CN111067477A - Anterior segment image analysis system for angle of eye of ophthalmology - Google Patents
Anterior segment image analysis system for angle of eye of ophthalmology Download PDFInfo
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- CN111067477A CN111067477A CN201911385244.5A CN201911385244A CN111067477A CN 111067477 A CN111067477 A CN 111067477A CN 201911385244 A CN201911385244 A CN 201911385244A CN 111067477 A CN111067477 A CN 111067477A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/117—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for examining the anterior chamber or the anterior chamber angle, e.g. gonioscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/117—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for examining the anterior chamber or the anterior chamber angle, e.g. gonioscopes
- A61B3/1173—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for examining the anterior chamber or the anterior chamber angle, e.g. gonioscopes for examining the eye lens
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/14—Arrangements specially adapted for eye photography
Abstract
The invention discloses an ophthalmological canthus anterior segment image analysis system, which belongs to the field of image analysis and comprises a fixed plate, wherein the rear side of the upper surface of a fixed seat is fixedly connected with an outer shell, the inner side surface of the outer shell is rotatably connected with a rotating plate, a central lens is fixedly arranged at the inner center of the rotating plate, side lenses are fixedly arranged at the outer side of the outer surface of the rotating plate and are uniformly distributed on the outer side surface of the central lens, both ends of the front side surface of the rotating plate are fixedly connected with connecting rods, the outer surface of each connecting rod is connected with the inner side surfaces of the outer shell in a sliding manner, an adjusting ring is fixedly connected at the other end of each connecting rod, and a friction rubber ring is fixedly adhered to the inner side surface of each adjusting ring, so that the convenience and the stability of use can be greatly, ensuring the accuracy and high efficiency.
Description
Technical Field
The invention relates to the field of image analysis, in particular to an ophthalmic anterior chamber and canthus image analysis system.
Background
In the process of diagnosis and treatment of the angle of the eye, images need to be collected and analyzed so as to accurately judge and process the anterior segment change.
The traditional anterior segment imaging technology can generally observe the anterior segment condition from the cornea to the front surface of the crystal, cannot cover all crystal areas, is not favorable for selecting different lenses according to different requirements to carry out image acquisition, has poor adaptability and poor acquisition and analysis precision of image information, and needs to provide a new image analysis system
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an image analysis system for anterior segment of angle of an eye in ophthalmology, which is characterized in that a rotating plate is rotatably connected inside an outer shell, so that a central lens and a plurality of groups of side lenses are installed, the selective use is facilitated, meanwhile, a connecting rod is used for connecting an adjusting ring, the external rotation adjustment is facilitated, the disassembly and the cleaning are convenient, the stability and the efficiency are high, the acquisition pipe is clamped and connected through a clamping ring, the installation and the positioning are facilitated, meanwhile, an image acquisition board card inside a control box is connected with an industrial personal computer, the processing, the analysis and the display of image data are facilitated, the convenience and the stability of the use can be greatly improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An ophthalmic anterior canthus segment image analysis system comprises a fixing plate, wherein the rear side of the upper surface of a fixing seat is fixedly connected with an outer shell, the inner side surface of the outer shell is rotatably connected with a rotating plate, the center of the inner part of the rotating plate is fixedly provided with a central lens, the outer side of the outer surface of the rotating plate is fixedly provided with a side lens which is uniformly distributed on the outer surface of the central lens, the two ends of the front side surface of the rotating plate are fixedly connected with connecting rods, the outer surfaces of the connecting rods are connected with the two side surfaces of the inner part of the outer shell in a sliding way, the other end of the connecting rod is fixedly connected with an adjusting ring, the inner side surface of the adjusting ring is fixedly adhered with a friction rubber ring, the inner side surface of friction rubber ring rotates to be connected in the outside surface of shell body, the surface of adjustable ring is equipped with the scale mark, the upper surface rear side fixedly connected with indicating head of shell body.
Further, the side camera lens has six, and the symmetric distribution is in the surface of connecting plate, the camera lens angle of side camera lens is 59 degrees, 67 and 73 respectively, the camera lens angle of center camera lens is 36, through setting up the side camera lens of multiunit symmetric distribution, does benefit to the alternative use, guarantees to gather the precision.
Further, the upper surface front side fixed mounting of fixed plate has a support section of thick bamboo, the inside surface of a support section of thick bamboo is equipped with the screw hole, the inboard surface threaded connection of screw hole has the threaded rod, through a support section of thick bamboo threaded connection threaded rod, can adjust the support height, facilitates the use, avoids interfering.
Further, the last fixed surface of threaded rod is connected with the snap ring, the upper surface of snap ring is equipped with the breach, the inboard surface joint of snap ring has the collection pipe, the front end surface of gathering the pipe has control box through the electric wire series connection, gathers the pipe through the snap ring joint that has the breach, makes things convenient for the joint location, does benefit to and places the use.
Furthermore, the rear end of the inner side surface of the collecting pipe is fixedly provided with two image collecting units, the installation included angle of the two image collecting units is 90 degrees, the two image collecting units which are vertically distributed are installed inside the collecting pipe, images can be collected from a plurality of angles, the images can be restored, and the accuracy is improved.
Further, the inside fixed mounting of control box has the image acquisition integrated circuit board, industrial computer and image display analysis unit, the image acquisition integrated circuit board includes the interface chip, FPGA, data storage unit and PCI bus driver, the front end of interface chip has the image acquisition unit through the circuit series connection, the rear end of interface chip has FPGA through the circuit series connection, FPGA has data storage unit and PCI bus driver through the circuit parallel connection, PCI bus driver has industrial computer and image display analysis unit through the circuit series connection, through at control box internally mounted image acquisition cardboard, and connect the industrial computer, do benefit to and carry out analysis processes to image data, and is stable high-efficient.
Further, the image analysis system comprises the following steps:
s1, data acquisition: acquiring an anterior segment image of a corner eye by an image acquisition unit in an acquisition tube;
s2, data processing: transmitting image data to the FPGA through an interface chip, controlling a time sequence and checking the data, so that effective image data are arranged into data in a uniform protocol format and then transmitted to a storage unit for data caching;
s3, data analysis: the industrial personal computer is connected with the PCI bus driver, and takes out data from the CPC bus after the PCI bus driver sends a DMA interrupt notification;
s4, data display: after the image display and analysis unit receives the data, the data head and the effective 14-bit image data are analyzed, the data head content including the frame number, the imaging time, the exposure time, the target position and the like is displayed, the image data is displayed according to the bit or AGC format, and the image is collected and transmitted at multiple levels, so that the analysis and the processing are facilitated, the display precision is improved, and the diagnosis is convenient.
Further, the interface chip of the step S2 includes one of DS90CR216, DS92LV18, DS90LV032A, and has high use precision and high transmission speed.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through rotating in the casing inside and connecting the rotor plate, and then installation center camera lens and multiunit side camera lens do benefit to the alternative use, connect the adjustable ring through the connecting rod simultaneously, do benefit to externally to rotate the regulation, conveniently dismantle the clearance simultaneously, and is stable high-efficient.
(2) Through setting up the side camera lens of multiunit symmetric distribution, do benefit to the alternative use, guarantee the collection precision.
(3) Through supporting a threaded connection threaded rod, can adjust supporting height, facilitate the use, avoid interfering.
(4) The collecting pipe is clamped by the clamping ring with the notch, so that the clamping and the positioning are convenient, and the use is facilitated.
(5) Through the image acquisition units of two vertical distributions of inside installation of collection pipe, can follow a plurality of angles and gather the image, do benefit to the reduction, improve the accuracy.
(6) Through at control box internally mounted image acquisition cardboard to connect the industrial computer, do benefit to and carry out analysis processes, it is stable high-efficient to image data.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the adjusting ring connection of the present invention at A;
FIG. 3 is a side schematic view of a rotating plate of the present invention;
FIG. 4 is a side schematic view of a snap ring connection of the present invention;
FIG. 5 is a schematic diagram of the distribution of image acquisition units according to the present invention;
fig. 6 is a schematic diagram of an image acquisition and analysis system according to the present invention.
The reference numbers in the figures illustrate:
the device comprises a fixing plate 1, an outer shell 11, a rotating plate 12, a central lens 13, a side lens 14, a connecting rod 15, an adjusting ring 16, a friction rubber ring 17, scale marks 18, an indicating head 19, a supporting cylinder 2, a threaded hole 21, a threaded rod 22, a snap ring 23, a notch 24, a collecting tube 25 and a control box 26.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Referring to fig. 1-6, an image analysis system for anterior segment of canthus eye of ophthalmology comprises a fixing plate 1, referring to fig. 1, 2 and 3, an outer shell 11 is fixedly connected to the rear side of the upper surface of a fixing base 1, a rotating plate 12 is rotatably connected to the inner side surface of the outer shell 11, so that the rotation adjustment is convenient, the cleaning is facilitated by the disassembly from the inside, the stability and the efficiency are high, a central lens 13 is fixedly installed at the inner center of the rotating plate 12, side lenses 14 are fixedly installed at the outer side of the outer surface of the rotating plate 12, the six side lenses 14 are symmetrically distributed on the outer surface of the connecting plate 12, the lens angles of the side lenses 14 are respectively 59 degrees, 67 degrees and 73 degrees, the side lenses 14 at the symmetrical positions are the same angle, the lens angle of the central lens is 36 degrees, so that different lenses can be selected for use, the, convenient stable, 14 evenly distributed in the outside surface of central camera lens 13 of side camera lens, the equal fixedly connected with connecting rod 15 in front side surface both ends of rotor plate 12, the surface sliding connection of connecting rod 15 is in the inside both sides surface of shell body 11, the other end fixedly connected with adjustable ring 16 of connecting rod 15, the inboard fixed surface adhesion of adjustable ring 16 has friction rubber ring 17, can increase frictional resistance, avoid rotating at will, improve the stability of adjustable ring 16, the inboard surface rotation of friction rubber ring 17 connects in the outside surface of shell body 11, the surface of adjustable ring 16 is equipped with scale mark 18, the upper surface rear side fixedly connected with of shell body 11 instructs head 19, can instruct pivoted angle through scale mark 18, and then can distinguish the optional position of inside camera lens, do benefit to the operation, convenient stability.
Please refer to fig. 1 and 4, a supporting cylinder 2 is fixedly mounted on the front side of the upper surface of the fixing plate 1, a threaded hole 21 is formed in the inner surface of the supporting cylinder 2, a threaded rod 22 is connected to the inner side surface of the threaded hole 21 in a threaded manner, the supporting height can be adjusted, and then the lens 14 can be aligned to the side surface selectively, or a central lens at an intermediate position, which is convenient and stable, a snap ring 23 is fixedly connected to the upper surface of the threaded rod 22, a notch 24 is formed in the upper surface of the snap ring 23, and is beneficial to being clamped to the inside from the notch 24, so that the clamping cannot interfere with the inside, the notch has a small width, and is clamped through elastic deformation, which is beneficial to operation and is efficient and stable, a collecting tube 25 is clamped.
Please refer to fig. 1, fig. 5 and fig. 6, the rear end of the inner side surface of the collecting pipe 25 is fixedly provided with two image collecting units 27, the installation included angle is 90 °, the inside of the control box 26 is fixedly provided with an image collecting board card, an industrial personal computer and an image display analysis unit, the image collecting board card comprises an interface chip, an FPGA, a data storage unit and a PCI bus driver, the front end of the interface chip is connected with the image collecting unit in series through a circuit, the rear end of the interface chip is connected with the FPGA in series through a circuit, the FPGA is connected with the data storage unit and the PCI bus driver in parallel through a circuit, and the PCI bus driver is connected with the industrial personal computer and the image display analysis unit in series through a.
During the use, can select different camera lenses to use, can at this moment rotate adjustable ring 16 on outer casing 1, and then can take rotor plate 12 to rotate through connecting rod 15, can rotate different side camera lenses 14 to the lower extreme position, and then aim at collection pipe 25, do benefit to the use, when needing to use central camera lens 13 simultaneously, can take off collection pipe 24, then rotate threaded rod 22 and adjust the support height, keep the height that snap ring 23 corresponds central camera lens 13 and then joint installation collection pipe 25 once more, it is convenient high-efficient, do benefit to the regulation and use, and when gathering the image, including the following step: s1, data acquisition: acquiring an anterior segment image of a corner eye by an image acquisition unit in an acquisition tube;
s2, data processing: transmitting image data to the FPGA through an interface chip, controlling a time sequence and checking the data, so that effective image data are arranged into data in a uniform protocol format and then transmitted to a storage unit for data caching;
s3, data analysis: the industrial personal computer is connected with the PCI bus driver, and takes out data from the CPC bus after the PCI bus driver sends a DMA interrupt notification;
s4, data display: after the image display and analysis unit receives the data, the data head and the effective 14-bit image data are analyzed, the data head content including the frame number, the imaging time, the exposure time, the target position and the like is displayed, the image data is displayed according to the bit or AGC format, and the image is collected and transmitted at multiple levels, so that the analysis and the processing are facilitated, the display precision is improved, and the diagnosis is convenient.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (8)
1. An ophthalmology canthus anterior segment image analysis system, includes fixed plate (1), its characterized in that: the upper surface rear side fixedly connected with shell body (11) of fixing base (1), the inboard surface of shell body (11) rotates and is connected with rotor plate (12), the inside center department fixed mounting of rotor plate (12) has central camera lens (13), the surface outside fixed mounting of rotor plate (12) has side camera lens (14), side camera lens (14) evenly distributed is on the outside surface of central camera lens (13), the preceding side surface both ends of rotor plate (12) all fixedly connected with connecting rod (15), the surface sliding connection of connecting rod (15) is in the inside both sides surface of shell body (11), the other end fixedly connected with adjustable ring (16) of connecting rod (15), the inboard surface fixed bonding of adjustable ring (16) has friction rubber ring (17), the inboard surface rotation of friction rubber ring (17) is connected in the outside surface of shell body (11), the outer surface of adjusting ring (16) is equipped with scale mark (18), the upper surface rear side fixedly connected with of shell body (11) indicates head (19).
2. The system of claim 1, wherein the system comprises: the number of the side lenses (14) is six, the side lenses are symmetrically distributed on the outer surface of the connecting plate (12), the lens angles of the side lenses (14) are 59 degrees, 67 degrees and 73 degrees respectively, and the lens angle of the central lens is 36 degrees.
3. The system of claim 1, wherein the system comprises: the supporting device is characterized in that a supporting cylinder (2) is fixedly mounted on the front side of the upper surface of the fixing plate (1), a threaded hole (21) is formed in the inner surface of the supporting cylinder (2), and a threaded rod (22) is connected to the inner side surface of the threaded hole (21) in a threaded mode.
4. The system of claim 3, wherein the system comprises: the upper surface fixedly connected with snap ring (23) of threaded rod (22), the upper surface of snap ring (23) is equipped with breach (24), the inboard surface joint of snap ring (23) has collection pipe (25), the front end surface of collection pipe (25) is established ties through the electric wire and is had control box (26).
5. The system of claim 4, wherein the system comprises: the rear end of the inner side surface of the collecting pipe (25) is fixedly provided with two image collecting units (27), and the installation included angle is 90 degrees.
6. The system of claim 1, wherein the system comprises: the image acquisition integrated circuit board, industrial computer and image display analysis unit are fixedly installed inside the control box (26), the image acquisition integrated circuit board comprises an interface chip, FPGA, a data storage unit and a PCI bus driver, the front end of the interface chip is connected with the image acquisition unit in series through a circuit, the rear end of the interface chip is connected with the FPGA in series through a circuit, the FPGA is connected with the data storage unit and the PCI bus driver in parallel through a circuit, and the PCI bus driver is connected with the industrial computer and the image display analysis unit in series through a circuit.
7. The system of claim 1, wherein the system comprises: the image analysis system comprises the following steps:
s1, data acquisition: acquiring an anterior segment image of a corner eye by an image acquisition unit in an acquisition tube;
s2, data processing: transmitting image data to the FPGA through an interface chip, controlling a time sequence and checking the data, so that effective image data are arranged into data in a uniform protocol format and then transmitted to a storage unit for data caching;
s3, data analysis: the industrial personal computer is connected with the PCI bus driver, and takes out data from the CPC bus after the PCI bus driver sends a DMA interrupt notification;
s4, data display: after receiving the data, the image display and analysis unit analyzes the data head and the effective 14-bit image data, displays the data head content including the frame number, the imaging time, the exposure time, the target position and the like, and displays the image data according to the bit or AGC format.
8. The system of claim 7, wherein the system comprises: the interface chip of the step S2 includes one of DS90CR216, DS92LV18, DS90LV 032A.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911385244.5A CN111067477A (en) | 2019-12-28 | 2019-12-28 | Anterior segment image analysis system for angle of eye of ophthalmology |
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| CN201911385244.5A CN111067477A (en) | 2019-12-28 | 2019-12-28 | Anterior segment image analysis system for angle of eye of ophthalmology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113850203A (en) * | 2021-09-28 | 2021-12-28 | 北京百度网讯科技有限公司 | Adhesion detection model training method, adhesion detection method and related device |
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Application publication date: 20200428 |
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