Abstract: The present invention discloses a sensing circuit, a processing method of the sensing circuit and a curved surface profile measuring method. Conductors of the sensing circuit are arranged in flexible protection bodies in a braiding manner, and the conductors and the flexible protection bodies are at a compressed state. Therefore, the sensing circuit of the present invention has better flexibility and tensile property, can be attached to a surface of equipment, can be used for sensing multiple situations of the equipment, such as slight touch and collision of a large displacement, and can also be applied to precise measurement of a size of a curved surface profile.

Abstract: A fire detection device is provided that has a camera that captures a reference image and a measured image. A processor compares intensity of the measured image to intensity of the reference image and uses this comparison to determine if an alarm is generated to indicate the presence of fire. The intensity of the measured image may be the total number of photons of the measured image, and the intensity of the reference image may be the total number of photons of the reference image. In other arrangements, the intensity may be measured between individual corresponding pixels of the reference and measured images.

Abstract: Presented herein are systems and methods directed to a multispectral absorption-based imaging approach that provides for rapid and accurate detection, localization, and quantification of gas leaks. The imaging technology described herein utilizes a scanning optical sensor in combination with structured and scannable illumination to detect and image spectral signatures produced by absorption of light by leaking gas in a quantitative manner over wide areas, at distance, and in the presence of background such as ambient gas and vapor. Moreover, the specifically structured and scannable illumination source of the systems and methods described herein provides a consistent source of illumination for the scanning optical sensor, allowing imaging to be performed even in the absence of sufficient natural light, such as sunlight. The imaging approaches described herein can, accordingly, be used for a variety of gas leak detection, emissions monitoring, and safety applications.

Abstract: An object detection apparatus comprising a camera having video output comprising frames; and a digital video processor configured to receive the video output from the camera, detect and track a blob in the frames to determine a trajectory for the blob and trigger an alert message if the trajectory of the blob is characteristic of an object to be detected. The digital video processor may detect and classify the object as a leak, and provide an alert or alarm. The digital video processor may detect and classify the object as a bird, and provide a bird report. A weather station may be combined with the digital video processor to receive input from the weather station and take the input from the weather station into account in determining whether to trigger an alert.

Abstract: Total Immersion Photography (TIP) is disclosed, preferably for the use of screening for various medical and cosmetic conditions. TIP, in a preferred embodiment, comprises an enclosed structure that may be sized in accordance with an entire person, or individual body parts. Disposed therein are a plurality of imaging means which may gather a variety of information, e.g., chemical, light, temperature, etc. In a preferred embodiment, a computer and plurality of USB hubs are used to remotely operate and control digital cameras. The photo information is then transferred via the USB to the computer for processing and aggregation. Subject information is gathered to configure the operation of the various parameters of the device.

Abstract: An optical response measuring device is provided with a light source, first and second wavelength conversion elements and a light intensity sensor array. The light source generates a pair of light beams including light beams of first and second wavelengths, and the first wavelength conversion element generates measurement light. The measurement light is irradiated on an object for measurement and a detection light having first phase and second phase is obtained in response to this irradiation. A reference light that carries the phase of the pair of the pair light beams and the detection light both pass through a second wavelength conversion element to obtain a modulated reference light have first and second intensities. The first and second local intensities are then measured by the light intensity sensor array.

Abstract: Methods and systems are disclosed for compensating for image motion induced by a relative motion between an imaging platform and a scene. During an exposure period, frames of the scene may be captured respectively in multiple spectral bands, where one of the spectral bands has a lower light level than the first spectral band, and contemporaneous frames include a nearly identical induced image motion. Image eigenfunctions are utilized to estimate the induced image motion from the higher SNR spectral band, and compensate in each of the multiple bands.

Abstract: A method for determining a corrosion rate includes receiving an input signal including corrosion data from a sensor. A signal-to-noise ratio (SNR) and a type of noise is determined from the input signal. A corrosion rate computation method is selected based on the SNR and the type of noise. The corrosion rate is determined, using a processor, based on a selected corrosion rate computation method.

Abstract: A method for enhancing an image for facial recognition comprises capturing an image of the face with a polarizer and correcting the polarized image for non-uniformity. Stokes Parameters S0, S1, S2 are obtained by weighted subtraction of the polarized image to form Stokes images. DoLP is computed from the Stokes images, and facial recognition algorithms are applied to the DoLP image. A system for enhancing images for facial recognition comprises a polarimeter configured to record polarized image data of a subject's face, a signal processing unit and logic configured to receive and store in memory the image data from the polarimeter, calculate Stokes parameters from the image data, and compute a DoLP image from the Stokes parameters.

Abstract: An imaging device includes a lens unit to form an object image, an imaging unit to convert the formed object image to an image signal, an image processing unit, an insertion/removal unit, a setting unit, and a mode determining unit. The image processing unit performs predetermined image processing on the image signal. The insertion/removal unit inserts and removes optical filters to/from the lens unit. The mode determining unit determines setting of an imaging mode included in a received setting. The optical filters include a first filter having a transmittance of a wavelength component in the infrared region that is relatively smaller than a wavelength component in the visible region, and a second filter having a transmittance of the wavelength component in the infrared region that is relatively larger than the wavelength component in the visible region. The image processing unit performs image processing according to a determination result.

Abstract: The invention relates to chalcogenide glass compositions for use in a lens system to balance thermal effects and chromatic effects and thereby provide an achromatic and athermal optical element that efficiently maintains achromatic performance across a broad temperature range. The glass composition is based on sulfur compounded with germanium, arsenic and/or gallium, and may further comprise halides of, for example, silver, zinc, or alkali metals. Alternatively, is based on selenium compounded with gallium, and preferably germanium, and contains chlorides and/or bromides of, for example, zinc, lead or alkali metals.

Abstract: A secure portable patrol system including a portable patrol device and a base unit is revealed. The patrol device is a portable rectangular body disposed with a multi-image display screen on a front surface thereof. The patrol device is disposed with an IR image capture unit, a wireless call unit and a first SIM card communication unit so that users can perform multiple tasks by the single patrol device such as checking whether there is area that overheats or abnormal conditions that occur. The base unit includes a specific transmitter while the patrol device is set with a specific port for electrical connection to the specific transmitter. Thereby the patrol device and the base unit are electrically connected for secure data transmission.

Abstract: A semiconductor detector includes a plate-shaped semiconductor part, a signal output electrode for outputting a signal provided at one surface of the semiconductor part, a plurality of curved electrodes provided at the one surface of the semiconductor part and which have distances from the signal output electrode that are different from each other, and an arc-shaped collection electrode for collecting an electric charge generated at the semiconductor part. The plurality of curved electrodes are applied with voltage to generate in the semiconductor part a potential gradient in which a potential varies toward the signal output electrode. The collection electrode is located at a part of the semiconductor part between an adjacent pair of curved electrodes. The collection electrode is connected to a curved electrode located a distance from the signal output electrode shorter than a distance between the collection electrode and the signal output electrode among the curved electrodes.

Abstract: Embodiments of the invention relate to a method and apparatus for imaging. Specific embodiments can incorporate an imaging module having at least one first imager, where each first imager images a corresponding at least one first portion of a ?° field of view about a reference point, such that the at least one first imager images the ?° field of view. In a specific embodiment ? is at least 90°. The imaging module can also incorporate at least one second imager, where each second imager images a corresponding at least one second portion of the ?° field of view about the reference point, and one or more of the at least one first imager has a different magnification than one or more of the at least one second imager. Embodiments can allow imaging of a ?° field of view about a reference point with imagers having at least two different magnifications.

Abstract: A camera system for a vehicle has an image acquisition unit (2) having an image sensor (4), an optical element (3) and at least one IR-blocking filter (5) for acquiring image data of an object, a processing unit processing the image data acquired from the image acquisition unit (2) for displaying the object (7) on a display unit (9), and at least one illumination unit (10) for illuminating the object (7) with light (12) having a wavelength at least partly within the upper region (13) of sensitivity of the human eye and at least partly below the blocking limit of the IR-blocking filter (5).

Abstract: A method for protecting an inspected structure from external infrared emissions comprises shielding the inspected structure using a protective sheet so as to block infrared emissions from an external infrared radiation source from reaching the inspected structure, positioning the at least one protective sheet using at least one support so as to block a maximal amount of radiation from the external radiation source, and capturing infrared radiation from the inspected structure using an infrared camera.

Abstract: Various embodiments of the present disclosure may include a device having a housing and a lens element configured to pass thermal radiation received from an external environment. The lens element may be an outer surface of the housing exposed to the external environment through an aperture in the housing. The device may also include a focal plane array within the housing and configured to receive the thermal radiation passed by the lens element. The device may further include a heater in thermal contact with the lens element and a controller configured to selectively operate the heater to maintain the lens element within a desired temperature range.

Abstract: A system including a detector array configured to receive electromagnetic (EM) radiation from a target object, the detector array having one or more detectors is disclosed. The system also includes a readout integrated circuit and one or more processors. The readout integrated circuit has a circuit comprising a number of detector boundary selection components, each one of the number of detector boundary selection components configured to select or adjust a detector boundary from least one of a sub-column boundary or an adjustable boundary.

Abstract: An optical device may include a sacrificial limiter filter including at least one layer of graphene disposed on a substrate. The at least one layer of graphene may be configured to absorb and scatter at least a portion of electromagnetic radiation incident on the at least one layer of graphene.

Abstract: A surface inspection method for a steel pipe detects a surface defect on a hot steel pipe, and includes: an imaging step of imaging a self-luminous image of the hot steel pipe; a correcting step of making more uniform luminance variation in a circumferential direction of the self-luminous image and correcting the self-luminous image; and a detecting step of detecting a surface defect based on the self-luminous image corrected at the correcting step.

Abstract: According to the present invention, there is provided a method for detecting a bonding failure part of a compound semiconductor chip cut from a compound semiconductor wafer in which a first transparent substrate composed of a compound semiconductor having a light-emitting layer is bonded with a second transparent substrate composed of a compound semiconductor, including irradiating the compound semiconductor chip with a coaxial vertical light, and identifying a color of a reflected-light from the bonding failure part of the compound semiconductor chip to detect the bonding failure part. As a result, it is possible, to provide a method for detecting a bonding failure part which can precisely detect a bonding failure part on a bonding interface of a compound semiconductor chip cut from a compound semiconductor wafer in which two transparent substrates composed of a compound semiconductor are directly bonded with each other.

Abstract: The present application relates to image capture and generation methods and apparatus and, more particularly, to methods and apparatus which detect and/or indicate a dirty lens condition. One embodiment of the present invention includes a method of operating a camera including the steps of capturing a first image using a first lens of the camera; determining, based on at least the first image, if a dirty camera lens condition exists; and in response to determining that a dirty lens condition exists, generating a dirty lens condition notification or initiating an automatic camera lens cleaning operation. In some embodiments multiple captured images with overlapping image regions are compared to determine if a dirty lens condition exists.

Abstract: Optical component (10) for modulating light field (1) incident thereon, particularly amplitude and/or phase in dependency on intensity (I) thereof, includes stack (11) of refractive layers (12, 13) on substrate (14), made of materials having third-order nonlinearity, and having alternatingly varying refractive indices (n), including linear contribution (n0) and non-linear contribution (n2), and determining reflectance and transmittance spectra of the optical component, wherein refractive layers (12, 13) are configured such that reflectance and transmittance of the optical component have a Kerr effect based dependency on intensity (I) of the incident light field with n=n0+I·n2, and refractive layers (12, 13) are made of at least one of dielectric and semiconductor layers, wherein non-linear contribution (n2) is below 10?12 cm2/W. A resonator device including the optical component, a method of modulating a light field using the optical component and a method of manufacturing the optical component are described.

Abstract: A backplane test system is provided that uses a pressed or deposited resistive film and infra-red (IR) imaging to visualize and quantify the current drive of pixels. In one form, the system is used for measuring organic light-emitting-diode (OLED) backplanes or other current-actuated-display (CAD) backplanes.

Abstract: An optical system for the detection of skin disease, such as melanoma, acquires images of a lesion on a subject's skin at different wavelengths and utilizes a sweeping arm rotating about the lesion in a clock-like sweep to produce diagnostically relevant metrics and classifiers from the image data so as to enhance detection of the skin disease.

Abstract: An example method includes determining first classification rule(s) based on first data that classifies pixel groups of first reference image(s) as types of objects. The first reference image(s) are captured by a first sensor. The method further includes determining second classification rule(s) based on second data that classifies pixel groups of second reference image(s) as types of objects. The second reference image(s) are captured by a second sensor. The method includes classifying, as respective first objects, pixel group(s) of a first image of a scene based on the first classification rule(s). The method includes classifying, as respective second objects, pixel group(s) of a second image of the scene based on the second classification rule(s). The method further includes determining whether a change occurred in the scene based on the object classification of the first image(s) and the second image(s).

Abstract: The present disclosure provides a vehicle driving assistant apparatus, comprising: an infrared image acquiring module for acquiring information of an infrared image of an object ahead of a vehicle; a display module connected with the infrared image acquiring module, for displaying a corresponding image according to the information of the infrared image acquired by the infrared image acquiring module. The disclosure enables the driver to see the road conditions ahead by means of the vehicle driving assistant apparatus even when facing glaring light emitted from ahead when driving at night, thus reducing the occurrence of traffic accidents.

Abstract: Techniques are disclosed for measurement devices and methods to obtain measurements of various physical parameters in an integrated manner. For example, according to one or more embodiments, a measurement device includes a housing configured to be hand-held by a user; a light sensor configured to sense light and generate a signal in response; a logic device configured to process the signal from the light sensor to determine an intensity of the light, the logic device being further configured to receive and process another signal to determine a magnitude of a physical parameter associated with an external article; and a display configured to present information representing the intensity of the light and the magnitude of the physical parameter. Such a measurement device may be conveniently carried and utilized by electricians or other users, for example, to perform lighting installation or retrofitting without a need for multiple different devices.

Abstract: A method of presenting a visible representation of infrared (IR) radiation information onto an observed real world scene based on IR radiation emitted from said observed real world scene, using a thermography arrangement comprising an IR imaging system, a visible light imaging system, and a visible light projecting system.

Abstract: An image processing device for gas detection performs image processing on infrared images obtained by shooting an object to be monitored for a gas leak at a plurality of time points. The image processing device for gas detection includes an image processing unit that performs a process of removing, from image data indicating the infrared images, second frequency component data that is lower in frequency than first frequency component data indicating a temperature change caused by the leaking gas, and indicates a background temperature change of the object to be monitored.

Abstract: A focusing device for a camera having a lens includes a LIDAR module, a camera interface and a controller communicably coupled to the LIDAR module and the camera interface. The controller receives data from the LIDAR module, displays one or more targets using the data from the LIDAR module via a user interface, receives a target selection via the user interface, determines a focus setting using the LIDAR data, the target selection and a camera operational data, and sends the focus setting to the camera interface. The camera interface receives the focus setting and drives the lens of the camera to focus on the target selection using the focus setting.

Abstract: Methods, systems, and computer program products for authenticating an online user. Authentication involves sending a code from a server to a user device equipped with a source of illumination and a camera capable of capturing video imagery of the online user. The user device receives the code, modulates the source of illumination in accordance with the code, and captures video imagery of the user while the source of illumination is being modulated according to the code. The captured video imagery of the online user is sent to the server where it is analyzed to detect evidence of changes in illumination that correspond to the code. If good correspondence is found, the user may be authenticated. Similar methods may be applied to other biometric data. Applications of the authentication include identify validation, pseudonym verification, and distinguishing human from non human access attempts.

Abstract: A system including a detector array configured to receive electromagnetic (EM) radiation from a target object, the detector array having one or more detectors is disclosed. The system also includes a readout integrated circuit and one or more processors. The readout integrated circuit has a circuit comprising a number of detector boundary selection components, each one of the number of detector boundary selection components configured to select or adjust a detector boundary from least one of a sub-column boundary or an adjustable boundary.

Abstract: In a water content evaluation method, when water content of a part of a plant is evaluated, a white reference substrate (background material) is disposed so as to cover a back surface of a leaf of plant. A first beam source radiates a near infrared beam (reference beam) with a wavelength of 905 nm that has a characteristic of tending not to be absorbed in water toward leaf. A second beam source radiates a near infrared beam (measuring beam) with a wavelength of 1550 nm that has a characteristic of tending to be absorbed in water toward the leaf. Threshold level setter/water content index detector calculates a water content index of one leaf that is total sum ? Ln (I905/I1550) of the reflection intensity rate at all irradiation positions of the leaf based on a reflection light of a reference beam and a reflection light of a measuring beam that are reflected on all irradiation positions of the leaf.

Abstract: Excitation light of two wavelengths is incident to an optical crystal from a first face side, and a terahertz wave THzb is generated from a second face, and the excitation light that has passed through the optical crystal is reflected, made incident to the optical crystal from the second face side, and a terahertz wave THza is generated from the first face. Terahertz waves with similar characteristics to each other are thereby generated reliably in plural directions.

Abstract: A system remotely detects a gas leakage from a target in an area. The gas detection system includes two light sources: a mid-infrared (mid-IR) laser for detecting absorbance of the gas in the area, and a visible laser for detecting a pathlength of the mid-IR laser. The absorption is determined based on the relative amplitude difference of the emitted and reflected mid-IR light beams. The mid-IR laser may use wavelength modulation techniques to improve the absorption determination. The pathlength is determined by comparing a phase between the emitted visible light beam and the measured visible light beam. The gas detection system calculates a concentration of the gas in the area using the determined absorption and pathlength. The gas detection system may be attached to an unmanned aerial vehicle.

Abstract: An in-vehicle device includes: an image acquisition unit that obtains a captured image from a camera that captures, via a camera lens, an image of a surrounding environment around a vehicle; an accumulation detection unit that individually detects a plurality of types of accumulation settled at the camera lens based upon the captured image; an image recognition unit that recognizes an object image, expressing a specific object present in the surrounding environment, in the captured image; a detection results integrating unit that calculates integrated detection results by integrating a plurality of sets of detection results based upon various sets of detection results pertaining to detection of the plurality of types of accumulation provided by the accumulation detection unit; and an operation control unit that controls operation executed by the image recognition unit based upon the integrated detection results.

Abstract: A system is disclosed that includes a detector and a combination of lenses and mirrors as imaging optics configured to provide for block by block compressive sensing of an imaged scene with the block by block determined by a plurality of shift-invariant masks to produce an image of the scene of the detector. A resolution of the image through the combination of lenses and mirrors is provided at the detector greater than a resolution capability of the detector at the detector. Another system and a method are also disclosed.

Abstract: A method of manufacture of an integrated packaging system includes: providing a substrate; mounting an integrated circuit on the substrate; mounting an interposer substrate having an interposer pad on the integrated circuit; covering an encapsulant over the integrated circuit and the interposer substrate; forming a hole through the encapsulant aligned over the interposer pad; and placing a conductive connector on and in direct contact with the interposer pad.

Abstract: Dual-aperture digital cameras with auto-focus (AF) and related methods for obtaining a focused and, optionally optically stabilized color image of an object or scene. A dual-aperture camera includes a first sub-camera having a first optics bloc and a color image sensor for providing a color image, a second sub-camera having a second optics bloc and a clear image sensor for providing a luminance image, the first and second sub-cameras having substantially the same field of view, an AF mechanism coupled mechanically at least to the first optics bloc, and a camera controller coupled to the AF mechanism and to the two image sensors and configured to control the AF mechanism, to calculate a scaling difference and a sharpness difference between the color and luminance images, the scaling and sharpness differences being due to the AF mechanism, and to process the color and luminance images into a fused color image using the calculated differences.

Abstract: An image sensor device has a first region configured to sense only infrared illumination and a second region configured to not sense visible and infrared illumination.

Abstract: A fluorescent liquid penetrant is provided which includes a liquid medium having a plurality of fluorophores disposed therein. Upon excitation with a suitable light source, the penetrant exhibits a quantum yield greater than 40% (or in some embodiments, greater than 90%). In some embodiments, the fluorophore is a low-toxicity quantum dot. In some embodiments, the fluorophore has significantly reduced self-absorption, which allows for surface discontinuity depth measurement. Also disclosed are apparatuses for using these fluorescent liquid penetrants for non-destructive testing purposes. In some embodiments, these tests include measuring the depth of a discontinuity by analyzing photoluminescence intensity and/or photoluminescence peak position shift.

Abstract: A multi-spectral weapon sight optical system, a multi-spectral weapon sight, and a multi-spectral weapon sight system are disclosed. The multi-spectral weapon sight optical system includes first and second catadioptric optical systems arranged along a common axis and have a common aperture. The first catadioptric optical system forms a first on-axis image from first radiation having a first wavelength band while substantially transmitting second radiation to the second catadioptric optical system wherein the second radiation has a second wavelength band. The second catadioptric optical system forms a second on-axis image using the second radiation. First and second image sensors respectively receive the first and second images and form respective first and second digital images, which are then electronically fused to form a fused image. The fused image is displayed on a display and viewed as a visible display image using a day sight.

Abstract: An illumination device with an integrated thermal imaging sensor and method for using the same are disclosed. The device includes a solid state illumination source, and a thermal imager comprising a multi-pixel heat sensing device. A controller is configured to control the thermal imager, and a power source is configured to supply power to the illumination source, the thermal imager, and the controller.

Abstract: The present disclosure relates to a laser light source and a projection display device. The laser light source includes: N groups of laser devices, N convex lenses, a concave lens and at least one reflector component; each convex lens corresponds to a group of laser devices, and is configured to converge light beams emitted by the corresponding group of laser devices; each reflector component corresponds to at least one convex lens and is disposed in a emergent light direction of a corresponding convex lens, and the concave lens is disposed in a emergent light direction of the at least one reflector component; and an emergent light beam of the convex lens corresponding to each reflector component passes through the reflector component and then arrives at the concave lens.

Abstract: A thermal inspection system is provided for a gas turbine engine hot section component with a cooling passage. This thermal inspection system includes a fluid subsystem operable to supply a fluid into the cooling passage. The thermal inspection system also includes a thermal camera subsystem operable to monitor a fluid temperature difference of the fluid exiting the cooling passage relative to the input temperature of the fluid supplied to the cooling passage.

Abstract: A surface defect inspecting device for hot-dip coated steel sheets comprising: an illuminating unit for illuminating an imaging target portion on a hot-dip coated steel sheet; a specular reflection light imaging unit for imaging specular reflection light from the imaging target portion; a diffuse reflection light imaging unit for imaging diffuse reflection light from the imaging target portion; and an image signal processing unit for processing specular reflection image and diffuse reflection image signals, the specular and diffuse reflection light imaging units simultaneously imaging light reflected from the imaging target region, the image signal processing unit extracting a portion having brightness level lower than a predetermined threshold, as a defect portion, from the specular reflection image signal, and threshold processing the diffuse reflection image signal, with respect to a portion corresponding to an extracted defect portion, to determine a defect type by classifying the extracted defect portion

Abstract: A system to authenticate and identify items is described herein. An example apparatus includes an illuminating source to illuminate a sample with a first emission of light having a peak wavelength at a first wavelength and a second emission of light having a peak wavelength at a second wavelength, a photo element to detect a first optical response emitted by the sample after the first emission of light and to detect a second optical response emitted by the sample after the second emission of light, and an identifier to identify the sample based on the first optical response and the second optical response.

Abstract: The present disclosure relates to devices, systems, and methods for improving or optimizing peripheral vision. In particular, methods are disclosed which include utilizing particular characteristics of the retina in improving or optimizing peripheral vision. Additionally, various IOL designs, as well as IOL implantation locations, are disclosed which improve or optimize peripheral vision.

Abstract: A method for detecting objects on a parking area for vehicles with the aid of image processing of images from at least two imaging sensors, detection ranges of the imaging sensors overlapping at least partially. The images of an imaging sensor whose image quality is limited by environmental conditions are weighted less strongly for the detection of objects on the parking area during image processing than images of an imaging sensor whose image quality is not limited by environmental conditions. A processing unit, a program, and an overall system for carrying out the method are also described.