CN111028251B - Dental picture cropping method, system, equipment and storage medium - Google Patents
Dental picture cropping method, system, equipment and storage medium Download PDFInfo
- Publication number
- CN111028251B CN111028251B CN201911377912.XA CN201911377912A CN111028251B CN 111028251 B CN111028251 B CN 111028251B CN 201911377912 A CN201911377912 A CN 201911377912A CN 111028251 B CN111028251 B CN 111028251B
- Authority
- CN
- China
- Prior art keywords
- picture
- point
- frame
- pictures
- points
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/11—Region-based segmentation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
- G06T2207/30036—Dental; Teeth
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention discloses a method, a system, equipment and a storage medium for cutting out dental pictures, wherein the method comprises the steps of (1) obtaining N pictures required by a patient for visiting the dental department, wherein N is more than or equal to 1, preprocessing the N pictures and sorting the N pictures; (2) Marking the characteristic points of each picture according to the sequence, and generating a cutting frame according to the marking points; (3) cropping the picture according to the cropping frame. The invention cuts the pictures through the characteristic points of the dental pictures, replaces the traditional manual cutting, improves the cutting efficiency, can be applied to the requirements of cutting before the dental pictures of patients are arranged in stomatology, and reduces the labor intensity of medical staff.
Description
Technical Field
The invention belongs to the technical field of dental picture processing, and particularly relates to a dental picture cropping method, a system, equipment and a storage medium.
Background
Dental photographs of a patient need to be taken in the mouth, whether for dental treatment or orthodontic. In order to facilitate the viewing of the medical staff, the obtained photo needs to be cut to a designated position, for example, the picture of the teeth of the maxillofacial teeth is only needed to be taken, and other information is not needed. At present, most dentists manually trim the dentists, so that the effects after trimming can be maintained, but the dentists take time and labor.
Disclosure of Invention
The invention aims to provide a method, a system, equipment and a storage medium for cutting out a dental picture, which replace the traditional manual cutting out, can ensure the cutting out effect and improve the cutting out efficiency.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a method of cropping a dental picture, comprising the steps of:
(1) Acquiring N pictures required by a patient to visit dentistry, wherein N is more than or equal to 1, and sorting the N pictures after pretreatment;
(2) Marking the characteristic points of each picture according to the sequence, and generating a cutting frame according to the marking points;
(3) And cutting the picture according to the cutting frame.
Further, the preprocessing refers to processing the resolution of the N pictures according to the resolution of at least one picture of the N pictures; the picture is then rotated to the correct orientation.
Further, the classification refers to classification according to whether the picture content contains face information, the picture sorting containing the face information refers to sorting from large to small by the number of the face information, and the picture sorting not containing the face information refers to sorting from large to small by the number of the teeth.
Further, the feature points of the picture containing the facial information comprise a mid-point of the tragus, a mid-point of the apodization, a mid-point of the outer canthus, a mid-point of the inner canthus, a mid-point of the pupil, a nose tip point, a nose bottom point, a eyebrow outer edge point, a eyebrow inner edge point, a mouth corner point and a chin point.
Further, the characteristic points of the picture which does not contain facial information comprise a contact point of the labial side of the central incisor, a far middle point of the second molar, a nipple point of the central incisor, a nipple point of the buccal side gingiva of the first or second molar, a farthest middle point of occlusion, a contact point of the central incisor, a highest point of the gingival margin of the central incisor and a high-low point of the gingival margin of the central incisor.
Further, at least two feature points are marked, a horizontal line and a vertical line are established by the two feature points, and then the horizontal line and the vertical line are moved for a certain distance to form a cutting frame.
Further, a rectangular feature frame capable of containing all feature points is generated according to the feature points, and the feature frame is scaled with the preset picture size in equal proportion to form a clipping frame.
The invention also provides a dental picture cropping system for realizing the dental picture cropping method according to the claims, which comprises the following steps:
the image preprocessing module is used for acquiring N pictures required by the patient for the dentistry, wherein N is more than or equal to 1, and the N pictures are preprocessed and then sorted in a classified manner;
the characteristic point marking module is used for marking the characteristic points of each picture according to the sequence; the feature points are points in the picture that are clearly identifiable and that contribute to the generation of the crop box.
And the cutting frame determining module is used for generating a cutting frame according to the characteristic points, wherein the generation of the cutting frame refers to the fact that at least two characteristic points move a certain distance and then are enclosed to form a rectangular frame.
And the image clipping module is used for clipping the image according to the clipping frame.
The present invention also provides an image cropping device comprising:
a processing unit in which an execution instruction is configured, the execution instruction executing the steps of the dental picture cropping method described above;
and the storage unit is used for storing executable instructions of the processing unit.
The present invention also provides a computer-readable storage medium storing a program which is a step of the dental picture cropping method described above when executed.
The invention cuts the pictures through the characteristic points of the dental pictures, replaces the traditional manual cutting, improves the cutting efficiency, can be applied to the requirements of cutting before the dental pictures of patients are arranged in stomatology, and reduces the labor intensity of medical staff.
Drawings
FIG. 1 is a flow chart of an intelligent image clipping method according to the present invention.
FIG. 2 is a schematic diagram of an intelligent cropping system according to the present invention.
FIG. 3 is a schematic diagram of an intelligent image cropping device according to the present invention.
FIG. 4 is a schematic diagram of a computer readable storage medium of the present invention.
Fig. 5 is a picture of the occlusal surface of the upper jaw of the present invention.
Fig. 6 is a picture of the occlusal surface of the mandible of the present invention.
Fig. 7 is a front jaw occlusal image of the present invention.
Fig. 8 is a right jaw bite surface picture of the present invention.
Fig. 9 is a left occlusal view of the present invention.
Fig. 10 is a photograph of an occlusal surface of the present invention.
Detailed Description
Example 1
The embodiment provides a dental picture cutting method, wherein a dental picture is a picture taken by a patient when the patient is in oral treatment or orthodontic treatment, and the picture comprises a front face picture, a 45-degree side image, a 90-degree side image, a front smile picture, a 45-degree side smile picture, a 90-degree side smile picture, a maxillary occlusal surface picture, a mandibular occlusal surface picture, a front occlusal picture, a left occlusal picture, a right occlusal picture and a side covering picture. The photos are all taken manually, the taken photos are irregular, and the photos are required to be cut into uniform sizes, so that doctors can conveniently view and compare the photos.
The embodiment is to make a clipping frame to clip a picture based on some feature points in facial information and tooth information, and specifically includes the following steps:
(1) Acquiring N pictures required by a patient to visit dentistry, wherein N is more than or equal to 1, and sorting the N pictures after pretreatment; the preprocessing refers to processing the resolution of the pictures and the direction of the images, the resolution processing refers to processing the resolution of the N pictures according to the resolution of at least one picture in the N pictures, namely, the resolutions of all the pictures are unified, so that the information displayed by the pictures which are cut later is consistent, and the difference of the resolutions is avoided; then, adjusting the direction of the picture, wherein the direction is correct according to the normal cognition, such as the picture containing the face information is top, the picture containing the tooth information is top, and the like, the classification refers to classification according to the information containing the face, the main dental picture is a head picture and a tooth picture, the head picture refers to the picture containing the face, the tooth picture refers to the picture only containing the teeth, the teeth are exposed when the person smiles, the picture contains the teeth and the face information, and the picture containing the face information is classified; specifically, the picture containing teeth refers to a front face picture, a 45-degree side image, a 90-degree side image, a front smile picture, a 45-degree side smile image and a 90-degree side smile image; the pictures (tooth pictures) which do not contain facial information are an upper jaw occlusal surface picture, a lower jaw occlusal surface picture, a front occlusal picture, a left occlusal picture, a right occlusal picture and a side covering picture. The ranking refers to that pictures of face information and teeth pictures are necessarily arranged together in order according to the preceding containing face information or the preceding not containing face information.
(2) Marking the characteristic points of each picture according to the sequence, and generating a cutting frame according to the marking points; the sorting refers to marking the feature points of each sheet in sequence and generating a cutting frame according to the feature points. The feature points are points which can be obviously identified in the picture, and the points are helpful for generating a clipping frame; according to the characteristics that the pictures containing the face information and the pictures not containing the face information are marked differently, the unique characteristic points of each picture can be marked according to the specific picture, and the specific characteristic points are as follows:
marking points common to pictures containing facial information: mid-point of tragus, mid-point of hairline, outer canthus, inner canthus, mid-point of pupil, nose tip, nose bottom, outer edge of eyebrow, inner edge of eyebrow, mouth corner point and under chin point. Taking pupil midpoint and under chin point as examples to generate the cutting frame; (a) a frontal face picture and a frontal smile picture: generating the cropping frame through a horizontal line where a line connecting two pupil midpoints is located and a vertical line where a chin point is located, (b) a 45 ° side image and a 45 ° side smile image: generating the clipping frame through a horizontal line where a connecting line of two pupil midpoints is located and a vertical line where a chin point is located, (c) a 90-degree side image and a 90-degree side smile image; the cutting frame is generated through a horizontal line where the midpoint of the pupil is located and a vertical line where the chin point is located, specifically, the cutting frame is an upper frame and a lower frame which are generated after the horizontal line moves up and down by a certain distance respectively, the left frame and the right frame are generated after the vertical line moves left and right by a certain distance respectively, and the upper frame, the lower frame, the left frame and the right frame are enclosed to form the cutting frame. The certain distance is determined according to the resolution ratio of the pictures, so that the cut pictures meet the requirements of medical staff, the moving distance of each picture can be unequal, and the setting can be specifically performed according to the pictures.
The clipping frame of the picture containing the information of the face may also be generated by other feature points, only according to the line where the marked feature points are located, the moving distance may be different, and the moving distance may be set according to the distance from the feature point to the frame, where (a) a front face picture and a front smile picture: midpoint of hair margin, root of nose point, inner canthus point, inter-nasal point, mouth point and anterior auricular point, (b)) 45 ° side image and 45 ° side smile image: midpoint of hair margin, nasion point, inner canthus point, inter-nasion point, mouth point, anterior auricular point, mandibular corner point and eyebrow outer edge point; (c) 90 ° side image and 90 ° side smile image: the midpoint of the hair margin, the root point of the nose, the forehead point, the inner canthus point, the point between the nose, the mouth point, the point in front of the ear, the mandibular point, the outer edge point of the eyebrow and the neck point are not all listed in this example, but only a few points which are obvious are listed, and the characteristic points which can be passed by the line where any point is located can be used as the characteristic points in this embodiment.
Mark points common to the upper and lower occlusal pictures containing no facial information: a mesial labial contact, a second molar distal midpoint, a mesial papilla, a buccal gingival papilla of the first or second molar; the teeth are positioned on the upper jaw or the lower jaw, and the recognition is that the middle incisors and the molars of the upper jaw or the lower jaw are recognized, and the molars also respectively comprise the molars on the left side and the right side. Taking the mid-incisor labial side contact and the second molar distal midpoint as examples, (d) maxillary bite picture: the horizontal line where the contact points of the side of the middle incisor lip are positioned and the vertical line where the far midpoints of the second molar on the left side and the right side of the upper jaw are positioned, the upper frame and the lower frame are generated by moving a certain distance from the horizontal line up and down, the left frame is left-moved by a certain distance from the left vertical line, and the right frame is right-moved by a certain distance from the right vertical line; (e) mandibular bite picture: the upper and lower frames are generated by moving a certain distance from the horizontal line, the left vertical line is left moved by a certain distance to form a left frame, and the right vertical line is right moved by a certain distance to form a right frame; the upper frame, the lower frame, the left frame and the right frame are enclosed to form a cutting frame.
It should be noted that, nipple points, buccal sulcus points, side gingival nipple points and the like of each tooth of the occlusal surfaces of the upper and lower jaws can all act as characteristic points of the embodiment, and the distances of the corresponding characteristic points are different, so that cutting of different pictures can be realized.
(d) The upper jaw occlusion picture is shown in fig. 5, fig. 5 is a upper jaw picture and marked characteristic points, wherein all characteristic points of upper jaw are marked in the picture, and the characteristic points are 1 and far midpoint of right upper jaw 7; 2. the right maxillary 7 buccal sulcus point; 3. the buccal gingival papillary point of the right maxilla 67; 4. the far midpoint of the right upper jaw 6; 5. the gingival papillary point on the palate side of the right maxilla 67; 6. the right upper jaw 6 is near the junction of the middle groove and the cheek groove; 7. the far midpoint of the right upper jaw 5; 8. the right upper jaw 56 buccal gingival papillary point; 9. the right maxillary 56 palate side gingival papillary point; 10. the central groove point of the right upper jaw 4; 11. the far midsurface point of the right upper jaw 3; 12. the labial gingival papillary point of the right maxilla 12; 13. the right maxillary 12 palate side gingival papillary point; 14. midpoint of labial surface of right upper jaw 1; 15. a contact point on the lip side of the upper jaw 1; 16. mid-point of 1 labial plane in left upper jaw; 17. maxillary 1 palate side gingival papillary point; 18. the labial gingival papillary point of the left maxilla 12; 19. left maxillary 12 palate side gingival papillary point; 20. the far midpoint of the left upper jaw 3; 21. the central sulcus point of the left upper jaw 4; 22. the far midpoint of the left upper jaw 5; 23. the left upper jaw 56 buccal gingival papillary point; 24. left upper jaw 56 palate side gingival papillary point; 25. the left upper jaw 6 is near the junction of the middle groove and the cheek groove; 26. the left upper jaw 67 buccal gingival papillary point; 27. the far midpoint of the left upper jaw 6; 28. left maxillary 67 palate side gingival papillary point; 29. the left maxillary 7 buccal sulcus point; 30. the far midpoint of the left upper jaw; 31. incisor papilla points; 32. anterior points of the palate midsuture; 33. posterior point of the palatine suture.
(e) The mandibular occlusal image is shown in fig. 6, fig. 6 is a mandibular image and marked feature points, which are 1, the far midpoint of the left mandible 7; 2. the left mandible 7 buccal sulcus point; 3. left jaw 67 buccal gingival papillary point; 4. lingual gingival papillary points of the left mandible 67; 5. the left mandible 7 is far from the mid-cheek cusp; 6. the left mandible 7 is near the mid-cheek cusp; 7. the far middle tongue tip of the left mandible 7; 8. the left mandible 7 is close to the mid-lingual cusp; 9. the left mandible 6 is far from the mid-cheek cusp; 10. the left mandible 6 is near the mid-cheek cusp; 11. the far middle tongue tip of the left mandible 6; 12. the point of the left mandible 6 near the middle tongue tip; 13. the left mandible 6 karman cusp; 14. the left mandible 56 buccal gingival papillary site; 15. lingual gingival papillary points of the left mandible 56; 16. the left mandible 5 buccal cusp; 17. the tongue tip of the left mandible 5; 18. the left mandible 4 buccal cusp; 19. the tongue point of the left mandible 4; 20. left mandible 3 cusps; 21. the far midmandibular point 2; 22. the labial gingival papillary point of the left mandible 12; 23. the left mandible 2 is near the midcut point; 24. lingual gingival papillary points of the left mandible 12; 25. the far midmandibular point 1; 26. the left mandible 1 is near the midcut point; 27. midpoint of labial surface of right mandible 1; 28. a mandibular 1 labial side contact; 29. the lingual gingival papillary site of the mandible 1; 30. the right mandible 1 is near the midcut point; 31. mid-point of labial surface of right mandible; 32. the far midmandibular point 1; 34. the labial gingival papillary site of the right mandible 12; 35. lingual gingival papillary points of the right mandible 12; 6. the right mandible 2 is near the midcut point; 37. the far midmandibular point 2; 38. right mandible 3 cusps; 39. the right mandible 4 buccal cusp; 40. the tongue point of the right mandible 4; 41. the 5 buccal cusps of the right mandible; 42. the tongue tip of the right mandible 5; 43. the right mandible 56 buccal gingival papillary site; 4. lingual gingival papillary points of the right mandible 56; 45. the right mandible 6 is near the middle buccal tip; 46. the right mandible 6 is distal to the middle buccal tip; 47. the right mandible 6 is near the middle tongue tip; 48. the right mandible 6 is far from the middle tongue tip; 49. the right mandible 6 karma tip; 50. the buccal gingival papillary point of the right mandible 67; 51. lingual gingival papillary points of the right mandible 67; 52. the right mandible 7 is near the middle buccal tip; 53. the right mandible 7 is distal to the middle buccal tip; 54. the right mandible 7 is near the middle tongue tip; 55. the right mandible 7 is far from the middle tongue tip; 56. the right mandible 7 buccal sulcus point; 57. the far midpoint of the right mandible 7.
Common feature points of the front, left and right pictures when the face information pictures are meshed are not included: the middle point of the occlusion, the contact point of the middle incisor, the highest point of the gingival margin of the middle incisor and the high and low points of the gingival margin of the middle incisor; likewise, the right and left sides of the bite have the farthest midpoint, taking the contact point of the bite of the farthest midpoint and the central incisor as an example, (f) front bite picture: a vertical line where the farthest middle point of the occlusion of the left side and the right side is respectively moved to the left side and the right side for a certain distance, a horizontal line where the contact point of the middle incisor is respectively moved upwards or downwards for a certain distance, an upper frame and a lower frame are generated, and the upper frame, the lower frame, the left frame and the right frame are enclosed to form a cutting frame; (g) right snap photograph: the upper frame and the lower frame are generated after the horizontal line and the vertical line where the contact point of the middle incisor is positioned are respectively moved upwards or downwards by a certain distance, the left frame is generated after the vertical line is moved leftwards by a certain distance, the right frame is generated after the vertical line where the farthest midpoint of the left occlusion is positioned is moved leftwards by a certain distance, and the upper frame, the lower frame, the left frame and the right frame are enclosed to form a cutting frame; (h) right snap photograph: the upper frame and the lower frame are generated after the horizontal line and the vertical line where the contact point of the middle incisor is positioned are respectively moved upwards or downwards by a certain distance, the left frame is generated after the vertical line is moved leftwards by a certain distance, the right frame is generated after the vertical line where the midpoint of the farthest right occlusion is positioned is moved leftwards by a certain distance, and the cutting frame is enclosed by the upper frame, the lower frame, the left frame and the right frame.
It should be noted that, the highest point of the gingival margin, the lowest point of the gingival margin, the far-middle contact point, the gingival papilla and the like of each tooth on the picture after occlusion can be used as the characteristic points of the embodiment, and the corresponding characteristic points move different distances, so that the cutting of different pictures can be realized.
(f) The front occlusion picture is shown in fig. 7, and fig. 7 shows the front occlusion and marked characteristic points which are the furthest midpoints of the gingival margin of the right upper jaw and 1; 2. right bite furthest midpoint; 3. the right mandibular bite is the furthest midpoint; 4. upper right 6 near cheek abduction gap; 5. 2 the highest point of the gingival margin; 6. the lowest point of the lower 2 gingival margin; 7. the gingival papilla between 1 and 2 on the right; 8. upper right 1 far-middle contact point; 9. the highest point of the upper right 1 gingival margin; 10. the highest point of the upper left 1 gingival margin; 11. the gingival papilla 1 is arranged on the upper part; 12. upper 1 near-mid contact point; 13. the gingival papilla between 1 and 2 parts below the right; 14. upper 1 near the middle cutting corner point; 15. the gingival papilla between 1 and 2 of the lower left; 16. the gingival papilla is arranged at the lower 1; 17. the lowest point of the lower right 1 gingival margin; 18. the lowest point of the left lower 1 gingival margin; 19. the gingival papilla 1 and 2 on the left; 20. upper left 1 far-middle contact point; 21. 3 highest points of gingival margin; 22. upper left 6 near cheek abduction gap; 23. 3, upper lip surface appearance high points; 24. the furthest midpoint of the left maxillary gingival margin; 25. the furthest midpoint of the left bite; 26. the left mandible is occlusally furthest at the midpoint.
(g) The right bite picture is shown in fig. 8, and fig. 8 shows the right bite and marked feature points, which are the furthest midpoints of the gingival margin of the left upper jaw and 1; 2. the furthest midpoint of the left bite; 3. the furthest midpoint of the left mandibular bite; 4. the highest point of the left upper first grinding gum edge; 5. the upper left first molar distal to the middle buccal tip; 6. the left lower first molar distal cheek abduction gap; 7. the upper left first molar is near the middle buccal tip; 8. the upper left second premolars highest point at the gingival margin; 9. the highest point of the left lower second front grinding gingival margin; 10. the upper left cuspid far-middle contact point; 11. the highest point of the upper left sharp gingival margin; 12. the highest point of the left lower sharp gingival margin; 13. the highest point of the gingival margin of the upper left incisor; 14. the lowest point of the left lower incisor gingival margin; 15. the left upper middle incisor is far from the middle labial abduction gap; 16. the highest point of the gingival margin of the upper left middle incisor; 17. upper middle incisor gingival papillae; 18. the highest point of the gingival margin of the upper right middle incisor; 19. upper mesial contact point; 20. the lowest point of the cutting edge of the right upper middle incisor; 21. the lowest point of the gingival margin of the right lower middle incisor; 22. lower right middle incisors, side incisors, gingival papillae; 23. the lower right side cuts the lowest point of the gingival margin.
(h) The left bite image is shown in fig. 9, and fig. 9 shows the left bite and marked feature points, which are the furthest midpoints of the gingival margin of the left upper jaw and 1; 2. the furthest midpoint of the left bite; 3. the furthest midpoint of the left mandibular bite; 4. the highest point of the left upper first grinding gum edge; 5. the upper left first molar distal to the middle buccal tip; 6. the left lower first molar distal cheek abduction gap; 7. the upper left first molar is near the middle buccal tip; 8. the upper left second premolars highest point at the gingival margin; 9. the highest point of the left lower second front grinding gingival margin; 10. the upper left cuspid far-middle contact point; 11. the highest point of the upper left sharp gingival margin; 12. the highest point of the left lower sharp gingival margin; 13. the highest point of the gingival margin of the upper left incisor; 14. the lowest point of the left lower incisor gingival margin; 15. the left upper middle incisor is far from the middle labial abduction gap; 16. the highest point of the gingival margin of the upper left middle incisor; 17. upper middle incisor gingival papillae; 18. the highest point of the gingival margin of the upper right middle incisor; 19. upper mesial contact point; 20. the lowest point of the cutting edge of the right upper middle incisor; 21. the lowest point of the gingival margin of the right lower middle incisor; 22. lower right middle incisors, side incisors, gingival papillae; 23. the lower right side cuts the lowest point of the gingival margin.
(i) The teeth are covered with pictures, and the characteristic points marked in fig. 10 are 1, and the far-middle contact point of the upper cuspid teeth; 2. the highest point of the gingival margin of the maxillary tip; 3. the mesial contact point of the maxillary cuspids; 4. maxillary lateral incisor mesial contact points; 5. the upper jaw middle incisors are far and middle incisors; 6. the anterior teeth are the most convex points.
(3) And cutting the picture according to the cutting frame, and obtaining the picture required by the embodiment after cutting, wherein the picture meets the requirements of medical staff, and no redundant part influences the judgment of the medical staff on teeth.
From the description of the above embodiments, it will be clear to a person skilled in the art that the method according to the above embodiments may be implemented by means of software plus the necessary general hardware platform, but of course also by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising several instructions for causing a terminal device (which may be a mobile phone, a computer, a server or a network device, etc.) to perform the method of the various embodiments of the present invention.
Example 2
The embodiment is basically the same as embodiment 1, but only the formation of the clipping frame is changed, the clipping frame is generated by moving the clipping frame by a certain distance along the corresponding directions through the lines of the four feature points located in the upper, lower, left and right of the picture, and the corresponding directions are upward movement, downward movement, left and left movement and right movement; the feature points include all the feature points described in embodiment 1, and any point in four directions is marked, so as to implement the generation of the clipping frame described in this embodiment.
Example 3
The present embodiment is basically the same as embodiment 1, except that the forming of the trimming frame is changed, the trimming frame is set by implementing the setting of the size of the trimming frame, the size of the trimming frame is related to a specific picture, the size of the trimming frame is related to the resolution of the picture, the size of the trimming frame is directly related to the resolution, the trimming frame is moved left and right and up and down on the picture by implementing the setting of the trimming frame, all the feature points can be contained in the positions of the trimming frame as the positions of the trimming frame which are finally determined, and the picture is trimmed according to the trimming frame according to the finally determined positions. The more feature points at the edges are identified, the more advantageous the position of the crop box is to be determined last.
Example 4
The present embodiment provides a dental image clipping system for implementing the dental image clipping method, the system including:
the image preprocessing module is used for acquiring N pictures required by the patient for the dentistry, wherein N is more than or equal to 1, and the N pictures are preprocessed and then sorted in a classified manner; the preprocessing refers to processing the resolution of the pictures and the direction of the images, the resolution processing refers to processing the resolution of the N pictures according to the resolution of at least one picture in the N pictures, namely, the resolutions of all the pictures are unified, so that the information displayed by the pictures which are cut later is consistent, and the difference of the resolutions is avoided; then, adjusting the direction of the picture, wherein the direction is correct according to the normal cognition, such as the picture containing the face information is top, the picture containing the tooth information is top, and the like, the classification refers to classification according to the information containing the face, the main dental picture is a head picture and a tooth picture, the head picture refers to the picture containing the face, the tooth picture refers to the picture only containing the teeth, the teeth are exposed when the person smiles, the picture contains the teeth and the face information, and the picture containing the face information is classified; specifically, the picture containing teeth refers to a front face picture, a 45-degree side image, a 90-degree side image, a front smile picture, a 45-degree side smile image and a 90-degree side smile image; the pictures (tooth pictures) which do not contain facial information are an upper jaw occlusal surface picture, a lower jaw occlusal surface picture, a front occlusal picture, a left occlusal picture, a right occlusal picture and a side covering picture. The ranking refers to that pictures of face information and teeth pictures are necessarily arranged together in order according to the preceding containing face information or the preceding not containing face information.
The characteristic point marking module is used for marking the characteristic points of each picture according to the sequence; the feature points are points in the picture that are clearly identifiable and that contribute to the generation of the crop box.
And the cutting frame determining module is used for generating a cutting frame according to the characteristic points, wherein the generation of the cutting frame refers to the fact that at least two characteristic points move a certain distance and then are enclosed to form a rectangular frame.
And the image clipping module is used for clipping the image according to the clipping frame.
Specifically, a clipping frame is generated according to the feature points:
marking points common to pictures containing facial information: mid-point of tragus, mid-point of hairline, outer canthus, inner canthus, mid-point of pupil, nose tip, nose bottom, outer edge of eyebrow, inner edge of eyebrow, mouth corner point and under chin point. Taking pupil midpoint and under chin point as examples to generate the cutting frame; (a) a frontal face picture and a frontal smile picture: generating the cropping frame through a horizontal line where a line connecting two pupil midpoints is located and a vertical line where a chin point is located, (b) a 45 ° side image and a 45 ° side smile image: generating the clipping frame through a horizontal line where a connecting line of two pupil midpoints is located and a vertical line where a chin point is located, (c) a 90-degree side image and a 90-degree side smile image; the cutting frame is generated through a horizontal line where the midpoint of the pupil is located and a vertical line where the chin point is located, specifically, the cutting frame is an upper frame and a lower frame which are generated after the horizontal line moves up and down by a certain distance respectively, the left frame and the right frame are generated after the vertical line moves left and right by a certain distance respectively, and the upper frame, the lower frame, the left frame and the right frame are enclosed to form the cutting frame. The certain distance is determined according to the resolution ratio of the pictures, so that the cut pictures meet the requirements of medical staff, the moving distance of each picture can be unequal, and the setting can be specifically performed according to the pictures.
The clipping frame of the picture containing the information of the face may also be generated by other feature points, only according to the line where the marked feature points are located, the moving distance may be different, and the moving distance may be set according to the distance from the feature point to the frame, where (a) a front face picture and a front smile picture: midpoint of hair margin, root of nose point, inner canthus point, inter-nasal point, mouth point and anterior auricular point, (b)) 45 ° side image and 45 ° side smile image: midpoint of hair margin, nasion point, inner canthus point, inter-nasion point, mouth point, anterior auricular point, mandibular corner point and eyebrow outer edge point; (c) 90 ° side image and 90 ° side smile image: the midpoint of the hair margin, the root point of the nose, the forehead point, the inner canthus point, the point between the nose, the mouth point, the point in front of the ear, the mandibular point, the outer edge point of the eyebrow and the neck point are not all listed in this example, but only a few points which are obvious are listed, and the characteristic points which can be passed by the line where any point is located can be used as the characteristic points in this embodiment.
Mark points common to the upper and lower occlusal pictures containing no facial information: a mesial labial contact, a second molar distal midpoint, a mesial papilla, a buccal gingival papilla of the first or second molar; the teeth are positioned on the upper jaw or the lower jaw, and the recognition is that the middle incisors and the molars of the upper jaw or the lower jaw are recognized, and the molars also respectively comprise the molars on the left side and the right side. Taking the mid-incisor labial side contact and the second molar distal midpoint as examples, (d) maxillary bite picture: the horizontal line where the contact points of the side of the middle incisor lip are positioned and the vertical line where the far midpoints of the second molar on the left side and the right side of the upper jaw are positioned, the upper frame and the lower frame are generated by moving a certain distance from the horizontal line up and down, the left frame is left-moved by a certain distance from the left vertical line, and the right frame is right-moved by a certain distance from the right vertical line; (e) The upper and lower frames are generated by moving a certain distance from the horizontal line, the left vertical line is left moved by a certain distance to form a left frame, and the right vertical line is right moved by a certain distance to form a right frame; the upper frame, the lower frame, the left frame and the right frame are enclosed to form a cutting frame; the nipple point, the cheek sulcus point, the side gum nipple point and the like of each tooth of the upper jaw occlusal surface can be used as the characteristic points of the embodiment, and the corresponding characteristic points move different distances, so that different pictures can be cut.
Common feature points of the front, left and right pictures when the face information pictures are meshed are not included: the middle point of the occlusion, the contact point of the middle incisor, the highest point of the gingival margin of the middle incisor and the high and low points of the gingival margin of the middle incisor; likewise, the right and left sides of the bite have the farthest midpoint, taking the contact point of the bite of the farthest midpoint and the central incisor as an example, (f) front bite picture: a vertical line where the farthest middle point of the occlusion of the left side and the right side is respectively moved to the left side and the right side for a certain distance, a horizontal line where the contact point of the middle incisor is respectively moved upwards or downwards for a certain distance, an upper frame and a lower frame are generated, and the upper frame, the lower frame, the left frame and the right frame are enclosed to form a cutting frame; (g) right snap photograph: the upper frame and the lower frame are generated after the horizontal line and the vertical line where the contact point of the middle incisor is positioned are respectively moved upwards or downwards by a certain distance, the left frame is generated after the vertical line is moved leftwards by a certain distance, the right frame is generated after the vertical line where the farthest midpoint of the left occlusion is positioned is moved leftwards by a certain distance, and the upper frame, the lower frame, the left frame and the right frame are enclosed to form a cutting frame; (e) right snap photograph: the upper frame and the lower frame are generated after the horizontal line and the vertical line where the contact point of the middle incisor is positioned are respectively moved upwards or downwards by a certain distance, the left frame is generated after the vertical line is moved leftwards by a certain distance, the right frame is generated after the vertical line where the midpoint of the farthest right occlusion is positioned is moved leftwards by a certain distance, and the cutting frame is enclosed by the upper frame, the lower frame, the left frame and the right frame. The highest point, the lowest point, the far and middle contact points, the inter-gingival papilla and the like of the gingival margin of each tooth on the picture after occlusion can be used as the characteristic points of the embodiment, and the corresponding characteristic points move different distances, so that the cutting of different pictures can be realized.
Those skilled in the art will appreciate that aspects of the present embodiments may be implemented as a system, method, or program product. Accordingly, aspects of the present embodiments may be embodied in the following forms, namely: an entirely hardware embodiment, an entirely software embodiment (including firmware, micro-code, etc.) or an embodiment combining hardware and software aspects may be referred to herein as a "circuit," module "or" platform.
Example 5
An electronic device according to such an embodiment of the present invention; the electronic device of the present embodiment should not impose any limitation on the functions and the scope of use of the embodiment of the present invention.
The electronic device is in the form of a general purpose computing device. Components of an electronic device may include, but are not limited to: at least one processing unit, at least one memory unit, a bus connecting the different platform components (including the memory unit and the processing unit), a display unit, etc.
Wherein the storage unit stores program code executable by the processing unit such that the processing unit performs the steps according to various exemplary embodiments of the present invention described in the dental image clipping method section above.
The memory unit may include readable media in the form of volatile memory units, such as Random Access Memory (RAM) and/or cache memory units, and may further include Read Only Memory (ROM).
The storage unit may also include a program/utility having a set (at least one) of program modules including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment.
The bus may be one or more of several types of bus structures including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or a local bus using any of a variety of bus architectures.
The electronic device may also communicate with one or more external devices (e.g., keyboard, pointing device, bluetooth device, etc.), with one or more devices that enable a user to interact with the electronic device, and/or with any device (e.g., router, modem, etc.) that enables the electronic device to communicate with one or more other computing devices. Such communication may be through an input/output (I/O) interface. And, the electronic device may also communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet, through a network adapter. The network adapter may communicate with other modules of the electronic device via a bus. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with an electronic device, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, data backup storage platforms, and the like.
Example 6
The present embodiment provides a computer-readable storage medium storing a program which, when executed, implements the steps of the dental picture cropping method. In some possible embodiments, the various aspects of the invention may also be realized in the form of a program product comprising program code for causing a terminal device to carry out the steps according to the various exemplary embodiments of the invention as described in the dental image clipping method section above, when said program product is run on the terminal device. A program product for implementing the above method according to the present embodiment is described, which may employ a portable compact disc read only memory (CD-ROM) and include program code, and may be run on a terminal device, such as a personal computer. However, the program product of the present invention is not limited thereto, and in this document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium can be, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The computer readable storage medium may include a data signal propagated in baseband or as part of a carrier wave, with readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A readable storage medium may also be any readable medium that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a readable storage medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device, partly on a remote computing device, or entirely on the remote computing device or server. In the case of remote computing devices, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., connected via the Internet using an Internet service provider).
The method, the system, the equipment and the storage medium for cutting the dental picture have the following advantages: the intelligent cutting machine can reduce the labor cost of manual cutting, enhance the objectivity of the cutting effect and greatly improve the intelligent cutting efficiency.
The foregoing is merely a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification and substitution based on the technical scheme and the inventive concept provided by the present invention should be covered in the scope of the present invention.
Claims (6)
1. The method for cutting the dental picture is characterized by comprising the following steps of:
(1) Acquiring N pictures required by a patient to visit dentistry, wherein N is more than or equal to 1, and sorting the N pictures after pretreatment;
the classification refers to classification according to whether the picture content contains face information, the picture sorting containing the face information refers to sorting from large to small through the number of the face information, and the picture sorting not containing the face information refers to sorting from large to small through the number of teeth;
(2) Marking the characteristic points of each picture according to the sequence, and generating a cutting frame according to the marking points;
the characteristic points of the picture containing the facial information comprise a tragus midpoint, an apodization midpoint, an outer canthus point, an inner canthus point, a pupil midpoint, a nose tip point, a nose bottom point, a eyebrow outer edge point, a eyebrow inner edge point, a mouth corner point and a chin point;
the characteristic points of the picture which does not contain facial information comprise a contact point of a middle incisor lip side, a second molar far midpoint, a middle incisor nipple point, a buccal gingival nipple point of a first or second molar, a meshing furthest midpoint, a middle incisor contact point, a highest point of a middle incisor gingival margin and a high-low point of the middle incisor gingival margin;
marking at least two characteristic points, establishing a horizontal line and a vertical line by the two characteristic points, and then moving the horizontal line and the vertical line by a certain distance to form a cutting frame;
(3) And cutting the picture according to the cutting frame.
2. The dental picture cropping method as claimed in claim 1, wherein: the preprocessing refers to processing the resolution of the N pictures according to the resolution of at least one picture in the N pictures; the picture is then rotated to the correct orientation.
3. The dental picture cropping method as claimed in claim 1, wherein: generating a rectangular feature frame capable of containing all feature points according to the feature points, and scaling the feature frame with a preset picture size in equal proportion to form a cutting frame.
4. A dental picture cropping system, characterized by: a method for implementing the dental picture cropping of any one of claims 1 to 3, the system comprising:
the image preprocessing module is used for acquiring N pictures required by the patient for the dentistry, wherein N is more than or equal to 1, and the N pictures are preprocessed and then sorted in a classified manner;
the characteristic point marking module is used for marking the characteristic points of each picture according to the sequence; the feature points are points which can be obviously identified in the picture, and the points are helpful for generating a clipping frame;
the cutting frame determining module is used for generating a cutting frame according to the characteristic points, wherein the generation of the cutting frame refers to the fact that at least two characteristic points move a certain distance and then are enclosed to form a rectangular frame;
and the image clipping module is used for clipping the image according to the clipping frame.
5. An image cropping device, characterized by comprising:
a processing unit having configured therein execution instructions that perform the steps of the dental picture cropping method of any one of claims 1 to 3;
and the storage unit is used for storing executable instructions of the processing unit.
6. A computer-readable storage medium storing a program, characterized by: the program is a step which, when executed, implements the dental picture cropping method of any one of claims 1 to 3.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911377912.XA CN111028251B (en) | 2019-12-27 | 2019-12-27 | Dental picture cropping method, system, equipment and storage medium |
| PCT/CN2020/139559 WO2021129826A1 (en) | 2019-12-27 | 2020-12-25 | Dental picture arrangment method, system and device, and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911377912.XA CN111028251B (en) | 2019-12-27 | 2019-12-27 | Dental picture cropping method, system, equipment and storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111028251A CN111028251A (en) | 2020-04-17 |
| CN111028251B true CN111028251B (en) | 2023-08-11 |
Family
ID=70194532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911377912.XA Active CN111028251B (en) | 2019-12-27 | 2019-12-27 | Dental picture cropping method, system, equipment and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111028251B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021129826A1 (en) * | 2019-12-27 | 2021-07-01 | 成都牙讯科技有限公司 | Dental picture arrangment method, system and device, and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110135324A (en) * | 2010-06-10 | 2011-12-16 | 주식회사 오라픽스 | Methodm for providing the wafer production service for dental treatment, and server and terminal thereof |
| JP2012085083A (en) * | 2010-10-12 | 2012-04-26 | Nikon Systems Inc | Image processing apparatus, image pickup device, and image processing program |
| CN105046750A (en) * | 2015-08-24 | 2015-11-11 | 杭州美齐科技有限公司 | Method for automatically segmenting whole dental triangular mesh model |
| CN107239649A (en) * | 2016-11-28 | 2017-10-10 | 可丽尔医疗科技（常州）有限公司 | A kind of method of oral cavity parametrization measurement |
| CN109712164A (en) * | 2019-01-17 | 2019-05-03 | 上海携程国际旅行社有限公司 | Image intelligent cut-out method, system, equipment and storage medium |
| CN109815928A (en) * | 2019-01-31 | 2019-05-28 | 中国电子进出口有限公司 | A kind of face image synthesis method and apparatus based on confrontation study |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102663361B (en) * | 2012-04-01 | 2014-01-01 | 北京工业大学 | Face image reversible geometric normalization method facing overall characteristics analysis |
| CN103914676B (en) * | 2012-12-30 | 2017-08-25 | 杭州朗和科技有限公司 | A kind of method and apparatus used in recognition of face |
| CN103494653B (en) * | 2013-10-17 | 2015-10-14 | 福州大学 | A kind of digital measuring method of tooth jaw growth-development law |
| CN105160329B (en) * | 2015-09-18 | 2018-09-21 | 厦门美图之家科技有限公司 | A kind of tooth recognition methods, system and camera terminal based on YUV color spaces |
| CN106020745B (en) * | 2016-05-16 | 2019-05-17 | 北京清软海芯科技有限公司 | 3D printing path generating method and device based on recognition of face |
| CN105913052A (en) * | 2016-06-08 | 2016-08-31 | Tcl集团股份有限公司 | Photograph classification management method and system thereof |
| CN107240105A (en) * | 2017-06-05 | 2017-10-10 | 深圳市茁壮网络股份有限公司 | A kind of image cropping method and device |
| CN108596121A (en) * | 2018-04-28 | 2018-09-28 | 浙江大学 | A kind of face critical point detection method based on context and structural modeling |
| CN109242826B (en) * | 2018-08-07 | 2022-02-22 | 高龑 | Mobile equipment end stick-shaped object root counting method and system based on target detection |
| CN109829915B (en) * | 2019-02-28 | 2023-05-02 | 南京医科大学 | Smile aesthetic evaluation method and system special for orthodontic based on three-dimensional space surface type |
| CN109978063B (en) * | 2019-03-28 | 2021-03-02 | 厦门美图之家科技有限公司 | Method for generating alignment model of target object |
| CN110610499B (en) * | 2019-08-29 | 2020-10-20 | 杭州光云科技股份有限公司 | Method for automatically cutting local detail picture in image |
-
2019
- 2019-12-27 CN CN201911377912.XA patent/CN111028251B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110135324A (en) * | 2010-06-10 | 2011-12-16 | 주식회사 오라픽스 | Methodm for providing the wafer production service for dental treatment, and server and terminal thereof |
| JP2012085083A (en) * | 2010-10-12 | 2012-04-26 | Nikon Systems Inc | Image processing apparatus, image pickup device, and image processing program |
| CN105046750A (en) * | 2015-08-24 | 2015-11-11 | 杭州美齐科技有限公司 | Method for automatically segmenting whole dental triangular mesh model |
| CN107239649A (en) * | 2016-11-28 | 2017-10-10 | 可丽尔医疗科技（常州）有限公司 | A kind of method of oral cavity parametrization measurement |
| CN109712164A (en) * | 2019-01-17 | 2019-05-03 | 上海携程国际旅行社有限公司 | Image intelligent cut-out method, system, equipment and storage medium |
| CN109815928A (en) * | 2019-01-31 | 2019-05-28 | 中国电子进出口有限公司 | A kind of face image synthesis method and apparatus based on confrontation study |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111028251A (en) | 2020-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ackerman et al. | Smile analysis and design in the digital era | |
| US10398539B2 (en) | System and method for aligning virtual dental models | |
| US11450426B2 (en) | Tooth virtual editing method and system, computer device, and storage medium | |
| US9757141B2 (en) | Gum tissue guide, systems and methods of producing and utilizing the same | |
| CN112690913B (en) | Tooth orthodontic plan generation method and system | |
| Corte et al. | Influence of occlusal plane inclination and mandibular deviation on esthetics | |
| Tarvade et al. | Smile analysis: A review Part I | |
| Seixas et al. | The smile arc: review and synthesis | |
| US20220218448A1 (en) | Method for aligning digital representations of a patient's jaws | |
| CN111028251B (en) | Dental picture cropping method, system, equipment and storage medium | |
| Nguyen et al. | The decision-making process in orthodontics | |
| CN112716633A (en) | Manufacturing method of comfortable full-mouth adsorption denture meeting aesthetic function | |
| US20230172691A1 (en) | Systems and methods for determining an orthodontic treatment | |
| Sarver et al. | Diagnosis and treatment planning | |
| WO2021129826A1 (en) | Dental picture arrangment method, system and device, and storage medium | |
| Castello Branco et al. | Width of buccal and posterior corridors: Differences between cases treated with asymmetric and symmetric extractions | |
| Duggal | The esthetic zone of Smile. | |
| TWI669106B (en) | Method for whitening teeth and dentition simulation images | |
| Doshi et al. | Evaluation of the Effect of Maxillary Incisor Labiolingual Inclination & Antero-Posterior Position on Smiling Prof le Esthetics–A Computer Aided Photographic Study | |
| US20130249893A1 (en) | Virtual aligner | |
| KR102360097B1 (en) | Automatic tooth set-up method and guide design device for implant surgery to perform the same | |
| KR102347493B1 (en) | Method for tooth arrangement design and apparatus thereof | |
| CN116269850A (en) | Automatic tooth arrangement method, device, equipment and storage medium | |
| DMD | Smile Analysis and Design in the Digital Era | |
| Kaushik | SMILE DESIGN. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220310 Address after: 610000 No. 3, floor 21, building 3, No. 88, Jitai fifth road, high tech Zone, Chengdu, Sichuan Applicant after: Chengdu yaxun Technology Co.,Ltd. Address before: 610000, No. 24, south section of Ring Road, Sichuan, Chengdu Applicant before: SICHUAN University |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |