68results about How to "Good correction effect" patented technology

The invention discloses a rapidly converged scene-based non-uniformity correction method, wherein the aim of non-uniformity correction is achieved by minimizing interframe registration error of two adjacent images. The method mainly comprises the following steps of: initializing gain and offset correction parameters and acquiring an uncorrected original image; acquiring a new uncorrected original image, and carrying out non-uniformity correction on the new uncorrected original image and the previous uncorrected original image by utilizing the current non-uniformity correction parameters; obtaining relative displacement, scene correlation coefficient and interframe registration error of two corrected images by utilizing an original point masking phase correlation method; and updating correction parameters along the negative gradient direction by adopting a steepest descent method. The method disclosed by the invention has the advantages of high correction accuracy, fast convergence speed, no ghost effect and low calculated amount and storage content and is especially applicable to being integrated into an infrared focal plane imaging system, and the effect of improving imaging quality, environmental suitability and time stability of an infrared focal plane array is achieved.

The invention provides a model-free wavefront distortion correcting system based on a spatial light modulator. The system consist of a polarizing sheet 1, a telescopic system 2, a beam splitter prism 3, a shrinkage device 4, a CCD camera 5, a computer system 6, the spatial light modulator 7, a wavefront controller 8 and a monitoring camera 9. The common CCD camera is adopted to form images; a Strehl ratio of beams is analyzed according to the model-free iteration theory to obtain control signals of optimization parameters required by a wavefront corrector; the performance indexes of the system such as imaging definition, receiving light energy and the like are directly used as objective functions of an optimization algorithm to optimize and acquire the correction effect close to a diffraction limit; and the optimization parameters are calculated in parallel by a computer with a graph processor, the acquired multi-channel control signals are transmitted to the wavefront controller, and then the wavefront controller drives the spatial light modulator to achieve real-time correction of wavefront distortion phase so as to effectively solve the problem of wavefront distortion in atmospheric laser communication.

This invention relates to section bias amending minimum and coding method suitable for low density LDPC code flexible coding, which comprises the following steps: using the channel received information as variable joint to send out correction joint information adn to fetch input information for computation and comparing the resolute values for minimum and secondary information reliability; then according to minimum amplitude to selecting minimum value and secondary amending factors from section list; then outputting to the variable joint to receive the information as overlap judging soft information to judge whether the sequence satisfies the test equation and if not then updates output information and enters next overlap codes.

The invention provide a film conveying deviation-rectifying device combining the tension control, which comprises a film input guiding roller, an output guiding roller, a deflection detecting mechanism, a tension detecting mechanism, a controller and a deviation-rectifying actuating mechanism, wherein the film input guiding roller and the output guiding roller are used for inputting a film guide into the deviation-rectifying actuating mechanism and outputting the film guide from the deviation-rectifying actuating mechanism; the deflection detecting mechanism is used for detecting whether the film deflects or not; the tension detecting mechanism is used for detecting the film tension; the controller is used for generating deviation-rectification or / and tension control instruction as per the detection information; the deviation-rectifying actuating mechanism comprises a spherical motor, a deflection frame and a deviation-rectification roller; a runner of the spherical motor drives the deflection frame to rotate on a feeding surface of the film; the friction between the rectification roller and the film drives the inverse rotation of the film to realize the deviation-rectification; meanwhile, the runner of the spherical motor drives the deflection frame to rotate on the surface vertical to the feeding surface of the film, so as to tighten or loose the film to realize the tension control. According to the invention, the deviation-rectification and the tension control of the film can be realized simultaneously, the influence of the tension variation on the deviation-rectification is greatly reduced, the structure is simple, and the deviation-rectifying precision is high.

The invention discloses a deviation rectification control system for flexible film conveying. The deviation rectification control system comprises a plurality of deviation rectification controllers, an upper computer, a communication module and the like, wherein each deviation rectification controller comprises a deviation rectification sensor, a signal acquiring module with double input channels, a main control module, a motor driving module and a motor feedback module respectively; the signal acquiring modules are used for acquiring analog signals output by the deviation rectification sensors, and outputting the acquired analog signals to the main control module; the main control modules are used for performing comparative calculation on the analog signals and a set value to obtain PWM (Pulse-Width Modulation) waves, outputting the PWM waves to the motor driving modules, and controlling a deviation rectification executor to work by using the PWM waves; and the motor feedback modules are used for feeding information to the main control modules to finish a closed loop control process. Moreover, a deviation rectification control mode and the internal circuit structures of the motor driving module and the signal acquiring modules serving as key components are designed. The deviation rectification control system can be suitable for deviation rectification executors of various types, and has high control accuracy; and a plurality of deviation rectification control schemes can be provided.

The invention discloses an integral video monitoring method of a large space region. The integral video monitoring method of a large space region includes the following steps: selecting a rectangular region to be monitored on an electronic map, selecting a rectangular region having a motion object in the region to be monitored as the video acquisition region and the symbolic object, and drawing an AutoCAD planar graph; measuring the spatial position coordinates of the video acquisition region and each symbolic object; according to the spatial position coordinates, establishing three dimensional models; according to the range which can be monitored by cameras, dividing the video acquisition region into a plurality of video monitoring sections, after performing correction and gap filling process on the real-time video images acquired by each camera, respectively mapping the real-time video images to the three dimensional models of the corresponding video monitoring sections, and then generating a real time large space projection image of the region to be monitored by means of image gathering; and through a splicing screen, displaying and recording videos at the same time. The integral video monitoring method of a large space region realizes integral video monitoring of the large space region, and can provide complete global video data at the first time for dealing with emergent events.

The invention discloses a multi-source remote sensing image radiometric normalization method. The method is characterized in that relative radiometric normalization of a multi-source remote sensing image is divided into a sensor radiation correction process and a radiometric normalization process specific to external factors such as illumination. The method comprises the following steps: S1, acquiring a sensor radiation correction coefficient in a categorical regression way based on a clear sky image; S2, implementing semi-automatic classification and sensor radiation deviation correction of the multi-source image by a sample transmitting and reclassifying method; and S3, implementing relative radiometric normalization of the image through a PIFs (Pseudo Invariant Features) automatic selection method based on an NDVI (Normalized Difference Vegetation Index) histogram of differences and a category constraint. Through adoption of the multi-source remote sensing image radiometric normalization method, radiation deviations among sensors are effectively corrected, and higher radiometric normalization accuracy is achieved as a whole than a conventional method. Meanwhile, radiation feature fluctuation among time-sequence images can be eliminated effectively through the method, so that aspect change information of land such as vegetative can be expressed more accurately, and a reference method is provided for cooperative utilization of the multi-source time-sequence images.

The invention discloses a straight line moving control method for crawler-type mechanical equipment. The method includes comparing the present right impulser mileage increment with the value which equals the present left impulser mileage increment multiplied by the rectifying deviation coefficient, inputting the difference between the present right impulser mileage increment and the value into a proportional controller, obtaining the rectifying deviation quantity, adding the rectifying deviation quantity into the right speed set value, finally changing the right impulser mileage increment value through a speed closed-loop control system, and enabling the right mileage to be in accordance with the left mileage multiplied by the rectifying deviation coefficient. According to the straight line moving control method, moving straightness accuracy deviation caused by inconsistent effective driving machinery dimensions on two sides and driving speed deviations on two sides is eliminated, controlling structure is simple, rectifying deviation effect is good, the purpose of straight line moving rectifying deviation is achieved without changing prior speed closed-loop control system, and straight line moving performance of the crawler-type mechanical equipment is improved.

The invention discloses a deviation rectifying and strengthening structure for a shallow-foundation building and a construction method of the deviation rectifying and strengthening structure for the shallow-foundation building. The deviation rectifying and strengthening structure comprises a pile bearing table, anchor rod static pressure piles, pile sealing plates and a filling layer. The pile bearing table is an original building shallow foundation obtained after building deviation rectifying or is formed by additionally arranging a foundation part on the original building shallow foundation obtained after building deviation rectifying. Pressure pile holes are formed in the upper surface of the pile bearing table, the static pressure piles are located in the pressure pile holes, and the pile tops of the static pressure piles are located in hole sections, located in the original building shallow foundation or pile bearing table, in the pressure pile holes. Concrete is poured in the pressure pile holes, anchor ribs are arranged on the pile tops of the anchor rod static pressure piles, and the anchor ribs are anchored in the concrete in the pressure pile holes. Pressure pile anchor rods penetrate in the bearing table from the upper surface of the bearing table and are located on the peripheries of the pressure pile holes, the upper ends of the pressure pile anchor rods are exposed out of the upper surface of the pile bearing table, and concrete is poured in the positions of the pressure pile holes so that the pressure pile anchor rods can be sealed into the concrete to form the pile sealing plates. By means of the deviation rectifying and strengthening structure for the shallow-foundation building and the construction method of the deviation rectifying and strengthening structure for the shallow-foundation building, when deviation rectifying treatment is conducted on the shallow-foundation building, the effect of strengthening the original foundation not meeting the requirement is achieved.

The invention provides a projection image correction method and device, and relates to the technical field of projection correction. The projection image correction method comprises the steps of obtaining the actual pixel point coordinates of a real projection image and theoretical pixel point coordinates of the projection image, wherein the theoretical pixel point coordinates of the projection image are used for describing the theoretical coordinates of pixel points in the projection image when the pixel points are projected to a projection area; and obtaining a difference value between the actual pixel point coordinate and the theoretical pixel point coordinate, and adjusting the shape of the projection image according to a difference value between the actual pixel point coordinate and the theoretical pixel point coordinate to obtain a corrected to-be-projected image. When facing a non-parametric projection screen, a corrected projection image cannot be obviously distorted, the correction effect is good, and the visual experience is good.

The invention discloses a self-adaptive moving electron multiplying CCD video image denoising method. According to the method, bidirectional registering is performed on the reference frame and the current frame of a low-light video sequence by adopting a determinant projection mode, the sum of deviation squares of projection of two sequentially continuous frames of images is calculated and the obtained function of the sum of deviation squares is a function related to displacement, and then the maximum displacement of the two sequentially continuous frames of images is found by traversal of the matrix of the sum of deviation squares; and the overlapped area of the two frames is obtained by the calculated displacement coordinates of the two sequentially continuous frames of images, image information of the overlapped area is not changed after the overlapped area is obtained and noise randomly changes and meets a Gaussian noise model, the displacement direction of the images is judged, bidirectional registering is performed on the images, and then weight filtering is performed to remove noise. Noise of electron multiplying CCD moving videos can be removed, and the image correction effect is great so that a ghost problem caused by the conventional moving video denoising method can be avoided.

The invention discloses a system and method of adaptive optical correction based on double-deformable-mirror human eye aberration. The method uses the characteristic that decoupled human eye aberration shows that large aberration mainly occurs at a low order, fluctuation is large, aberration of a high-order mode is small, and change is stable. Wave front correction capacity on a deformable mirror I and a deformable mirror II is combined, decoupled human eye aberration is decomposed into a low-order portion and a high-order portion, the deformable mirror I corrects the low-order portion with a simple surface shape and large value, and the deformable mirror II corrects the high-order portion with a complex surface shape and small value. Correction results of the two portions are stacked to achieve combined correction on the whole human eye aberration. The system and method effectively overcomes the limitation of the existing adaptive optical human eye aberration correction system adopting a single deformable mirror.

The invention discloses a deviation-correcting unit used for correction when a membrane band deviates. The deviation-correcting unit comprises a guide roller assembly, a deviation-correcting actuator and slide rail assemblies. Each slide rail assembly comprises a slide block and a slide rail in sliding fit. The guide roller assembly is rotatably connected with the slide blocks. The deviation-correcting actuator is fixedly connected with the slide blocks and drives the slide blocks to shift so as to drive the guide roller assembly to swing. The invention further provides a reverse osmosis membrane production device adopting the deviation-correcting unit. The deviation-correcting unit and the reverse osmosis membrane production device have the advantages that the deviation-correcting unit is simple in structure and stable to operate and has a good deviation-correcting effect for the deviated membrane band, the membrane band is stressed uniformly after deviation-correcting, and therefore the quality of the membrane band is guaranteed.

The invention discloses a calculation method for theoretical line loss of a distribution network considering a small power supply. The calculation method comprises the following steps of: obtaining aresistance of each branch of the distribution network, the active power, a reactive power, a voltage and current data of each node; counting a power consumption of each small power node, using an average current method to calculate the power loss of the distribution network; calculating injection current of each node according to the active power, the reactive power, a voltage amplitude and a current amplitude of each node; forming a path mutual resistance matrix by using a search method; obtaining an accurate electric energy loss calculation model, and a loss calculation model based on the average current method by adopting a loop analysis method based on the path mutual resistance matrix and the injection current of each node; using the accurate power loss calculation model, and the losscalculation model based on the average current method to obtain a calculation error of the average current method, that is, a correction amount of loss; and calculating the sum of the power loss obtained by the average current method and the correction amount of the loss, and obtaining the theoretical power loss of the distribution network.

The invention discloses a prone type cervical correcting device which comprises a base, two chest shoulder pads, a chin pad and a forehead pad. The two chest shoulder pads are symmetrically arranged on the base; the two chest shoulder pads, the chin pad and the forehead pad are supported on the base by a chest shoulder pad supporting frame, a chin pad supporting device and a forehead pad supporting device, wherein the chin pad supporting device comprises a rear supporting strip and a front supporting strip; the front supporting strip and the rear supporting strip are articulated with each other; one end of the rear supporting strip is articulated on the base; the other end of the front supporting strip is movably supported in a supporting groove on the base; the supporting groove is formedby a plurality of small grooves arranged in parallel and in a shape matched with the shape of the end of the front supporting strip; the lower end of the chin pad is articulated at the articulated end of the front supporting strip and the rear supporting strip; the chin pad is a concave supporting pad matched with the shape of a human chin; and the forehead pad supporting device comprises a forehead supporting base and a height adjusting mechanism arranged above the forehead supporting base. The invention has the advantages of appropriate force application, comfortable use and good treatmenteffect.

The invention discloses a lane departure active deviation rectifying method based on torque control. The method comprises the steps of enabling an active deviation rectifying system to enter an activated state when meeting an activation condition, and enabling the active deviation rectifying system to obtain road information and vehicle parameter information in real time; calculating a feed-forward torque based on the acquired information; determining a target yaw velocity of vehicle deviation rectification based on the obtained information, and calculating a feedback torque according to the target yaw velocity; calculating compensation torque according to the feed-forward torque, the feedback torque and the steering wheel torque, and inputting the compensation torque into the steering system to complete torque deviation rectifying control. According to the invention, a feed-forward and feedback control scheme is adopted, target parameters can be quickly followed, the lane departure deviation rectifying action of the vehicle is completed, the system is stable, the operand is low, and the memory consumption of a controller is low; by taking the yaw velocity of the vehicle as a target control value, a good deviation rectifying effect is guaranteed when the vehicle runs on a curve.

The invention discloses a building steel tube correcting device. The building steel tube correcting device comprises a bottom frame. A steel tube containing block is fixed to the bottom frame, a containing groove is formed in the steel tube containing block, a supporting column is fixed to the bottom frame, a servo motor and two supporting blocks are fixed to the supporting column, the two ends of a lead screw are hinged to two supporting blocks, the upper end of the lead screw extends out of the supporting block at the upper portion and is fixedly connected with an output shaft of the servo motor through a shaft coupler, a connecting block is in threaded connection to the lead screw, an upper pressing block is fixed to the connecting block, a pressing groove is formed in the bottom face of the upper pressing block, the width of the upper pressing block is smaller than the width of the containing groove, the pressing groove corresponds to the containing groove in an up-and-down mode, the top face of the pressing groove is an arc-shaped face, and the bottom face of the containing groove is an arc-shaped face. By means of the building steel tube correcting device, manpower is not needed for correcting, automatic correcting can be carried out, the correcting effect is good, and efficiency is high.

This invention relates to an active and passive single-phase power factor correction circuit composed of a reactor circuit, a magnetic energy resuming switch, a triple resonance circuit and a commutation filter circuit, in which, the reactor circuit carries out sensitive filter to circuit current, the magnetic energy resuming switch carries out capacitive compensation to the circuit current, the triple harmonic magnetic field generated by the secondary of the triple resonance circuit cancels out the primary triple harmonic current, and an AC voltage approximate to square waves and a circuit current approaching to synchronous and sine waveform are generated under the common action of the above three parts of circuits to be rectified and filtered by the commutation and filter circuit to get the DC output voltage with high mean value and low ripple voltage again.

The invention discloses a radiation correction method of a frame-type FPI hyperspectral image. Through calibration and correction at a spectral imager system level, a dark current caused by non-illumination in a light-sensitive unit and a lens attenuation effect of edge incident light are eliminated. In a radiation treatment portion, a non-ideal solar illumination condition results in a large radiation difference among images. A global median illumination correction method is used to eliminate a radiation brightness gradient difference caused by illumination changes between air strips. Based on image bottom point standardization BRDF correction, the brightness gradient difference associated with an observed angle and direction in a scene is eliminated. A spectral curve is polished throughusing Savitzky-Golay filtering, and an atmospheric-correction residual absorption peak burr noise is eliminated. A signal-to-noise ratio of the filtered image is obviously improved, especially in an original low signal-to-noise ratio wave band. Besides, a signal-to-noise ratio improvement effect in a near-infrared band is better than that in a visible light band, and an improvement range is about5 units.

The invention relates to the technical field of paper product processing devices, in particular to a paper product bonding servo rectification system of a cover and tray carton machine and a covering making machine. The paper product bonding servo rectification system comprises a machine frame which is provided with a left movable rod and a right movable rod. A linear slide rail is arranged between the left movable rod and the right movable rod; the linear slide rail is in sliding connection with a first left slide block, a second left slide block, a first right slide block and a second right slide block; the left movable rod is connected with the second left slide block, and the right movable rod is connected with the second right slide block. The machine frame is provided with a left servo motor and a right servo motor. A main shaft of the left servo motor is connected with a left movable assembly which is connected with the first left slide block. A main shaft of the right servo motor is connected with a right movable assembly which is connected with the first right slide block. The machine frame is provided with a lower servo motor; a main shaft of the lower servo motor is connected with a lower movable assembly which is connected with the linear slide rail. The paper product bonding servo rectification system is simple in structure, achieves digital control, and is accurate in control over speed and positions, and good in rectification effect.

The invention provides a method for correcting a geometrical distortion antifact in an fMRI based on a field map. The method comprises the steps of reconstructing multi-channel phased array coil images (an amplitude image and a phase image), cutting the amplitude image to make a mask layer, carrying out phase unwrapping on the phase image, generating the field map, carrying out denoising of the field map, generating a voxel displacement diagram, and carrying out geometrical distortion correction. In the process of carrying out denoising of the field map, according to different noise sources, a corroded amplitude image is used to make the mask layer to remove edge noise and peak removing, median filtering and gauss smooth methods are used to remove internal noise, through the combination of two methods, the noise of the field map is removed effectively, the filed map is used to correct a function magnetic resonance image, the effect is obvious, the method is simple and efficient, the signal to noise ratio is high, and the image quality can be improved well.

The invention discloses combinations of reference genes for gene function analysis on an RBSDV (rice black-streaked dwarf virus) infected plant. The combinations are obtained according to the following steps: analyzing the expression stability of a fluorescent quantitative PCR candidate reference gene in the RBSDV infected plant by utilizing geNorm and NormFinder, then the paired difference value V of a normalized factor is calculated after a new reference gene is introduced according to a geNorm program, and determining optimal reference gene combinations according to the variation of V, so as to obtain the optimal reference gene combinations for gene function analysis on the gene function analysis, wherein the optimal reference gene combinations are UBC and Actinl, and when the RBSDV infected plant is taken as a target, the optimal reference gene combinations (UBC and Actinl) can be used for obtaining more accurate and reliable gene expression results as compared with a single reference gene. The combinations can be used for researching the expression level and function of related genes of the RBSDV infected plant and the infecting mode of RBSDV.

The invention discloses a method and device for generating correction information of projection equipment. The method comprises the following steps: acquiring first coordinates of at least three first reference points on a projection screen and second coordinates of at least three second reference points on the surface of the projection equipment; generating a standard coordinate of each second reference point according to the standard location relation between the projection screen and the projection equipment and the first coordinates; and generating the correction information of the projection equipment according to the second coordinates and the standard coordinates. The correction information generated by adopting the method is relatively high in accuracy; after the projection equipment is corrected by adopting the correction information, any one of projection images projected to the projection screen by adopting the projection equipment can be clearly and fully displayed on the projection screen, the correction for each projection image is no longer required, and the correction efficiency of the projection images can be greatly improved.

The invention discloses a wide-spectrum correction method for measuring the response of a photoelectric detector by using FTIR (Fourier Transform infrared spectroscopy). According to the method, basedon a wide-spectral range flat-response pyroelectric detector which is adopted as a standard configuration for an FTIR spectrometer, the response of the detector and an amplification circuit to a selected light source and beam splitter combination at different scanning speeds is obtained; and relevant data are extracted, and the frequency response characteristics of the detector and the amplification circuit are obtained by means of fitting; the frequency response characteristics are used to correct the original output characteristic of the particular light source and beam splitter combination, so that the actual output characteristic of the particular light source and beam splitter combination can be obtained; with the corrected actual output characteristic adopted as a background spectrum, reference operation can be performed on the measured original response spectrum of a photoelectric detector, so that the corrected actual response spectrum of the photoelectric detector can be obtained; since the pyroelectric detector is a standard configuration for the FTIR spectrometer has a wide-spectral response property, and therefore, the method is universal and broad-spectrum, and is suitable for different light source and beam splitter combinations in various FTIR spectrometers.

The invention belongs to the field of machining of steel pipes, and particularly relates to a modified structure of a welding pipe squeezing roller seat. The modified structure of the welding pipe squeezing roller seat comprises a pressing wheel base plate, a screw rod arranged on the pressing wheel base plate, a sliding block which is arranged on the screw rod in a sleeved mode and driven by the screw rod, a squeezing mechanism arranged on the sliding block, and limiting guide wall plates which are arranged on the pressing wheel base plate and located at two sides of the sliding block. The sliding block comprises a connecting section located at the upper portion and a guide transmission section located at the lower portion, wherein the parts, located at two sides of the connecting section, of the top of the guide transmission section are limiting shoulders, a pressing plate is arranged at the top of each limiting guide wall plate, a correcting strip is arranged between one limiting shoulder and one pressing plate, and a plurality of correcting components which abut against each correcting strip to correct the sliding block indirectly is arranged at the outer side of each correcting strip. The correcting strips are arranged on the convex shoulders of the sliding block to timely correct the sliding block when the sliding block deviates, the rounding degree of steel pipes is guaranteed, the sliding block can be corrected by simple bolt regulation from the outer side and is corrected conveniently, and equipment is not damaged easily.

The invention is suitable for the technical field of surveying and mapping science, and relates to a foundation arc interference synthetic aperture radar atmospheric interference phase correction method comprising the following steps: constructing a foundation arc interference synthetic aperture radar differential interference phase model; eliminating phase noise; screening permanent scattering points; subspace division is carried out on the obtained interference phase in the azimuth direction, grid division is carried out on the subspace according to the size of a set window, phase weighted average processing is carried out on permanent scattering points in a grid according to a correlation coefficient and amplitude deviation, and the processed permanent scattering points serve as atmospheric interference phase sample points of a grid center point; screening the obtained atmospheric interference phase sample points to obtain available sample points; using the available sample points to estimate atmospheric interference phase error model parameters, and then obtaining the atmospheric interference phase error of the detection area; and the deformation phase is obtained. The method is simple and efficient, external auxiliary data does not need to be introduced, the atmospheric interference phase is corrected only by depending on the interference phase, and the method has high correction precision.

The invention relates to a worm gear deviation correcting device, and relates to a deviation adjusting device. The device comprises a machine frame, wherein a support roller assembly is mounted on themachine frame, a conveying belt is supported on the support roller assembly, a transmission rod is arranged on one side of the support roller assembly, a screw rod segment is arranged in the middle of the transmission rod, a screw rod nut is in threaded connection with the screw rod segment, a support swing rod is connected between the screw rod nut and the support roller assembly, one end of thesupport swing rod is rotatably connected with the screw rod nut, and the other end of the support swing rod is fixedly connected with the middle of a support roller support; a vertically-arranged vertical stop roller is rotatably arranged on each of the two sides of the conveying belt, and a gap is reserved between each vertical stop roller and the part, on the corresponding side, of the conveying belt; and the lower end of each vertical stop roller is connected with a transmission shaft, and the lower end of the transmission shaft is in transmission connection with the transmission rod. According to the device, the edge friction of the conveying belt is utilized to drive the vertical stop rollers to rotate to generate torque, and the torque is utilized to be converted through a screw rodfor driving the support roller support to deviate, so that deviation correcting of the conveying belt is achieved, the overall performance is stable, the motion is stable, and the deviation adjustingeffect is obvious.

The invention discloses a reference gene composition for rice stripe virus (RSV)-infected plant gene function analysis. Expression stability of fluorescent quantitative PCR candidate reference genes in the RSV-infected plant is analyzed by geNorm and NormFinder, a paired difference V value of a normalized factor is computed by geNorm program after introduction of a novel reference gene, and the most suitable reference gene composition is determined according to V value change so that the optimal reference gene composition of UBQ10 and GAPDH for RSV-infected plant gene function analysis is obtained. RSV-infected rice plant is used as an object, and compared with a single reference, the reference gene composition of UBQ10 and GAPDH can produce an accurate and reliable gene expression result. The reference gene composition can be used for research on an expression level and functions of RSV-infected rice related genes and a RSV invasion mode.

The invention discloses a tire material conveying device and a tire material detection method. The tire material conveying device is connected with a control system of a tire forming machine; the device comprises a conveying frame and a width detection mechanism; the conveying frame is used for conveying tire materials; the conveying frame is provided with a cutting position and a detection position; the tire materials stop at the cutting position and is cut off to form a tire component of a tire; the width detection mechanism is arranged at the detection position; and the width detection mechanism is used for detecting the width in the lengthwise area of the tire materials in the conveying process of the tire materials so as to obtain the width of the tire materials. According to the tirematerial detection method disclosed by the invention, the width of the tire materials can be obtained through the method.

The embodiment of the invention relates to an image correction and correction data generation method, a device, a system and an image display method. The image correction method comprises the following steps: acquiring data of a plurality of pixel points of a to-be-corrected image; and performing correction processing on each piece of pixel point data to obtain a corrected image, and specificallycomprises the steps of obtaining a maximum color component value in a plurality of color component values of the pixel point data, and obtaining saturations corresponding to the plurality of color component values, and searching correction data from a correction data set according to the maximum color component value and the saturation degree to obtain target correction data, and correcting the plurality of color component values by using the target correction data to obtain corrected pixel point data corresponding to the pixel point data. According to the embodiment of the invention, different correction data can be selected according to the color component values of the pixel point data, and proper correction data can be selected for correction, so as to achieve a better correction effect.