Otopin

Abstract

The utility model discloses an auricle defect measuring appearance, including the lower jaw support seat, image acquisition box and infrared line acquisition device, the lower jaw support seat sets up at the image acquisition box center place for the lower jaw of support personnel of gathering, the both opposite sides of image acquisition box are equipped with the symmetrical image acquisition window, and the front of image image acquisition box is equipped with the head entry, infrared line acquisition device and image acquisition box sliding connection, infrared line acquisition device is used for gathering the thermal radiation signal of auricle through image acquisition window, and infrared line acquisition device will the thermal radiation signal of gathering it transfer to heat imaging module, the utility model discloses through heat imaging and carries out the calculation after auricle image acquisition, and data precision is high, and simultaneously, the image acquisition device adjusts the position through slide rail, sliding block, can reduce the error of handheld type gathering when the hand angle adjustment to the image acquisition device produces, further improves data acquisition precision.

Description

Technical Field

[0001] This utility model relates to the field of auricular abnormality detection technology, and in particular to an auricular defect measuring instrument. Background Technology

[0002] In forensic examinations, for cases involving auricular defects, a non-elastic transparent film is currently used to cover the front of the remaining auricular tissue and the front of the contralateral ear, respectively. The projections of the remaining auricular tissue and the contralateral ear onto the transparent film are then drawn, and the areas of both are measured. Based on this, the percentage of the auricular defect area relative to the total ear area is calculated and assessed.

[0003] The aforementioned method has the following drawbacks: during operation, the transparent film is easily moved and difficult to operate, ultimately leading to inaccurate measurement data. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide an auricle defect measuring instrument. After acquiring auricle images through thermal imaging, the instrument performs calculations, resulting in high data accuracy. At the same time, the image acquisition device can be adjusted in position via a slide rail and slider, which can reduce the error caused by the angle adjustment of the hand during handheld acquisition and further improve the data acquisition accuracy.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] An auricular defect measuring instrument includes a mandibular support, an image acquisition box, and an infrared acquisition device;

[0007] The jaw support is located at the center of the image acquisition box and is used to support the jaw of the person being acquired.

[0008] The image acquisition box has symmetrical image acquisition windows on two opposite sides, and a head entrance on the front.

[0009] The infrared acquisition device is slidably connected to the image acquisition box;

[0010] The infrared acquisition device is used to acquire thermal radiation signals of the auricle through the image acquisition window, and the infrared acquisition device transmits the acquired thermal radiation signals to the thermal imaging module.

[0011] The thermal imaging module is used to generate a thermal imaging image of the auricle based on the received thermal radiation signal.

[0012] Furthermore, the top of the image acquisition box is provided with a slide rail, on which a slider is slidably connected, and the slider is connected to the infrared acquisition device through a connecting rod.

[0013] Furthermore, the slide rail includes a first linear track, an arc track, and a second linear track, the first linear track and the second linear track being arranged in parallel, and the two ends of the arc track being connected to the first linear track and the second linear track, respectively.

[0014] Furthermore, the slide rail is mounted on top of the collection box via a bracket.

[0015] Furthermore, the jaw support has a K-shaped structure.

[0016] Furthermore, the jaw support is connected to the acquisition box via a rectangular frame, and the jaw support is located on the top of the rectangular frame.

[0017] Furthermore, the rectangular frame is equipped with a vertical telescopic rod, the movable end of which is connected to the jaw support seat. The telescopic rod can be an electric telescopic rod or a pneumatic cylinder.

[0018] The beneficial effects of this utility model are:

[0019] This invention uses thermal imaging to acquire auricular images and then performs calculations, resulting in high data accuracy. At the same time, the image acquisition device can be adjusted in position via slide rails and sliders, which can reduce the error caused by the angle adjustment of the hand during handheld acquisition and further improve the data acquisition accuracy. Attached Figure Description

[0020] Figure 1 The three-dimensional representation of the auricular defect measuring instrument in this utility model embodiment Figure 1 ;

[0021] Figure 2 For the stereoscopic measurement of auricular defects Figure 2 ;

[0022] In the figure, 1. Jaw support; 2. Image acquisition box; 3. Infrared acquisition device; 4. Image acquisition window; 5. Slide rail; 6. Slider; 7. First linear track; 8. Arc track; 9. Second linear track; 10. Bracket; 11. Rectangular frame; 12. Telescopic rod. Detailed Implementation

[0023] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] See Figures 1-2 This utility model provides a technical solution:

[0025] Example:

[0026] like Figure 1 and Figure 2 As shown, an auricle defect measuring instrument includes a mandibular support 1, an image acquisition box 2, and an infrared acquisition device 3.

[0027] The jaw support 1 is located at the center of the image acquisition box 2 and is used to support the jaw of the person to be acquired.

[0028] The image acquisition box 2 has symmetrical image acquisition windows 4 on two opposite sides, and a head entrance on the front of the image acquisition box 2.

[0029] The infrared acquisition device 3 is slidably connected to the image acquisition box 2;

[0030] The infrared acquisition device 3 is used to acquire thermal radiation signals of the auricle through the image acquisition window 4, and the infrared acquisition device 3 transmits the acquired thermal radiation signals to the thermal imaging module.

[0031] The thermal imaging module is used to generate a thermal imaging image of the auricle based on the received thermal radiation signal. It also includes an image processing module, which performs multi-layer registration and fusion on the generated thermal imaging image to generate a three-dimensional model of the ear's external contour. The infrared acquisition device 3, the thermal imaging module, and the image processing module are all existing technologies, as detailed in patent CN111803071 B. After the thermal imaging image of the auricle is generated, the auricle area can be calculated. The auricle area calculation can be, but is not limited to, using the following method: using a built-in measurement tool in software (such as the "ruler" in Photoshop or the automatic measurement function of medical software), performing pixel statistics on the auricle area, and converting it to an actual area (unit: cm²) according to a preset ratio (such as the number of pixels corresponding to a known ruler length).

[0032] If there are defects or deformities in the auricle, the area of ​​the healthy auricle can be compared to calculate the proportion of the defect.

[0033] The top of the image acquisition box 2 is provided with a slide rail 5, and a slider 6 is slidably connected on the slide rail 5. The slider 6 is connected to the infrared acquisition device 3 through a connecting rod.

[0034] like Figure 1 and Figure 2 As shown, the slide rail 5 includes a first linear track 7, an arc-shaped track 8, and a second linear track 9. The first linear track 7 and the second linear track 9 are arranged in parallel, and the two ends of the arc-shaped track 8 are connected to the first linear track 7 and the second linear track 9, respectively. The first linear track 7 and the second linear track 9 are parallel to the two sides of the data acquisition box, respectively.

[0035] The slide rail 5 is mounted on the top of the collection box via the bracket 10.

[0036] The jaw support 1 has a K-shaped structure.

[0037] The jaw support 1 is connected to the collection box via a rectangular frame 11, and the jaw support 1 is located on the top of the rectangular frame 11.

[0038] The rectangular frame 11 is equipped with a vertical telescopic rod 12, the movable end of which is connected to the jaw support seat 1. The telescopic rod 12 can be either an electric telescopic rod or a pneumatic cylinder.

[0039] Working principle: The head of the person to be photographed is inserted into the image acquisition box 2 through the head inlet, and then the lower jaw is placed on the lower jaw support 1. At the same time, the height of the lower jaw support 1 is adjusted according to the extension and retraction of the telescopic rod 12 to ensure that the side ears of different head sizes correspond to the image acquisition window 4.

[0040] The position of the infrared sensor 3 is adjusted by sliding the slider 6 on the slide rail 5, so that the infrared sensor 3 is positioned... Figure 1 Image acquisition window 4 on the left side of the image can now be used to acquire an image of the left side ear. After image acquisition is complete, slide slider 6 to... Figure 1 The image acquisition window 4 on the right side of the middle is used to acquire the image of the right ear.

[0041] At the end of image acquisition, the acquired thermal radiation signal is transmitted to the thermal imaging module, which generates a thermal image of the auricle based on the received signal. Simultaneously, the image processing module performs multi-layer registration and fusion on the generated thermal image to produce a three-dimensional model of the ear's outline. The auricle area can then be calculated, leading to the determination of the auricle defect ratio.

[0042] This invention uses thermal imaging to acquire auricular images and then performs calculations, resulting in high data accuracy. At the same time, the image acquisition device can be adjusted in position via slide rails and sliders, which can reduce the error caused by the angle adjustment of the hand during handheld acquisition and further improve the data acquisition accuracy.

[0043] The above description is merely a preferred embodiment of this utility model. It should be understood that this utility model is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the concept described herein through the above teachings or related technologies or knowledge. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of this utility model should be protected within the scope of the appended claims.

Claims

1. An auricle defect measuring instrument, characterized in that: Includes a jaw support, an image acquisition box, and an infrared acquisition device; The jaw support is located at the center of the image acquisition box and is used to support the jaw of the person being acquired. The image acquisition box has symmetrical image acquisition windows on two opposite sides, and a head entrance on the front. The infrared acquisition device is slidably connected to the image acquisition box; The infrared acquisition device is used to acquire thermal radiation signals of the auricle through the image acquisition window, and the infrared acquisition device transmits the acquired thermal radiation signals to the thermal imaging module. The thermal imaging module is used to generate a thermal imaging image of the auricle based on the received thermal radiation signal.

2. The auricle defect measuring instrument according to claim 1, characterized in that: The top of the image acquisition box is equipped with a slide rail, on which a slider is slidably connected. The slider is connected to the infrared acquisition device via a connecting rod.

3. The auricle defect measuring instrument according to claim 2, characterized in that: The slide rail includes a first linear track, an arc track, and a second linear track. The first linear track and the second linear track are arranged in parallel, and the two ends of the arc track are connected to the first linear track and the second linear track, respectively.

4. The auricle defect measuring instrument according to claim 3, characterized in that: The slide rail is mounted on top of the data acquisition box via a bracket.

5. The auricle defect measuring instrument according to claim 1, characterized in that: The jaw support has a K-shaped structure.

6. The auricle defect measuring instrument according to claim 5, characterized in that: The jaw support is connected to the acquisition box via a rectangular frame, and the jaw support is located on the top of the rectangular frame.

7. The auricle defect measuring instrument according to claim 6, characterized in that: The rectangular frame is equipped with a vertical telescopic rod, and the movable end of the telescopic rod is connected to the jaw support seat.

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