CN110968181B - Finger bending degree detection device and method - Google Patents
Finger bending degree detection device and method Download PDFInfo
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- CN110968181B CN110968181B CN201811149797.6A CN201811149797A CN110968181B CN 110968181 B CN110968181 B CN 110968181B CN 201811149797 A CN201811149797 A CN 201811149797A CN 110968181 B CN110968181 B CN 110968181B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
- G06F3/014—Hand-worn input/output arrangements, e.g. data gloves
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/145—Illumination specially adapted for pattern recognition, e.g. using gratings
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/20—Movements or behaviour, e.g. gesture recognition
- G06V40/28—Recognition of hand or arm movements, e.g. recognition of deaf sign language
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Abstract
The invention discloses a device and a method for detecting the bending degree of a finger, wherein the device for detecting the bending degree of the finger comprises the following steps: glove body, luminous subassembly, camera unit and processing unit. By adopting the finger bending degree detection device, after a user wears the glove body, the light emitting devices arranged on the glove body move along with the movement of the user's fingers, the camera unit can record the dynamic image of each light emitting device, and the processing unit receives and obtains the position change track of each light emitting device according to the dynamic image. Because the camera unit can catch the slight movement of the light-emitting device in real time, compared with a mode that a bending sensor adopted in the prior art is used for obtaining the bending change of the fingers of a user, the device for detecting the bending degree of the fingers can be used for more accurately capturing the slight bending action of the fingers of the user.
Description
Technical Field
The invention relates to the technical field of gesture motion capture, in particular to a device and a method for detecting the bending degree of a finger.
Background
Gesture actions are important means for people to interact with the outside, and people express ideas by gesture actions to perceive objective world. With the development of virtual reality technology, virtual hands are widely applied as a natural and efficient man-machine interaction mode, and meanwhile, in a human motion capture system, gesture motion parameters can be captured more finely by applying efficient data gloves, so that the degree of refinement of the human motion capture system is greatly improved, and the application range is widened. In a virtual environment, the data glove is an important man-machine interaction device, can acquire hand motion information in real time, and can finish functions of capturing, manipulating, communicating and the like in the virtual environment. The existing data glove is characterized in that the existing data glove is influenced by the detection precision of the bending sensor, and has the problems that the action information capturing precision is low and the fine bending angle of the finger is difficult to detect.
Disclosure of Invention
The invention aims to solve the technical problem of providing a finger bending degree detection device and method which have higher action information capturing precision and can detect a finger fine bending angle aiming at the defects of the prior art.
In order to solve the above technical problems, the present invention provides a finger bending degree detection device, including: the glove comprises a glove body which can be worn by a user and is provided with a palm part, a wrist part and five-finger parts, wherein the wrist part and the five-finger parts are respectively connected to two opposite sides of the palm part, and the five-finger parts comprise a little finger sleeve, a ring finger sleeve, a middle finger sleeve, an index finger sleeve and a thumb sleeve; the light-emitting component is arranged on the five-finger part and is positioned on one side of the palm center of the glove body, and comprises a plurality of light-emitting devices respectively arranged on the little finger sleeve, the ring finger sleeve, the middle finger sleeve, the index finger sleeve and the thumb sleeve; the camera shooting unit is positioned at one side of the palm center of the glove body, the lens of the camera shooting unit faces to one side where the five fingers are, and a user of the camera shooting unit shoots a dynamic image of the light-emitting component. The processing unit is arranged on the wrist part and is positioned on one side of the palm center of the glove body, is respectively and electrically connected with the plurality of light emitting devices and the camera unit, and receives and obtains the position change track of each light emitting device according to the dynamic image.
By adopting the finger bending degree detection device, after a user wears the glove body, the user can drive the five-finger part of the glove body to move when the user's finger moves, the light emitting devices arranged on the five-finger part can also move along with the movement, the camera shooting unit can shoot a dynamic image of each light emitting device, and the processing unit receives and obtains the position change track of each light emitting device according to the dynamic image. Subsequently, the processing unit may transmit the position change trajectory to a computer which then has data analysis processing capabilities, thereby deriving the degree of finger bending of the user. Because the camera unit can capture the slight movement of the light-emitting device in real time, the mode of capturing the bending change of the finger of the user by the camera unit for capturing the dynamic image of the light-emitting device is more accurate and can capture the slight bending action of the finger of the user than the mode of capturing the bending change of the finger of the user by the bending sensor adopted in the prior art.
In the device for detecting the bending degree of the finger, the light-emitting component comprises 14 light-emitting devices respectively arranged on the small finger sleeve, the ring finger sleeve, the middle finger sleeve, the index finger sleeve and the thumb sleeve; the small finger sleeve, the ring finger sleeve, the middle finger sleeve and the index finger sleeve are respectively provided with 3 light emitting devices, and the thumb sleeve is provided with 2 light emitters. Through the improvement, 14 light emitting devices are reasonably distributed on the little finger stall, the ring finger stall, the middle finger stall, the index finger stall and the thumb stall, so that dynamic images of the light emitting devices can respectively reflect bending changes of five fingers of a user.
In the device for detecting the bending degree of the finger, 3 light emitting devices on the small finger stall are respectively arranged at the fingertip of the small finger stall, the upper side of the second joint of the small finger stall and the lower side of the second joint of the small finger stall; the 3 light emitting devices on the ring finger stall are respectively arranged at the finger tip of the ring finger stall, the upper side of the second joint of the ring finger stall and the lower side of the second joint of the ring finger stall; the 3 light emitting devices on the middle finger cuff are respectively arranged at the fingertip of the middle finger cuff, the upper side of the second joint of the middle finger cuff and the lower side of the second joint of the middle finger cuff; the 3 light emitting devices on the index finger sleeve are respectively arranged at the finger tips of the index finger sleeve, the upper side of the second joint of the index finger sleeve and the lower side of the second joint of the index finger sleeve. With the above improvements, we accurately reflect the bending variation of the little finger, ring finger, middle finger and index finger of the user by reasonably arranging the light emitting devices as few as possible.
In the device for detecting the bending degree of the finger, the light emitting colors of the 2 light emitting devices respectively positioned on the upper side of the second joint of the small finger sleeve and the lower side of the second joint of the small finger sleeve are different; the light emitting devices on the second joint of the ring finger sleeve are respectively positioned on the upper side of the second joint of the ring finger sleeve and the lower side of the second joint of the ring finger sleeve, and the light emitting devices have different light emitting colors; the light emitting devices on the middle finger sleeve are respectively positioned on the upper side of the second joint of the middle finger sleeve and the lower side of the second joint of the middle finger sleeve, and the light emitting colors of the light emitting devices are different; the 2 luminous devices on the index finger sleeve are respectively positioned on the upper side of the second joint of the index finger sleeve and the lower side of the second joint of the index finger sleeve and have different luminous colors. By taking the small finger stall as an example through the improvement, as the distance between the light emitting devices on the upper side and the lower side of the second joint on the small finger stall is smaller and is not easy to distinguish, the light emitting devices on the upper side and the lower side of the second joint can be effectively distinguished by the camera unit through setting the light emitting colors of the light emitting devices on the upper side and the lower side of the second joint to different colors. The above improvement has the advantage that the light emitting devices on the upper side and the lower side of the second joint on the small finger cuff, the light emitting devices on the upper side and the lower side of the second joint on the ring finger cuff, the light emitting devices on the upper side and the lower side of the second joint on the middle finger cuff and the light emitting devices on the upper side and the lower side of the second joint on the index finger cuff can be effectively distinguished by colors, so that confusion is prevented.
In the device for detecting the bending degree of the finger, 2 light emitting devices respectively positioned at the fingertips of the small finger sleeve and at the lower side of the second joint of the small finger sleeve have the same light emitting color; the 2 light-emitting devices on the ring finger stall are respectively positioned at the fingertips of the ring finger stall and at the lower side of the second joint of the ring finger stall and have the same light-emitting color; the 2 light emitting devices on the middle finger sleeve are respectively positioned at the finger tips of the middle finger sleeve and at the lower side of the second joint of the middle finger sleeve and have the same light emitting color; the 2 luminous devices on the index finger sleeve are respectively positioned at the finger tips of the index finger sleeve and at the lower side of the second joint of the index finger sleeve and have the same luminous color. Through the improvement, the finger tip positions with the largest movable ranges of the small finger sleeve, the ring finger sleeve, the middle finger sleeve and the index finger sleeve can be effectively measured.
In the device for detecting the bending degree of the finger, 2 light emitting devices on the thumb sleeve are respectively arranged at the fingertip of the thumb sleeve and the lower side of the first joint of the thumb sleeve. With the above improvements, we accurately reflect the bending variation of the user's thumb with as few of the light emitting devices as possible by reasonable arrangement.
In the device for detecting the bending degree of the finger, the luminous colors of the 2 luminous devices on the thumb sleeve are the same. By the improvement, the fingertip position with the largest movement range of the thumb sleeve can be effectively measured.
In the device for detecting the bending degree of the finger, 2 light emitting devices on the small finger stall are respectively positioned at the fingertips of the small finger stall and the lower side of the second joint of the small finger stall, 2 light emitting devices on the ring finger stall are respectively positioned at the fingertips of the ring finger stall and the lower side of the second joint of the ring finger stall, 2 light emitting devices on the middle finger stall are respectively positioned at the fingertips of the middle finger stall and the lower side of the second joint of the middle finger stall, 2 light emitting devices on the index finger stall are respectively positioned at the fingertips of the index finger stall and the lower side of the second joint of the index finger stall, and the light emitting colors of 2 light emitting devices on the thumb stall are red. Through the improvement, the light-emitting devices at the fingertips on the small fingerstall, the ring fingerstall, the middle fingerstall, the index finger stall and the thumb stall are easy to identify by the camera unit, other adjacent light-emitting devices are prevented from interfering with the small fingerstall, and further the position of the fingertip with the largest movable range of each fingerstall is effectively detected.
Correspondingly, the invention also provides a finger bending degree detection method, which is characterized by comprising the following steps of: wearing the finger bending degree detection device; the processing unit controls the starting of the camera shooting unit; the processing unit controls the plurality of light emitting devices to be sequentially lightened, and indexes the plurality of light emitting devices according to the sequence of the plurality of light emitting devices; the glove body moves under the operation of wearing; the camera shooting unit shoots dynamic images formed by the plurality of the light emitting devices along with the movement of the glove body; the processing unit receives and obtains the position change track of each light emitting device according to the dynamic image, and sends the position change track to a computer with data analysis processing capability in a wired or wireless mode.
By adopting the finger bending degree detection method, the imaging unit can capture the fine movement of the light emitting device in real time, so that the mode of capturing the bending change of the finger of the user by the imaging unit for capturing the dynamic image of the light emitting device is more accurate and can capture the fine bending action of the finger of the user compared with the mode of capturing the bending change of the finger of the user by the bending sensor adopted in the prior art.
The method for detecting the bending degree of the finger, provided by the invention, further comprises the following steps: the processing unit controls the plurality of light emitting devices which disappear in the shooting range of the shooting unit and are shot again by the shooting unit to flash in sequence. Through the improvement, when the light emitting device is blocked in the measuring process and the light emitting device disappears in the picture shot by the shooting unit, the light emitting device reentering the shot picture of the shooting unit can flash sequentially under the control of the processing unit, so that the indexing information of each light emitting device is confirmed, and confusion is prevented.
Compared with the prior art, the device for detecting the bending degree of the finger has the following beneficial effects: the finger bending degree detection device comprises: the glove comprises a glove body which can be worn by a user and is provided with a palm part, a wrist part and five-finger parts, wherein the wrist part and the five-finger parts are respectively connected to two opposite sides of the palm part, and the five-finger parts comprise a little finger sleeve, a ring finger sleeve, a middle finger sleeve, an index finger sleeve and a thumb sleeve; the light-emitting component is arranged on the five-finger part and is positioned on one side of the palm center of the glove body, and comprises a plurality of light-emitting devices respectively arranged on the little finger sleeve, the ring finger sleeve, the middle finger sleeve, the index finger sleeve and the thumb sleeve; the camera shooting unit is positioned at one side of the palm center of the glove body, the lens of the camera shooting unit faces to one side where the five fingers are, and a user of the camera shooting unit shoots a dynamic image of the light-emitting component. The processing unit is arranged on the wrist part and is positioned on one side of the palm center of the glove body, is respectively and electrically connected with the plurality of light emitting devices and the camera unit, and receives and obtains the position change track of each light emitting device according to the dynamic image. By adopting the finger bending degree detection device, after a user wears the glove body, the user can drive the five-finger part of the glove body to move when the user's finger moves, the light emitting devices arranged on the five-finger part can also move along with the movement, the camera shooting unit can shoot a dynamic image of each light emitting device, and the processing unit receives and obtains the position change track of each light emitting device according to the dynamic image. Subsequently, the processing unit may transmit the position change trajectory to a computer which then has data analysis processing capabilities, thereby deriving the degree of finger bending of the user. Because the camera unit can capture the slight movement of the light-emitting device in real time, the mode of capturing the bending change of the finger of the user by the camera unit for capturing the dynamic image of the light-emitting device is more accurate and can capture the slight bending action of the finger of the user than the mode of capturing the bending change of the finger of the user by the bending sensor adopted in the prior art.
Drawings
FIG. 1 is a schematic diagram of a device for detecting degree of bending of a finger according to a preferred embodiment of the present invention;
FIG. 2 is a reference diagram showing the use state of the finger bending degree detecting device according to the preferred embodiment of the present invention.
Reference numerals in the detailed description indicate:
| glove body | 1 | Light emitting device | 2 |
| Image pickup unit | 3 | Processing unit | 4 |
| Palm portion | 11 | Wrist portion | 12 |
| Five-finger part | 13 | ||
| Little dactylotheca | 131 | Nameless finger stall | 132 |
| Middle finger stall | 133 | Index finger sleeve | 134 |
| Thumb sleeve | 135 |
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 shows a preferred embodiment of the finger bending degree detecting device according to the present invention. The finger bending degree detection device comprises a glove body 1, a light-emitting component, a camera unit 3 and a processing unit 4.
The glove body 1 is wearable by a user, and has a palm portion 11, a wrist portion 12, and five finger portions, wherein the wrist portion 12 and the five finger portions are respectively connected to opposite sides of the palm portion 11, and the five finger portions include a little finger cuff 131, a ring finger cuff 132, a middle finger cuff 133, an index finger cuff 134, and a thumb cuff 135. It should be appreciated that the glove body 1 may be made of a rubber material having elasticity so as to be suitable for wearing by hands of different people and satisfy comfort requirements.
The light emitting component is disposed on the five fingers and is located on one side of the palm center of the glove body 1, and the light emitting component includes a plurality of light emitting devices 2 disposed on the little finger cuff 131, the ring finger cuff 132, the middle finger cuff 133, the index finger cuff 134 and the thumb cuff 135, respectively. Specifically, the light emitting assembly includes 14 light emitting devices 2 respectively disposed on the little finger cuff 131, the ring finger cuff 132, the middle finger cuff 133, the index finger cuff 134 and the thumb cuff 135; the small finger sleeve 131, the ring finger sleeve 132, the middle finger sleeve 133 and the index finger sleeve 134 are respectively provided with 3 light emitting devices 2, and the thumb sleeve 135 is provided with 2 light emitters. The 14 light emitting devices 2 are reasonably distributed on the little finger cuff 131, the ring finger cuff 132, the middle finger cuff 133, the index finger cuff 134 and the thumb cuff 135 in the above manner, so that dynamic images of the light emitting devices 2 can respectively reflect bending changes of five fingers of a user. It will be appreciated by those skilled in the art that the light emitting device 2 may be any electrically operable, light-emitting electronic component, such as an LED lamp.
In this embodiment, in order to accurately reflect the bending variation of the little finger, the ring finger, the middle finger, the index finger, and the thumb of the user using as few light emitting devices 2 as possible, we arrange 14 light emitting devices 2 on the little finger cuff 131, the ring finger cuff 132, the middle finger cuff 133, the index finger cuff 134, and the thumb cuff 135, respectively, in the following manner:
the 3 light emitting devices 2 on the small finger cuff 131 are respectively arranged at the fingertip of the small finger cuff 131, the upper side of the second joint of the small finger cuff 131, and the lower side of the second joint of the small finger cuff 131; the centers of the 3 light emitting devices 2 on the small finger cuff 131 are positioned on the same straight line, and the distance between the light emitting device 2 on the upper side of the second joint of the small finger cuff 131 and the light emitting device 2 at the fingertip of the small finger cuff 131 is greater than the distance between the light emitting device 2 on the upper side of the second joint of the small finger cuff 131 and the light emitting device 2 on the lower side of the second joint of the small finger cuff 131;
the 3 light emitting devices 2 on the ring finger cuff 132 are respectively arranged at the fingertip of the ring finger cuff 132, the upper side of the second joint of the ring finger cuff 132, and the lower side of the second joint of the ring finger cuff 132; the centers of the 3 light emitting devices 2 on the ring finger cuff 132 are on the same straight line, and the distance between the light emitting device 2 on the upper side of the second joint of the ring finger cuff 132 and the light emitting device 2 at the fingertip of the ring finger cuff 132 is larger than the distance between the light emitting device 2 on the upper side of the second joint of the ring finger cuff 132 and the light emitting device 2 on the lower side of the second joint of the ring finger cuff 132;
the 3 light emitting devices 2 on the middle finger cuff 133 are respectively arranged at the fingertip of the middle finger cuff 133, the upper side of the second joint of the middle finger cuff 133, and the lower side of the second joint of the middle finger cuff 133; the centers of the 3 light emitting devices 2 on the middle finger cuff 133 are positioned on the same straight line, and the distance between the light emitting device 2 on the upper side of the second joint of the middle finger cuff 133 and the light emitting device 2 at the fingertip of the middle finger cuff 133 is greater than the distance between the light emitting device 2 on the upper side of the second joint of the middle finger cuff 133 and the light emitting device 2 on the lower side of the second joint of the middle finger cuff 133;
the 3 light emitting devices 2 on the index finger grip 134 are respectively arranged at the fingertip of the index finger grip 134, the upper side of the second joint of the index finger grip 134, and the lower side of the second joint of the index finger grip 134; the centers of the 3 light emitting devices 2 on the index finger grip 134 are positioned on the same straight line, and the distance between the light emitting device 2 on the upper side of the second joint of the index finger grip 134 and the light emitting device 2 at the fingertip of the index finger grip 134 is greater than the distance between the light emitting device 2 on the upper side of the second joint of the index finger grip 134 and the light emitting device 2 on the lower side of the second joint of the index finger grip 134;
the 2 light emitting devices 2 on the thumb stall 135 are respectively arranged at the fingertip of the thumb stall 135 and the underside of the first joint of the thumb stall 135; the centers of the 3 light emitting devices 2 on the thumb stall 135 are on the same straight line, and the distance between the light emitting device 2 on the upper side of the second joint of the thumb stall 135 and the light emitting device 2 at the fingertip of the thumb stall 135 is larger than the distance between the light emitting device 2 on the upper side of the second joint of the thumb stall 135 and the light emitting device 2 on the lower side of the second joint of the thumb stall 135.
It should be explained that in this application we refer to the finger joint closest to the fingertip as a first joint and the finger joint adjacent to the first joint as the second joint. In addition, the light emitting device 2 and the glove body 1 may be connected by an adhesive.
The processing unit 4 is disposed on the wrist portion 12 and is located at the palm side of the glove body 1. Specifically, the processing unit 4 is a single-chip microcomputer or a central processing unit with image analysis processing capability, and the processing unit 4 can be connected to the wrist portion 12 of the glove body 1 through an adhesive. In addition, the processing unit 4 is electrically connected with 14 light emitting devices 2 through wires built in the glove body 1.
The camera unit 3 is located at one side of the palm center of the glove body 1, and the lens of the camera unit 3 faces to one side where the five fingers are located. Specifically, the image capturing unit 3 may employ a high-performance CMOS camera. The image capturing unit 3 is electrically connected with the processing unit 4, and is directly mounted on one side of the processing unit 4 facing the five-finger part, so that the lens of the image capturing unit 3 captures 14 light emitting devices 2 arranged on the five-finger part.
In the working state, the user of the image capturing unit 3 captures dynamic images of 14 light emitting devices 2, and the processing unit 4 receives and obtains the position change track of each light emitting device 2 according to the dynamic images.
The following describes a method of using the finger bending degree detecting apparatus to measure the degree of bending of a user's finger. The method comprises the following steps:
1) Wearing the detection device of the bending degree of the finger (see fig. 2);
2) The processing unit 4 controls the camera unit 3 to start;
3) The processing unit 4 controls the plurality of the light emitting devices 2 to be sequentially lightened, and indexes the plurality of the light emitting devices 2 according to the sequence of the lightening of the plurality of the light emitting devices 2;
4) The glove body 1 moves under the wearing operation;
5) The camera unit 3 shoots dynamic images formed by the movement of the plurality of the light emitting devices 2 along with the glove body 1;
6) The processing unit 4 receives and derives the position change track of each light emitting device 2 according to the dynamic image, and sends the position change track to a computer with data analysis processing capability in a wired or wireless mode. And finally obtaining the bending degree of the fingers of the user through the computer.
In summary, with the above-mentioned finger bending degree detection device, after the user wears the glove body 1, the user's fingers will drive the five-finger portion of the glove body 1 to move when moving, the light emitting devices 2 disposed on the five-finger portion will also move along with the movement, the camera unit 3 may capture a moving image of each of the light emitting devices 2, and the processing unit 4 receives and obtains a position change track of each of the light emitting devices 2 according to the moving image. Subsequently, the processing unit 4 may transmit the position change trajectory to a computer which then has data analysis processing capabilities, thereby deriving the degree of finger bending of the user. Since the image capturing unit 3 can capture the fine movement of the light emitting device 2 in real time, the manner of capturing the bending variation of the user's finger by capturing the dynamic image of the light emitting device 2 by the image capturing unit 3 is more accurate and can capture the fine bending motion of the user's finger than the manner of capturing the bending variation of the user's finger by the bending sensor used in the prior art.
It is mentioned that the above measurement process may further comprise the following steps: the processing unit 4 controls the plurality of light emitting devices 2 which disappear in the recording range of the image capturing unit 3 and are again recorded by the image capturing unit 3 to flash in sequence. In this way, when the light emitting device 2 is blocked during the measurement process, and the light emitting device 2 disappears in the picture recorded by the image capturing unit 3, the light emitting devices 2 re-entering the recorded picture of the image capturing unit 3 will flash in sequence under the control of the processing unit 4, so as to confirm the index information of each light emitting device 2 and prevent confusion.
In order to ensure that the image capturing unit 3 can effectively distinguish two light emitting devices 2 on the same finger cuff, which are closer to each other, in the above measurement process, in this embodiment, the light emitting devices 2 on the small finger cuff 131, which are respectively located on the upper side of the second joint of the small finger cuff 131 and the lower side of the second joint of the small finger cuff 131, have different light emitting colors; the 2 light emitting devices 2 on the ring finger cuff 132 respectively positioned at the upper side of the second joint of the ring finger cuff 132 and the lower side of the second joint of the ring finger cuff 132 have different light emitting colors; the 2 light emitting devices 2 on the middle finger cuff 133, which are respectively located at the upper side of the second joint of the middle finger cuff 133 and the lower side of the second joint of the middle finger cuff 133, have different light emitting colors; the 2 light emitting devices 2 on the index finger grip 134, which are respectively positioned at the upper side of the second joint of the index finger grip 134, and the lower side of the second joint of the index finger grip 134, are different in light emitting color. Specifically, the light emitting color of the light emitting device 2 on the upper side of the second joint on each finger cuff is set to green, and the light emitting color of the light emitting device 2 on the lower side of the second joint is set to red.
In order to ensure that the camera unit 3 can effectively measure the fingertip positions of the little finger cuff 131, the ring finger cuff 132, the middle finger cuff 133, the index finger cuff 134, and the thumb cuff 135 having the largest movable ranges. In this embodiment, the light emitting devices 2 on the little finger stall 131 located at the fingertip of the little finger stall 131 and the lower side of the second joint of the little finger stall 131, the light emitting devices 2 on the ring finger stall 132 located at the fingertip of the ring finger stall 132 and the lower side of the second joint of the ring finger stall 132, the light emitting devices 2 on the middle finger stall 133 located at the fingertip of the middle finger stall 133 and the lower side of the second joint of the middle finger stall 133, the light emitting devices 2 on the index finger stall 134 located at the fingertip of the index finger stall 134 and the light emitting devices 2 on the thumb stall 135 are red in color. It should be noted that red is the color most easily recognized by the camera unit 3, so that the light emitting devices 2 at the fingertips on the small finger cuff 131, the ring finger cuff 132, the middle finger cuff 133, the index finger cuff 134 and the thumb cuff 135 are easily recognized by the camera unit 3, and other adjacent light emitting devices 2 are prevented from interfering with it, and further, the fingertip position with the largest movement range of each finger cuff is effectively detected.
In summary, the device and method for detecting the bending degree of a finger provided by the invention have at least the following
The beneficial effects are that:
1. with the above finger bending degree detection device, after a user wears the glove body 1, the user's fingers will drive the five-finger parts of the glove body 1 to move when moving, the light emitting devices 2 disposed on the five-finger parts will also move along with the movement, the camera unit 3 may record a dynamic image of each light emitting device 2, and the processing unit 4 receives and obtains a position change track of each light emitting device 2 according to the dynamic image. Subsequently, the processing unit 4 may transmit the position change trajectory to a computer which then has data analysis processing capabilities, thereby deriving the degree of finger bending of the user. Since the image capturing unit 3 can capture the fine movement of the light emitting device 2 in real time, the manner of capturing the bending variation of the user's finger by capturing the dynamic image of the light emitting device 2 by the image capturing unit 3 is more accurate and can capture the fine bending motion of the user's finger than the manner of capturing the bending variation of the user's finger by the bending sensor used in the prior art.
2. The 14 light emitting devices 2 are reasonably distributed on the little finger stall 131, the ring finger stall 132, the middle finger stall 133, the index finger stall 134 and the thumb stall 135, and the bending change of the thumb, the little finger, the ring finger, the middle finger and the index finger of a user is accurately reflected by using as few light emitting devices 2 as possible.
3. The light emitting devices 2 on the upper and lower sides of the second joint on the little finger cuff 131, the light emitting devices 2 on the upper and lower sides of the second joint on the ring finger cuff 132, the light emitting devices 2 on the upper and lower sides of the second joint on the middle finger cuff 133, and the light emitting devices 2 on the upper and lower sides of the second joint on the index finger cuff 134 are effectively distinguished by light emitting colors, preventing confusion.
4. Setting the light emitting color of the light emitting device 2 at the tip of each finger stall to red allows effective measurement of the fingertip positions where the movable ranges of the little finger stall 131, the ring finger stall 132, the middle finger stall 133, the index finger stall 134, and the thumb stall 135 are maximized.
5. When the light emitting device 2 is blocked in the measuring process and the light emitting device 2 disappears in the picture shot by the shooting unit 3, the light emitting devices 2 re-entering the shot picture of the shooting unit 3 flash in sequence under the control of the processing unit 4, so that the index information of each light emitting device 2 is confirmed and confusion is prevented.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are all within the scope of the present invention.
Claims (7)
1. A finger bending degree detecting device, characterized by comprising:
the glove comprises a glove body which can be worn by a user and is provided with a palm part, a wrist part and five-finger parts, wherein the wrist part and the five-finger parts are respectively connected to two opposite sides of the palm part, and the five-finger parts comprise a little finger sleeve, a ring finger sleeve, a middle finger sleeve, an index finger sleeve and a thumb sleeve;
the light-emitting component is arranged on the five-finger part and is positioned on one side of the palm center of the glove body, and comprises a plurality of light-emitting devices respectively arranged on the little finger sleeve, the ring finger sleeve, the middle finger sleeve, the index finger sleeve and the thumb sleeve;
the camera shooting unit is positioned at one side of the palm center of the glove body, the lens of the camera shooting unit faces to one side where the five fingers are, and the camera shooting unit is used for shooting dynamic images of the light-emitting component;
the processing unit is arranged on the wrist part and is positioned at one side of the palm center of the glove body, is respectively and electrically connected with the plurality of light emitting devices and the camera unit, and receives and obtains the position change track of each light emitting device according to the dynamic image;
the processing unit is also used for transmitting the position change track to a computer with data analysis and processing capabilities so as to obtain the bending degree of the fingers of a user;
the light-emitting component comprises 14 light-emitting devices respectively arranged on the little finger sleeve, the ring finger sleeve, the middle finger sleeve, the index finger sleeve and the thumb sleeve; the small finger sleeve, the ring finger sleeve, the middle finger sleeve and the index finger sleeve are respectively provided with 3 light-emitting devices, and the thumb sleeve is provided with 2 light-emitting devices;
the 3 light emitting devices on the little finger cuff are respectively arranged at the fingertip of the little finger cuff, the upper side of the second joint of the little finger cuff and the lower side of the second joint of the little finger cuff; the 3 light emitting devices on the ring finger stall are respectively arranged at the finger tip of the ring finger stall, the upper side of the second joint of the ring finger stall and the lower side of the second joint of the ring finger stall; the 3 light emitting devices on the middle finger cuff are respectively arranged at the fingertip of the middle finger cuff, the upper side of the second joint of the middle finger cuff and the lower side of the second joint of the middle finger cuff; the 3 light emitting devices on the index finger sleeve are respectively arranged at the finger tips of the index finger sleeve, the upper side of the second joint of the index finger sleeve and the lower side of the second joint of the index finger sleeve;
the light emitting devices on the small finger stall are respectively positioned on the upper side of the second joint of the small finger stall and the lower side of the second joint of the small finger stall, and the light emitting colors of the light emitting devices are different; the light emitting devices on the second joint of the ring finger sleeve are respectively positioned on the upper side of the second joint of the ring finger sleeve and the lower side of the second joint of the ring finger sleeve, and the light emitting devices have different light emitting colors; the light emitting devices on the middle finger sleeve are respectively positioned on the upper side of the second joint of the middle finger sleeve and the lower side of the second joint of the middle finger sleeve, and the light emitting colors of the light emitting devices are different; the 2 luminous devices on the index finger sleeve are respectively positioned on the upper side of the second joint of the index finger sleeve and the lower side of the second joint of the index finger sleeve and have different luminous colors.
2. The finger bending degree detecting apparatus according to claim 1, wherein 2 light emitting devices on the small finger cuff, which are respectively located at a fingertip of the small finger cuff and an underside of a second joint of the small finger cuff, emit light of the same color; the 2 light-emitting devices on the ring finger stall are respectively positioned at the fingertips of the ring finger stall and at the lower side of the second joint of the ring finger stall and have the same light-emitting color; the 2 light emitting devices on the middle finger sleeve are respectively positioned at the finger tips of the middle finger sleeve and at the lower side of the second joint of the middle finger sleeve and have the same light emitting color; the 2 luminous devices on the index finger sleeve are respectively positioned at the finger tips of the index finger sleeve and at the lower side of the second joint of the index finger sleeve and have the same luminous color.
3. The finger bending degree detecting apparatus according to claim 2, wherein the 2 light emitting devices on the thumb rest are arranged at fingertips of the thumb rest and an underside of a first joint of the thumb rest, respectively.
4. A finger bending degree detecting apparatus according to claim 3, wherein the light emitting color of the 2 light emitting devices on the thumb rest is the same.
5. The apparatus according to claim 4, wherein 2 light emitting devices on the little finger cuff are located at a fingertip of the little finger cuff and a lower side of a second joint of the little finger cuff, 2 light emitting devices on the ring finger cuff are located at a fingertip of the ring finger cuff and a lower side of a second joint of the ring finger cuff, 2 light emitting devices on the middle finger cuff are located at a fingertip of the middle finger cuff and a lower side of a second joint of the middle finger cuff, 2 light emitting devices on the index finger cuff are located at a fingertip of the index finger cuff and a lower side of a second joint of the index finger cuff, respectively, and 2 light emitting devices on the thumb cuff are red in light emission color.
6. The finger bending degree detection method is characterized by comprising the following steps of:
wearing the finger bending degree detecting apparatus according to any one of claims 1 to 5;
the processing unit controls the starting of the camera shooting unit;
the processing unit controls the plurality of light emitting devices to be sequentially lightened, and indexes the plurality of light emitting devices according to the sequence of the plurality of light emitting devices;
the glove body moves under the operation of wearing;
the camera shooting unit shoots dynamic images formed by the plurality of the light emitting devices along with the movement of the glove body;
the processing unit receives and obtains the position change track of each light emitting device according to the dynamic image, and sends the position change track to a computer with data analysis processing capability in a wired or wireless mode.
7. The method for detecting the bending degree of a finger according to claim 6, further comprising the steps of:
the processing unit controls the plurality of light emitting devices which disappear in the shooting range of the shooting unit and are shot again by the shooting unit to flash in sequence.
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| CN201811149797.6A CN110968181B (en) | 2018-09-29 | 2018-09-29 | Finger bending degree detection device and method |
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| CN201811149797.6A CN110968181B (en) | 2018-09-29 | 2018-09-29 | Finger bending degree detection device and method |
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| CN111839871A (en) * | 2020-07-07 | 2020-10-30 | 张晓东 | Finger joint bending injury orthopedic platform |
| CN113971896B (en) * | 2021-11-17 | 2023-11-24 | 苏州大学 | Surgical training system and training method |
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