribution and a multipath reflection signal contribution. The characteristics of the multipath reflection signals are compared to received acoustic signals.

Abstract: Systems and methods for visualizing fluid flows in a virtual reality (VR) environment are disclosed. A digital volume image representing a reservoir formation sample is obtained from an imaging device. The digital volume is segmented by assigning hydraulic properties of the formation sample to each volume element based on image properties associated with that volume element. Fluid flow is simulated using the segmented digital volume. A vector field representing flow properties at different points along one or more flow lines through the pore space is generated. An interactive visualization of a three-dimensional (3D) virtual environment representing the formation sample with the flow line(s) is provided via a VR display. Responsive to receiving user input specifying an area of the environment to view at a selected level of detail, the specified area is rendered at the selected level of detail and a current view of the interactive visualization is updated accordingly.

Abstract: This application relates to teaching applications of virtual reality technology, and provides a three-dimensional (3D) integrated teaching field system based on a flipped platform and a method for operating the same. The system includes a device deployment module, a teaching resource matching module, an acquisition and processing module and an edge computing module. The method includes spatial division of the 3D comprehensive teaching field system in an offline classroom, device deployment, edge computing, holographic display, data acquisition, motion positioning, and construction of a teaching interactive environment.

Abstract: An electronic device may include: a display device; a battery; a digitizer positioned between at least the display device and the battery and including a first circuit board; a fingerprint sensor including a second circuit board and a third circuit board; and a processor electrically connected to the display device, the digitizer, and the fingerprint sensor. The first circuit board may include a first conductive pattern for recognizing an input device, the second circuit board may include a second conductive pattern for recognizing the input device, the third circuit board may include a third conductive pattern for recognizing a fingerprint, and the first conductive pattern and the second conductive pattern may be electrically connected. Various other embodiments that can be recognized through the specification are also possible.

Abstract: A method for 3D imaging of a sample, in a vessel having a longitudinal axis orthogonal to a horizontal plane, includes capturing, by at least three cameras located at different positions around the vessel, respective 2D images of the sample. Each image comprises pixels having associated pixel values. The optical axis of a first camera is inclined or declined at a first angle relative to the horizontal plane, with the first angle being greater than or equal to zero degrees. The optical axis of a second camera is inclined or declined at a second, larger angle relative to the horizontal plane. The method also includes generating a 3D image of the sample based on the pixel values associated with the 2D image pixels, and one or more look-up tables that collectively indicate, for pixels in each image, expected paths for light traversing the vessel and the sample.

Abstract: A visual sensor having a light sensitive element and a processor, the processor being adapted to recognize whether a cap is on or off the light sensitive element by recognizing a unique identification pattern coded into the light sensitive element.

Abstract: A vehicular interior rearview mirror assembly includes a mirror head accommodating an interior mirror reflective element. The mirror reflective element has a mirror transflector that transmits near infrared light incident thereon, transmits visible light incident thereon and reflects visible light incident thereon. A camera is disposed within the mirror head and views through the mirror transflector. The camera includes an imaging sensor having a quantum efficiency (QE) of at least 15% for near infrared light having a wavelength of 940 nm. First, second and third near infrared illumination sources are disposed within the mirror head and operable to emit near infrared light that passes through the mirror transflector. The near infrared illumination sources are at respective locations at the mirror reflective element and, when powered, illuminate respective seat regions for a driver-monitoring function or an occupant-detection function.

Abstract: A system is used to excite an object at a vibration frequency, in order to induce stationary or travelling waves having the vibration frequency on the surface of the object. An optical interferometer is configured to use optical interference to determine vibration amplitude and phase data of the stationary or travelling wave at each of a plurality of points on the surface, relative to a reference phase. A processing system is used to apply a spatial derivative filter to the vibration phase data, and the resulting spatial-derivative-of-phase data is processed to determine a property of the object, and is further processed to generate graphical-representation data for outputting on a display device.

Abstract: An optical filter array is used in a photodetection device that generates image data separately for each of N (where N is an integer greater than or equal to 4) wavelength bands. The optical filter array includes a plurality of optical filters. The plurality of optical filters include plural types of optical filters differing in transmittance from each other in each of the N wavelength bands. Assuming that pi is an average of transmittances of the plurality of optical filters for light in an ith wavelength band (where i is an integer greater than or equal to 1 and less than or equal to N) of the N wavelength bands, a standard deviation of the average ?i of the transmittances for the N wavelength bands is less than or equal to 0.13.

Abstract: A surgical monitoring system including a machine vision sensor, an electronic controller communicatively coupled to the machine vision sensor, the electronic controller including a processor and a memory storing a computer readable instruction set, where, when the computer readable instruction set is executed by the processor, the electronic controller, detects a position of a subject with the machine vision sensor, detects a position of a person support apparatus, compares the detected position of the subject with the detected position of the person support apparatus, and determines if the detected position of the subject and the detected position of the person support apparatus indicates that the subject is not aligned with the person support apparatus.

Abstract: A room device comprising two or more connectors (2a, 2b, 15) for providing building power to the room device (1); a device controller (3a) configured to operate a heating, ventilation and/or air-conditioning system (4); a device memory (3b) in operative communication with the device controller (3a); wherein the device memory (3b) and the device controller (3a) require building power for standard operation; a transponder controller (5a) and an antenna (5c); a transponder memory (5b) being powerable by the transponder controller (5a); a device firmware stored in the device memory (3b), the device firmware including instructions causing the device controller (3a) upon providing building power to the room device (1) to: connect to the transponder controller (5a) such that the device controller (3a) is in operative communication with the transponder controller (5a); transfer the initial configuration data stored in the transponder memory (5b) to the device memory (3b).

Abstract: Devices, systems, and methods for monitoring musculoskeletal (MSK) health conditions of an individual, including joint flexibility, strength, and endurance as part of their overall care plan are described here. The overall system includes: a sensor that can be worn anywhere on the human body, an engaging app on a mobile-computing device, and software-based analytics and care management engine running on a cloud-computing infrastructure. The sensor is tuned to measure any human joint movement in any direction or axis as well as elevation and temperature. Methods performed by the various devices and systems and how it improves MSK health are provided.

Abstract: Object overlay for vehicle occupants includes determining that visibility of an object in a view of a vehicle occupant through a transparent surface of the vehicle is degraded, the object being in an environment in which the vehicle travels, selecting from an image repository a reference image of the object, extracting, from the reference image, an image portion comprising an image of a least a portion of the object, transforming the extracted image portion to correspond to the view of the vehicle occupant, the transforming producing a transformed image portion, and displaying the transformed image portion on the transparent surface and interposed in a line-of-sight of the vehicle occupant to the object in the environment such that the transformed image portion overlays at least a portion of the vehicle occupant's view through the transparent surface to the object in the environment.

Abstract: A user device (e.g., voice assistant device, voice enabled device, smart device, computing device, etc.) may receive/detect audio content (e.g., speech, etc.) that includes a wake word and/or words similar to a wake word. The user device may require a wake word, a portion of the wake word, or words similar to the wake word to be detected prior to interacting with a user. The user device may, based on characteristics of the audio content, determine if the audio content originates from an authorized user. The user device may decrease and/or increase scrutiny applied to wake word detection based on whether audio content originates from an authorized user.

Abstract: Object recognition scanning systems and methods for implementing artificial intelligence based item determination are disclosed herein. Example object recognition scanning systems and methods include imaging, by an imager having a field of view (FOV) extending over a scanning area, one or more items within the FOV, and receiving image data of an item imaged by the imager during a scanning session. A trained object recognition model, taking the image data as input, determines a product identification probability for the item. The object recognition scanning systems and methods include executing one of: (a) a first decoding sequence including, (b) a second decoding sequence, or (c) a mismatch detection sequence.

Abstract: Methods, devices, and systems related to determining biometric data using an array of infrared (IR) illuminators are described. In an example, a method can include projecting a number of IR dots on a user using a dot projector and an array of IR illuminators, capturing an IR image of the number of IR dots using an IR camera, comparing a number of pixels of the captured IR image to a number of corresponding pixels of a baseline IR image using a processing resource, and determining biometric data of the user at least partially based on comparing the captured IR image to the baseline IR image using the processing resource.

Abstract: A system and method to measure blood oxygenation levels and total hemoglobin on individually selected blood vessels, to provide a representation of the subject condition and of tissue perfusion that may be used for diagnosing specific tissue conditions. Reflection spectra from individual blood vessels or a collection of vessels are measured by using wide-field imaging for selecting target vessels and a narrow-field confocal detection system to enable measuring local blood oxygenation and hemoglobin. Optical fibers may be used to illuminate the target vessel and to detect light diffusively reflected therefrom. The reflection spectra may be analyzed in a spectrometer to extract the ratio of the deoxy- to oxyhemoglobin and to determine their absolute concentration for computing total hemoglobin levels. An alternative implementation uses image processing on camera images of a blood vessel, generated at an isosbestic wavelength of the deoxy- and oxyhemoglobin, and optionally also at neighboring wavelengths.

Abstract: It is possible for a user to measure his/her head-related transfer characteristics with high accuracy. There is provided an information processing device 10 including: an interface control unit 140 that controls a user interface related to measurement of a head-related transfer function of a user, in which the interface control unit controls an output of guide information guiding a direction of a head of the user to a designated direction. In addition, there is provided an information processing method including: controlling a user interface related to measurement of a head-related transfer function of a user by a processor 871, in which the controlling of the user interface further includes controlling an output of guide information guiding a direction of a head of the user to a designated direction.

Abstract: A frictionless access control system and method embodying satellite cameras for facial recognition are disclosed. The cameras capture image data of individuals at an access point such as a door. Preferably, two or more cameras are placed on opposite sides of the access point to increase the likelihood that the individuals are captured in the image data. A facial cropper module extracts facial patches from the image data, and a facial signature module computes facial signatures from the facial patches. A facial recognition module receives the computed facial signatures from the facial signature module, matches the computed facial signatures to stored facial signatures, and sends user identity information of individuals corresponding to the stored facial signatures to the facial signature module when the computed facial signatures match the stored facial signatures.

Abstract: An optical scanning imaging/projection apparatus includes a light source that outputs illumination light and projection light in the visible range, an optical scanner that scans the illumination light and the projection light, which are output from the light source, along a predetermined scanning trajectory, a switch that switches the output from the light source so that the illumination light and the projection light are alternately output, an optical detector that detects observation light generated by a subject irradiated with the illumination light, a storage that stores data in which an intensity of the detected observation light detected is associated with information indicating a detection position on the scanning trajectory, and a projection light controller that controls, on the basis of the data stored in the storage unit, an intensity of the projection light to be applied to each position on the scanning trajectory.

Abstract: A vehicle operation detection device is applicable to a vehicle including a vehicle body in which an opening portion is provided, an opening and closing body which opens and closes the opening portion, an actuator which causes the opening and closing body to perform opening and closing operations, and a camera which captures an image around the opening portion, and is configured to detect a gesture of a user for starting at least one of the opening operation and the closing operation. The device includes: a direction specifying unit that specifies a direction of the user with respect to the vehicle based on the image captured by the camera; and a gesture detection unit that detects the gesture including a motion in a direction associated with the direction of the user, based on the image captured by the camera, when the direction specifying unit specifies the direction of the user.

Abstract: A method for reconstructing single-slice image data sets from k-space measured data sets that have been acquired simultaneously from at least two slices from an examination object. The method includes an iterative modification and hence an optimization of the underlying k-space trajectories in the reconstruction of individual image data sets from collapsed measured data sets acquired from a plurality of slices and hence a retrospective reduction of interference in the individual image data sets that are obtained.

Abstract: Systems and methods for generating a virtual view of a virtual camera based on an input scene are described. A capturing device typically includes a physical camera and a depth sensor and captures an input scene. A controller determines an actual pose of the capturing device and a desired pose of the virtual camera for showing the virtual view. The controller defines an epipolar geometry between the actual pose of the capturing device and the desired pose of the virtual camera. The controller generates an output image for the virtual camera based on an epipolar relation between the actual pose of the capturing device, the input scene, and the desired pose of the virtual camera.

Abstract: A display device may include: a first substrate including pixel areas; a circuit element layer disposed on a first surface of the first substrate, and including at least one conductive layer; a light emitting element layer disposed on the circuit element layer; pixels each including a circuit element and a light emitting element disposed on the circuit element layer and the light emitting element layer in a corresponding one of the pixel areas; a first light transmitting hole array layer including first light transmitting holes distributed in the circuit element layer; and a photo sensor array layer disposed on a second surface of the first substrate and configured to overlap with the first light transmitting hole array layer, the photo sensor array layer comprising photo sensors. The first light transmitting holes may include openings distributed in the at least one conductive layer.

Abstract: A Phacoemulsification surgical system provides a live video feed from a camera that is attached to a surgical microscope. The live video feed is shown as part of a graphical user interface (GUI) of phacoemulsification surgical console either in a picture in picture or a full-screen format. The video feed is either static or displayed on-demand as needed during a surgical procedure. The displaying of a live video feed directly on the phacoemulsification surgical console allows for surgical assistants to interact with the live video feed and phacoemulsification surgical system parameters and/or GUI controls without having to refocus on an external object between near and far distances.

Abstract: For patient weight estimation in a medical imaging system, a patient model, such as a mesh, is fit to a depth image. One or more feature values are extracted from the fit patient model, reducing the noise and clutter in the values. The weight estimation is regressed from the extracted features.

Abstract: A method, apparatus, and system for estimating a moving speed of a detected pedestrian at an autonomous driving vehicle (ADV) is disclosed. A pedestrian is detected in a plurality of frames of point clouds generated by a LIDAR device installed at an autonomous driving vehicle (ADV). In each of at least two of the plurality of frames of point clouds, a minimum bounding box enclosing points corresponding to the pedestrian excluding points corresponding to limbs of the pedestrian is generated. A moving speed of the pedestrian is estimated based at least in part on the minimum bounding boxes across the at least two of the plurality of frames of point clouds. A trajectory for the ADV is planned based at least on the moving speed of the pedestrian. Thereafter, control signals are generated to drive the ADV based on the planned trajectory.

Abstract: The invention relates to a method and system for providing feedback to a patient using an inhaler of a specific type for inhaling a therapeutic aerosol according to instructions for use provided to the patient with the inhaler. The method comprises the steps of obtaining a sequence of digital audio signals and a sequence of digital video signals emitted from the patient while using the inhaler, recognising the type of the inhaler by processing the video signals, recognising whether the patient has deviated from the instructions by processing the audio and video signals, and recognising the type of the deviation; and presenting to the patient one or more feedback messages indicating whether a deviation was recognised, and if so, what type of deviation occurred, and optionally an inhalation manoeuvre without the deviation.

Abstract: A method for visualizing tissue of a subject includes receiving a first series of first imaging modality frames generated by imaging a region of tissue of the subject, and a first series of second imaging modality frames generated by imaging the region of tissue; displaying the first series of first imaging modality frames in combination with the first series of second imaging modality frames; storing a plurality of first imaging modality frames and a plurality of second imaging modality frames of the first series of second imaging modality frames in a memory; receiving a second series of first imaging modality frames generated by imaging the region of tissue; and displaying the second series of first imaging modality frames in combination with one or more of the second imaging modality frames of the first series of second imaging modality frames stored in the memory for visualizing the region of tissue.

Abstract: Various embodiments of a physical instrument are described herein. The physical instrument comprises a reference array platform having a top surface and a bottom surface. A reference array including one or more different fiducial markers is disposed on the top surface of the reference array platform. The reference array platform may have a bent physical configuration or a tilted physical configuration. An adhesive layer is disposed on the bottom surface of the reference array platform.

Abstract: An optical arrangement for a motor vehicle includes a head up display light field emitter that emits a light field. At least one mirror is positioned to reflect the light field such that the light field is again reflected by a windshield of the vehicle, and such that the light field is visible to a driver of the vehicle as a virtual image. The at least one mirror has a transparent section. A driver monitoring camera is positioned to capture an image of a face of the driver through the transparent section of the at least one mirror.

Abstract: The present disclosure generally relates to user interfaces. In some examples, the electronic device transitions between user interfaces for capturing photos based on data received from a first camera and a second camera. In some examples, the electronic device provides enhanced zooming capabilities that result in visual pleasing results for a displayed digital viewfinder and for captured videos. In some examples, the electronic device provides user interfaces for transitioning a digital viewfinder between a first camera with an applied digital zoom to a second camera with no digital zoom. In some examples, the electronic device prepares to capture media at various magnification levels. In some examples, the electronic device enhanced capabilities for navigating through a plurality of values.

Abstract: A method and a device for driver state evaluation are provided. In a detection step, in a sensor-aided manner, a driver's viewing direction in a field of view defined relative to the vehicle is detected and a solid angle oriented to the viewing direction is determined depending on at least one parameter that influences the field of view. In an evaluation step, at least one object point of the three-dimensional surroundings of the driver is evaluated on the basis of the latter's position with respect to the solid angle determined and an attentiveness-related driver state is ascertained depending on this evaluation and is output.

Abstract: The disclosure relates to an endoscopic system. The system may include a single optical fiber. The system may further include a light source which transmits light into the single optical fiber. An image sensor may be provided within the endoscopic system and disposed at a distal end of the single optical fiber. The endoscopic system may be additionally fitted with a diffuser on the distal end of the single optical fiber which outputs a light cone that is broader than an output of the single optical fiber without the diffuser.

Abstract: A compact light source for a projection display is disclosed enabling eye-glass display using a Fresnel mirror reflecting light without a distance as conventional prism type reflector.