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Water quality detection method, device and computer terminal

A computer terminal and water quality detection technology, which is applied in calculation, general water supply saving, image data processing, etc., can solve the problems of high algorithm time complexity, increased error probability, complex algorithm, etc., and achieve high detection accuracy, convenient and fast use , low cost effect

Inactive Publication Date: 2019-02-22
SHENZHEN CHANGLONG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this method, RGB values ​​are converted into three-color coordinate values, and then converted into two-dimensional coordinate values. The probability of error is increased through two-level conversion, and the algorithm is complicated, and the algorithm time complexity is high, which is not conducive to rapid implementation.

Method used

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  • Water quality detection method, device and computer terminal
  • Water quality detection method, device and computer terminal
  • Water quality detection method, device and computer terminal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] figure 1 A schematic flowchart of a water quality detection method provided by the first embodiment of the present invention is shown.

[0051] The water quality detection method comprises the steps:

[0052] In step S110, the preprocessed image of the water sample to be detected is acquired.

[0053] Specifically, the pretreatment is to add a certain amount of chemical reagents to the water sample when detecting a certain water quality parameter, and produce colored chemical substances after a sufficient chemical reaction. The water sample contains different concentrations of water quality parameters. , the color of the chemical substances produced when chemically reacting with chemical reagents is different.

[0054] The water quality parameter may be total phosphorus, ammonia nitrogen, phosphate, copper and the like.

[0055]For example, if the water quality parameter is total phosphorus, when the concentration of total phosphorus contained in the water sample to ...

Embodiment 2

[0089] figure 2 A schematic flowchart of a water quality testing method provided by the second embodiment of the present invention is shown.

[0090] The water quality detection method comprises the steps:

[0091] In step S210, the original image of the water sample to be detected located in front of the white background is acquired.

[0092] Specifically, the preprocessed water sample to be detected can be placed in front of the white background, and when the imaging device collects the original image, the original image including the background and the water sample to be detected can be collected, further expanding the user's degree of freedom in collecting the original image.

[0093] In step S220, the image corresponding to the part of the water sample solution to be detected is extracted from the original image as the image of the water sample to be detected.

[0094] The original image is processed, and the image corresponding to the part of the water sample solution...

Embodiment 3

[0116] image 3 A schematic flowchart of a water quality detection method provided by the third embodiment of the present invention is shown.

[0117] The water quality detection method comprises the steps:

[0118] In step S310, the original image of the water sample to be detected located in front of the white background is acquired.

[0119] It is the same as step S210 and will not be repeated here.

[0120] In step S320, the image corresponding to the part of the water sample solution to be detected and the background image are extracted from the original image.

[0121] The original image is processed, and the image corresponding to the part of the water sample solution to be detected and the background image are extracted from the original image.

[0122] Specifically, processing the original image may include: filtering the original image, reducing noise, reducing the impact caused by sudden changes, and performing image segmentation on the filtered image to obtain t...

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Abstract

The invention discloses a water quality detection method, a device and a computer terminal. The method includes acquiring image of to-be-detected water sample subjected to pretreatment; extracting a sample RGB value of the image of the water sample to be detected; calculating an RGB coordinate distance between an RGB value of the sample and a standard RGB value of an image of a plurality of standard water samples by a preset operation. The water quality parameter concentration of the standard water sample with the smallest distance from the RGB coordinate of the water sample to be detected istaken as the water quality parameter concentration of the water sample to be detected. When detecting the concentration of water quality parameters, the invention can process the sample solution imageto be detected and automatically detect through a predetermined detection rule, which is suitable for detecting the concentration of various water quality parameters with high detection precision, low cost and convenient and quick use.

Description

technical field [0001] The invention relates to the technical field of water quality detection, in particular to a water quality detection method, device and computer terminal. Background technique [0002] In the process of monitoring water quality parameters, after adding chemicals to the water, whether the water quality parameters meet the standards is detected by special instruments. However, under normal circumstances, the water quality parameter detector is relatively expensive, the cost is high, and the operation is complicated, so the water quality parameter quick test agent is a fast and cheap detection method. The principle of the water quality parameter quick test agent currently on the market is: add a specific reagent to the water sample, then develop color, and compare it with a standard color comparison card. The standard color card is composed of several samples with different color depths. The color of the water sample after adding the agent is close to the...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06T7/90G06Q50/06
CPCG06Q50/06G06T7/0002G06T7/90G06T2207/30168Y02A20/152
Inventor 苏涛刘倩周小峰董林辉董红红蔡振山
Owner SHENZHEN CHANGLONG TECH CO LTD