CN114869494A - Automatic line drawing system and method before double-eyelid surgery based on visual identification - Google Patents
Automatic line drawing system and method before double-eyelid surgery based on visual identification Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000001356 surgical procedure Methods 0.000 title claims abstract description 23
- 230000000007 visual effect Effects 0.000 title claims description 35
- 210000000744 eyelid Anatomy 0.000 claims abstract description 124
- 238000005507 spraying Methods 0.000 claims abstract description 67
- 239000000049 pigment Substances 0.000 claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000013500 data storage Methods 0.000 claims abstract description 14
- 210000001508 eye Anatomy 0.000 claims description 23
- 239000007921 spray Substances 0.000 claims description 16
- 210000000720 eyelash Anatomy 0.000 claims description 6
- 230000037303 wrinkles Effects 0.000 claims description 6
- 238000007639 printing Methods 0.000 claims description 5
- 230000004397 blinking Effects 0.000 description 3
- 210000005252 bulbus oculi Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 206010000591 Acrochordon Diseases 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 231100000241 scar Toxicity 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 201000010251 cutis laxa Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000000465 moulding Methods 0.000 description 1
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- 230000035515 penetration Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
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- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
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Abstract
The invention discloses a vision recognition-based automatic line drawing system and method before double eyelid surgery, wherein the system comprises a color camera, a depth camera, a vision recognition module, a code spraying signal processing module, a data storage module and a pigment liquid code spraying machine, the color camera and the depth camera transmit collected data to the vision recognition module, the vision recognition module processes the data, the processing result is output to the code spraying signal processing module, the data is stored in the data storage module, the code spraying signal processing module plans a pigment line and code spraying time, and the pigment liquid code spraying machine is controlled to finish code spraying and drawing the pigment double eyelid line. The method completes the drawing of the double eyelid line through auxiliary equipment, has high accuracy, can automatically draw according to the face shape, and has high drawing efficiency.
Description
Technical Field
The invention relates to the technical field of medical instruments for double-eyelid surgery, in particular to a system and a method for automatically drawing lines before the double-eyelid surgery based on visual identification.
Background
The double eyelid operation is commonly called double eyelid operation, which is a plastic operation popular in east asia, and human eyelids (eyelids) can be divided into two categories: when the eyes are opened, the upper eyelid has no natural folds and is a single eyelid (monoeyelid), and the natural folds are double eyelids (double eyelids). The yellow race has less prominent eyes and the eyelids are thicker and heavier than other races, so nearly half of the population is single eyelids. The double eyelid is cut to cause double eyelids by artificially increasing folds, so that the eyes are more prominent, cannot be made larger, but can be made to look larger. As shown in fig. 1 and 2.
The operation mode comprises the following steps:
cutting method. It is a permanent double eyelid operation, in which a piece of skin and excess subcutaneous fat are cut off from the upper eyelid and then sutured. Meanwhile, other eye shaping can be performed. The method needs to cut the skin, the wound is slightly large, but the structure of the upper eyelid can be adjusted through the cut, the effect is reliable and durable, and the method is suitable for single eyelid under various conditions. The swelling can be relieved for a long time, and a linear scar can be left on the wound.
And (4) a wire embedding method. Also called polymer molding, which is to directly bury a suture (or a polymer suture) between the skin and the eyelid plate by a suture mode to lead the skin of the upper eyelid and the eyelid plate to be adhered to form the double eyelid operation. The method has the advantages of simple operation, small wound, no scar left, quick detumescence, no need of stitches removing, and suitability for light-aged people, thin eyelid, long eye fissure, and no skin relaxation; it is not suitable for patients with thick eyelid, loose skin and old age, and has possibility of disappearance of double eyelid operation.
And (4) a wire pressing method. Similar to the suture method, the mucosa is penetrated and sutured with the skin to form the double-fold eyelid operation. The continuous full-layer penetration suture of the upper eyelid blocks the backflow of blood vessels, so that the upper eyelid has obvious swelling and slow detumescence, and the possibility of disappearance of double eyelid operation is provided due to the need of removing stitches.
In the double eyelid surgery, no matter which method is used, the line drawing design is a crucial link, the opening and closing effects of the double eyelid after surgery are determined, the lower line of the double eyelid is designed, the height of the inner, middle and outer double eyelid lines is positioned, and the position of the starting point, the position of the ending point and the arc shape are positioned.
If the skin is loose, the eyebrow can be lifted to relax the skin, and then the upper line and the lower line of the double eyelid line are drawn, so that the redundant skin can be drawn.
If there is no skin relaxation, the lower line of the double eyelid line can be drawn directly.
It is then also essential to visually recognize the degree of relaxation of the skin.
The surgical risk:
double eyelid surgery can be said to be a small surgery that is difficult to control, so it is easy to make mistakes, and the common situations are: wrinkles appear or "eyelids". The reason is that the double-eyelid line is not designed according to the natural radian, and the tissue removal is not uniform, so the pre-operation design of the double-eyelid operation is particularly important.
The problems of the prior art are as follows:
the lines with natural radian are difficult to draw by manually drawing lines;
the requirements of preoperative drawing on doctor experience are high;
the preoperative manual line drawing cannot design an optimal line according to parameters such as eyelid depth and the like;
the manual drawing of lines is slow, and the blinking of eyelids and eyeball movement can cause the deformation of designed pigment lines, so that the efficiency is low and the accuracy is not high.
Disclosure of Invention
In order to solve the above problems, the invention provides a system and a method for automatically drawing a line before a double-eyelid operation based on visual recognition, the system and the method finish drawing the double-eyelid line through auxiliary equipment, the accuracy is high, the double-eyelid line can be automatically drawn according to the face shape, and the drawing efficiency is high.
The invention further aims to provide a system and a method for automatically drawing lines before double-eyelid surgery based on visual identification, which can accurately control and print reasonably natural pigment lines on eyelids of patients through the system, draw lines with natural radian, have beautiful appearance and reasonable appearance, and can automatically print the lines.
Still another object of the present invention is to provide a system and a method for automatically drawing lines before double-eyelid surgery based on visual recognition, which are non-contact and avoid the damage of the brush to the eyelid.
In order to achieve the above object, the technical solution of the present invention is as follows.
A visual recognition-based automatic line drawing system before double eyelid surgery comprises a color camera, a depth camera, a visual recognition module, a code spraying signal processing module, a data storage module and a pigment liquid code spraying machine;
the color camera is used for acquiring color images of double-side eyelids;
the depth camera is used for acquiring depth images of double-side eyelids;
the visual identification module is used for identifying human eyes, eyelids, eyelid fold positions, eyelid margins and eyelashes;
the code spraying signal processing module is used for designing a pigment line, planning code spraying starting time, duration and the shape of an expected formed eyelid pigment line;
the data storage module is used for storing patient information, a color camera image, a depth camera image, information identified by the visual identification module, pigment line information produced by the code spraying signal processing module and code spraying information;
the pigment liquid code spraying machine is used for spraying and printing pigment liquid on the eyelids in a designed reasonable shape on the eyelids on the two sides of the eyelids to form a pigment double eyelid line;
the color camera and the depth camera transmit collected data to the visual recognition module, the visual recognition module processes the data, a processing result is output to the code spraying signal processing module, the data are stored in the data storage module, the code spraying signal processing module plans a pigment line and code spraying time, and a pigment liquid code spraying machine is controlled to finish code spraying and pigment double eyelid line drawing.
The system further comprises the patient information module for collecting information of the patient; the patient information module is connected with the data storage module.
Further, the color cameras have two and shoot both eyes of the person, and the depth cameras have two and shoot both eyes of the person.
Furthermore, a position sensor is arranged on a spray head of the pigment liquid code spraying machine, and the position information of the spray head is transmitted to the code spraying signal processing module through the position sensor or the position information of the spray head.
A visual recognition-based automatic line drawing method before double eyelid surgery comprises the following steps:
step 101, a color camera respectively acquires color images of left and right eyelids, calculates the edges of the eyelids, the size angles and the distances between eyes and identifies eyelash boundaries;
102, respectively acquiring surface depth images of the left eyelid and the right eyelid by a depth camera, calculating eyelid surface curvature and performing three-dimensional reconstruction;
step 103, combining the eyelid curvature map obtained by processing, and judging the positions of eye fat, inner canthus skin tags and eyelid folds by a visual identification module;
and 104, calculating an optimal pigment line height curvature numerical value according to the eyelid curvature graph, the eyelid wrinkle position and the fat position obtained by the processing of the code spraying signal processing module and the visual recognition module, and controlling a pigment liquid code spraying machine to spray and print the pigment line on the eyelid.
In the step 104, the method further includes the step of calculating the pressure, the size and the direction of the spray head of the pigment liquid code spraying machine, by combining the distance between the spray head and the eyelid.
Further, the method also comprises the following steps:
and 105, automatically spraying the optimal pigment line by the system, and then sequentially spraying designed pigment lines in other forms after erasing the previous pigment line according to the operation of a doctor so as to meet the requirements of the patient.
Through the mode, the requirement of manual line drawing on doctor experience can be reduced, errors are avoided, the situations of wrinkles, three-fold eyelids, two-eye asymmetry, unsatisfactory radian and the like after an operation are avoided, and the double-eyelid line which meets the radian and the width required by a patient is drawn.
The invention has the beneficial effects that:
1. lines with natural radian can be drawn through the system;
2. the system finishes the drawing of the pigment double eyelid line, and reduces the requirements on the experience of doctors;
3. an optimal line can be designed according to parameters such as eyelid shapes and the like;
4. the invention can design the double eyelid line with reasonable and natural radian, symmetrical eyes, beautiful and reasonable appearance, and automatic spray printing;
5. the eyelid is protected from being damaged by the paintbrush in a non-contact mode;
6. the drawing speed is high, and the drawing is accurate; the system can finish drawing the double-eyelid line within 100ms, the efficiency is improved, and the deformation of the color line caused by the blinking of the eyelid and the movement of the eyeball during manual drawing is avoided.
Drawings
Fig. 1 is an exploded view of the whole flow of the existing double-eyelid operation.
Fig. 2 is a drawing of a medical practitioner planning before a prior art double-eyelid surgery.
Fig. 3 is a schematic view of a line striping system embodying the present invention.
Fig. 4 is a block diagram of a line drawing system implemented by the present invention.
Fig. 5 is a flow chart of an automatic line drawing method implemented by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 3-4 illustrate a pre-operation self-animation line system for double-eyelid surgery based on visual recognition, which is implemented by the present invention, fig. 3 illustrates that the system plans a part to be operated by recognizing the eyelid and controls the drawing of equipment;
the system of the invention is specifically realized as shown in fig. 4, and comprises a patient information module, a color camera, a depth camera, a visual identification module, a code spraying signal processing module, a data storage module and a pigment liquid code spraying machine; wherein:
the patient information module is used for registering patient information; the patient information module is connected with the data storage module;
the color camera is used for acquiring color images of double-side eyelids;
the depth camera is used for acquiring depth images of double-side eyelids;
the visual identification module is used for identifying human eyes, eyelids, eyelid fold positions, eyelid margins and eyelashes;
the code spraying signal processing module is used for designing a pigment line, planning code spraying starting time, duration and the shape of an expected formed eyelid pigment line;
the data storage module is used for storing patient information, a color camera image, a depth camera image, information identified by the visual identification module, pigment line information produced by the code spraying signal processing module and code spraying information;
the pigment liquid code spraying machine is used for spraying and printing pigment liquid on the eyelids in a designed reasonable shape on the eyelids on the two sides of the eyelids to form a pigment double eyelid line;
the color camera and the depth camera transmit collected data to the visual recognition module, the visual recognition module processes the data, a processing result is output to the code spraying signal processing module, the data are stored in the data storage module, the code spraying signal processing module plans a pigment line and code spraying time, and a pigment liquid code spraying machine is controlled to finish code spraying and pigment double eyelid line drawing.
Typically, the color cameras have two, taking pictures for both eyes of the person, while the depth cameras have two, also taking pictures for both eyes of the person.
In order to accurately acquire the position information of the spray head so as to facilitate spraying, a position sensor is arranged on the spray head of the pigment liquid code spraying machine, and the position information of the spray head is transmitted to a code spraying signal processing module through the position sensor or the position information of the spray head.
Fig. 5 shows that the automatic line drawing method before the double-eyelid surgery based on visual identification, which is implemented by the invention, comprises the following steps:
step 101, a color camera respectively acquires color images of left and right eyelids, calculates the edges of the eyelids, the size angles and the distances between eyes and identifies eyelash boundaries;
102, respectively acquiring surface depth images of the left eyelid and the right eyelid by a depth camera, calculating eyelid surface curvature and performing three-dimensional reconstruction;
step 103, combining the eyelid curvature map obtained by processing, and judging the positions of eye fat, inner canthus skin tags and eyelid folds by a visual identification module;
and 104, the code spraying signal processing module calculates the pressure, the size and the direction of the spray head to be sprayed according to the distance between the spray head and the eyelid, the eyelid curvature graph, the eyelid wrinkle position and the fat position which are obtained by processing of the visual recognition module, the optimal height curvature value of the pigment line and the pigment line spray-printed on the eyelid.
And 105, automatically spraying the optimal color line by the system, and then sequentially spraying the designed color lines in other forms after erasing the previous color line according to the operation of a doctor so as to meet the requirements of a user.
Through the mode, the requirement of manual line drawing on doctor experience can be reduced, errors are avoided, the situations of wrinkles, three-fold eyelids, two-eye asymmetry, unsatisfactory radian and the like after an operation are avoided, and the double-eyelid line which meets the radian and the width required by a patient is drawn.
The invention has the following effects:
1. lines with natural radian can be drawn through the system;
2. the system finishes the drawing of the pigment double eyelid line, and reduces the requirements on the experience of doctors;
3. an optimal line can be designed according to parameters such as eyelid curvature and the like;
4. the invention can design the double eyelid line with reasonable and natural radian, symmetrical eyes, beautiful and reasonable appearance, and automatic spray printing;
5. the damage of the brush to the eyelid is avoided in a non-contact mode;
6. the drawing speed is high, and the drawing is accurate; the system can finish drawing lines within 100ms, the efficiency is improved, and the deformation of the color line caused by blinking of eyelids and movement of eyeballs during manual drawing is avoided.
The present invention is not limited to the above preferred embodiments, but includes all modifications, equivalents, and improvements within the spirit and scope of the present invention.
Claims (7)
1. A vision recognition-based automatic line drawing system before double eyelid surgery comprises a color camera, a depth camera, a vision recognition module, a code spraying signal processing module, a data storage module and a pigment liquid code spraying machine;
the color camera is used for acquiring color images of double-side eyelids;
the depth camera is used for acquiring depth images of double-side eyelids;
the visual identification module is used for identifying human eyes, eyelids, eyelid fold positions, eyelid edges and eyelashes;
the code spraying signal processing module is used for designing a pigment line, planning code spraying starting time, duration and the shape of an expected formed eyelid pigment line;
the data storage module is used for storing patient information, a color camera image, a depth camera image, information identified by the visual identification module, pigment line information produced by the code spraying signal processing module and code spraying information;
the pigment liquid code spraying machine is used for spraying and printing pigment liquid on the eyelids in a designed reasonable shape on the eyelids on the two sides of the eyelids to form a pigment double eyelid line;
the color camera and the depth camera transmit acquired data to the visual recognition module, the visual recognition module processes the data, a processing result is output to the code spraying signal processing module, the data are stored in the data storage module, the code spraying signal processing module plans a pigment line and code spraying time, and a pigment liquid code spraying machine is controlled to spray codes to draw the pigment double-eyelid line.
2. The system and method for automatically drawing lines before double-eyelid surgery based on visual identification as claimed in claim 1, wherein the system further comprises a patient information module for collecting information of the patient; the patient information module is connected to the data storage module.
3. The system and method for automatically drawing lines before double eyelid surgery based on visual recognition as claimed in claim 1, wherein the color cameras have two for photographing both eyes of the person, and the depth cameras have two for photographing both eyes of the person.
4. The automatic line drawing system and method before the double-eyelid surgery based on the visual identification as claimed in claim 1, wherein a position sensor is disposed on a nozzle of the pigment liquid spraying machine, and the position information of the nozzle is transmitted to the code spraying signal processing module through the position sensor or the position information of the nozzle.
5. A visual recognition-based automatic line drawing method before double-eyelid surgery is characterized by comprising the following steps:
step 101, respectively acquiring eyelid color images by a color camera, calculating eyelid edges, eye corner size angles and eye distances, and identifying eyelash boundaries;
102, respectively acquiring surface depth images of the left eyelid and the right eyelid by a depth camera, calculating the surface curvature of the eyelid and performing three-dimensional reconstruction;
step 103, combining the eyelid curvature map obtained by the processing, and judging the positions of the eye fat, the inner canthus excrescence skin and the eyelid fold by a visual identification module;
and step 104, a code spraying signal processing module, a vision identification module, an eyelid curvature graph, an eyelid wrinkle position and a fat position which are obtained by processing, an optimal pigment line height curvature numerical value is calculated, and a pigment liquid code spraying machine is controlled to spray and print the pigment line on the eyelid.
6. The automatic line drawing method before the double-eyelid surgery based on the visual identification as claimed in claim 5, wherein in the step 104, the method further comprises the step of calculating the pressure, the size and the direction of the spraying nozzle of the pigment liquid spraying machine according to the distance between the spraying nozzle and the eyelid.
7. The method for automatically drawing lines before double-eyelid surgery based on visual identification as claimed in claim 5, wherein the method further comprises:
and 105, automatically spraying the optimal color line by the system, and then sequentially spraying the designed color lines in other forms after erasing the previous color line according to the operation of a doctor so as to meet the requirements of a user.
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| CN202210364423.6A CN114869494A (en) | 2022-04-08 | 2022-04-08 | Automatic line drawing system and method before double-eyelid surgery based on visual identification |
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| CN202210364423.6A CN114869494A (en) | 2022-04-08 | 2022-04-08 | Automatic line drawing system and method before double-eyelid surgery based on visual identification |
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2022
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| US20100142755A1 (en) * | 2008-11-26 | 2010-06-10 | Perfect Shape Cosmetics, Inc. | Method, System, and Computer Program Product for Providing Cosmetic Application Instructions Using Arc Lines |
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