CN108848369B - Tongue shooting device based on 3D imaging technology and information acquisition method - Google Patents
Tongue shooting device based on 3D imaging technology and information acquisition method Download PDFInfo
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- CN108848369B CN108848369B CN201810357604.XA CN201810357604A CN108848369B CN 108848369 B CN108848369 B CN 108848369B CN 201810357604 A CN201810357604 A CN 201810357604A CN 108848369 B CN108848369 B CN 108848369B
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Abstract
The invention discloses a tongue shooting device based on a 3D imaging technology and an information acquisition method, wherein the tongue shooting device comprises at least one 3D camera and an oral cavity fixer, the oral cavity fixer comprises a supporting piece, the 3D camera is arranged on the supporting piece, the oral cavity fixer is used for propping open upper and lower teeth through the supporting piece, the 3D camera shoots a 3D image of a tongue when the oral cavity fixer props open the upper and lower teeth, the processor is used for receiving the 3D image shot by the 3D camera and generating the 3D image into a 3D tongue model, and the processor is also used for obtaining tongue information through the 3D tongue model. The tongue shooting device and the information acquisition method based on the 3D imaging technology can acquire the tongue model, so that the information of the tongue coating is acquired, and convenience is provided for users.
Description
Technical Field
The invention relates to a tongue shooting device based on a 3D imaging technology and an information acquisition method.
Background
Tongue coating, the term of TCM. The tongue coating is a thin, white and moist coating on the back of the tongue of the normal person. Consists of exfoliated keratinized epithelium, saliva, bacteria, food debris, and exuded white blood cells. Under normal conditions, the tongue is often constantly cleaned of material from its surface, as a result of chewing and swallowing actions, as well as saliva and dietary washout, and only appears as a thin, white coating. In the case of disease, the tongue coating becomes thicker due to less or only soft food intake, reduced chewing and tongue movements, or reduced salivation. The normal tongue coating is usually thin and evenly spread on the tongue surface, and is slightly thicker in the middle and at the root of the tongue surface.
Whether the tongue coating is normal or not can be judged by the doctor through experience, and the tongue coating cannot be widely used and the tongue coating information cannot be acquired and digitalized.
Disclosure of Invention
The invention aims to overcome the defect that tongue fur information cannot be acquired and digitalized in the prior art, and provides a tongue shooting device and an information acquisition method based on a 3D imaging technology, which can acquire a tongue model so as to acquire tongue fur information and provide convenience for users.
The invention solves the technical problems through the following technical scheme:
the utility model provides a tongue shooting device based on 3D imaging technique which characterized in that, tongue shooting device includes an at least 3D camera and a treater, the 3D camera is used for shooing the 3D image of tongue, the treater is used for receiving the 3D image that the 3D camera was shot to generate a 3D tongue model according to the 3D image, the treater still is used for through 3D tongue model obtains tongue information.
Preferably, the tongue shooting device comprises an oral cavity fixer, the oral cavity fixer comprises a supporting piece, the 3D camera is arranged on the supporting piece, the oral cavity fixer is used for propping open the upper and lower teeth through the supporting piece, and the 3D camera shoots the 3D image of the tongue when the oral cavity fixer props open the upper and lower teeth.
Preferably, the tongue information includes color information, each color information corresponding to a region on the 3D tongue model.
Preferably, the tongue information includes tongue spot information, the tongue spot information includes a tongue spot number and a tongue spot color,
the processor is used for identifying a tongue surface area in the 3D tongue model through the characteristic points, projecting the tongue surface area to a plane to obtain a 2D tongue surface picture, and then performing gray processing on the 2D tongue surface picture to obtain the number of noise points as the number of tongue spots; or the like, or, alternatively,
the 3D image comprises a structural layer and a pixel layer, and the processor is used for acquiring the number of the tongue spots by identifying the number of peak points on the structural layer.
Preferably, the tongue information includes tongue fissure information, the tongue fissure information includes tongue fissure length and tongue fissure depth,
the processor is used for identifying a tongue fissure region in the 3D tongue model through the characteristic points and acquiring the tongue fissure length according to the corresponding relation between the number of pixel points in the region and the actual length;
the processor is further used for intercepting the 3D tongue model in the tongue fissure region along the tongue fissure depth direction through a cross section, obtaining the number of pixels from the bottom to the top of the tongue fissure on the cross section, and obtaining the tongue fissure depth through the corresponding relation between the number of the pixels and the actual length.
Preferably, the oral cavity fixer includes a C-shaped mouth gag, and the C-shaped mouth gag includes two C-shaped grooves, support piece includes two connecting pieces and an annular bracing frame, the quantity of 3D camera is 3, be equipped with a slide rail on the annular bracing frame, the 3D camera is located in the slide rail, the C-shaped groove is located on the connecting piece.
Preferably, for two 3D images, the processor is configured to identify feature points on each of the two 3D images, and stitch the two 3D images by overlapping the same feature points to generate a 3D tongue model.
Preferably, the 3D image includes a structural layer and a pixel layer,
for the two 3D images, the processor is used for identifying at least 3 peak points on the structural layer of each 3D image, and then sewing the structural layers of the two 3D images in a mode of overlapping the same peak points to generate a 3D tongue model, wherein the peak points comprise convex points and concave points, and the number of overlapping peak points of the two 3D images is at least 3;
the processing end is also used for attaching a pixel layer on the sutured 3D tongue model.
The invention also provides an information acquisition method realized by using the tongue shooting device, which is characterized by comprising the following steps:
acquiring at least two 3D images of the tongue through a tongue shooting device;
and identifying characteristic points on each 3D image, and stitching the two 3D images in a mode that the same characteristic points are overlapped to generate a 3D tongue model.
Tongue information is obtained through the 3D tongue model.
Preferably, the 3D image includes a structural layer and a pixel layer, and the information acquisition method includes:
the processor identifies a tongue fissure area in the 3D tongue model through the characteristic points, and obtains the tongue fissure length according to the corresponding relation between the number of pixel points in the area and the actual length;
the processor intercepts the 3D tongue model in the tongue fissure region along the tongue fissure depth direction through a cross section, obtains the number of pixel points from the bottom to the top of the tongue fissure on the cross section, and obtains the tongue fissure depth through the corresponding relation between the number of the pixel points and the actual length.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows: the tongue model can be obtained, so that the information of the tongue coating is obtained, and convenience is provided for a user.
Drawings
Fig. 1 is a schematic structural diagram of a tongue photographic device in embodiment 1 of the present invention.
Fig. 2 is another schematic structural diagram of a tongue photographic device according to embodiment 1 of the present invention.
Fig. 3 is a flowchart of an information acquisition method according to embodiment 1 of the present invention.
Fig. 4 is a flowchart of an information acquisition method according to embodiment 2 of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
Referring to fig. 1 and 2, the present embodiment provides a tongue photographic device based on a 3D imaging technology.
The embodiment provides a tongue photographic device based on 3D imaging technology, which comprises 3D cameras 11, a cavity fixer 12 and a processor.
The oral cavity fixer comprises a supporting piece, and the 3D camera is arranged on the supporting piece.
The oral cavity fixer comprises a C-shaped mouth gag, the C-shaped mouth gag comprises two C-shaped grooves 121, the supporting piece comprises two connecting pieces 122 and an annular supporting frame 123, a sliding rail is arranged on the annular supporting frame, the 3D camera is arranged in the sliding rail, and the C-shaped grooves are arranged on the connecting pieces.
The oral cavity fixer is used for propping open upper and lower teeth through the support piece, and the 3D camera shoots the 3D image of the tongue when the oral cavity fixer props open the upper and lower teeth.
The 3D camera is used for shooting 3D images of the tongue, the processor is used for receiving the 3D images of the 3D camera and splicing the 3D images into a 3D tongue model, and the processor is further used for acquiring tongue information through the 3D tongue model.
The tongue information comprises color information, tongue plaque information and tongue fissure information.
Wherein, in the color information, each color information corresponds to a region on the 3D tongue model.
The processor is used for identifying a tongue surface area in the 3D tongue model through the characteristic points, projecting the tongue surface area to a plane to obtain a 2D tongue surface picture, and then performing gray processing on the 2D tongue surface picture to obtain the number of noise points as the number of tongue spots.
The processor is used for identifying a tongue fissure region in the 3D tongue model through the characteristic points and obtaining the tongue fissure length according to the corresponding relation between the number of pixel points in the region and the actual length;
the processor is further used for intercepting the 3D tongue model in the tongue fissure region along the tongue fissure depth direction through a cross section, obtaining the number of pixels from the bottom to the top of the tongue fissure on the cross section, and obtaining the tongue fissure depth through the corresponding relation between the number of the pixels and the actual length.
For the two 3D images, the processor is used for identifying feature points on each 3D image and stitching the two 3D images in a mode that the same feature points are overlapped to generate a 3D tongue model.
Further, the feature points are feature points of a structural layer, the 3D image comprises the structural layer and a pixel layer,
for the two 3D images, the processor is used for identifying at least 3 peak points on the structural layer of each 3D image, and then sewing the structural layers of the two 3D images in a mode of overlapping the same peak points to generate a 3D tongue model, wherein the peak points comprise convex points and concave points, and the number of overlapping peak points of the two 3D images is at least 3;
the processing end is also used for attaching a pixel layer on the sutured 3D tongue model.
Referring to fig. 3, with the tongue photographing device, the embodiment further provides an information collecting method, including:
And 102, identifying a tongue fissure area in the 3D tongue model through the characteristic points by the processor, and acquiring the tongue fissure length according to the corresponding relation between the number of pixel points in the area and the actual length.
Tongue fissure texture can be obtained through the identification of the characteristic points, and tongue fissure length is calculated according to the texture.
And 103, intercepting the 3D tongue model in the tongue fissure region along the tongue fissure depth direction through a cross section by the processor, acquiring the number of pixel points from the bottom to the top of the tongue fissure on the cross section, and acquiring the tongue fissure depth through the corresponding relation between the number of the pixel points and the actual length.
And the tongue fissure length and the tongue fissure depth are used for acquiring tongue information through the 3D tongue model.
The tongue shooting device and the information acquisition method based on the 3D imaging technology can acquire the tongue model, so that the information of the tongue coating is acquired, and convenience is provided for users.
Example 2
This embodiment is substantially the same as embodiment 1 except that:
the processor is used for obtaining the number of the tongue spots by identifying the number of peak points on the structural layer.
Referring to fig. 4, with the tongue photographing device, the embodiment further provides an information collecting method, including:
and 104, acquiring the number of the tongue spots by identifying the number of peak points on the structural layer.
The tongue fissure length and the tongue fissure depth are used for acquiring tongue information through the 3D tongue model.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (6)
1. A tongue shooting device based on a 3D imaging technology is characterized by comprising at least one 3D camera and a processor, wherein the 3D camera is used for shooting a 3D image of a tongue, the processor is used for receiving the 3D image shot by the 3D camera and generating a 3D tongue model according to the 3D image, and the processor is further used for acquiring tongue information through the 3D tongue model;
the tongue information comprises tongue fissure information, the tongue fissure information comprises tongue fissure length and tongue fissure depth,
the processor is used for identifying a tongue fissure region in the 3D tongue model through the characteristic points and acquiring the tongue fissure length according to the corresponding relation between the number of pixel points in the region and the actual length;
the processor is further used for intercepting the 3D tongue model in the tongue fissure region along the tongue fissure depth direction through a cross section, obtaining the number of pixels from the bottom to the top of the tongue fissure on the cross section, and obtaining the tongue fissure depth through the corresponding relation between the number of the pixels and the actual length;
for the two 3D images, the processor is used for identifying feature points on each 3D image and stitching the two 3D images in a mode of overlapping the same feature points to generate a 3D tongue model;
the 3D image includes a structural layer and a pixel layer,
for the two 3D images, the processor is used for identifying at least 3 peak points on the structural layer of each 3D image, then the structural layers of the two 3D images are stitched in a mode of overlapping the same peak points to generate a 3D tongue model, the peak points comprise convex points and concave points, and the number of overlapping peak points of the two 3D images is at least 3;
the processor is further configured to attach a pixel layer on the sutured 3D tongue model.
2. A tongue camera according to claim 1 wherein said tongue camera comprises an oral fixture, said oral fixture comprising a support, said 3D camera being mounted on said support, said oral fixture being adapted to hold open the upper and lower teeth via said support, said 3D camera capturing a 3D image of the tongue when said oral fixture holds open the upper and lower teeth.
3. A tongue photographic device according to claim 1, wherein the tongue information comprises color information, each color information corresponding to a region on a 3D tongue model.
4. A tongue photographic device according to claim 1, wherein the tongue information comprises tongue plaque information including a number of tongue plaques and a color of tongue plaque,
the processor is used for identifying a tongue surface area in the 3D tongue model through the characteristic points, projecting the tongue surface area to a plane to obtain a 2D tongue surface picture, and then performing gray processing on the 2D tongue surface picture to obtain the number of noise points as the number of tongue spots; or the like, or, alternatively,
the 3D image comprises a structural layer and a pixel layer, and the processor is used for acquiring the number of the tongue spots by identifying the number of peak points on the structural layer.
5. A tongue camera as claimed in claim 2, wherein said oral cavity fixture includes a C-shaped mouth gag, said C-shaped mouth gag includes two C-shaped recesses, said support member includes two connecting members and an annular support frame, said 3D cameras are 3 in number, said annular support frame is provided with a slide rail, said 3D cameras are disposed in said slide rail, said C-shaped recesses are disposed on said connecting members.
6. An information acquisition method implemented by using the tongue photographic device according to any one of claims 1 to 5, wherein the information acquisition method comprises:
acquiring at least two 3D images of the tongue through a tongue shooting device;
identifying characteristic points on each 3D image, and stitching the two 3D images in a mode of overlapping the same characteristic points to generate a 3D tongue model;
tongue information is obtained through the 3D tongue model;
the 3D image comprises a structural layer and a pixel layer, and the information acquisition method comprises the following steps:
the processor identifies a tongue fissure area in the 3D tongue model through the characteristic points, and obtains the tongue fissure length according to the corresponding relation between the number of pixel points in the area and the actual length; the processor intercepts the 3D tongue model in the tongue fissure region along the tongue fissure depth direction through a cross section, obtains the number of pixel points from the bottom to the top of the tongue fissure on the cross section, and obtains the tongue fissure depth through the corresponding relation between the number of the pixel points and the actual length.
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| CN201810357604.XA CN108848369B (en) | 2018-04-20 | 2018-04-20 | Tongue shooting device based on 3D imaging technology and information acquisition method |
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| CN206120486U (en) * | 2016-04-21 | 2017-04-26 | 柳州市妇幼保健院 | Oral cavity tooth closes to photographic reflector panel fixer |
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| CN101000461A (en) * | 2006-12-14 | 2007-07-18 | 上海杰图软件技术有限公司 | Method for generating stereoscopic panorama by fish eye image |
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