Image acquisition method and device
An image acquisition device and image acquisition technology, applied in the field of data processing, can solve problems such as inconvenient use for users and unstable images, and achieve the effect of convenient use
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Embodiment 1
[0041] Such as figure 1 As shown, the present embodiment provides an image acquisition method, including:
[0042] Step 101, receiving the gas exhaled by the user through a preset condenser, and condensing the water vapor in the gas.
[0043] In this embodiment, when the user needs to collect images, he can align his nostrils with the condenser and exhale, so that the condenser can condense the water vapor in the gas. In order for the condenser to better preserve the temperature, the condenser in step 101 is an object with a smooth surface and a specific heat capacity greater than a preset value. For the convenience of users to observe, the surface of the condenser can also be pre-engraved with scales. Wherein, the smooth surface may be that the surface roughness Ra is less than 12.5 μm; the preset value of the specific heat capacity may be 380J / (kg·°C), which will not be repeated here.
[0044] In this embodiment, the condenser in step 101 can be any object with a smooth s...
Embodiment 2
[0055] Such as figure 2 As shown, this embodiment provides an image acquisition method, which is the same as figure 1 Similar as shown, except that it also includes:
[0056] Step 105, process the image to obtain the edge of the image.
[0057] In this embodiment, in order to intuitively observe the condensation range of the gas exhaled by the user, the image may be processed by an edge detection algorithm to determine the edge of the image.
[0058] The present invention has the following beneficial effects: after the gas exhaled by the user is condensed through the condenser, the corresponding powder is uniformly sprayed on the condenser after condensing water vapor, and the powder floating on the surface of the condenser is removed, so that the gas exhaled by the user is condensed The condensed liquid water colorizes and captures the image, resulting in a stable image. The technical solution provided by the embodiment of the present invention solves the problem in the p...
Embodiment 3
[0060] Such as image 3 As shown, the embodiment of the present invention provides an image acquisition device, including: a housing 301 , a condenser 302 , a powder injector 303 , a powder cleaner 304 , a controller 305 and an image acquisition device 306 . Wherein, the casing is divided into upper and lower parts, and a condenser accommodating part is provided in the lower part of the casing, the front side of the condenser accommodating part is open, and the upper side communicates with the upper part of the casing ; The powder sprayer, the powder cleaner, the controller and the image collector are arranged in the upper part of the housing; the powder sprayer, the powder cleaner and the image collector are respectively connected with the controller; the condenser, It is used to receive the gas exhaled by the user and condense the water vapor in the gas. The condenser is an object with a smooth surface and a specific heat capacity greater than a preset value; the controller ...
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