CN111184513A - Power regulating system for hand-held medical scanner - Google Patents
Power regulating system for hand-held medical scanner Download PDFInfo
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- CN111184513A CN111184513A CN202010050737.XA CN202010050737A CN111184513A CN 111184513 A CN111184513 A CN 111184513A CN 202010050737 A CN202010050737 A CN 202010050737A CN 111184513 A CN111184513 A CN 111184513A
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- clothes
- image
- medical scanner
- handheld medical
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/22—Matching criteria, e.g. proximity measures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/25—Determination of region of interest [ROI] or a volume of interest [VOI]
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
- G16H40/63—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
Abstract
The invention relates to a power regulating system of a handheld medical scanner, which comprises: the power adjusting equipment is arranged in the handheld medical scanner, is connected with the millimeter wave transmitter of the handheld medical scanner and is used for adjusting the transmitting power of the millimeter wave transmitter in real time based on the received thickness of the clothes; the embedded camera is positioned on the front panel of the handheld medical scanner and is used for carrying out camera shooting action on a human body in front of the handheld medical scanner so as to obtain and output a corresponding real-time captured image; and the clothes detection equipment is used for extracting an image area occupied by the clothes object from the real-time captured image based on the clothes appearance characteristics and taking the image area as a live clothes area. The power regulating system of the handheld medical scanner is compact in design and convenient to operate.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a power regulating system of a handheld medical scanner.
Background
Automatic control means that a certain working state or parameter of a machine, equipment or a production process automatically runs according to a preset rule by using additional equipment or devices under the condition that no person directly participates in the control. Automatic control is in contrast to manual control concepts.
The research of the automatic control technology is beneficial to freeing human from complex, dangerous and fussy working environment and greatly improving the control efficiency. Automatic control is a branch of engineering science. It involves automatic influence on the dynamic system using feedback principles to bring the output value close to what we want. From a process point of view, it is based on mathematical system theory. What we call automatic control today is a branch of the theory of control that arose in the middle of the twentieth century.
In many areas of modern science and technology, automatic control technology plays an increasingly important role. Automatic control means that a certain operating state or parameter (i.e., controlled quantity) of a machine, equipment or a production process (collectively referred to as a controlled object) automatically operates according to a predetermined rule by using an additional device or apparatus (referred to as a control apparatus or a controller) without human intervention. The automatic control theory is a technical science for researching the common law of automatic control. In the initial development stage, the automatic regulation principle based on the feedback theory is mainly used for industrial control, and in the second war period, the development of the automatic control theory is further promoted and perfected in order to design and manufacture automatic pilots, artillery positioning systems, radar tracking systems and other military equipment based on the feedback principle.
Disclosure of Invention
The invention has at least the following two important points:
(1) identifying the type of clothes of a currently scanned human body of the handheld medical scanner, and determining the transmitting power of a millimeter wave transmitter of the corresponding handheld medical scanner based on the identification result so that the transmitting power is adapted to the thickness of the type of clothes, thereby ensuring the scanning effect of the handheld medical scanner;
(2) extracting an image area occupied by a clothes object from the image based on the clothes appearance characteristics, taking the image area as a field clothes area, performing one-to-one content matching on each reference clothes pattern corresponding to each type of clothes in a clothes database and the field clothes area, and taking the clothes type corresponding to the reference clothes pattern with the highest matching degree as a target clothes type.
According to an aspect of the present invention, there is provided a handheld medical scanner power regulation system, the system comprising:
the power adjusting equipment is arranged in the handheld medical scanner, is connected with the millimeter wave transmitter of the handheld medical scanner and is used for adjusting the transmitting power of the millimeter wave transmitter in real time based on the received thickness of the clothes;
the embedded camera is positioned on the front panel of the handheld medical scanner and is used for carrying out camera shooting action on a human body in front of the handheld medical scanner so as to obtain and output a corresponding real-time captured image;
the clothes detection equipment is arranged in the handheld medical scanner, is connected with the embedded camera and is used for extracting an image area occupied by a clothes object from the real-time captured image based on the clothes appearance characteristics and outputting the image area as a field clothes area;
the type recognition device is connected with the clothes detection device and used for performing one-to-one content matching on each reference clothes pattern corresponding to each type of clothes in a clothes database and the field clothes area and outputting the clothes type corresponding to the reference clothes pattern with the highest matching degree as a target clothes type;
a thickness estimation device connected with the type recognition device for estimating the corresponding thickness of the clothes based on the type of the target clothes;
the content storage device is connected with the type identification device and is used for storing the clothing database in advance;
wherein adjusting the transmission power of the millimeter wave transmitter based on the received thickness of the laundry includes: the smaller the value of the thickness of the clothes is, the lower the transmitting power of the adjusted millimeter wave transmitter is;
the clothes detection device, the type identification device and the thickness estimation device are realized by respectively selecting CPLD chips with different models based on respective maximum computation amount;
wherein the content storage device is further connected with the thickness estimation device and is used for storing the mapping relation between various target clothes types and the corresponding clothes thicknesses.
The power regulating system of the handheld medical scanner is compact in design and convenient to operate. The scanning power of the corresponding handheld medical scanner can be determined according to the type of the currently scanned human body dressing clothes, so that the human body scanning effect under various clothes dressing scenes can be ensured.
Detailed Description
Embodiments of the handheld medical scanner power conditioning system of the present invention will be described in detail below.
The visual analysis comprises three parts of horizontal visual field analysis, vertical visual field analysis and visual field coordination analysis.
Horizontal field analysis studies the lateral width of the facility and the depth distance of the space. And scientifically determining that the central visual angle within 10 degrees of the horizontal visual area is the optimal visual area. Human eyes are instantaneous visual zones within the range of 20 degrees of the central visual angle, and can identify objects in a very short time. Human eyes have an effective visual area within 30 degrees of a central visual angle, and can distinguish the image of an object by focusing attention. Human eyes have a maximum visual area within 120 degrees of a central visual angle, and a great deal of effort is required to identify an object. If the head is rotated, the maximum viewing range of the person can be up to 220 °.
The objects of the vertical field of view analysis study are the height of the object and the depth of penetration of the overall planar configuration. According to scientific determination, the optimal visual area of the human eyes in the visual area in the vertical direction is 10 degrees below the visual plane, the good visual area is from 10 degrees above the visual plane to 30 degrees below the visual plane, and the maximum visual area is from 60 degrees above the visual plane to 70 degrees below the visual plane.
Visual field coordination analysis the study was an analysis of the overall coordination of the visual field. People typically have three states, overlook, close-up, and scrutiny, when viewing objects. Overlook is suitable for overall view of the overall appearance of an object, and close view is suitable for observing individual objects, and undersight is the careful observation of the texture, material, texture and the like of the object.
In the prior art, although the handheld medical scanner makes up for the defects that a fixed human body scanning mechanism is not flexible enough and cannot be subjected to additional inspection anytime and anywhere to a certain extent, the requirement on power consumption is high due to the portability of the equipment, and meanwhile, the millimeter wave emission mode with fixed power cannot ensure the human body scanning effect in various clothes dressing scenes.
In order to overcome the defects, the invention builds a power regulating system of the handheld medical scanner and can effectively solve the corresponding technical problem.
A handheld medical scanner power regulation system shown according to an embodiment of the present invention includes:
the power adjusting equipment is arranged in the handheld medical scanner, is connected with the millimeter wave transmitter of the handheld medical scanner and is used for adjusting the transmitting power of the millimeter wave transmitter in real time based on the received thickness of the clothes;
the embedded camera is positioned on the front panel of the handheld medical scanner and is used for carrying out camera shooting action on a human body in front of the handheld medical scanner so as to obtain and output a corresponding real-time captured image;
the clothes detection equipment is arranged in the handheld medical scanner, is connected with the embedded camera and is used for extracting an image area occupied by a clothes object from the real-time captured image based on the clothes appearance characteristics and outputting the image area as a field clothes area;
the type recognition device is connected with the clothes detection device and used for performing one-to-one content matching on each reference clothes pattern corresponding to each type of clothes in a clothes database and the field clothes area and outputting the clothes type corresponding to the reference clothes pattern with the highest matching degree as a target clothes type;
a thickness estimation device connected with the type recognition device for estimating the corresponding thickness of the clothes based on the type of the target clothes;
the content storage device is connected with the type identification device and is used for storing the clothing database in advance;
wherein adjusting the transmission power of the millimeter wave transmitter based on the received thickness of the laundry includes: the smaller the value of the thickness of the clothes is, the lower the transmitting power of the adjusted millimeter wave transmitter is;
the clothes detection device, the type identification device and the thickness estimation device are realized by respectively selecting CPLD chips with different models based on respective maximum computation amount;
wherein the content storage device is further connected with the thickness estimation device and is used for storing the mapping relation between various target clothes types and the corresponding clothes thicknesses.
Next, the detailed structure of the power adjustment system of the handheld medical scanner according to the present invention will be further described.
In the handheld medical scanner power conditioning system:
the content storage device, the type identification device, and the thickness estimation device are all disposed within a handheld medical scanner.
In the handheld medical scanner power conditioning system, further comprising:
the rectangle fitting equipment is arranged in the handheld medical scanner, is connected with the embedded camera and is used for receiving the real-time captured image, identifying each object in the real-time captured image, performing rectangle fitting on the appearance of each object to obtain a corresponding extended rectangle, and performing rectangle fitting on the appearance of each object to obtain a corresponding extended rectangle, wherein the rectangle fitting equipment comprises: the outward-extending rectangle is the smallest rectangle capable of including the outline of the object;
wherein the objects are of various types present within a foreground region in the live-captured image.
In the handheld medical scanner power conditioning system, further comprising:
and the area processing device is connected with the rectangle fitting device and used for sequencing the outward-extended rectangles of the objects based on the area sizes, taking the outward-extended rectangles with the central sequence numbers as the shapes of the segmentation windows and performing segmentation on the real-time captured image based on the shapes of the segmentation windows to obtain the sub-images.
In the handheld medical scanner power conditioning system, further comprising:
the first acquisition equipment is connected with the area processing equipment and used for receiving each sub-image of the real-time captured image, taking the sub-image which completely belongs to the image background area in each sub-image as a target sub-image, and taking the sub-image which does not completely belong to the image background area in each sub-image as a non-target sub-image.
In the handheld medical scanner power conditioning system, further comprising:
and the second acquisition equipment is connected with the first acquisition equipment and is used for receiving each target sub-image output by the first acquisition equipment, analyzing the definition of each target sub-image and outputting each definition corresponding to each target sub-image.
In the handheld medical scanner power conditioning system, further comprising:
and the third acquisition equipment is connected with the second acquisition equipment and is used for carrying out mean value calculation on the remaining definitions after the maximum value and the minimum value are removed in all the definitions so as to obtain the definition to be processed.
In the handheld medical scanner power conditioning system, further comprising:
and the data processing equipment is connected with the third acquisition equipment and used for executing corresponding definition correction action on the real-time captured image based on the definition to be processed so as to obtain a corresponding image to be processed, and replacing the real-time captured image with the image to be processed and sending the image to be processed to the clothes detection equipment.
In the handheld medical scanner power conditioning system:
in the data processing device, the lower the definition to be processed is, the larger a corresponding definition correcting action is performed on the real-time captured image, so as to improve the definition of the real-time captured image.
In the handheld medical scanner power conditioning system:
in the area processing apparatus, the length and width of each of the sub-images obtained by the division are respectively equal.
In addition, the cpld (complex Programmable Logic device) complex Programmable Logic devices are developed from PAL and GAL devices, and are relatively large in scale and complex in structure, and belong to the field of large-scale integrated circuits. The digital integrated circuit is a digital integrated circuit which is used by a user to construct logic functions according to respective needs. The basic design method is to generate corresponding target files by means of an integrated development software platform and methods such as schematic diagrams, hardware description languages and the like, and to transmit codes to a target chip through a download cable (programming in the system) so as to realize the designed digital system.
CPLDs are mainly composed of programmable interconnected matrix cells surrounded by programmable logic Macro cells (MC, Macro cells). The MC structure is complex and has a complex I/O unit interconnection structure, and a user can generate a specific circuit structure according to the requirement to complete a certain function. Because the CPLD adopts metal wires with fixed length to interconnect each logic block, the designed logic circuit has time predictability, and the defect of incomplete time sequence prediction of a sectional type interconnection structure is avoided.
It is to be understood that while the present invention has been described in conjunction with the preferred embodiments thereof, it is not intended to limit the invention to those embodiments. It will be apparent to those skilled in the art from this disclosure that many changes and modifications can be made, or equivalents modified, in the embodiments of the invention without departing from the scope of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (10)
1. A handheld medical scanner power regulation system, comprising:
the power adjusting equipment is arranged in the handheld medical scanner, is connected with the millimeter wave transmitter of the handheld medical scanner and is used for adjusting the transmitting power of the millimeter wave transmitter in real time based on the received thickness of the clothes;
the embedded camera is positioned on the front panel of the handheld medical scanner and is used for carrying out camera shooting action on a human body in front of the handheld medical scanner so as to obtain and output a corresponding real-time captured image;
the clothes detection equipment is arranged in the handheld medical scanner, is connected with the embedded camera and is used for extracting an image area occupied by a clothes object from the real-time captured image based on the clothes appearance characteristics and outputting the image area as a field clothes area;
the type recognition device is connected with the clothes detection device and used for performing one-to-one content matching on each reference clothes pattern corresponding to each type of clothes in a clothes database and the field clothes area and outputting the clothes type corresponding to the reference clothes pattern with the highest matching degree as a target clothes type;
a thickness estimation device connected with the type recognition device for estimating the corresponding thickness of the clothes based on the type of the target clothes;
the content storage device is connected with the type identification device and is used for storing the clothing database in advance;
wherein adjusting the transmission power of the millimeter wave transmitter based on the received thickness of the laundry includes: the smaller the value of the thickness of the clothes is, the lower the transmitting power of the adjusted millimeter wave transmitter is;
the clothes detection device, the type identification device and the thickness estimation device are realized by respectively selecting CPLD chips with different models based on respective maximum computation amount;
wherein the content storage device is further connected with the thickness estimation device and is used for storing the mapping relation between various target clothes types and the corresponding clothes thicknesses.
2. The handheld medical scanner power conditioning system of claim 1, wherein:
the content storage device, the type identification device, and the thickness estimation device are all disposed within a handheld medical scanner.
3. The handheld medical scanner power conditioning system of claim 2, wherein the system further comprises:
the rectangle fitting equipment is arranged in the handheld medical scanner, is connected with the embedded camera and is used for receiving the real-time captured image, identifying each object in the real-time captured image, performing rectangle fitting on the appearance of each object to obtain a corresponding extended rectangle, and performing rectangle fitting on the appearance of each object to obtain a corresponding extended rectangle, wherein the rectangle fitting equipment comprises: the outward-extending rectangle is the smallest rectangle capable of including the outline of the object;
wherein the objects are of various types present within a foreground region in the live-captured image.
4. The handheld medical scanner power conditioning system of claim 3, wherein the system further comprises:
and the area processing device is connected with the rectangle fitting device and used for sequencing the outward-extended rectangles of the objects based on the area sizes, taking the outward-extended rectangles with the central sequence numbers as the shapes of the segmentation windows and performing segmentation on the real-time captured image based on the shapes of the segmentation windows to obtain the sub-images.
5. The handheld medical scanner power conditioning system of claim 4, wherein the system further comprises:
the first acquisition equipment is connected with the area processing equipment and used for receiving each sub-image of the real-time captured image, taking the sub-image which completely belongs to the image background area in each sub-image as a target sub-image, and taking the sub-image which does not completely belong to the image background area in each sub-image as a non-target sub-image.
6. The handheld medical scanner power conditioning system of claim 5, said system further comprising:
and the second acquisition equipment is connected with the first acquisition equipment and is used for receiving each target sub-image output by the first acquisition equipment, analyzing the definition of each target sub-image and outputting each definition corresponding to each target sub-image.
7. The handheld medical scanner power conditioning system of claim 6, said system further comprising:
and the third acquisition equipment is connected with the second acquisition equipment and is used for carrying out mean value calculation on the remaining definitions after the maximum value and the minimum value are removed in all the definitions so as to obtain the definition to be processed.
8. The handheld medical scanner power conditioning system of claim 7, said system further comprising:
and the data processing equipment is connected with the third acquisition equipment and used for executing corresponding definition correction action on the real-time captured image based on the definition to be processed so as to obtain a corresponding image to be processed, and replacing the real-time captured image with the image to be processed and sending the image to be processed to the clothes detection equipment.
9. The handheld medical scanner power conditioning system of claim 8, wherein:
in the data processing device, the lower the definition to be processed is, the larger a corresponding definition correcting action is performed on the real-time captured image, so as to improve the definition of the real-time captured image.
10. The handheld medical scanner power conditioning system of claim 9, wherein:
in the area processing apparatus, the length and width of each of the sub-images obtained by the division are respectively equal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010050737.XA CN111184513B (en) | 2020-01-14 | 2020-01-14 | Power regulating system for hand-held medical scanner |
| GBGB2012144.8A GB202012144D0 (en) | 2020-01-14 | 2020-08-05 | Handheld medical scanner power adjustment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010050737.XA CN111184513B (en) | 2020-01-14 | 2020-01-14 | Power regulating system for hand-held medical scanner |
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| Publication Number | Publication Date |
|---|---|
| CN111184513A true CN111184513A (en) | 2020-05-22 |
| CN111184513B CN111184513B (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010050737.XA Active CN111184513B (en) | 2020-01-14 | 2020-01-14 | Power regulating system for hand-held medical scanner |
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| Country | Link |
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| CN (1) | CN111184513B (en) |
| GB (1) | GB202012144D0 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111803347A (en) * | 2020-07-03 | 2020-10-23 | 杨丽 | Lumbar vertebra health-care massage platform based on user clothing identification |
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2020
- 2020-01-14 CN CN202010050737.XA patent/CN111184513B/en active Active
- 2020-08-05 GB GBGB2012144.8A patent/GB202012144D0/en not_active Ceased
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Also Published As
| Publication number | Publication date |
|---|---|
| GB202012144D0 (en) | 2020-09-16 |
| CN111184513B (en) | 2020-11-10 |
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