22 results about "Color test" patented technology

The invention discloses a ray tracing method, a graphics processor, an electronic device and a storage medium, and the method comprises the steps: obtaining batch primitive information meeting a coloring test requirement in a current node in a bounding volume hierarchical structure by a ray tracer in a process of carrying out a traversal intersection test on a ray and the bounding volume hierarchical structure; transmitting the batch primitive information and the current light ray information corresponding to the current node to a shader, so that the shader performs a coloring intersection test on the batch primitive and the current light ray; and receiving an intersection test result transmitted by the shader, and executing ray tracing operation according to the intersection test result. According to the technical scheme, the waiting time delay of information transmission between the light tracer and the shader can be reduced, and the execution efficiency of a graphic rendering task and the utilization rate of hardware resources of a graphic processor are improved.

This application relates to apparatus and methods for testing one or more computing devices. In one example, a testing system includes a testing frame with at least one testing cabinet for housing a computing device under test. The testing cabinet can also include testing equipment such as a camera, a microphone, a speaker, a color test sheet, and an ambient light sensor. Further, the testing frame includes a control cabinet for housing a testing computing device, where the testing computing device is communicatively coupled, through one or more hubs, to each computing device under test. The testing frame may also include a bracket that secures a monitor and a keyboard, where the monitor and keyboard are communicatively coupled to the testing computing device. The testing computing device can control the testing equipment to test various functions of the computing device under test, an may generate status based on the tests.

The invention discloses an ink color testing method, device and equipment and a storage medium, and relates to the technical field of ink testing for ink-jet printing. The method comprises the following steps: determining test waiting time; controlling the ink-jet printing equipment to jet ink to be tested onto a printing medium to obtain a first test image; and after the test waiting time, controlling a color acquisition device to obtain a color value of the first test image so as to determine color characteristics of the ink to be tested. According to the method provided by the invention, the color of the first test image is not collected immediately after the first test image is printed, but is collected after the test waiting time ensures that the color of the ink on the printing medium is stable, so that the test result is closer to the actual performance, and the accuracy of the ink color test result is improved.

The embodiments of the present application relate to the technical field of aerosol generation apparatuses. Disclosed are a color testing calibration method and an aerosol generation apparatus. The method comprises: acquiring a no-load signal of an aerosol generation apparatus, then controlling a color testing apparatus to perform a color test, so as to obtain a new background color value; according to the new background color value and the current background color value, calibrating the current color threshold interval, so as to obtain a new color threshold interval; and storing the new color threshold interval and the new background color value. That is, along with the use of an aerosol generation apparatus, the current background color value and the current color threshold interval are re-calibrated, a new color threshold interval and a new background color value, which are obtained by means of calibration, are used as reference values for color determination, such that the reference values are adapted to a smudge and aging of a color testing apparatus. By means of the present application, fine errors such as small dirt and brightness attenuation can be corrected in a timely manner, color testing is more accurate, and the anti-dirt effect is effectively achieved.

A control device selects one of a plurality of chromatic colors as a target chromatic color according to a consumption status of developing agents of the plurality of chromatic colors. The control device causes an image forming portion to execute a process of forming, on a surface of a transfer medium, a plurality of chromatic color test images of the plurality of chromatic colors, and a superimposed test image in which a black test image is superimposed on a background image of the target chromatic color. The control device acquires a test detection signal of an amount of diffuse reflection light in each of areas of the plurality of chromatic color test images and the superimposed test image on the surface of the transfer medium. The control device adjusts timing of image formation of the plurality of colors by the image forming portion based on the test detection signal.

The invention discloses a nanocellulose color test strip for simultaneously detecting porcine epidemic diarrhea virus (PEDV), porcine delta coronavirus (PDCoV) and porcine acute diarrhea syndrome coronavirus (SADS-CoV). The red nanocellulose ball labeled combination pad is coated with a red nanocellulose ball labeled anti-PEDVN protein monoclonal antibody; the green nanocellulose ball labeled combination pad is coated with an anti-PDCoVN protein monoclonal antibody labeled by green nanocellulose balls; the blue nanocellulose ball labeled combination pad is coated with an anti-SADS-CoVN protein monoclonal antibody labeled by blue nanocellulose balls; the three detection lines are respectively coated with monoclonal antibodies of N proteins of the three viruses, and the quality control line is coated with rabbit anti-mouse IgG. The test strip distinguishes target viruses through colors, is high in sensitivity and simple and convenient to operate, and can complete triple detection within 10 minutes.

The invention relates to a packaging unit detecting and positioning method and system based on image analysis, and relates to the technical field of image detection.The method comprises the steps that multiple sets of illumination parameters for testing are determined; acquiring color test images of the plurality of food packages for testing under the plurality of groups of illumination parameters for testing, and determining an optimal illumination parameter; a plurality of color test images of the to-be-punched food packages under the optimal illumination parameters are obtained, and the positions of the to-be-punched food packages in any two color test images are different; determining a punching positioning matching point group of the to-be-punched food package based on the plurality of color test images of the to-be-punched food package under the optimal illumination parameters; acquiring a color real-time image of the food package to be punched under the optimal illumination parameter; and the real-time punching coordinate is determined based on the punching positioning matching point group and the color real-time image of the to-be-punched food package, and the method has the advantage of improving the punching positioning efficiency and accuracy of the food package.

The application belongs to the field of electrochemistry, and relates to tumor protein P53 gene detection, in particular to a label-free double-color test strip, a kit and a preparation method thereof for tumor protein P53 gene detection. The application belongs to a novel LFA method, which combines DNA hybridization chain reaction with the electrostatic adsorption principle of test line / control line, selects common and cost-effective bovine serum albumin as the test line, utilizes the difference in the adsorption capacity of BSA to double-stranded DNA and nano-gold, and the different flow rates of different molecules on the NC membrane to complete the detection of p53 at different concentrations. The test line is constructed by positively charged PDDA to ensure the effectiveness of the LFA. Meanwhile, the detection principle of a liquid colorimetric sensor is combined, and the double-color development greatly reduces the detection limit of the test strip. The sensor is label-free throughout, and has high analytical performance in terms of sensitivity, selectivity and practicability. The p53 gene is detected on the lateral flow test strip for the first time.

The utility model provides a hard contact lens fitting device which is used for checking whether a hard contact lens is matched or not through fluorescein and comprises colored test paper and a holding handle, and the holding handle is connected with the colored test paper; the coloring test paper is cylindrical, and one end, far away from the holding handle, of the coloring test paper extends along the axial direction of the holding handle to form a coloring part with a curved surface; the shape of the holding handle comprises a rod shape, the holding handle is connected with one end of the colored test paper, and a disc-shaped stopping part is formed by extending along the radial direction of the holding handle and is used for stopping fluorescein adsorbed by the colored test paper. The utility model provides a hard contact lens fitting device, which is helpful for improving the uniformity of fluorescein distribution, improving the accuracy of fitting results and reducing the possibility of pollution caused by fluorescein leakage.

This invention relates to user-specific color contrast enhancement. The invention proposes an apparatus and corresponding method for estimating a user's categorical color matching function (CMF) type and / or adjusting the device's color imaging workflow. Estimating the user's categorical CMF type includes: displaying a binary color test set on a screen; calculating a score for each categorical CMF type in a predetermined set of categorical CMF types based on received input information; and selecting a categorical CMF type for the user corresponding to the maximum or minimum score. Furthermore, this invention proposes an apparatus and corresponding method for creating a binary color test set.

The utility model provides a point light source light field distribution testing device, which comprises a daylighting piece, a diffusion sheet and a shooting device, a point light source piece is conveyed to a testing station by a conveying device, the testing station is arranged below the daylighting piece, the daylighting piece is arranged close to the point light source piece, the diffusion sheet is arranged at the top of the daylighting piece, and the shooting device is arranged on the testing station. The light collecting piece is arranged above the spot light source, the shooting device is arranged above the diffusion sheet, the light collecting piece collects light rays emitted by the spot light source at different angles, the light rays are scattered at the diffusion sheet, and the shooting device collects images on the diffusion sheet. According to the scheme, color testing of the light source and light field distribution are combined together, collection of all light emitting information of a point light source material can be completed through one-time testing, and the requirement for automatic testing of the LED light field is met.

The application discloses a printed matter color automatic detection device and detection method, which comprises a chassis, a transmission assembly arranged above the chassis to realize transmission of the printed matter, and a detection cabinet mounted on the top of the chassis, and a color detection mechanism arranged in the detection cabinet to realize multiple detection operations of the color of the printed matter. The application relates to the color automatic detection technical field. The printed matter color automatic detection device and detection method are provided with the color detection mechanism, a switching unit is used to realize switching operations of different light source lamps, color tests under different environments in the detection process are realized, personnel is not needed to replace the light source lamps, the clamping unit is used to realize clamping opening of the light source lamps, and the clamping opening realizes light source generation and stable operations, light source switching and positioning operations, so that the overall detection operation is more convenient, the efficiency is higher, and integrated automatic color detection operations are realized.

An abrasive article including a backing; a plurality of shaped abrasive particles overlying the backing; where the abrasive article further has: 1) a Swarf Mode Gray Value of less than 25 for cumulative material removed of at least 500 g according to the Inconel Grinding Swarf Color Test; 2) a Maximum Swarf Mode Gray Value of less than 25 for a cumulative material removal of not greater than 700 g according to the Inconel Grinding Swarf Color Test; or 3) a combination of 1) and 2).

The invention discloses a color phase detection method of a pigment, which comprises the following steps: preparing a standard rich color test block and a to-be-detected rich color test block as well as a standard light color test block and a to-be-detected light color test block, and making a colorimetric color card; respectively comparing the colors of the standard rich-color test block and the to-be-detected rich-color test block in the colorimetric color card and the colors of the standard light-color test block and the to-be-detected light-color test block in the colorimetric color card by adopting a visual observation mode; respectively detecting the standard rich-color test block, the to-be-detected rich-color test block, the standard light-color test block and the to-be-detected light-color test block by adopting a colorimeter to obtain a chromatic aberration parameter E1 of the to-be-detected rich-color test block relative to the standard rich-color test block and a chromatic aberration parameter E2 of the to-be-detected light-color test block relative to the standard light-color test block; if the visual observation result shows that the colors of the corresponding test pieces are similar, E1 < = 0.8 and E2 < = 0.8 are met simultaneously, the to-be-detected pigment is judged to be qualified. According to the hue detection method, the hue of the pigment can be accurately and rapidly detected, and the stability of the hue of the pigment is ensured.

This utility model provides a color testing device for automotive ambient light guides, comprising: a base plate, with wheels at the bottom of the base plate, a testing device housing at the top of the base plate, a storage cabinet at the bottom of the testing device housing, a workbench in the middle of the testing device housing, a support frame on the workbench, clamping parts on both sides of the support frame, and a light-shielding part and a testing part above the workbench. The color testing device for automotive ambient light guides provided by this utility model features a central support frame that enhances the stability of the main support structure. The arc-shaped pads of the contact pads and clamping parts, combined with springs, provide flexible clamping to avoid damage to the light guide strip. The light-shielding part uses a staggered adjustment through light-transmitting holes for precise light control. Combined with the testing part, a three-dimensional positioning system formed by a first sliding rail, a crossbar, and a lifting push rod expands the detection range of the detection probe, testing the detection effect at various locations and improving efficiency.

Method for reproducing digital color images on a monitor (4) in false color representation, - wherein the color images are captured using an image sensor (2) of an endoscopic image acquisition system (1) in a color image acquisition mode (15), - wherein an image processing unit (3) of the image acquisition system (1), which is arranged in a camera control unit (9) mediating between an endoscope (10) of the image acquisition system (1) and the monitor (4), generates respective image signals (8) from the recorded color images, which are supplied to an image signal input (5) of the monitor (4) in order to reproduce the color images live on the monitor (4) in false color representation, - and wherein the image processing unit (3) calculates a respective false color representation of the color images, based on image data recorded with the image sensor (2) and on the basis of at least one stored false color which is assigned to a specific image area, characterized in that - that before the actual reproduction of the color images on the monitor (4) a digital color test image (6) is displayed on the monitor (4) which has at least one stored false color that is used for the false color display, - that a digital image (7) of the color test image (6) displayed on the monitor (4) is captured by means of the image sensor (2) and compared with the original color test image (6), - that, depending on a determined deviation between the image (7) and the original digital color test image (6), at least one color compensation parameter (20) is determined and - that subsequently, in the color image capture mode (15), at least one color compensation parameter (20) is used to adjust the image signals (8) generated in the color image capture mode (15) before these image signals (8) are transmitted to the monitor (4), - so that the image signals (8) are color-adapted to the monitor (4) used, and thus a color-accurate reproduction of the at least one false color stored on the monitor (4) can be achieved.

Patterned fibrous substrates having a plurality of individual fibers, a first region, and a second region are provided. The patterned fibrous substrates have a plurality of individual fibers of the first region having a first diameter and a plurality of individual fibers of the second region have a second diameter, wherein the first diameter is less than the second diameter. The individual fibers of the first region and the individual fibers of the second region are substantially free of bonds, other than primary bonds. The first region has a first C.I.E. L* score, and the second region has a second C.I.E. L* score, according to the Color Test Method. The first C.I.E. L* score is different than the second C.I.E. L* score.

The present application relates to a kind of equipment signal indicator light color test system, comprising: light guide fiber, the probe end of the light guide fiber is aligned with the signal indicator light of the equipment to be detected, and the other end of the light guide fiber is connected to color sensor;Color sensor is used to convert the color light signal transmitted by light guide fiber into spectral digital signal;Microcontroller is used to control the on-off of the signal indicator light of the equipment to be detected, and the spectral digital signal obtained from color sensor is parsed into color coding information;PC end is connected with the microcontroller, used to issue signal indicator light on-off control instruction to the microcontroller, and the color coding information parsed by the microcontroller and the pre-input color information coding are compared and the comparison result is output;Power supply is used to power the system.Compared with the prior art, the present application has the advantages of strong environmental applicability, high test accuracy, simple structure and high economic practicality.

The invention discloses a color evaluation method for large-scale set book printing. The method comprises the following steps: designing a color test sample; sending the designed color test specimen page to a plurality of test printing factories for printing, and collecting a printing draft of the color test specimen page; performing multi-dimensional evaluation on each collected printing draft according to a pre-constructed color evaluation strategy to obtain a total scoring result of each printing draft; the pre-constructed color evaluation strategy is used for evaluating the color separation color and gray balance uniformity of the character color separation standard test pattern area, evaluating the cover color of the cover simulation area of the book to be printed, and evaluating the spot color tone and the light dot of the color gradient area; evaluating the filling condition of black dots in the fine line in the dot filling detection area in the fine line, and evaluating the fine line registration condition in the fine line registration detection area to obtain a scoring result of a corresponding dimension; and screening the plurality of test printing factories based on the total scoring result of each printing draft to obtain qualified printing factories.

An abrasive article including a backing; a plurality of shaped abrasive particles overlying the backing; where the abrasive article further has: 1) a Swarf Mode Gray Value of less than 25 for cumulative material removed of at least 500 g according to the Inconel Grinding Swarf Color Test; 2) a Maximum Swarf Mode Gray Value of less than 25 for a cumulative material removal of not greater than 700 g according to the Inconel Grinding Swarf Color Test; or 3) a combination of 1) and 2).

This document discloses a phototherapy device and related systems and methods having features for determining a user's dosage regimen. In some embodiments, the phototherapy device may include a colorimetric testing component positioned to acquire measurement data of a treatment area on a user's skin. The phototherapy device may use this measurement data to calculate the average Individual Type Angle (ITA) of the user's skin across the entire treatment area and use the average ITA to determine a dosage regimen tailored to the user's skin characteristics. The phototherapy device then irradiates the treatment area with a specific dose of ultraviolet radiation according to the dosage regimen.

The invention discloses a screen color configuration method, electronic equipment and a computer readable storage medium. The screen color configuration method comprises the following steps: acquiring a test result of a user based on various color test data; carrying out weight calculation by utilizing a test result, and determining a color style file of the user; and configuring matched screen display parameters for the user based on the color style file. By means of the method, personalized screen color configuration can be effectively achieved, cross-device color configuration synchronization is achieved, and it is ensured that consistent display effects are obtained at different terminals.