CN111258412A - Gesture operation recognition method and gesture control device applying same - Google Patents
Gesture operation recognition method and gesture control device applying same Download PDFInfo
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- CN111258412A CN111258412A CN201811450731.0A CN201811450731A CN111258412A CN 111258412 A CN111258412 A CN 111258412A CN 201811450731 A CN201811450731 A CN 201811450731A CN 111258412 A CN111258412 A CN 111258412A
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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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- 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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03547—Touch pads, in which fingers can move on a surface
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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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
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Abstract
The invention relates to a gesture operation recognition method, wherein a plurality of touch signal points are distributed in a touch area; dividing the touch signal point into at least two regions having different region values; sequentially acquiring region values corresponding to all touch signal points through which the operation gesture passes in the touch region according to the operation gesture sequence, and further forming an operation gesture code; and comparing the operation gesture code with the stored gesture identification code corresponding to each operation instruction, and further acquiring a corresponding standard gesture result. The invention also relates to a gesture control device which comprises a panel with a touch area, a plurality of induction keys distributed below the touch area of the panel and a circuit board electrically connected with the induction keys. The gesture operation recognition method and the gesture control device using the same have the advantages of small calculation amount and high recognition accuracy.
Description
Technical Field
The invention relates to a gesture operation recognition method and a gesture control device applying the gesture operation recognition.
Background
Intelligent operation is becoming more and more common with the increasing degree of intellectualization of home appliances. For example, the chinese utility model patent with the publication number CN207232887U (application number CN201720886677.9) "a gesture control and adjustment device", wherein the disclosed gesture control and adjustment device comprises: the PCB comprises a PCB circuit board, wherein four corners of the PCB circuit board are provided with mounting holes; the PCB circuit board is also provided with a main control chip, a function display circuit for displaying a function state and a gesture recognition circuit; the motor is connected with the main control chip on the PCB circuit board; the gesture recognition circuit is used for acquiring gesture signals of a user in real time, the gesture recognition circuit sends the gesture signals of the user to the main control chip, the main control chip sends gear adjusting signals to the motor after acquiring the gesture signals, the motor responds according to the gear adjusting signals, when adjustment is carried out, the user is required to repeatedly carry out sliding motion in one direction to adjust the gear to the required gear, when the gear span required to be adjusted is high, the operation is relatively complex, and the gear is difficult to accurately adjust to the required gear.
The patent of chinese utility model with the publication number CN202931503 (application number is 201220566377. X)' a remote control system and a television set capable of gesture recognition, wherein when the disclosed remote control system is used, a user needs to input an operation gesture on a touch pad of a remote controller, a main control chip in the remote controller compares and recognizes the operation gesture with the operation gesture in a gesture library in a memory, and then obtains a recognition result, and operates according to the recognition result. The operation method is simpler, but the method has the problem of recognition rate when performing gesture recognition, and the effect of completely accurate recognition is difficult to achieve.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a gesture operation recognition method capable of accurately recognizing a gesture in view of the above-mentioned prior art.
A second technical problem to be solved by the present invention is to provide a gesture control device capable of performing accurate gesture control in view of the above-mentioned prior art.
The technical scheme adopted by the invention for solving the first technical problem is as follows: a gesture operation recognition method is characterized in that: the touch area is provided with a plurality of touch signal points; dividing the touch signal point into at least two regions having different region values;
sequentially acquiring region values corresponding to all touch signal points through which the operation gesture passes in the touch region according to the operation gesture sequence, and further forming an operation gesture code;
and comparing the operation gesture code with the stored gesture identification code corresponding to each operation instruction, and further acquiring a corresponding standard gesture result.
In order to accelerate the recognition speed and ensure an accurate recognition result, the gesture recognition code at least comprises a simplified zone bit code which can represent a region through which a gesture corresponding to an operation instruction passes according to an action sequence;
the gesture recognition codes corresponding to the same simplified zone code also comprise at least one level of auxiliary codes formed by operation gesture code segments with distinguishing characteristics in the operation instruction;
combining continuous same region values in the operation gesture codes to further obtain an operation gesture zone code capable of representing a region through which an operation gesture passes according to the action sequence, comparing the operation gesture zone code with simplified zone codes corresponding to the operation instructions, and judging to further obtain a target operation instruction;
judging whether the target operation is unique, if so, acquiring an operation instruction corresponding to the operation gesture code;
if not, the auxiliary codes corresponding to the target operation instructions and the operation gesture codes are compared and calculated in a grading mode, the corresponding auxiliary codes included in the operation gesture codes are judged, and then the operation instructions corresponding to the operation gesture codes are determined.
The technical scheme adopted by the invention for solving the second technical problem is as follows: a gesture control apparatus, characterized in that: comprises that
A panel having a touch area;
the induction keys comprise a plurality of induction keys which are distributed below the touch area of the panel;
and the circuit board is electrically connected with the induction key and is used for acquiring the detection signal transmitted by the induction key and outputting the identified instruction signal.
Preferably, the circuit board includes an inductive key detection circuit and a controller electrically connected to the inductive key detection circuit, and the inductive key detection circuit is electrically connected to each inductive key.
Alternatively, the plurality of induction keys may be arranged in a rectangular arrangement or in a divergent arrangement.
Preferably, the inductive key is a capacitive key.
Compared with the prior art, the invention has the advantages that: in the gesture operation recognition method, the touch signal points are arranged in the touch area, and are regionalized, so that the gesture action is encoded, the calculated amount is small during comparison, and the recognition result is more accurate. In particular, the gesture recognition codes corresponding to the operation instructions are set as simplified zone codes and auxiliary codes, so that the gesture recognition codes corresponding to the operation instructions are unique, and the complete accuracy of operation gesture recognition is ensured.
Compared with the existing gesture control device, the gesture control device of the gesture operation recognition method applied correspondingly has the advantages of small calculation amount, low requirement on hardware, high recognition speed, capability of ensuring the accuracy of a recognition result and stronger operability.
Drawings
Fig. 1 is a block diagram of a gesture control apparatus according to an embodiment of the present invention.
FIG. 2 is a diagram illustrating a distribution of inductive keys in accordance with an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 and 2, the gesture control device in this embodiment includes
A panel having a touch area; the panel can be directly a panel on a product, such as a front panel of a range hood, an upper panel of a kitchen range and the like; the method comprises the steps that a touch area is marked in a product, and a user is instructed to perform gesture operation in the specified touch area;
the induction key 1 comprises a plurality of induction keys; the induction keys 1 in the embodiment adopt capacitance keys, the induction keys 1 are distributed below the touch area of the panel, and the induction keys 1 can be arranged in a rectangular shape or a divergent circular shape; when a user slides in the touch area of the panel, the capacitance value of the induction key 1 corresponding to the position where the finger of the user passes changes;
the circuit board 2 is electrically connected with the induction key 1 and is used for acquiring a detection signal transmitted by the induction key 1 and outputting an identified instruction signal; the circuit board 2 in this embodiment includes an inductive key detection circuit 21 and a controller 22 electrically connected to the inductive key detection circuit 21; the key sensor detection circuit 21 is electrically connected to each key sensor 1. When the user performs a gesture operation, the sensor key detection circuit 21 can obtain a capacitance change signal corresponding to the sensor key 1 and then transmit the capacitance change signal to the controller 22, and the controller 22 can obtain an operation gesture code corresponding to the operation gesture according to the signal.
The gesture operation recognition method in the embodiment includes the following steps:
the touch area is provided with a plurality of touch signal points, and the touch signal points are formed by the points of the induction key 1 corresponding to the touch area in the embodiment; dividing the touch signal point into at least two areas with different area values, and dividing the areas according to specific needs, such as dividing the areas into a plurality of areas distributed along the up-down direction and a plurality of areas distributed along the left-right direction, wherein the division rule is mainly determined according to the gesture content to be recognized; if the digital identification is carried out, the digital identification can be divided into a plurality of areas distributed along the up-down direction, and each area is set with an area code;
sequentially acquiring region values corresponding to all touch signal points through which the operation gesture passes in the touch region according to the operation gesture sequence, and further forming an operation gesture code;
comparing the operation gesture code with the stored gesture identification code corresponding to each operation instruction, and further acquiring a corresponding standard gesture result;
the gesture recognition code in this embodiment at least includes a simplified zone code that can represent a region through which a gesture corresponding to the operation instruction passes according to the action sequence;
the gesture recognition codes corresponding to the same simplified zone code also comprise at least one level of auxiliary codes formed by operation gesture code segments with distinguishing characteristics in the operation instruction;
combining continuous same region values in the operation gesture codes to further obtain an operation gesture zone code capable of representing a region through which an operation gesture passes according to the action sequence, comparing the operation gesture zone code with simplified zone codes corresponding to the operation instructions, and judging to further obtain a target operation instruction;
judging whether the target operation is unique, if so, acquiring an operation instruction corresponding to the operation gesture code;
if not, the auxiliary codes corresponding to the target operation instructions and the operation gesture codes are compared and calculated in a grading mode, the corresponding auxiliary codes included in the operation gesture codes are judged, and then the operation instructions corresponding to the operation gesture codes are determined.
A gesture operation identification method is explained in detail by taking a specific number identification process as an example;
nine induction keys 1 are arranged in a rectangle according to three rows and three columns, the region is divided along the horizontal direction, and then three regions along the vertical direction are formed, and the region codes of the three regions are a, b and c respectively according to the sequence from top to bottom.
Setting gesture recognition codes corresponding to 1 to 9 numbers:
number 1: a simplified region bit code abc; (2, 3, 7 are not 1, put on final recognition)
Number 2: the simplified region-bit code abc, the auxiliary code bcc. (i.e., the number 2 is characterized by the last stroke being vertical and horizontal);
number 3: the reduced region-bit code abc, the auxiliary code bbc. (i.e., the number 3 is characterized by the middle stroke being horizontal and vertical);
number 4: a simplified region bit code ababc;
number 5: simplifying the region bit code abca;
number 6: a reduced region bit code abcb;
number 7: the region bit code abc is simplified and aab is encoded in an auxiliary manner. (namely, the number 7 is characterized in that the initial stroke is horizontal and vertical, and 2 also comprises horizontal and vertical, but the program execution is sequential, and only needs to be recognized after 2);
number 8: simplifying the region bit code abcba;
numeral 9: a simplified region bit code ababc; the accessory code aab.
The identification process of the number 2 is taken as an example for explanation:
the operation gesture code detected by the number 2 corresponding to the number is usually aaabccc, and the operation gesture zone code obtained by merging the operation gesture codes is abc.
When the operation gesture zone bit code is abc, the determined target operation command is number 1, number 2, number 3, and number 7, and then it is determined that the operation gesture code aaabccc corresponding to the number 2 includes the auxiliary code bcc corresponding to the number 2, and then it is determined that the operation gesture is number 2, and further control can be performed according to the command corresponding to the number 2.
Claims (6)
1. A gesture operation recognition method is characterized in that: the touch area is provided with a plurality of touch signal points; dividing the touch signal point into at least two regions having different region values;
sequentially acquiring region values corresponding to all touch signal points through which the operation gesture passes in the touch region according to the operation gesture sequence, and further forming an operation gesture code;
and comparing the operation gesture code with the stored gesture identification code corresponding to each operation instruction, and further acquiring a corresponding standard gesture result.
2. The gesture operation recognition method according to claim 1, characterized in that: the gesture recognition code at least comprises a simplified zone bit code which can represent a zone through which the gesture corresponding to the operation instruction passes according to the action sequence;
the gesture recognition codes corresponding to the same simplified zone code also comprise at least one level of auxiliary codes formed by operation gesture code segments with distinguishing characteristics in the operation instruction;
combining continuous same region values in the operation gesture codes to further obtain an operation gesture zone code capable of representing a region through which an operation gesture passes according to the action sequence, comparing the operation gesture zone code with simplified zone codes corresponding to the operation instructions, and judging to further obtain a target operation instruction;
judging whether the target operation is unique, if so, acquiring an operation instruction corresponding to the operation gesture code;
if not, the auxiliary codes corresponding to the target operation instructions and the operation gesture codes are compared and calculated in a grading mode, the corresponding auxiliary codes included in the operation gesture codes are judged, and then the operation instructions corresponding to the operation gesture codes are determined.
3. A gesture control apparatus, characterized in that: comprises that
A panel having a touch area;
the induction key (1) comprises a plurality of induction keys which are distributed below the touch area of the panel;
and the circuit board (2) is electrically connected with the induction key (1) and is used for acquiring the detection signal transmitted by the induction key (1) and outputting the identified instruction signal.
4. The gesture control apparatus according to claim 3, characterized in that: the circuit board (2) comprises an induction key detection circuit (21) and a controller (22) electrically connected with the induction key detection circuit (21), and the induction key detection circuit (21) is electrically connected with each induction key (1).
5. The gesture control apparatus according to claim 3 or 4, characterized in that: the induction keys (1) are arranged in a rectangular shape or in a divergent shape.
6. The gesture control apparatus according to claim 3 or 4, characterized in that: the induction key (1) is a capacitance key.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811450731.0A CN111258412B (en) | 2018-11-30 | 2018-11-30 | Gesture operation recognition method and gesture control device applying same |
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| CN201811450731.0A CN111258412B (en) | 2018-11-30 | 2018-11-30 | Gesture operation recognition method and gesture control device applying same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009359A (en) * | 2020-09-03 | 2020-12-01 | 重庆金康赛力斯新能源汽车设计院有限公司 | Intelligent switch control method and system for automobile |
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- 2018-11-30 CN CN201811450731.0A patent/CN111258412B/en active Active
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| CN101334698A (en) * | 2008-08-01 | 2008-12-31 | 广东威创视讯科技股份有限公司 | Intelligent input method and device based on interactive input apparatus |
| CN103324425A (en) * | 2012-12-13 | 2013-09-25 | 重庆优腾信息技术有限公司 | Command execution method and device based on gestures |
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