TW200535722A - Automated optical visibility observation system - Google Patents

Abstract

The present invention relates to an automated optical visibility observation system, which includes: an optical system, a central processing system and an image feature recognition system. The optical system is provided to obtain an image of a specifically focused and oriented target. The central processing system is provided to control the operation of the optical system and receive the targeted image of the optical system. The image feature recognition system is provided to perform image feature recognition on the targeted image so as to analyze the visibility. The automated optical visibility observation system of the present invention is able to improve the observation manner of atmosphere visibility by upgrading from naked eyes to the optical system, so as to capture image in a digital image observation manner. Furthermore, the central processing system is incorporated to perform picture-taking control in specific focus and orientation and data classification and storage. In addition, a remote control and management system can be employed to perform control and management via the Internet, so as to take a picture in a instant manner or every predetermined time. Finally, the image feature recognition system is provided to analyze the features of digital image, so as to automatically determine the atmosphere visibility, thereby effectively increasing the correctness of visibility observation and saving labor power.

Description

200535722 发明 Description of the invention: [Technical field to which the invention belongs] The present invention relates to an optical observation system, and in particular, it relates to a visibility optical observation system. [Previous technology] An automatic observation device for direct observation of visibility at the domestic and foreign ranks. Atmospheric visibility observation methods are still based on manual visual inspection, which judges atmospheric visibility based on pre-calibrated distance observation targets (such as buildings, towers, mountains, etc.). However, artificial visual inspection often results in errors in visibility observation due to the observer's own preferences or visual perception. Therefore, its normativeness and objectivity are poor. In addition, the measuring method of the instrument (for example: long-range photometer, integrating astigmatism) is to measure the extinction, astigmatism or absorption coefficient, and then estimate the visibility according to the theoretical formula. Although there is a certain degree of correlation between extinction, astigmatism, and light absorption coefficients and atmospheric visibility, errors are still caused by the physical and chemical characteristics of suspended particles and other environmental factors such as the degree of humidity; and it is difficult to implement normal observation in rain and fog weather, There are also problems such as multiple scattering. Therefore, the use of this measurement method is still limited to a few research departments and is difficult to promote. Other instrument measurement methods (such as optical transmission instrument and laser measurement instrument) transmit light beams. The atmospheric column between two fixed points directly measures the transmittance of the atmospheric column to evaluate the value of the atmospheric visibility. This measurement method requires the beam to pass through a sufficiently long atmospheric column. The reliability of the measurement is affected by the light source and other properties , Which is only applicable to observations of moderate and below visibility, and low visibility weather will be affected by complex climatic conditions such as water vapor absorption.

〇: \ 91 \ 91671.D〇C 200535722 ^ Large errors in the finished car ’are therefore very limited. Therefore, it is really necessary to provide a visibility optical observation system to solve the above problems. [Summary of the Invention] The purpose of the present invention is to provide an optical control of the visibility control of the automatic control:,: No two include:-optical system, system,-central processing system and an image feature; sequence system, 4. The optical system is used to obtain the image of the azimuth target. = The central processing system is used to control the operation of the optical system, and receive the light μ, the dead image. The image feature recognition system is used to perform digital image feature recognition analysis on the target image to determine visibility. Using the visibility optical observation system of the present invention is to improve the observation method with a large visibility, from the visual observation method to the use of the optical system, the digital image observation method to obtain the image, and then combined with the central processing system to determine the Focus-oriented automatic shooting control and data classification and storage. At the same time, a remote control management system can be used to control and manage the real-time or regular photos through the Internet. Finally, the image feature recognition system is used to identify the characteristics of atmospheric visibility, and to automatically judge the visibility of the atmosphere. It is not affected by the personal error of the visual observer, which can effectively improve the accuracy of visibility observation and the manpower in Lang. [Embodiment] Please refer to FIG. 1, which shows a schematic diagram of a visibility optical observation system 10 controlled automatically by the present invention. The visibility optical observation system 10 of the present invention mainly includes: an optical system 11, a central processing system 12, and an image feature recognition system 13. The optical system 11 is used to obtain a target image. The Optical Department

O: \ 91 \ 91671.DOC 200535722 The system 11 can be a digital camera 'and the optical system 11 has functions such as fixed focus, remote control, and video transmission. It is used to transmit the target image to the central processing system 12. The central processing system 12 is used to control the operation of the optical system U at a fixed focus orientation, and receives a target image from the optical system u. The central processing system includes a computer main body 121, a display 122, a storage device ⑵, a wind power system 124 and a uninterruptible power system 125. The storage device 23 is used to store the received target image from the optical system U. The on-site monitoring system, 'Charge 124' has a graphical control interface for monitoring the operation status of the central processing system, including a photo viewing area, a system operating status area, and a system area. The on-site monitoring system 124 can control the optical system η to automatically take pictures or store data; it can also automatically classify and store photos for the beginning and end of prostitutes in different months. The central processing system 12 performs preliminary processing on the target image (for example, storage of a knife item, etc.), and then transmits the target image to the image feature recognition system 13. The image feature recognition tweets that an image feature recognition analysis is performed on the target image to determine visibility. The image feature recognition system = eight contrast increaser 131, a signal converter 132, a noise filter, a texture separator 134, and a feature recognizer 135 for image feature recognition analysis of the target image To judge visibility. 3 Ming uses-digital camera to set the direction of money and automatically control to take photos to take the image of Cai Hehe. The digital image at the image feature recognition system 13 = 卩 can get a normalized photo, and then use the visibility light intensity Digital binary standardization operation procedure to establish the digital characteristics of target visibility and light intensity

O: \ 91 \ 91671.DOC 200535722 curve, which can be used as an important basis for automatic observation and judgment of visibility. In addition, the present invention also uses the digital characteristic value of light intensity to describe the situation of atmospheric visibility. Since the visibility observation is performed during the day, the digital characteristic value of the light intensity of the sky background should exceed the digital characteristic value of the target light intensity. The difference between the digital characteristic values of the light intensity between the month and the month can be used to judge the visibility. According to the above theory, the present invention uses the visualized light intensity digital binary normalization operation of the image obtained by automatic photographing for a period of time and the digital characteristic value of the light intensity obtained from the artificial observation target (such as a building or a building).数 Digital characteristic curve of visibility light intensity. For this building, the digital characteristic curve of visibility light intensity * Y = aLn (x) + b (Y: observed value of visibility; X ·· digital characteristic value of light intensity; a, b: regression coefficient value), Verify the comparison between the estimated value and the visibility observation, and the correlation coefficient r is 0.80 (refer to Figure 5). Referring again to FIG. 1, the visibility optical observation system 10 of the present invention further includes a remote control management system 14, which uses the Internet transmission to control the central processing system 12 and the Rong image feature recognition system 3. It is connected through Internet transmission, ‘spring control’ and ‘shell material classification storage. For example, a fixed broadband network (with downloading ADSL over 512K) can be used to transmit the photographed picture file to the remote control management system 14. Please refer to FIG. 2, the visibility optical observation system 10 of the present invention further includes a protection box 16 ′ for protecting the optical system 11 and controlling the automatic lifting of the optical system 11. The protection box 16 includes a top cover 161, a rainfall sensor 162, a cooling fan 163, an observation platform 64, and an automatic lifting control device.

O: \ 91 \ 91671.DOC 200535722 165, a cabinet 166, a power supply system 167, and a link set 168. The observation platform 164 houses the optical system u. The material rain sensor 62 can sense weather conditions, and control the automatic lifting control device 165 to drive the link set 168 to automatically lift and lower the top cover 161 according to the weather conditions, to perform fixed-direction observation shooting or to protect the optical system 丨 i . Referring to FIG. 3a, when no observation shooting is performed or the weather is not good, the automatic lifting control device 165 controls to prevent the top cover 161 from being raised to protect the optical system on the observation platform 164. Reference _, under the control of the remote control management system 14 or the central processing system 12, automatic observation and shooting are required to obtain the image of (in the image, the automatic lifting control device) drives the link group 168 to lift Lifting the top cover 16 exposes the optical system U on the observation platform 64 to the outside of the box 166 ', and automatically shoots and obtains the target image in the forward direction. Because of the visibility optical observation system 1 of the present invention, It is usually installed in a high-rise building: a building or a high place. Therefore, the box 166 of the protection box 16 is made of stainless steel ^ and reinforced with high-strength windproof steel cables, and has a heat insulation and heat dissipation design. 1. The visibility optical observation system of the present invention is to improve the visibility measurement method of the atmosphere. From the visual observation method, the optical observation method is used to obtain the image in the "digital f image" mode, and then combined with the central processing system to perform fixed focus orientation. Automatic shooting control and data classification storage. At the same time, it can also be controlled by a remote control management system from the Internet. Atmospheric can: Another pounds to automatically determine the atmospheric visibility, without observers

O: \ 91 \ 91671.DOC -10 · 200535722 The effect of personal error can effectively improve the accuracy of visibility observation and save manpower. Therefore, as a whole, the present invention has the following advantages: 1. It is possible to understand the current state of atmospheric visibility in a specific area. 2. Automatic atmospheric visibility shooting and data classification remainder. 3 · This image feature recognition system can be used to judge visibility. 4. The remote control and management system can be used to take pictures in real time or on the Internet. 5 · Protection against wind, dust, rain, heat and sun. 6. With automatic lifting function, it can control the lifting of the top cover according to the weather conditions to protect the equipment and machinery such as the optical system. 7. The parameter setting of the operating system of the central processing system is entered through a window, which is easy to operate, and can be set online and query other parameters (such as temperature, relative humidity, and voltage conditions). 8. Not affected by the personal error of the observer, it can effectively improve the accuracy of visibility observation and save manpower. However, the above embodiments are only for explaining the principle of the present invention and its effects, but not for limiting the present invention. Therefore, those skilled in the art can modify and change the above embodiments without departing from the spirit of the present invention. The scope of the rights of the present invention should be listed in the patent application scope mentioned later. [Simplified description of the figure] Fig. 1 is a schematic diagram of the visibility optical observation system of the present invention, Fig. 2 is a schematic diagram of a protection box of the visibility optical observation system of the present invention; Figs.

O: \ 91 \ 91671.DOC -11- 200535722 Intention; Figure 4 is a schematic diagram of the optical image feature identification analysis result of the present invention; and Figure 5 is a schematic diagram of the analysis result of the visibility observation value and the estimated value of the present invention. [Illustration of Symbols of Schematic Elements] 10 Visibility Optical Observation System 11 Optical System 12 Central Processing System 13 Image Feature Recognition System 14 Remote Control Management System 16 Protective Box 121 Computer Host 122 Display 123 Storage Device 124 Field Monitoring System 125 No Power-off system 131 Increase contrast unit 132 Signal converter 133 Noise filter 134 Texture separator 135 Image feature recognizer 161 Top cover 162 Rain sensor 163 Cooling fan O: \ 91 \ 91671.DOC -12- 200535722 164 Observation platform 165 Automatic lifting control device 166 Box 167 Power supply system 168 Link set

O: \ 91 \ 91671.DOC -13-

Claims (1)

200535722 Scope of patent application: 1. An auto-controlled visibility optical observation system, including: an optical system to obtain the target image; a central processing system to control the lack of optical system And receive an image of the target object of the optical system; and a scene > image feature recognition system to identify the target image and identify image features to determine visibility. 2. If the visibility optical observation system of item 1 of the patent application scope includes a remote control management system, the central transmission system and the image feature identification system are controlled by Internet transmission. 3. The visibility optical observation system of item 丨 in the scope of patent application includes a protective box to protect the optical system and control the movement of the optical system. No ... Since 4. · If the visibility optical observation system of item 丨 of the patent application scope, the optical system is a digital camera. 5. If the visibility optical observation system of item (1) of the patent application scope, the central processing system 'includes-computer host,-display,-uninterruptible power system, an on-site monitoring system and a storage device. ^ ^, 6. The visibility optical observation system in item 5 of the patent is requested, wherein the field monitoring system has a graphical control interface, and the operating state is Λ. To monitor the operation of the system 7. If the visibility optical observation system of item i of the patent application scope, the image feature identification system has a signal converter, a person & noise filter and a shirt image feature identifier, Used to analyze the target image & hinder image feature identification O: \ 91 \ 91671.DOC, -1-200535722 to determine the visibility. 8. The visibility optical observation system according to item 7 of the patent application scope, wherein the image feature recognition system further includes an enlarged contrast device and a texture separator. O: \ 91 \ 91671.DOC -2-