41 results about "Infrared imagery" patented technology

The invention relates to a leakage detection and location method and a system thereof based on infrared imaging technology, belonging to the detection technology field. The leakage detection and location system comprises a control device, an infrared imagery device, a cooling device, a sensing unit, an air charging system and a display device. Gas with certain pressure is cooled by the cooling device to be used as test medium, each value is driven by the control device to implement aeration completion timing control on a measured object, and the system state is detected by the sensing unit, a infrared picture of the measured object is collected by the infrared imagery device and then transmitted to the control device to undergoing a series of image processing operations for analysis, leakage amount calculation and leakage point location, the test results is showed on the display device. The invention has high detection precision, high-efficiency for leak point locating, strong anti-interference ability and can take non-contact automatic measurement.

What is disclosed is a novel system and method for determining the number of objects in an IR image obtained using an IR imaging system. In one embodiment, a total of N intensity values are collected for each pixel in an IR image using a IR imaging system comprising an IR detection device and an IR Illuminator. Intensity values are retrieved from a database which have been estimated for a plurality of known materials, such as skin and hair. A classification is determined for each pixel in the IR image using either a best fitting method of a reflectance, or a correlation method. Upon classification, a total number of objects in the IR image can be determined. The present system and method finds its intended uses in of real world applications such as, determining the number of occupants in a vehicle traveling in a HOV/HOT lane.

The invention relates to an infrared light image and visible light image fusion method based on interactive non-local average filtering. The method mainly aims to solve the problems that a fused image obtained through an existing infrared light image and visible light image fusion method is low in definition, contrast and spatial resolution. The method comprises the implementation steps of (1) carrying out interactive non-local average filtering on an input infrared light image and an input visible light image to obtain base layer images; (2) subtracting the corresponding base layer image from the infrared light image to obtain a detail image of the infrared light image, and subtracting the corresponding base layer image from the visible light image to obtain a detail image of the visible light image; (3) calculating the neighboring window statistical characteristics of the detail images to obtain a fusion weight plot of the infrared light image and a fusion weight plot of the visible light image; (4) enabling the fusion weight plot of the infrared light image and the fusion weight plot of the visible light image to act on the infrared light image and the visible light image respectively, and carrying out weight fusion on the infrared light image and the visible light image which have undergone action of the corresponding fusion weight plots to obtain a fused image. By means of the infrared light image and visible light image fusion method based on interactive non-local average filtering, the fused image high in definition, contrast and spatial resolution can be obtained, and the fusion effect is good. The infrared light image and visible light image fusion method based on interactive non-local average filtering can be used in the fields of human vision, machine cognition and the like.

The invention discloses a method for processing coal gas flow center dynamic tracking and monitoring coal gas utilization rate. The method comprises the steps of 1 data collecting and processing; 2 infrared imagery processing; 3 temperature field calibration; 4 coal gas flow center dynamic tracking; 5 coal gas utilization rate monitoring. The method has the advantages that implementation is easy, temperature field calibration is achieved through the treatment on the collected infrared imagery combining crossed thermometry data and blast furnace design data, dynamic tracking on charge-level coal gas flow center fall point distribution is achieved, the coal gas flow center distribution characteristics and the corresponding coal gas utilization rates are classified, the relation between the coal gas center change and the blast furnace coal gas utilization rate is confirmed, real-time monitoring on the coal gas utilization rate is realized, the dynamic changing condition of the coal gas flow center and the relation between the dynamic changing condition of the coal gas flow center and the corresponding coal gas utilization rate can be recognized timely and accurately, on-line monitoring and visual control on the burden distribution operation of the blast furnace are achieved, and the advantages of being high in accuracy rate and strong in real-time performance are achieved.

Provided is a film box-office film watching audience number statistical system. The film box-office film watching audience number statistical system comprises an advertisement monitoring exposure system based on a picture and voice frequency comparison technology, and a box-office statistical system based on infrared imagery and picture analysis, wherein according to the advertisement monitoring exposure system based on the picture and voice frequency comparison technology, a camera carries out recording on pictures and voice frequency of theater chain advertisements, then a data processing module carries out collection and encoding on the pictures and the voice frequency of the theater chain advertisements, and passes back processed data to a data center through a 3rd generation telecommunication (3G) data channel, and the data center stores the data which are collected and are encoded by each data processing module, carries out picture and video frequency comparison with standard advertisement source information, and carries out storage and database login on comparison results. According to the box-office statistical system based on the infrared imagery and the picture analysis, a noctovisor is used for shooting a panoramic picture of all the audience, and transmitting the picture to a back-end data processing center. Due to the fact that human body temperatures are used for judging the number of the audience, the film box-office film watching audience number statistical system can completely carry out box-office statistics, and solves the difference between a film maker and a theater chain in box-office data.

A method for providing an observer with an intuitive awareness of a tactical environment is disclosed. In an illustrative embodiment, the method displays a 360° panoramic view of the environment surrounding a warship, wherein the view is augmented by radar data, infrared imagery, visible imagery, and tactical information about targets within the field-of-view.

The invention discloses a large-visual-field binocular vision infrared imagery checking method. The method comprises the following steps: collecting data of student images by utilizing the binocular infrared cameras at two ends of a wall on which a blackboard is located in a classroom; splicing left and right two images; compounding into a large-frame large viewing angle image in the classroom; automatically positioning human face area part in the image; confirming the identity of the students by performing the processes of feature extraction and recognition comparison, thereby lastly realizing the check on the attendance of the students. The traditional checking method based on visible light image is easily influenced by the factors of illumination variation and complex background so that the recognition rate is low. The method provided by the invention can effectively solve the problem; according to the method, the conditions of being late, early leaving and absenteeism of the students can be accurately recorded and counted; the working efficiency of classroom checking is increased; the time resource of the teachers is saved; the burden of the teachers is relieved; the teaching quality of the school is increased; the school spirit and study style construction of the school is promoted.

The invention is a device for detecting images formed by thermal infrared radiation. It uses a two dimensional array of thermally sensitive elements formed of material whose capacitance changes with temperature. Changes in capacitance of the detector elements are measured and used to form an electronic representation of the thermal infared image. The detector array can be fabricated using inexpensive materials and processes.

The component has an enclosure (5) whose one of the sides (3) has a window (4) transparent to electromagnetic radiation. A detector (6) is positioned inside the enclosure, opposite to the window. A getter (13) maintains the vacuum at an acceptable level within the enclosure. The getter is positioned within a secondary enclosure (20), arranged outside the enclosure (5) and freely communicating with the enclosure (5). Independent claims are also included for the following: (A) an optical set for infrared imagery; (B) a process for forming a seal for a packaging case of the electromagnetic radiation detecting component.

The invention discloses a chopper based infrared imagery heterogeneity correction method. According to the chopper based infrared imagery heterogeneity correction method, innovation is made on the basis of distortion lens real-time correction, and a chopper with different shielding effects is designed and applied to replace correction technology of an original distortion lens; meanwhile, a solution method of chopping correction technology is provided to solve the problem of the synchrony relationship between an infrared imagery integrated signal and chopping stepping and rotation periods; since an infrared detector is small in size and a photoelectric angle measurement alignment code disc cannot be installed, automatic identification of high-temperature images, background images, low-temperature images, and half-shielding needs achieving, so that chopping based imagery heterogeneity correction is achieved.

The invention relates to a chip for generating multiband dynamic scenes and belongs to the fields of dynamic infrared imagery generation and visible light/infrared scene compounding. The chip for generating the multiband dynamic scenes comprises a substrate and an infrared imaging pixel array. One side of the substrate is provided with a plurality of high visible light absorption materials which are arranged in an array mode. The infrared imaging pixel array is made of the high visible light absorption materials. The chip integrates generation of a visible light wave band scene, a near-infrared band scene, a middle-infrared band scene and a far-infrared band scene, so that a complicated structure formed by compounding multiple convertors is avoided.

Infrared imagery device with integrated shield against parasite infrared radiation, and method of manufacturing the device.

This device comprises a support (62) provided with an infrared radiation detector (40), at least one optical device (28) facing the detector, and a shield against parasite radiation. The shield comprises at least two continuous beads (c1, c2), spaced from each other, extending from the support as far as the optical device, provided with vents and made of a material that significantly attenuates parasite radiation, penetrating laterally between the support and the optical device. The two beads with their vents form a baffle. The device is manufactured using the flip chip technique.

The invention discloses a method for testing a photovoltaic module through infrared imagery analysis. The method comprises the following steps: step 1, detecting the appearance of the photovoltaic module, and then testing the power output of the photovoltaic module under the standard testing condition, and testing the open-circuit voltage Uoc and short-circuit current Isc of the photovoltaic module under the standard testing condition; step 2, charging the photovoltaic module with current and voltage by a supply unit, wherein U larger than (1+3%)Uoc, and I is smaller than Isc, and after the component is thermally balanced, shooting the infrared image of the photovoltaic module by a thermal infrared imager; step 3, selecting the temperature testing range according to the infrared image, and calculating the temperature difference between the highest temperature and the average temperature of the photovoltaic module. After the photovoltaic module is powered on to achieve the thermal balance, the infrared image is shot by the thermal infrared imager, and the temperature difference between the highest temperature and the average temperature of the photovoltaic module is calculated, so as to evaluate the capability of withstanding high temperature of the photovoltaic module, and have guiding significance in reduction and prevention of a hot-spot phenomenon.

The present invention is a method for detecting defectives of integrated circuit ( IC ) consisting of a plurality of parallel transistors on a wafer. The method comprises the following steps: applying a bias to the transistors; and extracting the infrared imagery of the transistors. 200 placing IC on automatic detecting table 201 applying a bias to IC 202 extracting infrared imagery of IC 203 discriminating infrared imagery and rejecting defectives.