97 results about "Thermal image processing" patented technology

Various techniques are disclosed for systems and methods using thermal imaging to intelligently monitor thoroughfares. For example, an intelligent monitoring system may include an infrared imaging module, a processor, a communication module, a memory, and an adjustable component. The system may be mounted, installed, or otherwise disposed at various locations along thoroughfares, and capture thermal images of a scene that includes at least a portion of the thoroughfares. Various thermal image processing and analysis operations may be performed on the thermal images to generate comprehensive monitoring information including an indication of detected objects in the scene and at least one attribute associated with the objects. Various actions may be taken, such as generating various alarms and intelligently adjusting operation of various adjustable devices on thoroughfares, based on the monitoring information. The monitoring information may be shared among multiple instances of the system, and may be communicated to external devices.

The invention discloses an infrared-heat-image processing method based on region segmentation and image fusion. The infrared-heat-image processing method includes the steps that video stream data of the heating stage is online collected in real time; then images are preprocessed to extract edge information, heat image sequences are subjected to equal region segmentation, and spatial correlation ofeach sub-region is analyzed; in other words, according to time sequences, correlation coefficients between adjacent frames of all sub regions are computed; the correlation coefficients are compared with threshold values, upper-left-corner coordinate values and corresponding frame numbers of sub regions without meeting the threshold-value condition are returned, a frame of image is fused through the upper-left-corner coordinate values and the corresponding frame numbers of the sub regions; defect information enhancement is achieved accordingly, defects are rapidly identified, and quantitativedetection of the defects is completed.

Various techniques are disclosed for systems and methods using thermal imaging to intelligently monitor thoroughfares. For example, an intelligent monitoring system may include an infrared imaging module, a processor, a communication module, a memory, and an adjustable component. The system may be mounted, installed, or otherwise disposed at various locations along thoroughfares, and capture thermal images of a scene that includes at least a portion of the thoroughfares. Various thermal image processing and analysis operations may be performed on the thermal images to generate comprehensive monitoring information including an indication of detected objects in the scene and at least one attribute associated with the objects. Various actions may be taken, such as generating various alarms and intelligently adjusting operation of various adjustable devices on thoroughfares, based on the monitoring information. The monitoring information may be shared among multiple instances of the system, and may be communicated to external devices.

The invention relates to a compression and reconstruction method for efficiently fixing viewing field pulse thermal wave image sequence and belongs to the field of equipment thermal wave imaging nondestructive detection techniques. Aiming to solve the colossal data processing quantity problem of the infrared thermal wave image sequence, the method comprises the following steps: a thermal wave pixel point data sequence heat conduction law and a sequence partition method are adopted to classify the data sequences so as to generate a corresponding representative sequence and a category table; according to a one-dimension thermal wave temperature attenuation model and a multinomial data fitting method, a fitting coefficient table of all category sequences is obtained; thermal image acquisition parameters, and the data of both the fitting coefficient table and the category table are adopted as the compression characteristic of the thermal wave image sequence, so as to form a thermal wave image compression document for storage; and the fitting coefficients are adopted to rebuild the thermal wave image sequence according to the category table. According to the invention, the category number can be flexibly set according to practical detection requirements; the ratio of compression can reach more than ten thousand times, and the calculation quantity is reduced by thousand times; and the requirement on computer hardware is remarkably reduced. The method is flexible in use, is particularly suitable for large-viewing field thermal image processing, and has an extensive application prospect.

A spatial correlation-based infrared thermal image processing method disclosed by the present invention comprises the steps of firstly acquiring the video stream data at a heating stage in the real-time and online manners, then extracting the edge information, analyzing the correlation of the adjacent two frames, calculating a correlation coefficient and drawing a correlation coefficient curve changing along with time. The method of the present invention reflects the difference of a thermal response state of a tested piece after the multi-defect coupling and during a heating process, and finally, according to a preset value, several appropriate thermal images are selected to fuse and then carry out the subsequent defect detection.

The invention discloses an infrared thermal image processing method based on abnormal area location. The method includes the steps that infrared thermal image video streaming of a tested part is collected from heating starting to cooling finishing, each frame of image is divided in an equal area mode, a Pearson correlation coefficient curve of each area is obtained through calculation according to the frame interval,gross errordetection is carried out on a Pearson correlation coefficient sequence before and after the heating finishing moment, and when it is judged that a gross error exists, the area is judged to be an abnormal area; authenticity of the abnormal area is judged to obtain an authenticity abnormal area; askewness value of an infrared thermal response sequence of each pixel point in the authenticity abnormal area is calculated, infrared thermal response of pixel points with the skewness values larger than the threshold value is enhanced, and infrared thermal response of the other pixel points is weakened, so that the infrared thermal image video streaming with the abnormal area enhanced is obtained. Analysis is carried out from the image area information extractionperspective, interference caused by nonuniform thermal emissivity on the surface of a material is inhibited, and defect characteristics are enhanced.

A method of image processing for heat accumulation of a thermal printer refreshes grayscale output of printing pixels that lie in correction regions with smear phenomena caused by heat accumulation of a thermal printer. The actual grayscale output of the printing pixels of the correction regions is lower than the original grayscale output and the scale of correction of the grayscale output is gradually decreased to zero along the direction of printing. The method substantially eliminates the smear phenomena caused by heat accumulation and allows a thermal printer to provide better output.

The invention discloses a potato defect detecting method. According to the potato defect detecting method, a thermal imaging technology is used for rapidly recognizing peeled potatoes which are damaged, rot and sprout, and the thermal image processing processes of a computer are as follows: carrying out median filtering or average filtering and noise reduction on thermal images, extracting the regions of the potato thermal images by adopting a threshold value segmentation method, calculating the average temperature values of pixels in the regions, then calculating the difference value between the temperature value of each pixel in the regions and the average temperature value, and calculating the areas S of real objects to which the pixels with the absolute values of the difference values being greater than 1 DEG C, if S is greater than 25mm<2>, the potatoes are defective. The potato defect detecting method disclosed by the invention has high efficiency and good recognition accuracy and can be popularized and applied to the field of potato defect detection.

The invention discloses a thermal image information display control device and a thermal image information display control method, and relates to the application fields of thermal image devices, thermal image processing devices, and infrared thermal imaging detection. According to a thermal image device in the prior art, a shooting person selects a shot object needs to be shot according to the subjective experience, so the shot object is easy to shoot mistakenly or omit. According to the invention, based on the stored shot object information, shot object selection information acquired by shot object information of a specified number is displayed while displaying an infrared thermal image, the shot object selection information acquired by the shot object information having specific information and the shot object selection information acquired by other shot object information are displayed in a distinguishing manner, or one of the shot object selection information acquired by the shot object information having specific information and the shot object selection information acquired by other shot object information is not displayed. When a user selects the shot object selection information, a corresponding reference image is displayed; so that the user can conveniently distinguish a shot object needs to be shot from shot objects does not need to be shot, and according to the reference of the reference image, the shooting quality is improved, and problems existing currently can be solved.

The invention relates to a confocal laser scanning microscope. An objective table of the confocal laser scanning microscope is additionally provided with a heating device; a temperature measuring device and an infrared detector are additionally arranged between an objective lens and a sample platform of the confocal laser scanning microscope; and heat image processing software is additionally arranged in a computer system of the confocal laser scanning microscope. The confocal laser scanning microscope relates to the following novel detection characterization techniques: (1) the microstructures of materials can be researched; (2) the distribution condition in a large range is directly observed by applying impurity or doped phase fluorescence excitation; (3) fluorescence is captured to dynamically track; (4) a system is focused for many times to obtain images with different depths; and three-dimensional imaging can be implemented for samples through computer processing; and (5) the heat and mass transfer processes of various materials can be synchronously dynamically researched when the temperature is changed, so that material phase changed thermodynamics and dynamics mechanisms can be built.

The invention discloses a medical infrared thermal image processing system. The medical infrared thermal image processing system comprises a human body three-jiao infrared thermal image acquisition unit used for acquiring six human body forward and backward direction infrared thermal images which are separated according to three jiaos, a pseudo-color generating unit used for setting color pixel points with different RGB values for different temperature areas in the six infrared thermal images according to body surface temperature of the human body and a preset rule, an infrared thermal image recognition unit used for simulating the directions of three yin channels and three yang channels of the human body, and an information extraction unit used for extracting the RGB values of the color pixel points in the yin channel and yang channel directions with the directions of the channels as the guide and storing the RGB values in a data storage unit. By using the medical infrared thermal image processing system, the RGB values at different channel positions can be conveniently and accurately checked, and learning is facilitated for medical workers.

The present invention relates to the technical field of food processing, especially to an apparatus for effectively detecting foreign matters in food. The food foreign matter detection apparatus specifically comprises a microwave generator, a microwave emission head, a microwave protection shield, an infrared thermal imager, and an infrared thermal image processing system. The food foreign matter detection apparatus has characteristics of simple and practical structure, missed detection resistance, and strong versatility.

A thermal image analysis monitoring device and monitoring system, and a thermal image analysis monitoring method, relating to the application field of thermal image devices, thermal image processing apparatuses for receiving and processing thermal image data, and thermal image shooting. Aiming at the shortcoming in the prior art that when data such as thermal image data frames is continuously transmitted to a background computer, a user needs to monitor thermal image data, etc. of a shot object for a long time, so that the user is apt to fatigue and then omits emergency situations, provided are a thermal image analysis monitoring device and monitoring system, and a thermal image analysis monitoring method, which analyze specified frames of acquired thermal image data frames, judge whether a sending condition is met or not according to a comparison result between the analysis data obtained thereby and a specified judgement value, which is taken as a judgement condition or one of a number of judgement conditions, and send specified notification information in a wireless mode when the sending condition of the specified notification information is met. Therefore, the workload of subjective monitoring of the user is reduced.

The invention discloses a thermal-image processing method capable of inhibiting effects of uneven thermal emissivity of a material surface. Infrared thermal response amplitudes before starting of heating are subtracted from infrared thermal response amplitudes of different pixels in an infrared thermal image when cooling is over, and then the difference between infrared thermal response amplitudes of different pixels at any moment of a period from beginning of the heating to the end of the heating and the infrared thermal response amplitudes before the heating is subtracted from the result so that a new thermal infrared image is generated. The thermal infrared image generated through the method is capable of inhibiting effects of uneven thermal emissivity existing at a material surface on the thermal infrared image and avoiding interferences on defect detection and improving accuracy rate of defect detection.

The invention relates to a human body infrared thermal image processing method and system. The processing method includes the steps of obtaining a minimum temperature Tmin and a maximum temperature Tmax of a human body based on a human body temperature profile; identifying a region with the temperature in a range from Tmin to Tmin+t1 as a first region and a region with the temperature in a range from Tmax-t2 to Tmax as a second region, where t1 is a first preset value, t2 is a second preset value, and Tmin+t1 is less than Tmax-t2; and taking the first region as a low temperature region to be filled with a low temperature color, and taking the second region as a high temperature region to be filled with a high temperature color, the low temperature color being different from the high temperature color. By implementing the invention, the low temperature region and the high temperature region of an infrared thermal image of the human body can be clearly displayed at the same time, withoutcumbersome operations of a user in the past, that is, to first shift the window of the infrared thermal image of the human body toward the low temperature region to obtain a first region image and then shift to the high temperature region to obtain a second region image, with the low temperature region and the high temperature region being unable to be displayed at the same time.

The invention relates to a tongue picture analysis method based on infrared medical images and visible light imaging; the method comprises the following steps: using an infrared lens to collect user tongue picture information so as to obtain infrared thermal images of a user tongue; using an infrared thermal pattern processing module to process the user tongue infrared thermal images, thus obtaining the temperature of each pixel point of the tongue; using a visible light camera to collect visible light images of the user tongue; comparing the user tongue visible light images with a tongue hologram, thus obtaining a user tongue hologram; comparing the user tongue hologram with the user tongue infrared thermal image, thus obtaining heat distribution conditions of corresponding areas of the user tongue; respectively comparing the temperature of each area of the user tongue with the temperature of each area of a tongue of a normal human body, thus obtaining the health status information of certain body part corresponding to the user tongue according to the comparison result and the user tongue hologram.

A thermal image monitoring device and monitoring system, and a thermal image monitoring method of the present invention, relating to the application field of thermal image devices, thermal image processing apparatuses for receiving and processing thermal image data, and thermal image shooting. In the prior art, when data such as thermal image data frames are continuously transmitted to a background computer, a user needs to monitor thermal image data, etc. of a shot object for a long time, so that the user is apt to fatigue and then omits emergency situations. Provided are a thermal image monitoring device and monitoring system, and a thermal image monitoring method. Configured specified notification information is sent according to a sending condition of specified notification information, thereby achieving the beneficial effects of continuous monitoring, difficult omission of emergency situations, reduction of labour intensity, reduction of system costs, and simple use.

Provided is an image fusing apparatus for fusing a thermal image and a visible image of a subject. The image fusing apparatus includes: a determination processor configured to determine importance of each pixel, based on a luminance value thereof, of the thermal image and the visible image; a pixel coefficient setting processor configured to set a pixel coefficient for each pixel of the thermal image based on the importance of each pixel of the thermal image and the visible image; a thermal image processor configured to generate another thermal image by applying the pixel coefficient to the luminance value of each pixel of the thermal image; and an image fusing processor configured to fuse the other thermal image and the visible image to generate a fused image.

The invention provides an online thermal loss measurement method based on infrared thermal image scanning, and belongs to the technical field of thermal loss measurement. According to the technical scheme, the online thermal loss measurement method based on infrared thermal image scanning comprises the following steps: infrared thermal image acquisition and infrared thermal image processing. The beneficial effects of the method are that the method achieves the infinitesimal segmentation of the surface of a photographed object through employing the infrared thermal imaging scanning technology,determines the temperature value of each area infinitesimal, reduces the operation difficulty, and improves the measurement precision. The target area is intercepted by utilizing software, and the real size represented by each area infinitesimal element is converted according to a similarity principle so as to determine the actual area of the to-be-measured object. Finally, the total heat loss ofthe object surface is obtained through infinitesimal accumulation summation. The software operation effectively improves the calculation efficiency and accuracy.

The invention discloses an infrared thermal image processing method and device. The method comprises the following steps: obtaining a basic layer image and a detail layer image according to an original image by utilizing a guide filtering algorithm; performing histogram projection compression on the basic layer image; performing halo artifact removal and gain mask enhancement on the detail layer image; fusing the processed basic layer image and the detail layer image; carrying out second-time guide filtering on the fused image; and finally, obtaining an output infrared image with de-noising and detail enhancement. The algorithm provided by the invention is good in real-time performance, can be transplanted into an FPGA (Field Programmable Gate Array) to be realized, can be used as infraredthermal image preprocessing of robot vision navigation, and has wide application value.

The invention provides a PCB-based short-circuit fault location system. The system includes a DC power source connected to a PCB under test and a thermal image processing device. The DC power source is used for performing DC power supply on a tested power supply circuit in the PCB under test. The thermal image processing device is used for monitoring the real-time thermal imaging of the PCB undertest after instant power-on, and locating a short-circuit fault through an over-temperature condition in the real-time thermal imaging. According to the invention, the short-circuit fault of the PCB can be quickly located.

The thermal image processing apparatus and recording apparatus, processing system, and thermal image processing method and recording method of the present invention relate to the applied field of infrared detection. The workload of thermal image processing in the prior art is heavy. The thermal image processing apparatus of the present invention comprises: a selection part, used for selecting infrared data; a parsing part, used for parsing filmed object information associated with the selected infrared data; a comparison part, used for matching the filmed object information with filmed object data information stored in a storage medium; a recording part, used for, on the basis of infrared data corresponding to the filmed object information matched with the filmed object data information, making associative records of the filmed object data information with data acquired from processing the infrared data and / or the specifications thereof. A large amount of thermal image files can be quickly processed, resolving the problem of the prior art.

The invention provides a thermal image shooting device and a thermal image shooting method, and relates to the application field of thermal image shooting devices, thermal image processing devices and thermal image shooting. According to a thermal image shooting device in the prior art, an object which needs shooting is selected according to the subjective experience of a user, therefore, the efficiency is low, and omission occurs easily. According to the thermal image shooting device and the thermal image shooting method, on the basis of the information of multiple objects which are stored in advance with an attached sorting order, special object information is specified, and object indication information obtained by the special object information is particularly displayed and serves as an information cue of an object which needs shooting currently; then, when indication switchover is conducted, the specified special object information is switched over according to the sorting order. Therefore, the shooting speed is increased, and omission does not occur easily.

The invention provides a thermal image analytical control device and a thermal image analytical control method, and relates to thermal image devices, thermal image processing devices and the application field of infrared imaging detection. A thermal image device in the prior art needs to rely on subjective experience of a user to set an analysis area and an analytical model for a photographed object during photographing, the operation is complicated and results of thermal image condition assessment is affected. According to the invention, a reference image reflecting predetermined morphological characteristics of the photographed object is displayed in an infrared thermal image; the reference image is taken as visual reference for photographing a thermal image of the photographed object; and the thermal image of the photographed object is then analyzed through an analysis area corresponding to the reference image and according to an analytical model corresponding to the analysis area to obtain analysis results, wherein the analysis area can be obtained via calculation or processing through the reference image or the like, with accurate position and simple operation. Therefore, an ordinary user can also achieve a good photographing skill level.

A thermal image processing system and method includes capturing a visual image and a thermal image of a subject under test; fusing the visual image with the thermal image to result in a fused image, followed by determining an area of the subject under test in the fused image and accordingly obtaining subject temperature of the subject under test.

Provided is an image fusing apparatus for fusing a thermal image and a visible image of a subject. The image fusing apparatus includes: a determination processor configured to determine importance of each pixel, based on a luminance value thereof, of the thermal image and the visible image; a pixel coefficient setting processor configured to set a pixel coefficient for each pixel of the thermal image based on the importance of each pixel of the thermal image and the visible image; a thermal image processor configured to generate another thermal image by applying the pixel coefficient to the luminance value of each pixel of the thermal image; and an image fusing processor configured to fuse the other thermal image and the visible image to generate a fused image.

Optical reflection and refraction are expressed of an object extending through a water surface by rather light load processing without using any cut models prepared in advance. A photographing angle of a virtual camera for displaying the object OB is set. Virtual cameras A, B and C are generated for photographing reflected and refracted object. The image processing is executed by projecting texture value of transparent degree for each of media different from texture for other media. Parameters are defined concerning the virtual cameras A, B and C, in order to achieve a desired visual expression of an object extending through various media.

The invention provides an infrared matching updating device and an infrared matching updating method and relates to the application field of a thermal image device, a thermal image processing device and infrared thermal imaging detection. According to a thermal image device in the prior art, during shooting, a thermal image of an object under shooting is shot based on the subjective experience of a user, so that the workload is heavy and the quality of the thermal image is hard to guarantee. According to the infrared matching updating device and the infrared matching updating method provided in the invention, a reference image and the infrared thermal images are displayed jointly; when a detection indication is responded, prescribed information of thermal images of a specific object under shooting in a plurality of frames of thermal image data frames in a storage medium can be detected; or with the factor of auxiliary information taken into consideration, and in the comparison of prescribed comparison values, the prescribed comparison values are updated based on prescribed conditions, so that the optimal thermal image data frame can be obtained by comparison of the thermal image data frames obtained continuously; further processing or operation, such as selection, notification, analysis and storage and the like can be carried out favorably; and the shooting operation is simple and the quality of the thermal image is good.