Image target size measuring system and using method thereof

A technology for measuring system and target size, which is applied in the fields of measuring device, image enhancement, image analysis, etc.

Pending Publication Date: 2020-05-12
DALIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method does not specify the object distance acquisition method of the target to be measured

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  • Image target size measuring system and using method thereof
  • Image target size measuring system and using method thereof
  • Image target size measuring system and using method thereof

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[0065] The present invention will be further described now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, and only illustrate the basic working principle of the system and method in a schematic manner. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. In order to better illustrate this embodiment, some components in the drawings are omitted, enlarged or reduced, and do not represent the size of the actual product.

[0066] figure 1 is a simplified structural diagram of the target size measurement system, such as figure 1 As shown, it includes a pan-tilt camera 1, a distance measuring module 2, a fixing bracket 3, a fixing bolt 4, a supporting base plate 5, a ruler handle 6, a reference scale 7, a reflective belt knot 8 and a measuring module.

[0067] The ranging module 2 is assembled on the pan-tilt camera 1 through waterproof fixing glue, and the optical ax...

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Abstract

The invention discloses an image target size measuring system and a using method thereof and belongs to the technical field of target size measurement. The measuring system comprises a pan-tilt camera, a distance measuring module, a fixing support, a supporting bottom plate, a ruler clamping handle, a reference ruler, a reflective tape knot and a measuring module. The calculation of the pixel sizecoefficient and the actual size of a to-be-measured target is realized based on the measuring system, and the pixel size coefficient is calculated based on the reference ruler. A ranging module is provided to obtain a target object distance. Meanwhile, on the basis of providing the image information of the target, a provided image analysis module analyzes the image information into a static picture, a provided target detection module detects the target, the actual length, width and area of the to-be-measured target are obtained after processing and calculation, and then the actual length, width and area of the to-be-measured target are displayed through the provided display module. According to the invention, the technical problem of low measurement accuracy caused by the manual measurement of the target size is solved, so that the measurement of the target size is more intelligent, more accurate and more efficient.

Description

technical field [0001] The invention belongs to the field of object size measurement, and in particular relates to an image object size measurement system and a using method thereof. Background technique [0002] In the existing field of target size measurement, target size measurement methods usually rely heavily on knowledge and algorithms such as complex projections and geometric projective transformations, and are limited by the selection of reference objects in images. Especially for complex application scenarios, it is difficult to measure the size of the target to be measured from the image, and the accuracy is low. In addition, on the basis of overcoming the above-mentioned technical difficulties, some other technical problems still need to be solved. [0003] (1) Size correction [0004] For example, Dai Guojin's "Method, Device and Mobile Terminal for Measuring Object Size by Image" (public number: CN109520419A) discloses a method for measuring object size by ima...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00G01B11/02G01B11/24G01C11/04G06T7/60G06T7/62
CPCG01B11/00G01B11/02G01B11/24G01C11/04G06T7/60G06T7/62G06T2207/10004
Inventor 许士国徐显阳邹智林
Owner DALIAN UNIV OF TECH
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