CN212415754U - X-ray bone mineral density measuring system combined with surface geometry acquisition - Google Patents
X-ray bone mineral density measuring system combined with surface geometry acquisition Download PDFInfo
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- CN212415754U CN212415754U CN202020805801.6U CN202020805801U CN212415754U CN 212415754 U CN212415754 U CN 212415754U CN 202020805801 U CN202020805801 U CN 202020805801U CN 212415754 U CN212415754 U CN 212415754U
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Abstract
The utility model discloses a combine X ray bone density measurement system of surface geometry collection, this system includes information acquisition device and information processing device, information acquisition device includes X ray imaging mechanism, surface geometry collection mechanism and visible light imaging mechanism, X ray imaging mechanism generates the X ray image of detected object, surface geometry collection mechanism generates the three-dimensional surface geometry model of detected object, visible light imaging mechanism generates the visible light image of detected object; the information processing device generates a depth image matched with the X-ray image based on the three-dimensional surface geometric model and the X-ray image, generates a bone tissue and soft tissue base material decomposition coefficient image based on the depth image and the X-ray image, and generates a bone density image based on the bone tissue base material decomposition coefficient image. The utility model discloses can obtain accurate bone density image, can effectively reduce X ray bone densimeter's radiation dose, reduce X ray bone densimeter system's cost.
Description
Technical Field
The utility model relates to a X ray imaging field especially relates to a combine X ray bone mineral density measurement system of surface geometry collection.
Background
Bone mineral density is an important index of bone strength. The dual-energy X-ray bone mineral density measuring system measures bone mineral density through high-energy and low-energy X-ray exposure twice, can be used for detecting bone mass of any part of the whole body, has high accuracy and small harm to human bodies, and is clinically popularized and applied in China. However, because of the requirement of two exposures, the exposure dose is large, the complexity of the equipment is increased, and the price is higher than that of the conventional X-ray imaging equipment. At present, no system for realizing bone density measurement through one-time X-ray exposure imaging is available.
Disclosure of Invention
The technical problem that this disclosure will solve is to provide an X-ray bone density measurement system combining surface geometry acquisition, which can realize quantitative measurement of bone density by one exposure, aiming at the defects involved in the background art.
The invention adopts the following technical scheme for solving the technical problems:
an X-ray bone mineral density measuring system combining surface geometry acquisition comprises an information acquisition device and an information processing device; the information acquisition device comprises an X-ray imaging mechanism, a surface geometry acquisition mechanism and a visible light imaging mechanism, wherein the X-ray imaging mechanism is configured to generate an X-ray image of an object to be detected, the surface geometry acquisition mechanism is configured to generate a three-dimensional surface geometry model of the object to be detected, and the visible light imaging mechanism is configured to generate a visible light image of the object to be detected; the information processing device is in data communication with the information acquisition device and is configured to acquire a visible light image and a three-dimensional surface geometric model of the detected object provided by the surface geometric acquisition mechanism and an X-ray image provided by the X-ray imaging mechanism, and is further configured to generate a depth image matched with the X-ray image based on the three-dimensional surface geometric model and the X-ray image, and is further configured to generate a bone tissue and soft tissue-based material decomposition coefficient image based on the depth image and the X-ray image and is further configured to generate a bone density image based on the bone tissue-based material decomposition coefficient image.
In the X-ray bone mineral density measurement system in combination with surface geometry acquisition, wherein the surface geometry acquisition mechanism is configured as an active surface geometry acquisition mechanism to generate a three-dimensional surface geometry model.
In the X-ray bone mineral density measuring system combined with the surface geometry acquisition, the X-ray imaging mechanism is configured to receive the visible light image and/or the three-dimensional surface geometry model, adjust the collimator shape according to the visible light image and emit X-rays to irradiate the detected object and detect the X-rays penetrating the detected object to generate an X-ray image.
The X-ray bone density measuring system combined with surface geometry acquisition is a bone density measuring system used for including human bodies and other samples, and the detected objects include human bodies and other samples.
The X-ray bone mineral density measuring system combined with the surface geometry acquisition further comprises a voice prompt device, wherein the voice prompt device is in data communication with the information processing device and is used for prompting whether the posture of the detected object is correct or not and prompting whether the identity of the detected object is correct or not when the detected object is a human body.
In the system for measuring the bone mineral density of the X-ray combined with the surface geometric acquisition, the information acquisition device further comprises a certificate information acquisition mechanism which is in data communication with the information processing device and acquires certificate information of a detected person when the detected object is a human body, and the information processing device is further configured to verify the identity of the detected person based on the certificate information of the detected person and the visible light image and/or the three-dimensional surface geometric model.
In the X-ray bone mineral density measuring system combined with surface geometry acquisition, the information processing device is further configured to identify the pose of the detected object according to the visible light image and the three-dimensional surface geometry model of the detected object, further carry out identity verification when the detected object is a human body, if the identity verification fails, do not start X-ray imaging, carry out language prompt through a voice prompt device, if the pose does not meet the detection requirement, correct the pose of the detected object and then start the X-ray imaging; and when the detected object is other samples, correcting the pose of the detected object if the pose does not meet the detection requirement, and then starting X-ray imaging.
In the X-ray bone density measuring system combined with surface geometry acquisition, the system also comprises an image display device, wherein the image display device is in data communication with the information processing device and can display the bone density image and/or the three-dimensional surface geometry model and/or the visible light image and/or the X-ray image and/or the depth image and/or the base material decomposition coefficient image.
The utility model adopts the above technical scheme to compare with prior art, have following technological effect:
the utility model discloses a combine surface geometry to gather and X ray imaging can obtain accurate bone mineral density image, can effectively reduce X ray bone mineral density measurement system's radiation dose, reduce X ray bone mineral density measurement system's cost.
Drawings
FIG. 1 is a schematic diagram of an X-ray bone densitometry system for human bone densitometry in conjunction with surface geometry acquisition, showing the parts of the bone densitometry system and their connections.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the following embodiments, the present invention is illustrated by taking an X-ray bone density measurement system combining surface geometry acquisition in which the detected object is a human body as an example, but this should not be construed as a limitation to the present invention.
Referring to fig. 1, fig. 1 is a schematic diagram of an X-ray bone mineral density measurement system for measuring bone mineral density of a human body, which combines surface geometry acquisition, and the system includes an information acquisition device, an information processing device, an image display device a and an image display device B, and a voice prompt device a and a voice prompt device B.
The information acquisition device comprises an X-ray human body imager, a depth camera A, a depth camera B and a certificate information acquisition mechanism. The X-ray imaging mechanism adopts an X-ray human body imager, and can be configured to receive the visible light image and/or the three-dimensional surface geometric model, adjust the collimator shape according to the visible light image and emit X-rays to irradiate the detected object and detect the X-rays penetrating the detected object to generate an X-ray image. The surface geometry acquisition mechanism and the visible light imaging mechanism adopt a Kinect depth camera, the Kinect depth camera can acquire three-dimensional surface geometry data and visible light images of the detected object at the same time, a pair of depth camera A and depth camera B can be used for generating a complete three-dimensional geometry model of the detected object, and the depth camera can be installed on an X-ray human body imager. The certificate information acquisition mechanism is arranged in the imaging equipment room.
The information processing device is in data communication with the information acquisition device and is capable of obtaining the X-ray image, the three-dimensional surface geometric model, the visible light image and the identity information of the detected person, and the information processing device can also send information to the information acquisition device, for example, instructing the information acquisition device to start acquiring the X-ray image and/or the three-dimensional surface geometric model and/or the visible light image.
The information processing apparatus is also in data communication with an image display apparatus a and an image display apparatus B. The staff side image display device A is arranged in the studio, and the equipment side image display device B is arranged between the imaging equipment so that staff can check detection information and images.
The information processing device is also in data communication with a voice prompt device A and a voice prompt device B. Staff end voice prompt device A sets up at the studio, and equipment end voice prompt device B sets up between imaging device to for example voice prompt or if the staff communicates with the personnel that are detected and use.
The information processing device can be configured to generate a depth image that matches an X-ray image based on the three-dimensional surface geometry model and the X-ray image.
The information processing apparatus can be configured to generate an image of bone tissue and soft tissue-based material decomposition coefficients based on the depth image and the X-ray image.
The information processing apparatus can be configured to generate a bone density image based on the bone tissue-based material decomposition coefficient image.
The information processing apparatus can be configured to identify the pose of the detected person based on the visible light image and the three-dimensional human body surface geometric model, correct the pose of the detected person if the pose does not meet the detection requirement, and then restart X-ray imaging.
The information processing device can be configured to verify the identity of the detected person based on the certificate information of the detected person and the visible light image and/or the three-dimensional surface geometric model, not start X-ray imaging if the identity verification fails, and perform language prompting.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. An X-ray bone mineral density measuring system combined with surface geometry acquisition is characterized by comprising an information acquisition device and an information processing device, wherein the information acquisition device comprises an X-ray imaging mechanism, a surface geometry acquisition mechanism and a visible light imaging mechanism, the X-ray imaging mechanism is configured to generate an X-ray image of a detected object, the surface geometry acquisition mechanism is configured to generate a three-dimensional surface geometry model of the detected object, and the visible light imaging mechanism is configured to generate a visible light image of the detected object; the information processing device is in data communication with the information acquisition device and is configured to acquire the three-dimensional surface geometry model provided by the surface geometry acquisition mechanism, the visible light image provided by the visible light imaging mechanism and the X-ray image provided by the X-ray imaging mechanism, and is further configured to generate a depth image matched with the X-ray image based on the three-dimensional surface geometry model and the X-ray image, and is further configured to generate a bone tissue and soft tissue-based material decomposition coefficient image based on the depth image and the X-ray image, and is further configured to generate a bone density image based on the bone tissue-based material decomposition coefficient image.
2. The system of claim 1, wherein the surface geometry acquisition mechanism is configured as an active surface geometry acquisition mechanism to generate a three-dimensional surface geometry model.
3. The system of claim 1, wherein the X-ray imaging mechanism is configured to receive the visible light image and/or the three-dimensional surface geometry model and adjust the collimator shape accordingly and emit X-rays to illuminate the object to be inspected and detect X-rays penetrating the object to generate an X-ray image.
4. The X-ray bone densitometry system in combination with surface geometry acquisition of claim 1, wherein the system is a bone densitometry system for a subject comprising a human body and other samples.
5. The system of claim 1, further comprising a voice prompt device in data communication with the information processing device for prompting the detected object to be correct in posture and correct in identity when the detected object is a human body.
6. The system of claim 1, wherein the information acquisition device further comprises a credential information acquisition mechanism in data communication with an information processing device, the credential information acquisition mechanism acquiring credential information of the inspected person when the inspected object is a human body, the information processing device further configured to verify the identity of the inspected person based on the credential information of the inspected person and the visible light image and/or the three-dimensional surface geometric model.
7. The system of claim 1, wherein the information processing device is further configured to identify the pose of the detected object based on the visible light image and the three-dimensional surface geometry model of the detected object, further perform authentication when the detected object is a human body, not start X-ray imaging if the authentication fails, perform language prompting through a voice prompting device, correct the pose of the detected object and then start X-ray imaging if the pose does not meet the detection requirement; and when the detected object is other samples, correcting the pose of the detected object if the pose does not meet the detection requirement, and then starting X-ray imaging.
8. The system according to claim 1, further comprising an image display device in data communication with the information processing device, wherein the image display device is capable of displaying the bone density image and/or the three-dimensional surface geometry model and/or the visible light image and/or the X-ray image and/or the depth image and/or the basis material decomposition coefficient image.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113662568A (en) * | 2020-05-14 | 2021-11-19 | 镇江慧影科技发展有限公司 | DR fusion imaging system and method |
| CN113662567A (en) * | 2020-05-14 | 2021-11-19 | 镇江慧影科技发展有限公司 | X-ray bone mineral density measuring system and method combining surface geometry acquisition |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113662568A (en) * | 2020-05-14 | 2021-11-19 | 镇江慧影科技发展有限公司 | DR fusion imaging system and method |
| CN113662567A (en) * | 2020-05-14 | 2021-11-19 | 镇江慧影科技发展有限公司 | X-ray bone mineral density measuring system and method combining surface geometry acquisition |
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