17 results about "Spectral color" patented technology

An image spectrum technology-based geological sketching method, including: based on collected image-spectrum data information of a tunnel face, extracting mineral end members and spectrum to determine types and contents of minerals, extracting texture features and feature waveband spectrums to determine stratum lithology, extracting crack features and identifying crack fillers to obtain a crack identification result; obtaining degrees of crushing of surrounding rocks according to numbers and relative areas of cracks; analyzing weathering variation proportions of minerals according to stratum lithology and mineral analysis result for surrounding rocks, acquiring color differences between different degrees of weathering according to spectral color difference identification results, obtaining degrees of weathering of the surrounding rocks; identifying water outflow form and water outflow position of tunnel face to be detected; and obtaining a geological sketch map for the tunnel face by performing labeling and summarization by using different labeling symbols according to the results.

The invention provides an epoxy resin material only receiving 600-700 nm transparent red light. The epoxy resin material comprises A color agent epoxy glue, B color agent epoxy glue and a curing agent, the A color agent epoxy glue is red light efficient cut-off color paste, and the B color agent epoxy glue is infrared ray efficient cut-off color paste; after the A color agent epoxy glue and the B color agent epoxy glue are mixed according to a preset proportion, a curing agent is added for curing. According to the epoxy resin material capable of only receiving red light with the wavelength of 600-700 nm, provided by the invention, the color A epoxy glue, the color B epoxy glue, the curing agent and the like are mutually matched, the color A is used for filtering spectrums with the wavelength of 580 nm or below, the color B is used for cutting off spectrums with the wavelength of 700-1100 nm, and the color A and the color B form synergistic complementation according to the mass ratio of (1: 1)-(3: 2); after being cured by the curing agent, epoxy only allows red light in the wave band of 600nm-700nm to penetrate through, stray light in other wave bands is effectively shielded, and the detection precision is improved, so that the problem that the detection precision is insufficient due to the fact that existing epoxy resin cannot accurately screen the red light in the wave band of 600nm-700nm and stray light interference is solved.

The invention relates to the technical field of vision and spectral measurement, and discloses an automobile ornament chromatic aberration detection method based on image recognition, which comprises the following steps: setting a known spectral reference spot on site and collecting multiband imaging response and spectral color measurement data, and constructing closed linear mapping to estimate a pixel-level discrete reflectance spectrum; performing energy normalization on the estimated spectrum, and calculating a spectrum gravity center, a spectrum width, first-order differential energy and second-order differential energy to form a spectrum signature; constructing a self-adaptive threshold value based on a local reference region statistical median and a robust scale, and classifying abnormal pixels by adopting a determination logic of a spectrum angle and a signature standardization distance; the method is suitable for online and offline appearance detection scenes of a production line, and can distinguish the overall color cast and spectral distortion, thereby improving the interpretability and robustness of the whole area array detection.

The invention relates to the technical field of spliced telescopes, and particularly provides a spliced mirror surface seamless spectral measurement method, which comprises the following steps: irradiating a spliced mirror surface by using incident light, selecting two sub-mirrors by using an aperture masking method, opening aperture channels of the two selected sub-mirrors, closing aperture channels of other sub-mirrors, and carrying out spectral measurement on the spliced mirror surface. Performing dispersion on two beams of reflected light reflected by the two selected sub-mirrors to obtain two beams of spectral dispersion light, performing interference on the two beams of spectral dispersion light, expanding interference fringes with different wavelengths in a direction perpendicular to dispersion, performing detection to obtain a two-dimensional interference spectrum, performing pose adjustment on the two selected sub-mirrors to realize spectrum alignment, and performing spectrum alignment. The spectrums of all the sub-mirrors of the spliced mirror surface are aligned through iteration, aperture channels of all the sub-mirrors are opened, and the seamless spectrum of the spliced mirror surface can be measured. According to the invention, the seamless spectrum of the spliced mirror surface with high signal-to-noise ratio, good continuity and resolution close to diffraction limit can be obtained.

The application discloses a wide-spectrum lens for ultraviolet to visible light bands, which comprises first to eighth lenses arranged in sequence along the light path propagation direction, wherein the first and second lenses are glued together to form a glued lens, and the fifth and sixth lenses are glued together to form a glued lens; the third lens is a negative double-concave thick lens; the first, fourth, fifth and seventh lenses are double-convex positive lenses; and the second, sixth and eighth lenses are negative double-concave thin lenses. The wide-spectrum chromatic aberration, on-axis and off-axis aberration of the lens are well balanced, the optical transfer function of the system is improved, the imaging quality is high, and the actual use requirements of the wide-spectrum imaging from ultraviolet to visible light are met.

The present disclosure provides a wearable device and a health monitoring method. The wearable device comprises a spectrum detection module for detecting light signals of at least three light wave bands from different external environments in real time and converting into spectrum information; a communication module for transmitting each spectrum information and time information of the spectrum information to a processing module, which is arranged inside the wearable device or independent of the wearable device; the processing module is used for: classifying and labeling each spectrum information according to a classification algorithm to obtain a classification label of the spectrum information; performing color temperature calculation on each spectrum information to determine the spectrum color temperature of the spectrum information; constructing a first health warning model according to the classification labels of the plurality of spectrum information, the spectrum color temperature corresponding to each classification label and the time information; and a display module for displaying the first health warning model.

This invention discloses a brightness-controllable pseudo-color enhancement method based on multi-spectral color space fusion. The implementation steps are: quantizing a 14-bit infrared image into a 16-bit image and enhancing it using the algorithm constructed in this invention; constructing a high grayscale infrared image HIS pixel self-transformation mapping function and a brightness-adjustable RGB mapping function to map the enhanced 16-bit grayscale image to a 24-bit RGB color image. This invention solves the problem that 14-bit infrared images cannot be properly displayed on conventional 8-bit displays, and by mapping the 16-bit image to a 24-bit RGB image through the mapping function, it improves the visual quality of infrared images. It is highly practical and has high promotional value, and can be widely applied to image processing algorithms for vehicle-mounted infrared images, SAR images, and similar images, providing reliable application support for related fields.

This invention provides a lighting adjustment system for infants and young children. The system includes an adjustable light source capable of controlling various lighting conditions such as spectral color temperature, brightness, flicker rate, and duration. Simultaneously, the system also features a feedback mechanism to monitor the establishment of sleep rhythms and cognitive responses in infants and young children. Furthermore, this invention includes judgment software that automatically adjusts lighting conditions based on feedback data to promote improvements in the REM sleep development curve, the establishment of healthy and stable sleep rhythms, and ultimately, the development of cognitive abilities in infants and young children.

The invention relates to the field of electrical digital data processing, and relates to a multispectral color data calibration method and system based on multisource perception data fusion, and the method comprises the steps: obtaining original color data and environment data of a target object measured by a multispectral sensor; judging whether the original color data meets a calibration condition or not; if the original color data meets the calibration condition, calling main reference color data corresponding to the multispectral sensor; comparing the original color data with the main reference color data, and calculating to obtain a first compensation parameter for correcting an inherent difference value between the equipment; the environment data are input into a preset environment compensation model, a second compensation parameter is output through the environment compensation model, and the second compensation parameter is used for correcting the environment interference value; and performing fusion calibration on the original color data by using the first compensation parameter and the second compensation parameter to generate calibrated color data. Data of different devices and in different environments are normalized to objective standards.

The utility model discloses a fluorescent powder spraying device for a backlight source wafer of a full-spectrum display system, which comprises a spraying box and a material box arranged at the top of the spraying box, a position-adjustable mounting seat is arranged in the spraying box, a nozzle is arranged at the bottom of the mounting seat, a pipeline communicated with an inner cavity of the nozzle is arranged on the side surface of the mounting seat, and the material box is arranged on the material box. The end, away from the nozzle, of the pipeline communicates with the bottom of the inner cavity of the material box, an air inlet assembly communicating with the inner cavity of the material box is arranged on the side face of the spraying box, and a filtering assembly is arranged at the air inlet end of the air inlet assembly. According to the fluorescent powder spraying device for the backlight source wafer of the full-spectrum display system, a full-spectrum backlight source display product is developed by adopting a spectrum color complementing technology that the purple light wafer is matched with blue powder, cyan powder, green powder and red powder on the backlight source, heating treatment can be conducted on the fluorescent powder in the fluorescent powder spraying color complementing process, the adhesion performance of the fluorescent powder is improved, and the quality of the backlight source product is guaranteed.

The application discloses a cold-rolled steel plate surface color difference defect control method, and relates to the related field of cold-rolled steel plate processing.The cold-rolled steel plate surface color difference control method has the advantages that the online spectrum color difference detection is combined with the annealing furnace exhaust odor characteristic monitoring, the double-dimension judgment of the annealing process atmosphere state and the surface oxidation film change is realized, compared with the traditional mode of only relying on the color difference result for after-regulation, the method is more real-time and predictive, the system can identify the atmosphere abnormal trend in advance through the odor characteristic change before the color difference has obvious deviation, and the compensation adjustment of the hydrogen proportion, the dew point and the furnace temperature is automatically executed, so that the generation of the color difference defect is effectively prevented; when the color difference and the odor signal are synchronously abnormal, the system can also quickly respond and recover to the stable interval, the color difference control precision is greatly improved, the method can significantly improve the consistency of the steel plate surface brightness and color, improve the color difference qualified rate and reduce the product waste caused by the annealing abnormality.

The invention provides a building color painting repair color calibration auxiliary device which comprises a base, a scanning frame, an analysis table and a color mixing box, the scanning frame is arranged on the base, a spectrophotometer is arranged on the scanning frame, the analysis table is arranged beside the scanning frame, an analysis computer is arranged on the analysis table, and a color mixing box is arranged on the analysis computer. The spectral color photometer is connected with the analysis computer through a signal line, the spectral color photometer is used for shooting a repaired color part and inputting data into the analysis computer, the color is analyzed through the analysis computer, and the color mixing box is positioned beside the analysis table and is also connected with the analysis computer through a signal line. Color analysis is carried out on the position needing color comparison through the spectrophotometer on the scanning frame, meanwhile, the electric valve in the color mixing box is controlled to work through the analysis computer, the use amount of pigment is accurately controlled, and a user can conveniently and rapidly mix the pigment with the consistent color difference.

The invention relates to the technical field of chemical analysis of oil products, and particularly discloses a method for judging an acid value titration end point of electric oil based on a color titration method. The method comprises the following steps: acquiring time-varying data of a solution color depth value in a titration process in real time by virtue of a spectrum color sensor, fitting a color titration curve by virtue of a high-order polynomial, calculating the curvature of the fitted curve point by point, and taking a curvature peak point which appears for the first time and has a curvature value of 0.2-2 as a titration end point. The method overcomes the defects that a traditional indicator titration method is strong in subjectivity, an automatic potentiometric titration method is easy to pollute an electrode and has no potential jump, and the like, avoids adverse effects of colors of different oil samples on the RGB value of the titration end point when the end point is judged by the color RGB value in an existing color titration method, and is objective and accurate in titration end point judgment, excellent in repeatability and high in accuracy. The method is suitable for measuring the acid value of electric oil. The method is easy and convenient to operate, economical, environmentally friendly, efficient, accurate and high in application and popularization value.

This invention discloses a fluorescent glass material for high-power LEDs, its preparation method, and its application, relating to the field of inorganic glass luminescent materials. The technical solution of this invention includes the following components: glass powder and phosphor, wherein the glass powder is composed of SiO2, B2O3, Al2O3, CaO, Y2O3, and Na2O, and the phosphor is Y3Al5O3. 12 :Ce 3+ Y3Al5O 12 :Ce 3+ Phosphors are mixed with low-melting-point glass powder SiO2-B2O3-Al2O3-CaO-Y2O3-Na2O, pressed into a compact, sintered, and then cut, ground, and polished to obtain a yellow fluorescent conversion material. By optimizing the phosphor concentration and the thickness of the fluorescent glass, the color temperature, color rendering index, and color coordinates of the white light spectrum can be easily controlled, with a maximum luminous efficiency of ~140 lm / W, which can be used in high-power LED white light lighting and display fields.

The utility model discloses a periscope formula spectrum colorimeter, including shell, color wheel disc, intelligent camera and camera lens, and color wheel disc rotation is connected in the front side of shell, and intelligent camera is coaxial with camera lens and is arranged, and intelligent camera is in the back side of shell, and periscope one end is equipped with the light entrance mirror, and the other end is equipped with the light exit mirror, periscope is integrated on color wheel disc, and effective utilization space has solved the shortcoming that traditional imaging colorimeter has no spectrum diagram. The imaging colorimeter of integrated spectrometer can carry out data calibration to the measured sample at the test site, so that the data measured by the imaging colorimeter is more accurate, and convenient to use. The spectrum diagram is obtained through the operation analysis in the spectrometer, the spectrum data and the image are fused, the multispectral data cube or color analysis report is generated, and the spectral characteristics (such as reflectivity, radiation intensity) of the target are obtained.

The application discloses a kind of based on color quality coordinate measurement obtains the method for obtaining film thickness.The present application uses optical fiber light guide, grating and surface array detection mode, obtains the spectral signal of sample, according to the conversion relationship of reflectance spectrum and color quality coordinate, the color quality coordinate of sample to be measured is calculated.The complete mapping relationship of color quality coordinate and thickness of film is obtained by theoretical calculation, and the color quality coordinate in the color quality coordinate of theoretical mapping relationship is compared with actually measured color quality coordinate, so the thickness information of film sample can be accurately obtained.The present application overcomes the shortcomings that wavelength scanning needs to rotate grating or prism in the measurement process in traditional spectral color measurement mode, realizes single full-spectrum measurement, and shortens the time required for measurement.At the same time, compared with wavelength interval in traditional measurement, the present application uses denser spectrum acquisition, so that the color information is more accurately obtained, and the thickness information of nanometer film is quickly and accurately obtained.

This invention discloses a multi-source coordinated light-emitting combined lighting system, relating to the field of combined lighting technology. It includes a temperature sensor array, a spectral-colorimetric sensor, and a controller. The temperature sensor array collects temperature values ​​at multiple preset locations within the light source array to obtain temperature distribution data. The spectral-colorimetric sensor collects color parameters from at least two different regions of the emitted light spot from the light source array to obtain spatial color difference data. This invention addresses the root cause of the thermal field morphology by actively "flattening" the thermal field curvature, effectively suppressing the spatial colorimetric degradation of the light spot caused by the central heat island effect. This significantly improves the spatial consistency of the combined lighting system under long-term high-power operation, while also adapting to individual differences in different lamps and long-term aging drift, fundamentally eliminating the spatial color difference problem caused by uneven thermal field distribution.