1479 results about "Monochrome" patented technology

An illustrative method may include receiving images of a site captured at a same time by a camera, the images comprising a single visible color component image, a first non-visible image associated with first excitation illumination having a first wavelength outside a visible spectrum, and a second non-visible image associated with second excitation illumination having a second wavelength outside the visible spectrum and different than the first wavelength; generating, based on the single visible color component image, a monochromatic image; generating, based on the single visible color component image and the first non-visible image, a first alternate image representative of a first alternate imaging characteristic of the site; generating, based on the single visible color component image and the second non-visible image, a second alternate image representative of a second alternate imaging characteristic of the site; and displaying the monochromatic image combined with the first and second alternate images.

The invention relates to a multifunctional deformation measurement device and a measurement method, and belongs to the technical field of thermal deformation measurement. Manufacturing a multifunctional deformation measuring device; marking the test piece to be tested; calibrating the precision of the measurement system by using a reference standard substance; a temperature sensor is installed on the test platform; vacuumizing treatment is conducted through a vacuum system; temperature control is carried out through a temperature precise regulation and control module; forming a heat radiation boundary; adjusting the visual angle and focal length of the measuring camera; adjusting a monochromatic illumination light source to realize light coverage on the tested piece; spraying speckles on the test piece to be tested; measuring the initial state of the tested piece; temperature control is carried out through a temperature precise regulation and control module; testing and recording the deformation condition of the tested piece at each temperature point in the whole test process; the method can solve the problems that a measurement test piece is only limited to a material-grade sample, the measurement environment simulation application range is small, the measurement error is large and the like in a traditional method, and is used for guaranteeing high-precision measurement of thermal deformation of a large-size composite material structure of a spacecraft.

The invention relates to the technical field of textiles. The invention discloses a textile dyeing uniformity detection system, a detection method and a dyeing method. The device comprises a light source supply device which is arranged above a textile and is used for providing light sources with two wavelengths and generating monochromatic coherent light, a dielectric layer supply device for forming a uniform dielectric layer, a reflective light path device for splitting beams and guiding the beams to form an interference area, and an image acquisition device for acquiring interference fringe images, the angle adjusting device is used for adjusting irradiation and acquisition angles; and the image processing device is used for analyzing signals and identifying non-uniform dyeing areas and flaws. A high-precision detection system is constructed, the light source and the dielectric layer cooperate to realize micron-sized defect recognition, the visibility of interference fringes is improved to 0.8 or above, and the dynamic tension frame guarantees the precision. The reflective light path and angle adjusting device adapts to a complex environment, a detection method and a dyeing method are cooperated, and through pretreatment, quantitative analysis and multi-dimensional verification, the misjudgment rate is greatly reduced, and the detection speed adapts to production.

The invention relates to the field of optically-carried information technology and provides a method and device for optically-carried information transmission based on full-spectrum LEDs. The method addresses the problem of visual perception interference caused by multi-color LEDs used for data transmission in the prior art. The method includes: dividing the data to be transmitted according to the first transmission demand information, obtaining a second preset number of data segments; selecting target monochromatic LEDs based on the luminous characteristics of the LEDs and the first transmission demand information; processing the data segments using the target LEDs and preset modulation algorithms to generate corresponding LED control signals; and controlling the target LEDs to transmit optically-carried information based on the control signals. This invention ensures optical communication performance while effectively reducing interference, thus improving the reliability of the optically-carried information system.

The invention relates to the technical field of liquid crystal display, and provides liquid crystal display equipment based on a field order and a color image display method. An image to be displayed can be decomposed into three sub-frames based on a field sequential display technology, each sub-frame corresponds to a color field, when a liquid crystal panel is driven according to a main color gray scale value of the color field corresponding to each sub-frame, at least one backlight source corresponding to each color field is firstly driven to emit backlight of a first duration within a time period when liquid crystal molecules reach a steady state, and then the backlight source corresponding to each color field is driven to emit backlight of a second duration within a time period when the liquid crystal molecules reach the steady state. The white light of the second duration is emitted after the first duration, so that the white light is added in the backlight lightening stage of each color field, the color gamut range of the color field corresponding to each sub-frame is effectively reduced, and the color separation phenomenon is reduced. In addition, each subframe corresponds to a single color field or a mixed color field, so that the color separation phenomenon in various algorithms can be improved.

The invention relates to a soft and hard X-ray confocal wide energy region photoelectron spectroscopy system, which comprises a first undulator, a second undulator and a white light deflection mirror which are arranged in sequence, and is characterized in that the first undulator provides hard X-ray light to form a first light path through which a hard X-ray beam passes; the second undulator provides soft X-ray light, the white light deflecting mirror is used for deflecting the soft X-ray light provided by the second undulator, and a second light path through which a soft X-ray beam passes is formed after deflection; a first slit, a first deflection focus lens, a first monochromator, a second monochromator and a second deflection focus lens are sequentially arranged on the first light path in the transmission direction of the hard X light beam; a second slit, a third monochromator and a third deflection focus lens are sequentially arranged on the second light path in the transmission direction of the soft X light beam; the hard X light beam deflected and focused by the second deflection focusing lens and the soft X light beam deflected and focused by the third deflection focusing lens jointly irradiate a sample, and an electron energy analyzer is arranged behind the sample.

The invention provides a focusing method, device and equipment. The method comprises the following steps: determining pixel offset between a red channel image and a green channel image of a tissue slice; the red channel image and the green channel image are a red channel image and a green channel image of a tissue slice in a ghosting image captured by the color image sensor when a red light filter, a green light filter and double optical wedges in the focusing module are modulated at the same time; determining an out-of-focus distance according to the pixel offset and a preset corresponding relation; the preset corresponding relation is the corresponding relation between the pixel offset and the defocus distance; and focusing according to the out-of-focus distance. According to the method provided by the embodiment of the invention, the problem that positive and negative defocusing directions cannot be distinguished through a single-frame image in a phase shift detection automatic focusing technology based on image monochromatic double-hole modulation is solved, and the problem of time waste caused by high-speed switching of an illumination light source in an automatic focusing technology based on red-green double-LED illumination is solved; and meanwhile, the problem that a phase shift detection automatic focusing technology based on pupil segmentation images is relatively small in focusing range is solved.

The invention discloses a single-frame real-time three-dimensional imaging method based on deep learning. The method comprises the following steps: constructing a lightweight phase recovery network model based on a physical model; building a multi-vision structure light stripe projection system; and constructing a training data set, completing training of the lightweight phase recovery network model, and deploying the lightweight phase recovery network model by using TensorRT. Three wrapped phase images are obtained in real time through parallel reasoning of three monochromatic view angles; unwrapping the wrapped phase into an absolute phase by using a multi-view geometric constraint and three-dimensional phase matching algorithm; and generating a three-dimensional point cloud with color texture information through phase-height mapping and a color image. According to the method, the deep learning technology and a traditional fringe projection physical model are combined, rapid phase acquisition can be completed only through a single frame of image, motion interference is overcome, and online real-time high-precision three-dimensional imaging of a complex dynamic scene is achieved.

A camera system includes a monochrome camera, having a global shutter, to capture a first image of a scene, and a color camera, disposed separately from the monochrome camera and having a global shutter, to capture a second image of the scene. The second image is aligned to the first image and color information of the second image is provided to the first image to obtain a third image representing the scene.

An apparatus includes, in some implementations, at least one image sensor, a plurality of metalenses, and readout and processing circuitry. The at least one image sensor includes a plurality of pixel arrays, each of the which is associated, respectively, with a different one of a plurality of optical channels configured for detection of incoming light rays of a particular wavelength or a particular range of wavelengths centered on the particular wavelength. Each of the metalenses is disposed, respectively, in a different one of the optical channels and is configured, respectively, to focus incoming light rays onto a different one of the pixel arrays. The readout and processing circuitry is operable to read out signals from the pixel arrays and to generate a respective lower-resolution image for each of the optical channels, and to process the lower-resolution images to obtain a higher-resolution monochromatic image. Methods of operation are described as well.

The invention provides a fracture deformation-seepage cross-scale visualization experiment device and a test method, and relates to the technical field of hydraulic rock mechanics and measurement. Comprising a macroscopic observation assembly, a microscopic observation assembly, a microscopic seepage model, a temperature-stress-seepage loading system, a monochromatic coaxial light source and a data acquisition and analysis system, the microscopic seepage model is used for placing a fractured rock mass; the temperature-stress-seepage loading system is used for injecting fluid with fluorescent microspheres into the microcosmic seepage model, applying load, regulating and controlling temperature and collecting data; the data acquisition and analysis system is used for processing data and images. By arranging the macroscopic observation assembly and the microcosmic observation assembly, double-scale synchronous observation is achieved, the whole process of fracture internal fluid interface evolution and rock mass deformation can be obtained in real time under the multi-physics field coupling conditions of temperature, stress, seepage and the like, visual correlation of deformation, flow and stress is achieved, and the measurement accuracy is improved. And an experimental basis is provided for establishing a fracture multi-field coupling mechanism model.

An organic light-emitting element according to the present invention employs a polycyclic aromatic derivative compound in a light-emitting layer inside the element, and further comprises a capping layer. Thus, the organic light-emitting element can be made highly efficient and can be useful for a device selected from among a flat panel display device, a flexible display device, a monochrome or white flat panel lighting device, and a monochrome or white flexible lighting device.

An image forming apparatus includes a first image forming unit, a second image forming unit, and a control unit configured to control the first image forming unit and the second image forming unit. The control unit performs control so as to allow execution of a first mode and a second mode in which a color gamut of an image to be formed on a printing material is expanded from the first mode, as an image forming mode for forming an image on a printing material. The second mode includes a second single-color mode in which image formation is performed by only the first image forming unit and a second multicolor mode in which image formation is performed by the first image forming unit and the second image forming unit.

The invention relates to the field of optical detection, in particular to an interference confocal measurement system based on space coding and a measurement method thereof.White light generated by a light source is collimated through a first collimating lens and then divided into S polarized light and P polarized light through a polarization splitting prism, the S polarized light enters a reference plane mirror through a first quarter-wave plate, and the P polarized light enters a second quarter-wave plate; p polarized light enters a blazed grating through a second quarter-wave plate for transverse dispersion and then is changed into monochromatic polarized light with different wavelengths and the same focal length through a first achromatic lens, and the monochromatic polarized light and the monochromatic polarized light are jointly focused at the same depth position of an object to be measured. Information of the object to be measured is carried and returned to the polarization splitting prism, two beams of polarized light are combined and then focused on a target surface of a photoelectric detector of an imaging spectrometer with a mask plate through a focusing lens, an interference image of the object to be measured is obtained, and spectrum and interference analysis is carried out. According to the invention, the transverse scanning speed can be improved, the measurement time can be shortened, and the resolution can be improved.

The invention provides an optical element laser thermal effect and light beam quality integrated measurement device and method, and the device combines key assemblies, such as a pump laser, a real-time power monitoring module, an energy transmission optical fiber, a multi-surface reflector, a beam splitter, a monochromatic optical filter, a CCD camera, an infrared thermal imager, a blackbody radiation calibration module, a Fizeau interferometer and the like. And the thermal effect of the transflective element can be measured at a specific angle. The device combines pump light and test light into one beam through the beam combiner and irradiates the surface of a sample at the same time, after transmission, the beam splitter divides the laser into two paths, one path is used for collecting far-field light spots to calculate the quality of the light beams, the other path forms an interference image to calculate thermal distortion, and meanwhile, the thermal infrared imager monitors the temperature of the sample. According to the invention, non-contact lossless integrated synchronous measurement is realized with high integration level and high flexibility, the device is suitable for temperature, thermal distortion and light beam quality measurement of an optical element under continuous or pulse laser, and thermal response characteristics of a sample are comprehensively and accurately evaluated.

The invention discloses a distinguishing table type X-ray spectrometer and an X-ray absorption spectrum testing method, and relates to the technical field of spectral measurement. The high-resolution table type X-ray spectrometer comprises a sample signal source which is located in a Dowland circle and is used for generating X-rays; the exponential crystal is a bent crystal, the surface shape of the exponential crystal is defined by an exponential equation, so that different points on the curved surface of the crystal have different curvature radiuses and correspond to Rowland circles with different radiuses, each point on the exponential crystal is tangent to the corresponding Rowland circle, and the exponential crystal is used for performing monochromatization and focusing on the X-ray incident from the sample signal source; and the detector is positioned on a surface formed by the corresponding imaging points on each Rowland circle, and is used for receiving the X-rays which are monochromatized and focused by the index crystal and outputting corresponding light intensity signals. Therefore, through the cooperation of the index crystal and the multi-Rowland circle structure, the X-ray absorption spectrum test with high light receiving efficiency, high spectral resolution and wide energy spectrum range can be realized, and the comprehensive performance of the desk type spectrometer is improved.

The invention provides an LED multi-light-color regulation and control method and system based on a multi-objective evolutionary algorithm, and the method comprises the steps: firstly obtaining the spectrum and electric power data of each single-color LED, and carrying out the preprocessing of the data through combining a cubic spline interpolation method and a fitting function; secondly, optimizing light color indexes such as color coordinates, color rendering index, color temperature, SDCM value and power consumption by designing an evaluation function; the core of the algorithm is to iteratively optimize the population through individual evaluation, survival of the fittest, heredity and mutation operations by using a multi-target genetic algorithm until an optimal PWM combination meeting all light color index requirements is found. Specifically, the method has the advantages of being high in flexibility, good in expansibility and the like, can adapt to different LED channel configurations, provides a light color regulation and control scheme with high pertinence, is particularly suitable for factory regulation of fluorescent powder-free multi-primary-color LED lamps, and provides an efficient and automatic solution for light color optimization.

Systems and methods for calibrating an imager for unmixing of images with multiple fluorophores is described. One example method performed by a computing device includes receiving one or more single-color control images, a foreground channel, and a background channel. The single-color control images are images of the sample with a single fluorophore applied to the sample, and the foreground channel and the background channel are associated with the fluorophore. The method includes determining a difference between the foreground channel and the background channel, acquiring a foreground pixel mask from the difference, averaging a set of foreground pixels in the foreground pixel mask to generate a first spectrum, and subtracting an unstained spectrum from the first spectrum to generate a second spectrum. The second spectrum defines a spectral profile of the sample. A calibration slide and a method of preparing a calibration slide are also described.

The present application provides a display device and a driving method thereof. The display device includes a first monochrome screen driven by a first sub-display signal and cooperating with first sub-light to display a first sub-image in the first subframe and driven by a second sub-display signal and cooperating with second sub-light to display a second sub-image in a second subframe, a second monochrome screen driven by a second display signal and cooperating with second light to display a second image in the frame (including first and second subframes), a first light source projecting first light (including first and second sub-light), and a second light source projecting second light. A first image (including first and second sub-images) and a second image cooperatively present a target image.

The invention discloses a bridge crack detection method based on image recognition, and belongs to the technical field of image recognition, and the method comprises the steps: firstly, dividing a bridge image into three single-color channels of red, green and blue, carrying out the clustering and scanning of each spectral image, and precisely positioning a suspected crack point; a red channel weight matrix, a green channel weight matrix and a blue channel weight matrix are constructed by calculating a channel contrast value and a region track distortion value, and then gray processing and brightness adjustment are performed on a bridge image to enhance a crack region. Then, texture enhancement is carried out on the adjusted images through the red channel weight matrix, the green channel weight matrix and the blue channel weight matrix, and three texture-enhanced images are generated; and finally, processing the enhanced image by using a three-channel crack identification neural network to obtain the bridge crack, thereby improving the accuracy of crack detection.

Embodiments of the disclosure disclose a method and apparatus for generating effect characters, device and storage medium. The method includes: transforming an original monochrome character image into a color character image; magnifying a set edge in the color character image in a first direction to obtain a stretch effect image; acquiring a plurality of set noise images, and disturbing pixel points in a set region of the stretch effect image in a second direction respectively according to the plurality of set noise images, to obtain a plurality of effect character images, wherein the set region includes a stretch region; and splice-coding the plurality of effect character images to obtain dynamic effect character.

The invention relates to the technical field of semiconductor energy material detection, and discloses a table type X-ray spectrometer multifunctional combined integrated in-situ experiment device, which comprises an X-ray source, a light source, an X-ray detector, an X-ray detector, an X-ray detector, an X-ray detector, an X-ray detector and an X-ray detector, the sample table is used for adjusting the position of the sample in the light path; the flight pipeline is used for transmitting X-rays and signals; the detector is used for collecting electronic signals. By adopting the unique design of the X-ray monochromator and the focusing mirror, the measurement and analysis of an X-ray absorption fine structure and a crystal structure can be realized in a conventional laboratory environment without using a synchrotron radiation light source, and X-ray diffraction, scattering and absorption spectrograms comparable to a synchrotron radiation level are obtained with extremely high sensitivity and light source quality; qualitative and quantitative analysis, crystalline state and valence state analysis and long-range structure and short-range coordination structure analysis of elements are achieved, and grazing incidence X-ray diffraction, powder diffraction and XAS research can be conducted in real time.

The invention specifically relates to an evaluation and use method of a display device applied to a color resolution task. The method comprises the following specific steps: S10101, evaluating the uniformity of brightness distribution in a display area of the display device; s10102, evaluating the function relationship between the hardware brightness level prompted by the bit depth of the display equipment and the actual brightness of the screen when the display equipment is used for displaying any one of the three primary colors for monochromatic display; s10103, when the display equipment is used, performing data conversion on the received task for color resolution; acquiring a hardware brightness level closest to a preset requirement; and S10104, evaluating the deviation between the image and the theoretical value in color brightness when the image is actually presented. According to the method, the image for the color resolution task is accurately presented through targeted evaluation and data conversion, prompting and brightness compensation can be carried out when the image presentation error meets the specified requirement, the accuracy of the color resolution task result is effectively improved, and the method is suitable for color resolution tasks in various environments and has wide application prospects.

The invention discloses a monochromator preparation method and a monochromator, and belongs to the technical field of synchrotron radiation. The method comprises a crystal polishing step, a step of calibrating an intersection line of a crystal lattice surface and the crystal surface and cutting to enable the calibrated crystal lattice surface and the crystal surface to be approximately parallel, a step of polishing the crystal surface to enable the crystal surface to be completely parallel to the crystal lattice surface, a bonding step and a detection step, and the monochromator is prepared by using the method. According to the invention, a bonding technology of two crystals with perfect surface polishing and a high-precision polishing method of the crystals are utilized to prepare a bonding type channel-cut monochromator device capable of being used for perfect X-ray imaging, and the problems of stability and non-uniform light beam distribution in an existing monochromator are solved.

A three-dimensional fluorescence detection apparatus, comprising a monochromatic array light source, a first lens group, a fluorescence detection apparatus, a light intensity detection apparatus, and a control and data processing module. The monochromatic array light source is used for emitting excitation light, and comprises N monochromatic light sources, wherein the excitation light comprises light of N wavelengths, and covers a first waveband; the first lens group is used for converging the excitation light to form an excitation region in which a sample to be subjected to detection is placed; the fluorescence detection apparatus is used for outputting fluorescence spectrum data; the light intensity detection apparatus is used for outputting transmission light intensity data; and the control and data processing module is used for controlling the monochromatic array light source to emit excitation light, and is also used for determining the three-dimensional fluorescence spectrum and absorption spectrum of said sample. Fluorescence spectrum data and transmission light intensity data of a sample are acquired by means of synchronous sampling, such that the absorption spectrum and three-dimensional fluorescence spectrum of the sample are synchronously detected. Thus, the accuracy of substance detection for the sample can be improved, and the size, cost and power consumption of a system are also reduced.

The invention discloses a surface plasmon resonance imaging system for expanding a dynamic range through a multi-mode optical path, and relates to the technical field of microscopic imaging, a laser outputs a monochromatic and linearly polarized continuous wave beam, a first dynamic beam deflection device performs dynamic angle deflection adjustment on the continuous wave beam, a prism is used for providing a total reflection interface, and a second dynamic beam deflection device is used for performing dynamic angle deflection adjustment on the continuous wave beam. Exciting an evanescent wave; a surface plasma resonance effect is generated through interaction of the SPR detection chip and evanescent waves, and sample characteristics are detected; the flow cell provides a sample flow channel, so that a sample is in full contact with the surface of the SPR detection chip; the second dynamic light beam deflection device cooperatively adjusts the propagation direction of reflected light on the surface of the SPR detection chip, and the imaging detection device captures a high-spatial-resolution SPR image formed by the reflected light and transmits the image to the upper computer in real time for processing and analysis. According to the invention, the change of the resonance angle can be tracked in real time, and high-sensitivity and high-resolution monitoring of the dynamic process of biomolecule interaction is realized.

A wearable display system includes one or more nanowire LED micro-displays. The nanowire micro-LED displays may be monochrome or full-color. The nanowire LEDs forming the arrays may have an advantageously narrow angular emission profile and high light output. Where a plurality of nanowire LED micro-displays is utilized, the micro-displays may be positioned at different sides of an optical combiner, for example, an X-cube prism which receives light rays from different micro-displays and outputs the light rays from the same face of the cube. The optical combiner directs the light to projection optics, which outputs the light to an eyepiece that relays the light to a user's eye. The eyepiece may output the light to the user's eye with different amounts of wavefront divergence, to place virtual content on different depth planes.

The invention discloses a space-time light field dynamic reconstruction method based on monochromatic numerical mode decomposition, and belongs to the field of space-time mode-locked pulse fiber lasers and multimode nonlinear fiber optics, and the method comprises the following steps: S1, building an analysis platform which comprises a space-time mode-locked laser, a folded mirror, a spectral filter, a processing device and an acquisition device, the processing device adjusts the state of the spectral filter, and the acquisition device points to the folding mirror; s2, calibrating the analysis platform; s3, the space-time mode-locked laser generates an incident beam, after spectral filtering, the acquisition device continuously acquires spatial light intensity corresponding to each spectral component, and spectrum-spatial intensity information is obtained; and S4, converting the spectrum-space intensity information into space-time structure information. By adopting the method, the output mode of the space-time mode-locked pulse is monitored in real time, the mode selective excitation in the space-time mode-locked laser cavity is fed back and controlled, and a solution is provided for a high-performance space-time mode-locked fiber laser with a controllable output mode.

Some implementations related to a display device that includes a display surface and a monochromatic image generator. The generator may be designed to produce monochromatic visual information for display, incorporating a primary light source and a transflective spatial light modulator. The display device may include a spatially addressable backlight generator configured to backlight the transflective spatial light modulator. This generator may include an array of colored light sources, which are driven to selectively emit light towards a non-reflective side of the modulator, infusing colored light into the monochromatic visual information. This may result in infused color information being presented at the display surface with the monochromatic visual information. The display device may include one or more processors configured to effectuate the presentation of the infused color information.

The child safety seat with the atmosphere lamp structure comprises a base structure, a seat back structure and a lamp strip, the seat back structure is arranged above the base structure, the base structure comprises a base upper cover and a base lower cover, the base upper cover is provided with a first connecting edge, the base lower cover is provided with a second connecting edge, and the lamp strip is arranged on the base upper cover. The base upper cover and the base lower cover are connected through a first connecting edge and a second connecting edge, a first side edge inclining outwards is arranged on the outer side of the first connecting edge, a second side edge inclining outwards is arranged on the outer side of the second connecting edge, and the first connecting edge, the second connecting edge, the first side edge and the second side edge form a lamp strip mounting groove. And the lamp strip is mounted in the lamp strip mounting groove. According to the child safety seat, the lamp strip is arranged between the base upper cover and the base lower cover and penetrates through the whole base, the visual effect and the aesthetic feeling of the child safety seat are improved through the single-color or multi-color lamp strip, and due to the fact that the lamp strip is arranged on the periphery of the base, a child cannot be disturbed.