CN105824462B - Detection method and electronic equipment - Google Patents
Detection method and electronic equipment Download PDFInfo
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- CN105824462B CN105824462B CN201610137316.4A CN201610137316A CN105824462B CN 105824462 B CN105824462 B CN 105824462B CN 201610137316 A CN201610137316 A CN 201610137316A CN 105824462 B CN105824462 B CN 105824462B
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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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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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
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
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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
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/14—Vascular patterns
Abstract
The invention discloses a detection method and electronic equipment, wherein the electronic equipment comprises: the touch screen comprises a main body, a touch pad arranged on the main body and a recognition device positioned below the touch pad; the method comprises the following steps: acquiring a first instruction, and setting the function of the identification device to be in an opening state; detecting, with the recognition device, whether a covering operation of a target body occurs at a first area of the touch panel when a function of the recognition device is in an on state; acquiring an image of a target body and setting a function of the touch panel to a closed state when a covering operation of the target body occurs at the first area; and after the image of the target body is acquired, setting the function of the identification device to be in a closed state, and setting the function of the touch pad to be in an open state.
Description
Technical Field
The present invention relates to detection technologies, and in particular, to a detection method and an electronic device.
Background
With the popularization of the mobile payment function, the security problem of the terminal device becomes a very concern of the user. For this reason, various terminal devices are beginning to add security authentication functions such as iris recognition, fingerprint recognition, face recognition, vein recognition, and the like. Among them, vein recognition has a False Rejection Rate (FRR) of 0.1% and a False Acceptance Rate (FAR) of less than 0.0001%, and thus vein recognition is a very reliable security authentication technique.
In the vein identification technology, an infrared light source irradiates infrared light to a finger, and a vein sensor acquires infrared imaging on the finger so as to acquire vein data. The vein sensor and the light source are integrated on the notebook to realize the finger vein recognition function of the notebook, and for this reason, the vein sensor and the light source are integrated on the touch pad of the notebook.
Because the touch panel and the finger vein recognition device (including the vein sensor and the light source) have overlapping operation areas, the user may interfere with the finger vein recognition function when using the touch panel, and the user may interfere with the use of the touch panel when using the vein recognition function. For example, if a user mistakenly thinks that finger vein recognition is being performed while using the touch panel, the recognition result may be wrong and the normal operation of the touch panel may be affected.
Disclosure of Invention
In order to solve the above technical problems, embodiments of the present invention provide a detection method and an electronic device.
The detection method provided by the embodiment of the invention is applied to electronic equipment, and the electronic equipment comprises the following steps: the touch screen comprises a main body, a touch pad arranged on the main body and a recognition device positioned below the touch pad; the method comprises the following steps:
acquiring a first instruction, and setting the function of the identification device to be in an opening state;
detecting, with the recognition device, whether a covering operation of a target body occurs at a first area of the touch panel when a function of the recognition device is in an on state; acquiring an image of a target body and setting a function of the touch panel to a closed state when a covering operation of the target body occurs at the first area;
and after the image of the target body is acquired, setting the function of the identification device to be in a closed state, and setting the function of the touch pad to be in an open state.
In the embodiment of the present invention, the method further includes:
detecting, with the touch panel, whether a touch operation of a target body occurs at a first region of the touch panel;
generating the first instruction when a touch operation of a target body occurs at the first area.
In the embodiment of the present invention, the method further includes:
when the function of the touch pad is in an open state, detecting touch operation by using a second area of the touch pad; wherein the second region is a whole region or a partial region of the touch panel.
In an embodiment of the present invention, the identification apparatus includes: a sensor and one or more light sources;
the acquiring an image of the target body when the covering operation of the target body occurs at the first region includes:
when the covering operation of the target body occurs at the first area, utilizing the more than one light sources to emit light rays to irradiate the target body through the touch panel;
and detecting an image formed by the target body due to the irradiation of the light rays by using the sensor.
In the embodiment of the present invention, the method further includes:
after the image of the target body is collected, analyzing the image of the target body to obtain the characteristic data of the target body;
and searching standard characteristic data matched with the characteristic data of the target body in a standard characteristic database, and determining the identity information of the target body according to the standard characteristic data.
The electronic device provided by the embodiment of the invention comprises: the touch screen comprises a main body, a touch pad arranged on the main body, a recognition device positioned below the touch pad and a processor; wherein the content of the first and second substances,
the processor is used for obtaining a first instruction and setting the function of the identification device to be in an opening state;
the recognition device is used for judging whether the covering operation of the target body occurs at the first area of the touch pad or not when the function of the recognition device is in an opening state; acquiring an image of a target body when a covering operation of the target body occurs at the first region;
the processor is further configured to set a function of the touch panel to an off state when a cover operation of a target body occurs at the first area; and after the recognition device collects the image of the target body, setting the function of the recognition device to be in a closed state, and setting the function of the touch pad to be in an open state.
In the embodiment of the present invention, the touch panel is further configured to detect whether a touch operation of a target body occurs at a first region of the touch panel;
the processor is further configured to generate the first instruction when a touch operation of a target body occurs at the first area.
In the embodiment of the present invention, the touch panel is further configured to, when the function of the touch panel is in an on state, detect a touch operation by using the second area of the touch panel; wherein the second region is a whole region or a partial region of the touch panel.
In an embodiment of the present invention, the identification apparatus includes: a sensor and one or more light sources;
the identification device is further used for utilizing the more than one light sources to emit light rays to irradiate the target body through the touch pad when the covering operation of the target body occurs at the first area; and detecting an image formed by the target body due to the irradiation of the light rays by using the sensor.
In the embodiment of the present invention, the processor is further configured to, after the identification device collects the image of the target body, analyze the image of the target body to obtain feature data of the target body; searching standard characteristic data matched with the characteristic data of the target body in a standard characteristic database, and determining the identity information of the target body according to the standard characteristic data;
the electronic device further includes: a memory for storing the standard feature database.
In the technical solution of the embodiment of the present invention, an electronic device includes: the touch screen comprises a main body, a touch pad arranged on the main body and a recognition device positioned below the touch pad; acquiring a first instruction, and setting the function of the identification device to be in an opening state; detecting, with the recognition device, whether a covering operation of a target body occurs at a first area of the touch panel when a function of the recognition device is in an on state; acquiring an image of a target body when a covering operation of the target body occurs at the first region; and after the image of the target body is acquired, setting the function of the identification device to be in a closed state, and setting the function of the touch pad to be in an open state. Therefore, the technical scheme of the embodiment of the invention coordinates the problem of mutual interference between the touch pad and the identification device, ensures that the touch pad and the identification device can work normally, and improves the user experience; in addition, the technical scheme of the embodiment of the invention has lower cost and is easy to realize.
Drawings
FIG. 1 is a schematic flow chart of a detection method according to a first embodiment of the present invention;
FIG. 2 is a schematic flow chart of a detection method according to a second embodiment of the present invention;
FIG. 3 is a schematic flow chart of a detection method according to a third embodiment of the present invention;
FIG. 4 is a schematic flow chart of a detection method according to a fourth embodiment of the present invention;
FIG. 5 is a schematic diagram of a frame of an identification device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to a fifth embodiment of the present invention;
fig. 7 is a schematic structural composition diagram of an electronic device according to a sixth embodiment of the present invention;
fig. 8 is a schematic structural diagram of an electronic device according to a seventh embodiment of the present invention.
Detailed Description
So that the manner in which the features and aspects of the embodiments of the present invention can be understood in detail, a more particular description of the embodiments of the invention, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings.
Fig. 1 is a schematic flowchart of a detection method according to a first embodiment of the present invention, where the detection method in this example is applied to an electronic device, and the electronic device includes: the touch screen comprises a main body, a touch pad arranged on the main body and a recognition device positioned below the touch pad; as shown in fig. 1, the detection method includes the following steps:
step 101: and acquiring a first instruction, and setting the function of the identification device to be in an opening state.
In the embodiment of the invention, the electronic equipment can be a notebook, a tablet computer and other equipment. The electronic device includes: the touch screen comprises a main body, a touch pad arranged on the main body and an identification device positioned below the touch pad. The identification device comprises: a sensor and more than one light source.
Taking the example that the identification device comprises one light source, referring to fig. 5, the one light source is located in a first area below the touch pad, and the sensor is located in a second area below the touch pad, wherein the first area is different from the second area.
In the embodiment of the invention, the main body refers to a housing for bearing the touch pad, the shape of the main body can be a rectangle or a rectangle with radian at the corner, and the shape of the main body can be flexibly designed according to the requirements and preferences of users. The main body is generally made of a light material such as plastic, so as to reduce the weight of the electronic device.
In the embodiment of the invention, the touch pad is arranged on the main body, and provides a touch operation function for a user, namely, the user can realize the touch operation on the touch pad, and the touch pad acquires the touch operation of the user, and then sends the generated control instruction to the processor, and the processor responds. In one embodiment, the principle of operation of the touch pad is: when a user's finger approaches or touches the touch panel, the capacitance changes, and a control Integrated Circuit (IC) of the touch panel detects the capacitance change and converts the capacitance change into a coordinate-related control command. The touch pad learns the moving condition of the finger by capacitance induction, and when the finger touches the board surface, the electrostatic field on the board surface can be changed. In addition, the touch panel can also have other types of working principles, and the realized functions all provide the touch operation function for the user.
In the embodiment of the invention, the sensor and the light source are integrally designed below the touch pad, and the sensor and the light source can realize the collection of finger vein images. The second area under the touch panel has a light source, and referring to fig. 5, specifically, the second area under the touch panel has a light source at a second position, and the light source functions as: light is emitted through the touch pad and onto a target, where the target is a vital sign object, such as a finger, through which blood flows. When light is irradiated to the target body through the touch panel, blood flowing in the target body has different biological expressions due to the irradiation.
In the embodiment of the present invention, the first area under the touch panel has a sensor, and specifically, referring to fig. 5, the first area under the touch panel has a sensor at a first position, and the sensor functions as: finger vein images were acquired. Specifically, blood flowing in the target body has different biological expressions due to irradiation, and based on this, the sensor detects an image of the target body formed by the irradiation of the light. Here, the object is a finger in particular, and the detected image is a finger vein image.
In the embodiment of the invention, when the light source is positioned in the first area below the touch pad, light emitted by the light source can irradiate to the first side surface of the target body through the touch pad; when the sensor is positioned in a second area below the touch pad, the sensor can detect an image formed by the second side surface of the target body due to the irradiation of the light; the area of the first side is different from the area of the second side. Referring to fig. 5, light emitted from a light source can be irradiated to the right side surface of an object through the touch panel, and a sensor can detect an image formed on the left side surface of the object by the irradiation of the light.
In the embodiment of the present invention, the position of the target body is referred to as a Finger detection position (Finger detect position), and the region in which the target body image can be detected on the touch panel is referred to as a Finger vein region (Finger vein area).
In one embodiment, the touch pad has a frame thereon indicating the finger vein area for indicating where the user's finger is placed.
In the embodiment of the invention, the touch panel adopts a sensor on glass (sensor on glass) design mode, and the sensor is a sensor for realizing the function of the touch panel. The bottom surface of the touch pad is coated with a light shielding layer, and the light shielding layer can project light rays of a first wave band and reflect light rays of a second wave band. The light emitted by the light source in the embodiment of the invention belongs to the first wave band; the light rays reflected by the surfaces of the light source and the sensor belong to the second waveband. Specifically, black ink is coated on the bottom surface of the glass to serve as a light shielding layer; the black ink only transmits Infrared (IR) light and reflects light of other wave bands, so that a sensor and a light source device in the touch panel are not seen, and the appearance is attractive. Here, the black ink was capable of projecting light at 850nm and had a light transmittance of 90%.
In an embodiment of the present invention, the sensor includes: a lens, a photosensitive layer; the lens can focus the light reflected by the target body due to the irradiation of the light on the photosensitive layer to form an image. Here, the focal length of a lens, by which light reflected by the target body due to the irradiation of the light can be converged on the photosensitive layer to form an image, is adjusted to an appropriate range according to the position of the sensor.
In one embodiment, the photosensitive layer is a Complementary Metal Oxide Semiconductor (CMOS) photosensitive layer, and the light source is an infrared light source.
In the embodiment of the present invention, the electronic device may be controlled to generate the first instruction through a specific key, or a key combination, or a gesture operation, or a touch operation, or a voice control operation, where the first instruction is used to set the function of the recognition apparatus to the on state. And after the electronic equipment obtains the generated first instruction, responding and executing the first instruction to realize that the function of the identification device is set to be in an opening state.
Step 102: when the function of the recognition device is in an on state, detecting whether a covering operation of a target body occurs at a first region of the touch panel by using the recognition device.
In the embodiment of the invention, a part of the touch area of the touch pad is used for finger vein recognition, and the whole area of the touch pad can be used for detecting touch operation. When the function of the recognition device is in an on state, a user can cover a finger (i.e. a target body) in an area for finger vein recognition, namely a first area, at this time, the recognition device emits light through a light source and irradiates the target body through the touch pad, and a sensor detects an image formed by the target body due to the irradiation of the light, so that the fact that the target body covering operation occurs in the first area of the touch pad can be determined.
Step 103: when a covering operation of a target body occurs at the first area, an image of the target body is captured and a function of the touch panel is set to a closed state.
In the embodiment of the invention, when the covering operation of the target body occurs in the first area, the identification device is informed to start to acquire the image of the target body through hardware interruption, and the acquired image is a finger vein image.
Meanwhile, the function of the touch pad is set to be in a closed state, and data interaction between the touch pad and the system is stopped. The touch pad is ensured not to interfere the realization of the finger vein recognition function when the function is realized.
Step 104: and after the image of the target body is acquired, setting the function of the identification device to be in a closed state, and setting the function of the touch pad to be in an open state.
In the embodiment of the invention, after the image of the target body is acquired, the function of the identification device is set to be in a closed state, and the function of the touch pad is set to be in an open state, so that the finger vein identification can not interfere with the realization of the function of the touch pad when the function of the touch pad is realized. Moreover, the purpose of saving electricity can be achieved.
Specifically, after the image of the target body is acquired, the finger vein region (i.e., the first region) is released, a recognition device is notified to complete current acquisition through General Purpose Input/Output (GPIO) hardware, and the function of the recognition device is set to a closed state.
In the embodiment of the invention, when the function of the touch pad is in an open state, the second area of the touch pad is used for detecting the touch operation; wherein the second region is a whole region or a partial region of the touch panel. In one embodiment, the second area is the whole area of the touch panel, that is, the whole area of the touch panel can realize the detection of the touch operation.
According to the technical scheme of the embodiment of the invention, the problem of mutual interference between the touch pad and the identification device is coordinated, the normal work of the touch pad and the identification device is ensured, and the user experience is improved; in addition, the technical scheme of the embodiment of the invention has lower cost and is easy to realize.
Fig. 2 is a schematic flowchart of a detection method according to a second embodiment of the present invention, where the detection method in this example is applied to an electronic device, and the electronic device includes: the touch screen comprises a main body, a touch pad arranged on the main body and a recognition device positioned below the touch pad; as shown in fig. 2, the detection method includes the following steps:
step 201: detecting, with the touch panel, whether a touch operation of a target body occurs at a first region of the touch panel; generating the first instruction when a touch operation of a target body occurs at the first area.
In the embodiment of the invention, the electronic equipment can be a notebook, a tablet computer and other equipment. The electronic device includes: the touch screen comprises a main body, a touch pad arranged on the main body and an identification device positioned below the touch pad. The identification device comprises: a sensor and more than one light source.
Taking the example that the identification device comprises one light source, referring to fig. 5, the one light source is located in a first area below the touch pad, and the sensor is located in a second area below the touch pad, wherein the first area is different from the second area.
In the embodiment of the invention, the main body refers to a housing for bearing the touch pad, the shape of the main body can be a rectangle or a rectangle with radian at the corner, and the shape of the main body can be flexibly designed according to the requirements and preferences of users. The main body is generally made of a light material such as plastic, so as to reduce the weight of the electronic device.
In the embodiment of the invention, the touch pad is arranged on the main body, and provides a touch operation function for a user, namely, the user can realize the touch operation on the touch pad, and the touch pad acquires the touch operation of the user, and then sends the generated control instruction to the processor, and the processor responds. In one embodiment, the principle of operation of the touch pad is: when a user's finger approaches or touches the touch panel, the capacitance changes, and the control IC of the touch panel detects the change in capacitance and converts the change into a control command associated with the coordinates. The touch pad learns the moving condition of the finger by capacitance induction, and when the finger touches the board surface, the electrostatic field on the board surface can be changed. In addition, the touch panel can also have other types of working principles, and the realized functions all provide the touch operation function for the user.
In the embodiment of the invention, the sensor and the light source are integrally designed below the touch pad, and the sensor and the light source can realize the collection of finger vein images. The second area under the touch panel has a light source, and referring to fig. 5, specifically, the second area under the touch panel has a light source at a second position, and the light source functions as: light is emitted through the touch pad and onto a target, where the target is a vital sign object, such as a finger, through which blood flows. When light is irradiated to the target body through the touch panel, blood flowing in the target body has different biological expressions due to the irradiation.
In the embodiment of the present invention, the first area under the touch panel has a sensor, and specifically, referring to fig. 5, the first area under the touch panel has a sensor at a first position, and the sensor functions as: finger vein images were acquired. Specifically, blood flowing in the target body has different biological expressions due to irradiation, and based on this, the sensor detects an image of the target body formed by the irradiation of the light. Here, the object is a finger in particular, and the detected image is a finger vein image.
In the embodiment of the invention, when the light source is positioned in the first area below the touch pad, light emitted by the light source can irradiate to the first side surface of the target body through the touch pad; when the sensor is positioned in a second area below the touch pad, the sensor can detect an image formed by the second side surface of the target body due to the irradiation of the light; the area of the first side is different from the area of the second side. Referring to fig. 5, light emitted from a light source can be irradiated to the right side surface of an object through the touch panel, and a sensor can detect an image formed on the left side surface of the object by the irradiation of the light.
In the embodiment of the present invention, the position of the target body is referred to as a Finger detection position (Finger detect position), and the region in which the target body image can be detected on the touch panel is referred to as a Finger vein region (Finger vein area).
In one embodiment, the touch pad has a frame thereon indicating the finger vein area for indicating where the user's finger is placed.
In the embodiment of the invention, the touch panel adopts a sensor on glass (sensor on glass) design mode, and the sensor is a sensor for realizing the function of the touch panel. The bottom surface of the touch pad is coated with a light shielding layer, and the light shielding layer can project light rays of a first wave band and reflect light rays of a second wave band. The light emitted by the light source in the embodiment of the invention belongs to the first wave band; the light rays reflected by the surfaces of the light source and the sensor belong to the second waveband. Specifically, black ink is coated on the bottom surface of the glass to serve as a light shielding layer; the black ink only transmits IR light and reflects light of other wave bands, so that the sensor and the light source device in the touch pad are not seen, and the appearance is attractive. Here, the black ink was capable of projecting light at 850nm and had a light transmittance of 90%.
In an embodiment of the present invention, the sensor includes: a lens, a photosensitive layer; the lens can focus the light reflected by the target body due to the irradiation of the light on the photosensitive layer to form an image. Here, the focal length of a lens, by which light reflected by the target body due to the irradiation of the light can be converged on the photosensitive layer to form an image, is adjusted to an appropriate range according to the position of the sensor.
In one embodiment, the photosensitive layer is a CMOS photosensitive layer and the light source is an infrared light source.
In the embodiment of the invention, the electronic equipment is controlled to generate the first instruction through touch operation, wherein the first instruction is used for setting the function of the identification device to be in an open state.
Specifically, when the touch panel detects a touch operation, a touch position of the touch operation is acquired. Here, the touch position of the touch operation may be represented by two-dimensional coordinates such as (x, y); wherein x represents the abscissa and y represents the ordinate. When a user needs to use the finger vein recognition function, a finger (i.e., a target body) is touched in a first area which is an area for finger vein recognition, at this time, the touch pad determines a touch position according to the detected touch operation, and judges that the touch operation occurs in the first area according to the touch position. Generating the first instruction when a touch operation of a target body occurs at the first area.
Step 202: and acquiring a first instruction, and setting the function of the identification device to be in an opening state.
In the embodiment of the invention, after the electronic equipment obtains the generated first instruction, the electronic equipment responds to and executes the first instruction, and the function of the identification device is set to be in an open state.
Step 203: when the function of the recognition device is in an on state, detecting whether a covering operation of a target body occurs at a first region of the touch panel by using the recognition device.
In the embodiment of the invention, a part of the touch area of the touch pad is used for finger vein recognition, and the whole area of the touch pad can be used for detecting touch operation. When the function of the recognition device is in an on state, a user can cover a finger (i.e. a target body) in an area for finger vein recognition, namely a first area, at this time, the recognition device emits light through a light source and irradiates the target body through the touch pad, and a sensor detects an image formed by the target body due to the irradiation of the light, so that the fact that the target body covering operation occurs in the first area of the touch pad can be determined.
Step 204: when a covering operation of a target body occurs at the first area, an image of the target body is captured and a function of the touch panel is set to a closed state.
In the embodiment of the invention, when the covering operation of the target body occurs in the first area, the identification device is informed to start to acquire the image of the target body through hardware interruption, and the acquired image is a finger vein image.
Meanwhile, the function of the touch pad is set to be in a closed state, and data interaction between the touch pad and the system is stopped. The touch pad is ensured not to interfere the realization of the finger vein recognition function when the function is realized.
Step 205: and after the image of the target body is acquired, setting the function of the identification device to be in a closed state, and setting the function of the touch pad to be in an open state.
In the embodiment of the invention, after the image of the target body is acquired, the function of the identification device is set to be in a closed state, and the function of the touch pad is set to be in an open state, so that the finger vein identification can not interfere with the realization of the function of the touch pad when the function of the touch pad is realized. Moreover, the purpose of saving electricity can be achieved.
Specifically, after the image of the target body is acquired, the finger vein area (i.e., the first area) is released, the identification device is notified to complete the current acquisition through the hardware GPIO, the function of the identification device is set to be in a closed state, and meanwhile, the function of the touch pad is set to be in an open state, so that the use of the touch pad by a user is not influenced.
In the embodiment of the invention, when the function of the touch pad is in an open state, the second area of the touch pad is used for detecting the touch operation; wherein the second region is a whole region or a partial region of the touch panel. In one embodiment, the second area is the whole area of the touch panel, that is, the whole area of the touch panel can realize the detection of the touch operation.
According to the technical scheme of the embodiment of the invention, the problem of mutual interference between the touch pad and the identification device is coordinated, the normal work of the touch pad and the identification device is ensured, and the user experience is improved; in addition, the technical scheme of the embodiment of the invention has lower cost and is easy to realize.
Fig. 3 is a schematic flowchart of a detection method according to a third embodiment of the present invention, where the detection method in this example is applied to an electronic device, and the electronic device includes: the touch screen comprises a main body, a touch pad arranged on the main body and a recognition device positioned below the touch pad; as shown in fig. 3, the detection method includes the following steps:
step 301: and acquiring a first instruction, and setting the function of the identification device to be in an opening state.
In the embodiment of the invention, the electronic equipment can be a notebook, a tablet computer and other equipment. The electronic device includes: the touch screen comprises a main body, a touch pad arranged on the main body and an identification device positioned below the touch pad. The identification device comprises: a sensor and more than one light source.
Taking the example that the identification device comprises one light source, referring to fig. 5, the one light source is located in a first area below the touch pad, and the sensor is located in a second area below the touch pad, wherein the first area is different from the second area.
In the embodiment of the invention, the main body refers to a housing for bearing the touch pad, the shape of the main body can be a rectangle or a rectangle with radian at the corner, and the shape of the main body can be flexibly designed according to the requirements and preferences of users. The main body is generally made of a light material such as plastic, so as to reduce the weight of the electronic device.
In the embodiment of the invention, the touch pad is arranged on the main body, and provides a touch operation function for a user, namely, the user can realize the touch operation on the touch pad, and the touch pad acquires the touch operation of the user, and then sends the generated control instruction to the processor, and the processor responds. In one embodiment, the principle of operation of the touch pad is: when a user's finger approaches or touches the touch panel, the capacitance changes, and the control IC of the touch panel detects the change in capacitance and converts the change into a control command associated with the coordinates. The touch pad learns the moving condition of the finger by capacitance induction, and when the finger touches the board surface, the electrostatic field on the board surface can be changed. In addition, the touch panel can also have other types of working principles, and the realized functions all provide the touch operation function for the user.
In the embodiment of the invention, the sensor and the light source are integrally designed below the touch pad, and the sensor and the light source can realize the collection of finger vein images. The second area under the touch panel has a light source, and referring to fig. 5, specifically, the second area under the touch panel has a light source at a second position, and the light source functions as: light is emitted through the touch pad and onto a target, where the target is a vital sign object, such as a finger, through which blood flows. When light is irradiated to the target body through the touch panel, blood flowing in the target body has different biological expressions due to the irradiation.
In the embodiment of the present invention, the first area under the touch panel has a sensor, and specifically, referring to fig. 5, the first area under the touch panel has a sensor at a first position, and the sensor functions as: finger vein images were acquired. Specifically, blood flowing in the target body has different biological expressions due to irradiation, and based on this, the sensor detects an image of the target body formed by the irradiation of the light. Here, the object is a finger in particular, and the detected image is a finger vein image.
In the embodiment of the invention, when the light source is positioned in the first area below the touch pad, light emitted by the light source can irradiate to the first side surface of the target body through the touch pad; when the sensor is positioned in a second area below the touch pad, the sensor can detect an image formed by the second side surface of the target body due to the irradiation of the light; the area of the first side is different from the area of the second side. Referring to fig. 5, light emitted from a light source can be irradiated to the right side surface of an object through the touch panel, and a sensor can detect an image formed on the left side surface of the object by the irradiation of the light.
In the embodiment of the present invention, the position of the target body is referred to as a Finger detection position (Finger detect position), and the region in which the target body image can be detected on the touch panel is referred to as a Finger vein region (Finger vein area).
In one embodiment, the touch pad has a frame thereon indicating the finger vein area for indicating where the user's finger is placed.
In the embodiment of the invention, the touch panel adopts a sensor on glass (sensor on glass) design mode, and the sensor is a sensor for realizing the function of the touch panel. The bottom surface of the touch pad is coated with a light shielding layer, and the light shielding layer can project light rays of a first wave band and reflect light rays of a second wave band. The light emitted by the light source in the embodiment of the invention belongs to the first wave band; the light rays reflected by the surfaces of the light source and the sensor belong to the second waveband. Specifically, black ink is coated on the bottom surface of the glass to serve as a light shielding layer; the black ink only transmits IR light and reflects light of other wave bands, so that the sensor and the light source device in the touch pad are not seen, and the appearance is attractive. Here, the black ink was capable of projecting light at 850nm and had a light transmittance of 90%.
In an embodiment of the present invention, the sensor includes: a lens, a photosensitive layer; the lens can focus the light reflected by the target body due to the irradiation of the light on the photosensitive layer to form an image. Here, the focal length of a lens, by which light reflected by the target body due to the irradiation of the light can be converged on the photosensitive layer to form an image, is adjusted to an appropriate range according to the position of the sensor.
In one embodiment, the photosensitive layer is a CMOS photosensitive layer and the light source is an infrared light source.
In the embodiment of the present invention, the electronic device may be controlled to generate the first instruction through a specific key, or a key combination, or a gesture operation, or a touch operation, or a voice control operation, where the first instruction is used to set the function of the recognition apparatus to the on state. And after the electronic equipment obtains the generated first instruction, responding and executing the first instruction to realize that the function of the identification device is set to be in an opening state.
Step 302: when the function of the recognition device is in an on state, detecting whether a covering operation of a target body occurs at a first region of the touch panel by using the recognition device.
In the embodiment of the invention, a part of the touch area of the touch pad is used for finger vein recognition, and the whole area of the touch pad can be used for detecting touch operation. When the function of the recognition device is in an on state, a user can cover a finger (i.e. a target body) in an area for finger vein recognition, namely a first area, at this time, the recognition device emits light through a light source and irradiates the target body through the touch pad, and a sensor detects an image formed by the target body due to the irradiation of the light, so that the fact that the target body covering operation occurs in the first area of the touch pad can be determined.
Step 303: when the covering operation of the target body occurs at the first area, utilizing the more than one light sources to emit light rays to irradiate the target body through the touch panel; detecting an image of the target body formed by the irradiation of the light rays by using the sensor; and setting the function of the touch pad to an off state.
In the embodiment of the invention, when the covering operation of the target body occurs in the first area, the identification device is informed to start to acquire the image of the target body through hardware interruption, and the acquired image is a finger vein image.
Meanwhile, the function of the touch pad is set to be in a closed state, and data interaction between the touch pad and the system is stopped. The touch pad is ensured not to interfere the realization of the finger vein recognition function when the function is realized.
In the embodiment of the invention, referring to fig. 5, light emitted by a light source is irradiated to the right side surface of an object body through the touch panel; and detecting an image formed by the left side surface of the target body due to the irradiation of the light rays by using the sensor.
Step 304: and after the image of the target body is acquired, setting the function of the identification device to be in a closed state, and setting the function of the touch pad to be in an open state.
In the embodiment of the invention, after the image of the target body is acquired, the function of the identification device is set to be in a closed state, and the function of the touch pad is set to be in an open state, so that the finger vein identification can not interfere with the realization of the function of the touch pad when the function of the touch pad is realized. Moreover, the purpose of saving electricity can be achieved.
Specifically, after the image of the target body is acquired, the finger vein area (i.e., the first area) is released, the identification device is notified to complete the current acquisition through the hardware GPIO, the function of the identification device is set to be in a closed state, and meanwhile, the function of the touch pad is set to be in an open state, so that the use of the touch pad by a user is not influenced.
In the embodiment of the invention, when the function of the touch pad is in an open state, the second area of the touch pad is used for detecting the touch operation; wherein the second region is a whole region or a partial region of the touch panel. In one embodiment, the second area is the whole area of the touch panel, that is, the whole area of the touch panel can realize the detection of the touch operation.
According to the technical scheme of the embodiment of the invention, the problem of mutual interference between the touch pad and the identification device is coordinated, the normal work of the touch pad and the identification device is ensured, and the user experience is improved; in addition, the technical scheme of the embodiment of the invention has lower cost and is easy to realize.
Fig. 4 is a schematic flowchart of a detection method according to a fourth embodiment of the present invention, where the detection method in this example is applied to an electronic device, and the electronic device includes: the touch screen comprises a main body, a touch pad arranged on the main body and a recognition device positioned below the touch pad; as shown in fig. 4, the detection method includes the following steps:
step 401: and acquiring a first instruction, and setting the function of the identification device to be in an opening state.
In the embodiment of the invention, the electronic equipment can be a notebook, a tablet computer and other equipment. The electronic device includes: the touch screen comprises a main body, a touch pad arranged on the main body and an identification device positioned below the touch pad. The identification device comprises: a sensor and more than one light source.
Taking the example that the identification device comprises one light source, referring to fig. 5, the one light source is located in a first area below the touch pad, and the sensor is located in a second area below the touch pad, wherein the first area is different from the second area.
In the embodiment of the invention, the main body refers to a housing for bearing the touch pad, the shape of the main body can be a rectangle or a rectangle with radian at the corner, and the shape of the main body can be flexibly designed according to the requirements and preferences of users. The main body is generally made of a light material such as plastic, so as to reduce the weight of the electronic device.
In the embodiment of the invention, the touch pad is arranged on the main body, and provides a touch operation function for a user, namely, the user can realize the touch operation on the touch pad, and the touch pad acquires the touch operation of the user, and then sends the generated control instruction to the processor, and the processor responds. In one embodiment, the principle of operation of the touch pad is: when a user's finger approaches or touches the touch panel, the capacitance changes, and the control IC of the touch panel detects the change in capacitance and converts the change into a control command associated with the coordinates. The touch pad learns the moving condition of the finger by capacitance induction, and when the finger touches the board surface, the electrostatic field on the board surface can be changed. In addition, the touch panel can also have other types of working principles, and the realized functions all provide the touch operation function for the user.
In the embodiment of the invention, the sensor and the light source are integrally designed below the touch pad, and the sensor and the light source can realize the collection of finger vein images. The second area under the touch panel has a light source, and referring to fig. 5, specifically, the second area under the touch panel has a light source at a second position, and the light source functions as: light is emitted through the touch pad and onto a target, where the target is a vital sign object, such as a finger, through which blood flows. When light is irradiated to the target body through the touch panel, blood flowing in the target body has different biological expressions due to the irradiation.
In the embodiment of the present invention, the first area under the touch panel has a sensor, and specifically, referring to fig. 5, the first area under the touch panel has a sensor at a first position, and the sensor functions as: finger vein images were acquired. Specifically, blood flowing in the target body has different biological expressions due to irradiation, and based on this, the sensor detects an image of the target body formed by the irradiation of the light. Here, the object is a finger in particular, and the detected image is a finger vein image.
In the embodiment of the invention, when the light source is positioned in the first area below the touch pad, light emitted by the light source can irradiate to the first side surface of the target body through the touch pad; when the sensor is positioned in a second area below the touch pad, the sensor can detect an image formed by the second side surface of the target body due to the irradiation of the light; the area of the first side is different from the area of the second side. Referring to fig. 5, light emitted from a light source can be irradiated to the right side surface of an object through the touch panel, and a sensor can detect an image formed on the left side surface of the object by the irradiation of the light.
In the embodiment of the present invention, the position of the target body is referred to as a Finger detection position (Finger detect position), and the region in which the target body image can be detected on the touch panel is referred to as a Finger vein region (Finger vein area).
In one embodiment, the touch pad has a frame thereon indicating the finger vein area for indicating where the user's finger is placed.
In the embodiment of the invention, the touch panel adopts a sensor on glass (sensor on glass) design mode, and the sensor is a sensor for realizing the function of the touch panel. The bottom surface of the touch pad is coated with a light shielding layer, and the light shielding layer can project light rays of a first wave band and reflect light rays of a second wave band. The light emitted by the light source in the embodiment of the invention belongs to the first wave band; the light rays reflected by the surfaces of the light source and the sensor belong to the second waveband. Specifically, black ink is coated on the bottom surface of the glass to serve as a light shielding layer; the black ink only transmits IR light and reflects light of other wave bands, so that the sensor and the light source device in the touch pad are not seen, and the appearance is attractive. Here, the black ink was capable of projecting light at 850nm and had a light transmittance of 90%.
In an embodiment of the present invention, the sensor includes: a lens, a photosensitive layer; the lens can focus the light reflected by the target body due to the irradiation of the light on the photosensitive layer to form an image. Here, the focal length of a lens, by which light reflected by the target body due to the irradiation of the light can be converged on the photosensitive layer to form an image, is adjusted to an appropriate range according to the position of the sensor.
In one embodiment, the photosensitive layer is a CMOS photosensitive layer and the light source is an infrared light source.
In the embodiment of the present invention, the electronic device may be controlled to generate the first instruction through a specific key, or a key combination, or a gesture operation, or a touch operation, or a voice control operation, where the first instruction is used to set the function of the recognition apparatus to the on state. And after the electronic equipment obtains the generated first instruction, responding and executing the first instruction to realize that the function of the identification device is set to be in an opening state.
Step 402: when the function of the recognition device is in an on state, detecting whether a covering operation of a target body occurs at a first region of the touch panel by using the recognition device.
In the embodiment of the invention, a part of the touch area of the touch pad is used for finger vein recognition, and the whole area of the touch pad can be used for detecting touch operation. When the function of the recognition device is in an on state, a user can cover a finger (i.e. a target body) in an area for finger vein recognition, namely a first area, at this time, the recognition device emits light through a light source and irradiates the target body through the touch pad, and a sensor detects an image formed by the target body due to the irradiation of the light, so that the fact that the target body covering operation occurs in the first area of the touch pad can be determined.
Step 403: when the covering operation of the target body occurs at the first area, utilizing the more than one light sources to emit light rays to irradiate the target body through the touch panel; detecting an image of the target body formed by the irradiation of the light rays by using the sensor; and setting the function of the touch pad to an off state.
In the embodiment of the invention, when the covering operation of the target body occurs in the first area, the identification device is informed to start to acquire the image of the target body through hardware interruption, and the acquired image is a finger vein image.
Meanwhile, the function of the touch pad is set to be in a closed state, and data interaction between the touch pad and the system is stopped. The touch pad is ensured not to interfere the realization of the finger vein recognition function when the function is realized.
In the embodiment of the invention, referring to fig. 5, light emitted by a light source is irradiated to the right side surface of an object body through the touch panel; and detecting an image formed by the left side surface of the target body due to the irradiation of the light rays by using the sensor.
Step 404: and after the image of the target body is acquired, setting the function of the identification device to be in a closed state, and setting the function of the touch pad to be in an open state.
In the embodiment of the invention, after the image of the target body is acquired, the function of the identification device is set to be in a closed state, and the function of the touch pad is set to be in an open state, so that the finger vein identification can not interfere with the realization of the function of the touch pad when the function of the touch pad is realized. Moreover, the purpose of saving electricity can be achieved.
Specifically, after the image of the target body is acquired, the finger vein area (i.e., the first area) is released, the identification device is notified to complete the current acquisition through the hardware GPIO, the function of the identification device is set to be in a closed state, and meanwhile, the function of the touch pad is set to be in an open state, so that the use of the touch pad by a user is not influenced.
In the embodiment of the invention, when the function of the touch pad is in an open state, the second area of the touch pad is used for detecting the touch operation; wherein the second region is a whole region or a partial region of the touch panel. In one embodiment, the second area is the whole area of the touch panel, that is, the whole area of the touch panel can realize the detection of the touch operation.
Step 405: after the image of the target body is collected, analyzing the image of the target body to obtain the characteristic data of the target body; and searching standard characteristic data matched with the characteristic data of the target body in a standard characteristic database, and determining the identity information of the target body according to the standard characteristic data.
In the embodiment of the invention, the standard characteristic database stores the characteristic data of fingers of different users, and different users correspond to different instructions, so that the electronic equipment can respond to different users correspondingly according to finger vein identification. Moreover, corresponding authority can be set for a specific user, only the feature data of the specific user is stored in the feature database, and the electronic equipment does not respond to other users.
According to the technical scheme of the embodiment of the invention, the problem of mutual interference between the touch pad and the identification device is coordinated, the normal work of the touch pad and the identification device is ensured, and the user experience is improved; in addition, the technical scheme of the embodiment of the invention has lower cost and is easy to realize.
Fig. 6 is a schematic structural composition diagram of an electronic device according to a fifth embodiment of the present invention, and as shown in fig. 6, the electronic device includes: a main body (not shown in the figure), a touch panel 61 provided on the main body, a recognition device 62 located below the touch panel 61, a processor 63; wherein the content of the first and second substances,
the processor 63 is configured to obtain a first instruction, and set the function of the identification device 62 to an on state;
the identification means 62 is configured to determine whether a covering operation of an object occurs at a first area of the touch panel 61 when a function of the identification means 62 is in an on state; acquiring an image of a target body when a covering operation of the target body occurs at the first region;
the processor 63, further configured to set the function of the touch panel 61 to an off state when a covering operation of an object occurs at the first area; after the recognition device 62 finishes capturing the image of the target body, the function of the recognition device 62 is set to be in a closed state, and the function of the touch panel 61 is set to be in an open state.
Those skilled in the art will understand that the functions implemented by each device in the electronic device shown in fig. 6 can be understood by referring to the related description of the detection method.
Fig. 7 is a schematic structural composition diagram of an electronic device according to a sixth embodiment of the present invention, and as shown in fig. 7, the electronic device includes: a main body (not shown in the figure), a touch panel 71 provided on the main body, a recognition device 72 located below the touch panel 71, a processor 73; wherein the content of the first and second substances,
the processor 73 is configured to obtain a first instruction, and set the function of the identification device 72 to an on state;
the recognition means 72 is configured to determine whether a covering operation of an object occurs at a first area of the touch panel 71 when a function of the recognition means 72 is in an on state; acquiring an image of a target body when a covering operation of the target body occurs at the first region;
the processor 73, further configured to set the function of the touch panel 71 to an off state when a covering operation of an object occurs at the first area; after the recognition device 72 finishes capturing the image of the target body, the function of the recognition device 72 is set to the off state, and the function of the touch panel 71 is set to the on state.
The touch panel 71, which is also used for detecting whether a touch operation of an object occurs at a first area of the touch panel 71;
the processor 73 is further configured to generate the first instruction when a touch operation of a target body occurs at the first area.
The touch panel 71 is further configured to perform detection of a touch operation using a second area of the touch panel 71 when the function of the touch panel 71 is in an on state; wherein the second region is a whole region or a partial region of the touch panel 71.
The recognition means 72 comprises: a sensor 721 and one or more light sources 722;
the identification device 72 is further configured to, when a covering operation of the target body occurs at the first area, irradiate light onto the target body through the touch panel 71 by using the one or more light sources 722; an image of the target body formed by the irradiation of the light is detected by the sensor 721.
Those skilled in the art will understand that the functions implemented by the devices in the electronic device shown in fig. 7 can be understood by referring to the related description of the detection method.
Fig. 8 is a schematic structural composition diagram of an electronic device according to a seventh embodiment of the present invention, and as shown in fig. 8, the electronic device includes: a main body (not shown in the figure), a touch panel 81 provided on the main body, a recognition device 82 located below the touch panel 81, a processor 83; wherein the content of the first and second substances,
the processor 83 is configured to obtain a first instruction, and set the function of the identification device 82 to an on state;
the recognition device 82 is configured to determine whether a target body covering operation occurs at a first region of the touch panel 81 when the function of the recognition device 82 is in an on state; acquiring an image of a target body when a covering operation of the target body occurs at the first region;
the processor 83 further configured to set the function of the touch panel 81 to an off state when a covering operation of an object occurs at the first area; after the recognition device 82 finishes capturing the image of the target body, the function of the recognition device 82 is set to be in a closed state, and the function of the touch pad 81 is set to be in an open state.
The touch panel 81, further configured to detect whether a touch operation of an object occurs at a first region of the touch panel 81;
the processor 83 is further configured to generate the first instruction when a touch operation of a target body occurs at the first area.
The touch panel 81 is further configured to detect a touch operation by using a second region of the touch panel 81 when the function of the touch panel 81 is in an on state; wherein the second region is a whole region or a partial region of the touch panel 81.
The recognition means 82 comprises: a sensor 821 and one or more light sources 822;
the identification device 82 is further configured to utilize the one or more light sources 822 to emit light to irradiate the target body through the touch panel 81 when the covering operation of the target body occurs at the first area; the sensor 821 detects an image of the target body formed by the irradiation of the light.
The processor 83 is further configured to, after the recognition device 82 collects the image of the target body, analyze the image of the target body to obtain feature data of the target body; searching standard characteristic data matched with the characteristic data of the target body in a standard characteristic database, and determining the identity information of the target body according to the standard characteristic data;
the electronic device further includes: a memory 84 for storing the standard feature database.
Those skilled in the art will understand that the functions implemented by each device in the electronic device shown in fig. 8 can be understood by referring to the related description of the foregoing detection method.
The technical schemes described in the embodiments of the present invention can be combined arbitrarily without conflict.
In the embodiments provided in the present invention, it should be understood that the disclosed method and intelligent device may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one second processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Claims (10)
1. A detection method is applied to electronic equipment, and the electronic equipment is characterized by comprising the following steps: the touch screen comprises a main body, a touch pad arranged on the main body and a recognition device positioned below the touch pad; the identification device comprises: a sensor and one or more light sources; the function of the sensor is to collect finger vein images; the sensor includes: a lens, a photosensitive layer; the lens is used for converging light rays reflected by a target body due to the irradiation of the light rays on the photosensitive layer to form a finger vein image of the target body; a frame on the touchpad marking a first area for indicating a location at which a target is to be placed, the method comprising:
acquiring a first instruction, and setting the function of the identification device to be in an opening state;
detecting, with the recognition device, whether a covering operation of a target body occurs at the first area of the touch panel when a function of the recognition device is in an on state; when a covering operation of a target body occurs at the first area, acquiring a finger vein image of the target body and setting a function of the touch panel to a closed state;
wherein the detecting, with the identification device, whether an overlay operation of a target body occurs at the first area of the touch panel includes: the light emitted by the light source of the identification device penetrates through the touch panel to irradiate the first area, and if the sensor detects that a finger vein image formed by the irradiation of the light on a target body exists, the covering operation of the target body at the first area is determined;
and after the finger vein image of the target body is acquired, setting the function of the identification device to be in a closed state, and setting the function of the touch pad to be in an open state.
2. The detection method according to claim 1, further comprising:
detecting, with the touch panel, whether a touch operation of a target body occurs at a first region of the touch panel;
generating the first instruction when a touch operation of a target body occurs at the first area.
3. The detection method according to claim 1, further comprising:
when the function of the touch pad is in an open state, detecting touch operation by using a second area of the touch pad; wherein the second region is a whole region or a partial region of the touch panel.
4. The detection method according to claim 1,
the acquiring an image of the target body when the covering operation of the target body occurs at the first region includes:
when the covering operation of the target body occurs at the first area, utilizing the more than one light sources to emit light rays to irradiate the target body through the touch panel;
and detecting an image formed by the target body due to the irradiation of the light rays by using the sensor.
5. The detection method according to any one of claims 1 to 4, characterized in that the method further comprises:
after the image of the target body is collected, analyzing the image of the target body to obtain the characteristic data of the target body;
and searching standard characteristic data matched with the characteristic data of the target body in a standard characteristic database, and determining the identity information of the target body according to the standard characteristic data.
6. An electronic device, characterized in that the electronic device comprises: the touch screen comprises a main body, a touch pad arranged on the main body, a recognition device positioned below the touch pad and a processor; the identification device comprises: a sensor and one or more light sources; the function of the sensor is to collect finger vein images; the sensor includes: a lens, a photosensitive layer; the lens is used for converging light rays reflected by a target body due to the irradiation of the light rays on the photosensitive layer to form a finger vein image of the target body; the touchpad having a frame thereon identifying a first region for indicating where the target body is to be placed, wherein,
the processor is used for obtaining a first instruction and setting the function of the identification device to be in an opening state;
the recognition device is used for detecting whether the covering operation of the target body occurs at the first area of the touch pad or not when the function of the recognition device is in an opening state; acquiring a finger vein image of a target body when a covering operation of the target body occurs at the first region;
wherein the detecting whether a target overlay operation occurs at the first region of the touch pad includes: the light emitted by the light source of the identification device penetrates through the touch panel to irradiate the first area, and if the sensor detects that a finger vein image formed by the irradiation of the light on a target body exists, the covering operation of the target body at the first area is determined;
the processor is further configured to set a function of the touch panel to an off state when a cover operation of a target body occurs at the first area; and after the identification device collects the finger vein image of the target body, setting the function of the identification device to be in a closed state, and setting the function of the touch pad to be in an open state.
7. The electronic device of claim 6,
the touch panel is further used for detecting whether a touch operation of an object body occurs at a first area of the touch panel;
the processor is further configured to generate the first instruction when a touch operation of a target body occurs at the first area.
8. The electronic device according to claim 6, wherein the touch panel is further configured to perform detection of a touch operation using the second region of the touch panel when the function of the touch panel is in an on state; wherein the second region is a whole region or a partial region of the touch panel.
9. The electronic device of claim 6,
the identification device is further used for utilizing the more than one light sources to emit light rays to irradiate the target body through the touch pad when the covering operation of the target body occurs at the first area; and detecting an image formed by the target body due to the irradiation of the light rays by using the sensor.
10. The electronic device according to any one of claims 6 to 9, wherein the processor is further configured to, after the recognition device acquires the image of the target, analyze the image of the target to obtain feature data of the target; searching standard characteristic data matched with the characteristic data of the target body in a standard characteristic database, and determining the identity information of the target body according to the standard characteristic data;
the electronic device further includes: a memory for storing the standard feature database.
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