Abstract: A method and apparatus for simulating depth of field (DOF) in microscopic imaging, the method comprising computing a blur quantity for each pixel of an all-focus image, performing point spread function operations on one or more regions of the all-focus image, computing intermediate and normalized integral images on the regions and determining an output pixel for the each pixel based on the intermediate and normalized integral images.

Abstract: A method for depth mapping includes illuminating an object with a time-coded pattern and capturing images of the time-coded pattern on the object using a matrix of detector elements. The time-coded pattern in the captured images is decoded using processing circuitry embedded in each of the detector elements so as to generate respective digital shift values, which are converted into depth coordinates.

Abstract: An image processing apparatus includes a light receiver to transduce a light reflected from an object into an electron corresponding to an intensity of the light, a measurer to measure quantities of charge on the electron with respect to at least two different divided time sections of an integration time section for acquiring a depth image, and an image generator to generate a depth image using at least one of the at least two measured quantities of charge on the electron.

Abstract: A method and device for high-resolution three-dimensional (3-D) Imaging which obtains camera pose using defocusing is disclosed. The device comprises a lens obstructed by a mask having two sets of apertures. The first set of apertures produces a plurality of defocused images of the object which are used to obtain camera pose. The second set of optical filters produces a plurality of defocused images of a projected pattern of markers on the object. The images produced by the second set of apertures are differentiable from the images used to determine pose, and are used to construct a detailed 3-D image of the object. Using the known change in camera pose between captured images, the 3-D images produced can be overlaid to produce a high-resolution 3-D image of the object.

Abstract: A photographing control method is provided. The photographing control method includes capturing an image of an object, detecting a facial area from within the captured image of the object, adjusting a location of the photographing apparatus based on a location of the detected facial area, and adjusting a zooming state of the photographing apparatus so that a size of the detected facial area falls within a predetermined size range.

Abstract: Disclosed is a method for compensating for motion blur when performing a 3D scanning of at least a part of an object by means of a 3D scanner, where the motion blur occurs because the scanner and the object are moved relative to each other while the scanning is performed, and where the motion blur compensation comprises:—determining whether there is a relative motion between the scanner and the object during the acquisition of the sequence of focus plane images;—if a relative motion is determined, performing a motion compensation based on the determined motion; and—generating a 3D surface from the sequence of focus plane images.

Abstract: The present invention relates to safety in a dynamic 3D healthcare environment. The invention in particular relates to a medical safety-system for dynamic 3D healthcare environments, a medical examination system with motorized equipment, an image acquisition arrangement, and a method for providing safe movements in dynamic 3D healthcare environments. In order to provide improved safety in dynamic 3D healthcare environments with a facilitated adaptability, a medical safety-system (10) for dynamic 3D healthcare environments is provided, comprising a detection system (12), a processing unit (14), and an interface unit (16). The detection system comprises at least one sensor arrangement (18) adapted to provide depth information of at least a part of an observed scene (22). The processing unit comprises a correlation unit (24) adapted to correlate the depth information. The processing unit comprises a generation unit (26) adapted to generate a 3D free space model (32).

Abstract: A pixel pair (25) includes a first pixel readout transistor (40), a second pixel readout transistor (41), an electric charge accumulator (42), a reset transistor (43), an amplifier transistor (44), and a row selection transistor (45). The first pixel readout transistor (40) reads out signal charge of a first pixel (21). The second pixel readout transistor (41) reads out signal charge of a second pixel (22). The electric charge accumulator (42) temporarily accumulates the signal charge read out from each pixel. The reset transistor (43) resets the electric charge accumulator (42). The amplifier transistor (44) converts the signal charge accumulated in the electric charge accumulator (42) into signal voltage, and outputs the signal voltage. The row selection transistor (45) selects a row from which the signal voltage is to be transferred to vertical signal lines (50).

Abstract: Methods and systems for image acquisition are described. In an example, a computing device may be configured to cause incremental relative rotation of a projector with respect to an image-capture device through multiple discrete angles. At each angle of the multiple discrete angles, the computing device may be configured to cause the image-capture device to capture a first image of an object, cause the projector to project a pattern on the object, and cause the image-capture device, while the pattern is projected on the object, to capture a second image of the object.

Abstract: A scanner for obtaining and/or measuring a 3D geometry of a surface of an object includes a camera having an array of sensor elements, a first device for generating a probe light, a device for transmitting the probe light rays towards the object, a device for transmitting light rays returned from the object to the array of sensor elements, an optical system for imaging with a first depth of field on the camera the transmitted light rays, a device for varying the position of the focus plane on the object, a device for obtaining at least one image from said array of sensor elements, a device for determining the in-focus position(s) of sensor elements, and a device for transforming the in-focus data into 3D coordinates.

Abstract: A three-dimensional image measuring apparatus includes a measurement platform, a movable optical head, a three-dimensional calculator module, a moving module and a calibration controlling module. The movable optical head includes a beam splitter unit, a projecting module, an image-capturing module and an indicator module. The measurement platform supports an object under measurement. The projecting module generates a structure light of parallel sinusoid strips pattern to the object under measurement. The image-capturing module includes image-capturing units facing the object under measurement from different directions or angles. Each image-capturing unit is configured to capture a reflection image which is formed from the structure light of parallel sinusoid strips pattern reflected by the object under measurement. The indicator module projects an alignment beam onto the object under measurement for forming an alignment mark.

Abstract: Methods, system, and apparatus for generating depth maps are described. A depth map may be generated by obtaining a transformation for a prism camera having a still image capture mode and a video mode (the transformation based on the difference between the still image transfer mode and the video mode), capturing a multi-view still image with the camera, capturing multi-view video images with the camera, and generating a resolved video depth map from the transformation, the multi-view still image, and the multi-view video. The depth map may be converted to a 3D structure. Multiple resolved 3D structures from prism camera apparatus may be combined to generate volumetric reconstruction of the scene.

Abstract: At a first point in time, the amount of opening of a diaphragm is controlled in such a manner that parallax is obtained in a plurality of images that are output as a result of imaging, whereby a parallax image is acquired. At a second point in time, the diaphragm is controlled in such a manner that the amount of opening thereof is made smaller than at the first point in time, whereby a planar image is acquired. Parallax information is calculated based upon the plurality of images acquired at the first point in time, and the planar image acquired at the second point in time is created. This stereoscopic imaging apparatus creates a stereoscopic image comprising parallax information and a planar image.

Abstract: An image display system includes a display device adapted to display an image, and a pair of glasses having transmitting state switching devices capable of switching between a transmitting state in which a light adapted to form the image is transmitted and a blocking state in which the light is blocked, and either one of the display device and the pair of glasses includes a transmitting period control device adapted to control a length of a transmitting period in which the transmitting state switching devices are in the transmitting state in a display period in which the image of one frame is displayed in the display device.

Abstract: Described herein are circuits and methods enabling a user to view 3D video using shutter glasses. The shutter glasses can wirelessly receive a video synchronization signal to synchronize the timing of a shutter operation with the timing of displayed video. A self-timing signal can be generated based on a measured period of the video synchronization signal. A low-power mode of operation can be entered for a period of time in which reception of the video synchronization signal is disabled and the shutter operation is controlled based on the self-timing signal.

Abstract: The present invention relates to a method and a screen system for 2D and/or 3D image vision for one or more spectators looking at a screen (5), the screen (5) comprising: a mirror backplane (10) with a plurality of micro mirrors (1) reflecting light from a light source (60) towards the eyes of the one or more spectators, the method comprising the following steps: determining the position coordinates of the eyes of the respective spectator; controlling the respective micro mirrors (1) allocated to the respective spectator each in an azimuth and elevation angle by actuators (6) connected to the micro mirrors (1), such that the respective micro mirrors (1) reflect light beams from the light source (60) directly into the eyes of the respective spectator; determining a change of the position coordinates of the eyes of the respective spectator; and controlling and moving the light source (60) into a second position by means of a light source actuator, such that the reflecting light is directed to the eyes of the

Abstract: An analytical system-on-a-chip can be used as an analytical imaging device, for example, for detecting the presence of a chemical compound. A layer of analytical material is formed on a transparent layer overlying a solid state image sensor. The analytical material can react in known ways with at least one reactant to block light or to allow light to pass through to the array. The underlying sensor array, in turn, can process the presence, absence or amount of light into a digitized signal output. The system-on-a-chip may also include software that can detect and analyze the output signals of the device.

Abstract: A portable magnifier camera with an associated display housing, base and handle. The camera can be selectively positioned into a variety of configurations, including: a first closed configuration wherein the display and base are in facing relation; a second opened configuration wherein the display is angled with respect to the base; and a third hand-held configuration wherein a handle is pivoted outwardly to permit a user to hold the camera relative to a distant object. The angle of the camera adjusts automatically in each configuration to ensure that the camera's light of slight is perpendicular to the object plane. These configurations enable a user to effectively view objects of differing size and at varying distances.

Abstract: A calibration tool for a scanning endoscope includes: an abutment portion that is in contact with and abuts an illumination window provided in a distal end face of an insertion portion of a scanning endoscope and is configured to be in contact with a region of the illumination window other than a region in which an illuminating light beam applied from the illumination window is scanned; and a chart with a calibration pattern drawn thereon, the calibration pattern being provided for calibrating a scan pattern of the illuminating light, the chart being arranged parallel to the distal end face with a predetermined distance from a surface of the illumination window positioned as a result of the illumination window coming into contact with the abutment portion, according to a size of the calibration pattern, whereby image calibration of the scanning endoscope can accurately be performed with a simple configuration.

Abstract: A method of imaging a target using a miniaturized imaging device is disclosed comprising providing a miniaturized imaging device having a stationary lens system and an imaging array, wherein the distance from a distal end of the stationary lens system to the imaging array is fixed. The miniaturized imaging device is advanced near the desired target and a distance from a distal end of the stationary lens system to the desired target is determined. A desired wavelength of light is calculated based on the determined distance from the distal end of the stationary lens system to the desired target and the desired wavelength of light is propagated onto the target.

Abstract: Devices, systems and methods for displaying in-vivo images at variable rate. For example, a system includes a processor to gradually increase a frame display rate of an in-vivo image stream based on a similarity among two or more in-vivo frames of the in-vivo image stream.

Abstract: An imager and a method for real-time, non-destructive monitoring of light incident on imager pixels during their exposure to light. Real-time or present pixel signals, which are indicative of present illumination on the pixels, are compared to a reference signal during the exposure. Adjustments, if necessary, are made to programmable parameters such as gain and/or exposure time to automatically control the imager's exposure to the light. In a preferred exemplary embodiment, only a selected number of pixels are monitored for exposure control as opposed to monitoring the entire pixel array.

Abstract: A mobile terminal is disclosed. The mobile terminal may display, on a display unit, a captured front side image together with an execution screen of an application in execution, may analyze the captured front side image, and if a front side dangerous situation is sensed, may change a display state of the display unit to thereby send a warning message to the user.

Abstract: The present invention relates to an emotion recognition apparatus using facial expressions including: a camera adapted to acquire a first video of an object corresponding to each of a plurality of emotions classified by a previously set reference; a user input unit adapted to receive a plurality of first frames in the first video designated by a user; a control unit adapted to recognize the face of the object contained in the plurality of first frames, extracting the facial elements of the object by using the recognized face, and extracting the variation patterns of the plurality of emotions by using the facial elements; and a memory adapted to store the extracted variation patterns of the plurality of emotions.

Abstract: A pupil detection device includes an active light source, an image sensor and a processing unit. The active light source emits light toward an eyeball. The image sensor captures at least one image frame of the eyeball to be served as an image to be identified. The processing unit is configured to calculate a minimum gray value in the image to be identified and to identify a plurality of pixels surrounding the minimum gray value and having gray values within a gray value range as a pupil area.

Abstract: A method and system are provided for monitoring an object. The method comprises: utilizing a first sensor system comprising at least one sensor disposed in a monitored space to store first data on the monitored space, utilizing a second sensor system to store second data on an object of interest to be monitored; analyzing first data produced by the first sensor system with a signal processing equipment by searching from the stored first data at least one object to be monitored and by comparing parameters describing characteristics of the at least one detected object with stored reference parameters corresponding to reference characteristics and list of interested objects based on the information received from the second sensor system; and generating, on the basis of an event detected in the analysis, information relating to the state of the object.

Abstract: A correlative drift correction system can include a sample stage for supporting a sample and a cover slip. The system can include an infrared light source for emitting infrared light to be reflected at the cover slip and an optical sensor for detecting the reflected infrared light. The system can detect drift of the sample using reflected infrared light data from the optical sensor and can determine a drift correction to apply to image data of the sample.

Abstract: A visual inspection system [100] includes a remote end [110] that is moved through a conduit [1] with a flexible pushrod [400]. The remote end [110] having at least one carriage assembly [130] with encoders [140] indicating a distance traveled within the conduit [1]. The visual inspection device [100] has a longitudinal camera [150] to identify view down the length of the conduit [1], but also has at least one transverse camera [160] adapted to visually inspect an inside surface [3] of the conduit [1]. Also, the transverse camera [160] may be used to inspect other conduits that connect to conduit [1].

Abstract: The present invention proposes a borehole inspection device, a borehole inspection system and a method for loading explosives in boreholes. The borehole inspection device comprises a tubular casing (7), illumination means (10) and image capturing means (9) housed in the casing (7), at least one circulation duct (16) for a fluid (4), and a diffusing element (1) suitable for spraying the fluid (4) circulating through the at least one circulation duct (16) onto a transparent closure (2) allowing the illumination and the image capture through it.

Abstract: In a method and apparatus for optically inspecting an FPD in a reduced time, the apparatus for inspecting the flat panel display (FPD) comprises a lighting device separated from a top surface of an object and emitting light toward the top surface of the object, a photographing device separated from the top surface of the object and photographing an image using light emitted from the lighting device and then reflected by the top surface of the object, a controller controlling the lighting device and the photographing device to move in a plane separated from and parallel to the top surface of the object, and an image processor connected to the photographing device and processing the photographed image, wherein the image processor samples some of pixels included in the photographed image and converts the sampled pixels to binary form.

Abstract: An alignment mark provided on a wafer is imaged using an alignment system, while driving a wafer stage based on measurement results of a position measurement system, and a position of the alignment mark is obtained from an imaging position of the alignment mark obtained from the imaging results and a position of the wafer stage at the time of imaging obtained from the measurement results of the position measurement system. During the imaging of the alignment mark, the wafer stage is uniformly driven by a moving distance which is an integral multiple of the measurement period of the position measurement system, and a position of the wafer stage at the time of imaging is obtained from an average of the measurement results of the position measurement system. This allows alignment measurement to be performed with good precision, without being affected by periodic errors of the position measurement system.

Abstract: A driver assistance system for a vehicle includes an imaging device disposed at an exterior portion of a vehicle. With the imaging device disposed at the exterior portion of the vehicle, the imaging device has a field of view at least one of rearward of the vehicle and sideward of the vehicle. A control utilizes edge detection in processing image data captured by the imaging device. Responsive at least in part to processing of captured image data by the control, the control determines that an object is present in the field of view of the imaging device. The control is operable to determine that the imaging device is misaligned. The control, responsive to a determination of misalignment of the imaging array sensor, is operable to at least partially compensate for the determined misalignment of the imaging device.

Abstract: An inspection apparatus for a sheet includes: white LED illuminators which irradiate a sheet of paper with light containing visible light: IR-LED illuminators which irradiate the sheet of paper with light containing infrared rays: two visible color cameras; one IR monochrome camera: an IR filter which eliminates the visible light in the light emitted from the white LED illuminators and the IR-LED illuminators and reflected off the sheet of paper, and makes only the infrared rays incident on the IR monochrome camera; and a control device which determines appropriateness of a pattern portion on the sheet of paper on the basis of the visible light made incident on the visible color cameras, and determines appropriateness of pattern portions on the sheet of paper on the basis of the infrared rays made incident on the IR monochrome camera.

Abstract: A field deployable infrared imaging (FDIR) system for inspecting a composite component comprises an emitter configured to impart heat into a composite component via infrared radiation, a camera configured to capture an infrared image of the composite component, and a processing system configured to post-process the infrared image. A method of inspecting a composite component is disclosed that comprises subjecting a component to infrared radiation, capturing a thermal image of the component, inspecting the captured thermal image for defects in the composite component, and post-processing the thermal image using a second order derivative algorithm wherein the post-processed thermal image shows the defect better than the captured infrared image.

Abstract: Embodiments pertain to a method and apparatus for imaging discrete bands of the spectrum of a target and calculating the true absorption/reflectance of the target with reference to a static ambient light sensor for each of the bands of the spectrum implemented in the device. In specific embodiments, an array of cameras, each with a separate band pass filter, is used to acquire images simultaneously. Embodiments can allow an operator of a multi-spectral or hyperspectral camera array to create accurate radiometric images of crops, minerals, or other subjects of interest, so that the chemical composition, surface condition, and/or other characteristics can be accurately analyzed. An embodiment can use matched area sensors to separately collect images of the target and a calibration image via a bundle of optical fibers with remotely located, matching, band pass filters.

Abstract: A video setting method is applicable to a video player. The video setting method includes the following steps: receiving a plurality of videos at the same time; acquiring identification information of each of the videos; according to a playing mode, deciding a playing type of the video player; generating at least one playing frame, the at least one playing frame including at least one playing window, and according to the identification information, filling the videos into the at least one playing window in the at least one playing frame; and according to the playing type, playing the videos in the at least one playing window on the video player.

Abstract: A surveillance system, an image compression serializer and an image decompression deserializer are disclosed. The Surveillance System includes a video camera, a coaxial cable and a central control machine. The video camera provides a real time record and has an image compression serializer which compresses a digital image, captured by the video camera, down to a specific resolution and converts the digital image of the specific resolution into a serial format. The coaxial cable couples the image compression serializer to an image decompression deserializer of the central control machine. The digital image in the specific resolution and serial format is conveyed to the image decompression deserializer to be converted into a parallel format and decompressed to be video encoded.

Abstract: There is provided a signal processing device including a signal generation unit that generates a control signal for controlling an imaging device connected via one cable, a signal superimposition unit that superimposes the control signal generated by the signal generation unit on a video signal received from the imaging device via the cable without an influence on display of a video corresponding to the video signal, and a transmission unit that transmits the signals superimposed by the signal superimposition unit to the imaging device via the cable.

Abstract: A smartphone or media player mobile communication terminal features a camera, an output unit, a data memory and a processor connected thereto. The data memory stores applications. The applications are loaded and executed by the processor. A fire alarm application is stored in the data memory, which in response to a user request, is loaded by the processor and executed. The fire alarm application features suitable program elements for analyzing the video image data recorded by the camera in respect of at least one item of information characteristic of fire and, if this information is present, for outputting an alarm via the output unit. The fire alarm application can be downloaded from an online Internet store portal for computer programs and designed for execution on the portable mobile communication terminal.

Abstract: The invention provides an information display method and an information display device. The information display method is applicable in an electronic device including an image projecting module and an image acquiring module, a projection region of the image projecting module at least partially overlapping with an acquiring region of the image acquiring module. The method includes: determining a first image acquiring region in which an acquisition object is at least partially located; acquiring, by the image acquiring module, at least a part of the acquisition object in the first image acquiring region and determining a first processing object; performing image recognizing process on the first processing object and generating first information; processing the first information and generating second information; determining the projection region in which the acquisition object is at least partially located; and projecting, by the image projecting module, the second information into the projection region.

Abstract: A method and apparatus is described for specifying regions of interest within a two-dimensional view of visual information that comprises a series of frames. Visual changes that occur in the view are stored. A user enters search criteria that specify at least one first region of interest within the view and a visual change. A visual change may include a change in pixel values or a detection of motion of one or more objects within the view. The first search criteria are compared against the stored visual changes to identify a sequence of frames in which the specified visual change occurred within the first region of interest. The search criteria may specify multiple regions of interest, each with one or more types of visual changes. If a motion is specified, then a direction, speed, and behavior of a moving object may also be specified.

Abstract: An airspace surveillance system for the detection of missiles launched within a space being monitored, having at least two surveillance platforms positioned outside or on the edge of the space being monitored in such a manner that the space or a part of the space is situated between the monitoring platforms. Each of the monitoring platforms is equipped with at least one camera system in such a manner that the lines of sight of the camera systems of the two monitoring platforms being positioned opposite to and facing each other.

Abstract: An apparatus including a video control circuit is configured to receive a first video signal from a first camera and a second vide signal from a second camera. The video control circuit is configured to provide the first video signal or the second video signal in response to a control signal. The control signal is indicative of whether a trailer plug is connected to a vehicle plug.

Abstract: An interior rearview mirror assembly for a vehicle includes a mirror reflective element and a video display device operable to display video information that is viewable by a driver of the vehicle through said mirror reflective element and at a display region of said mirror reflective element. The video display device may be operable to display a directional heading at a compass display portion of the display region, and means may be provided to adjust the directional heading display to limit image sticking of the displayed directional heading. The mirror assembly may have a touch zone having at least one touch pad established at a perimeter border band of the reflective element, and may have another touch sensor to detect a touch of a user away from the touch zone to determine when a detected touch at the touch zone is an unintentional touch.

Abstract: A system for controlling at least one camera by enabling a forward channel and a reverse channel is provided. The system includes (i) one or more cameras, (ii) a CMRS that obtains audio information, and video information from the cameras via a coaxial cable or over air. A camera control unit multiplexes PTZ information associated with the one or more cameras and generates a data packet. A modulator modulates the data packet to obtain a modulated data packet which is up converted to a desired RF frequency. A tuner receives the desired RF frequency through the coaxial cable or air, and down converts the RF frequency to obtain the modulated data packet. A demodulator demodulates the modulated data packet to obtain the data packet. A processor de-multiplexes the data packet to obtain the PTZ information that includes a command for at least one of panning, tilting, and zooming a camera.

Abstract: An intelligent video/audio observation and identification database system may define a security zone or group of zones. The system may identify vehicles and individuals entering or exiting the zone through image recognition of the vehicle or individual as compared to prerecorded information stored in a database. The system may alert security personnel as to warrants or other information discovered pertaining to the recognized vehicle or individual resulting from a database search. The system may compare images of a suspect vehicle, such as an undercarriage image, to standard vehicle images stored in the database and alert security personnel as to potential vehicle overloading or foreign objects detected, such as potential bombs. The system may track individuals or vehicles within a zone or between zones. The system may further learn the standard times and locations of vehicles or individuals tracked by the system and alert security personnel upon deviation from standard activity.

Abstract: A dual band imager includes a lens to receive short wavelength and medium or long wavelength radiation from a scene to be imaged, a beam splitter positioned to receive the radiation from the lens, a medium or long wavelength to short wavelength image converter positioned to receive long wavelength radiation reflected via the beam splitter and to transmit the image information via short wavelength radiation, and a detector to receive the short wavelength radiation containing the image information through the beam splitter or from the scene and from the image converter.

Abstract: A method of tracking an object includes obtaining an image captured by a camera, setting a plurality of patterns having various sizes, according to a distance from a horizon in the image to a plurality of pixels in the image, extracting an object matching one of the plurality of patterns having various sizes, while scanning the image using the plurality of patterns having various sizes, and displaying information about a position of the extracted object in the image.

Abstract: A CPU 114 of a lens device 100 having an EC device 104 turns on an LED 108 after controlling the transmittance of the EC device 104 to a maximum value. The CPU 114 acquires an output signal level of a PH 109 which receives part, passing through the EC device 104, of light emitted from the LED 108 and sets the acquired output signal level as a reference transmittance. In response to an instruction that specifies a multiplication factor by which to multiply the reference transmittance, the CPU 114 controls the voltage supplied to the EC device 104 so that the output value of the PD 109 becomes equal to the reference transmittance multiplied by the multiplication factor.

Abstract: In response to receiving, by an image editing application, selection of a layer from an image comprising at least two layers, selecting the layer in the image editing application. A view from a camera may be rendered by the image editing application in at least a portion of the selected layer. In response to receiving, by the image editing application, an input indicating that the view from the camera should be captured, the view from the camera can be captured. The captured view from the camera may be inserted into the at least the portion of the selected layer by the image editing application.