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Visibility graphical display method and apparatus

A graphical display and visibility technology, applied in the direction of instruments, etc., can solve the problems of unfavorable display and perceptual knowledge of visibility

Active Publication Date: 2013-04-03
CAMA LUOYANG ENVIRONMENTAL MEASUREMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a graphical display method for visibility, which is used to solve the problem that the existing digital and curve displays are not conducive to normal people's perceptual understanding of visibility.

Method used

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  • Visibility graphical display method and apparatus
  • Visibility graphical display method and apparatus
  • Visibility graphical display method and apparatus

Examples

Experimental program
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Embodiment 1

[0019] 1) According to the principle of vision, divide the visibility range into at least three visibility intervals; use a pair of pictures of different resolutions of the scene to correspond to each of the visibility intervals, the farther the average visibility of the visibility interval is, the corresponding set clarity The larger; store the visibility range and pictures into the visibility display device;

[0020] 2) Measure the visibility value with the visibility measuring device;

[0021] 3) Compare the measured visibility value with the set visibility threshold, and judge the visibility interval that the measured visibility value falls into; the visibility interval is formed by dividing the set threshold;

[0022] 4) According to the visibility interval that the visibility value falls into, a scene picture is used to replace the visibility value for display; the scene picture has a set definition corresponding to the visibility interval; the farther the average visibi...

Embodiment 2

[0027] The interval division of this embodiment is the same as that of Embodiment 1, except that each interval corresponds to a fixed-definition picture. So only 4 pictures are needed, such as Figure 2a —— Figure 2d . 0m-2000m, shown in picture 2a; 2001m-5000m, shown in picture 2b; 5001m-10000m, shown in picture 2c; above 10001m, shown in picture 2d.

[0028] For the device implementing the method of this embodiment, the above four pictures can be prepared, and then the pictures can be switched for display.

[0029] In the above two embodiments, the visibility value is marked at the bottom of the picture. In actual display, whether to mark it can be considered as needed.

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Abstract

The invention relates to a visibility graphical display method and an apparatus, wherein the method comprises the following steps of: setting a visibility interval; measuring a visibility value by a visibility measuring device; comparing the measured visibility value with a set visibility interval threshold, and judging the visibility interval of the measured visibility value; and depending on the visibility interval of the visibility value, displaying the visibility value in the form of a scenery picture, wherein the scenery picture has a set definition corresponding to the visibility interval, and the definition of the scenery picture is greater as long as an average visibility in the visibility interval is farther. The method disclosed by the invention can improve the perceptual knowledge of normal people on the visibility, and can inform the people to pay attention, in order to reduce the accident.

Description

technical field [0001] The invention relates to a visibility display method and device. Background technique [0002] Visibility is an index reflecting the clarity of the atmosphere, which is the maximum horizontal distance at which a medium-intensity luminous body can be seen and identified. When there are weather processes such as rainfall, fog, haze, sandstorms, etc., the clarity of the atmosphere is low, so visibility is poor. Measuring atmospheric visibility can generally be done visually, or with measuring instruments such as atmospheric projectors and laser visibility automatic measuring instruments. Visibility is measured by instruments to obtain numerical values, that is to say, the display method of visibility is usually numerical values. For example, the current visibility value is 12005 meters or 1100 meters or 50 meters, and the visibility value is very accurate. However, even if the visibility varies greatly from 1100 meters to 50 meters, normal people's und...

Claims

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Application Information

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IPC IPC(8): G01W1/00
Inventor 周跃峰张程刘树哲许家慈
Owner CAMA LUOYANG ENVIRONMENTAL MEASUREMENT
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