CN105678279A - Human body intelligent recognition air conditioner system under high-blast refrigeration, and image processing method therefor - Google Patents
Human body intelligent recognition air conditioner system under high-blast refrigeration, and image processing method therefor Download PDFInfo
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- CN105678279A CN105678279A CN201610078024.8A CN201610078024A CN105678279A CN 105678279 A CN105678279 A CN 105678279A CN 201610078024 A CN201610078024 A CN 201610078024A CN 105678279 A CN105678279 A CN 105678279A
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
- F24F2120/14—Activity of occupants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/54—Heating and cooling, simultaneously or alternatively
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to the air-conditioning technology, mainly solves a problem that two sides of an image will be recognized wrongly in the prior art during the human body intelligent recognition under high-blast refrigeration, and provides a human body intelligent recognition air conditioner system under high-blast refrigeration, and an image processing method therefor. The technical scheme of the invention can be summarized in a manner that the system consists of an image processing module and an infrared imaging module, wherein the infrared imaging module is used for collecting temperature data and transmitting the temperature data to the image processing module; the image processing module is used for arranging the received temperature data according to a certain rule, carrying out interpolation of the arranged data among columns, obtaining an image after interpolation, carrying out the median filtering of the image after interpolation, and carrying out the human body recognition of the image after median filtering. The beneficial effects of the invention are that the system reduces the recognition error rate and is suitable for an air conditioning system.
Description
Technical field
The present invention relates to air-conditioner technology, particularly to the technology of intelligent air condition identification human body.
Background technology
The issue of Changhong CHiQ air-conditioning, has overturned tradition, and it is based on unique body state cognition technology, changed to software definition air-conditioning by hardware definition air-conditioning on the one hand, realize working in coordination with between people and the interaction of air-conditioning, equipment, while ensureing human comfort, energy-saving and cost-reducing; On the other hand from user's request angle, meet user's request by plurality of application scenes pattern rather than pure function. Therefore, the traditional air conditioner theory of " hardware+function " overturned by Changhong CHiQ air-conditioning, has started the development new direction of " software+application scenarios pattern ".
Changhong CHiQ air-conditioning is according to the man-machine distance of perception identification, crowd's quantity, position etc., for zones of different, automatically adjusts the parameters such as air-out mode, wind speed, wind direction, dynamically adjusts the comfort level of each subregion. More marvellous is, people can set VIP people's mode of priority for ad-hoc location within the scope of air-conditioning wind-force angle of radiation, when user is when preferential comfort zone, CHiQ can carry out temperature, humidity, wind speed and direction adjustment targetedly, and old friend's body state Intelligent Identify is the function of Changhong CHiQ air-conditioning core the most.
For reducing cost, Changhong CHiQ air-conditioning adopts the low resolution non-brake method mid-infrared sensor of 4*16 to replace the infrared camera of high score ratio high cost, and under certain algorithm, realize human body information identification, its recognition methods is: first when air-conditioner is in intelligent mode, it is scanned space carrying out temperature acquisition, the data gathered are arranged in image according to certain rule, and carry out edge image extension, then it is carried out medium filtering, obtain the image after medium filtering, it is carried out human bioequivalence, and the relation according to temperature and distance obtains the distance between people and air-conditioner. usually, human body presents three kinds of postures before air-conditioning, namely stance, sitting posture, sleeping position, stance, sitting posture are easy to be identified by current Changhong CHiQ air-conditioning, but owing to its outer sensor resolution adopted is very low, although the human body information identification under room temperature is freezed is easier to, but when high wind freezes, there will be the situation of misrecognized on the both sides of figure.
Summary of the invention
The problem that there will be misrecognized on figure both sides when the invention aims to solve Intelligent Recognition human body under current high wind refrigeration, it is provided that the air conditioning system of the lower Intelligent Recognition human body of a kind of high wind refrigeration and image processing method thereof.
This invention address that its technical problem, employed technical scheme comprise that, the air conditioning system of the lower Intelligent Recognition human body of high wind refrigeration, including image processing module and infrared imaging module, it is characterised in that
Described infrared imaging module is used for collecting temperature data, is transferred to image processing module;
Described image processing module is for arranging the temperature data received according to certain rule, and the data arranged are carried out interpolation processing between the column and the column, obtain the image after interpolation, the image after this interpolation is carried out medium filtering again, then the image after medium filtering is carried out human body information identification.
Concrete, described infrared imaging module includes low resolution infrared sensor and the motor of 4*16, and the low resolution infrared sensor of described 4*16 is connected with motor.
Further, described infrared imaging module, when collecting temperature data, is driven the low resolution infrared sensor of connected 4*16 to be progressively scanned and data acquisition according to the rotational order of 1 ° ,-1 ° ,-1 ° ,-13 ° by motor.
Concrete, the interpolation processing that the described data to arranging carry out between the column and the column refers to: set two row temperature data respectively A1～An and B1～Bn, then inserting a column data between two row temperature datas is C1～Cn, wherein, if during Am > Bm, Cm=(3*Am+Bm)/4, otherwise Cm=(Am+3*Bm)/4, wherein, n ∈ [1,16], m is the natural number be more than or equal to 1 less than or equal to n.
Further, described image after interpolation is carried out medium filtering refer to: only data transversely in the image after interpolation are carried out medium filtering process, its computing formula is: g (x)=med{f (x-k), (k ∈ W) }, wherein, g (x) is the image after processing, and f (x) is original image, W is one-dimensional sleiding form, and its span is the region of 1*21.
Concrete, described one-dimensional sleiding form is continually changing, it is possible to the data arranged be ranked up according to the size of value, generates the one-dimensional data sequence of monotone increasing.
The image processing method of the lower Intelligent Recognition human body of high wind refrigeration, it is characterised in that comprise the following steps:
Step 1, carry out temperature data acquisition;
Step 2, the temperature data gathered is arranged according to certain rule, and the data arranged are carried out interpolation processing between the column and the column, obtain the image after interpolation;
Step 3, the image after interpolation is carried out medium filtering, then the image after medium filtering is carried out human body information identification.
Concrete, in step 1, the method for described temperature data acquisition is: adopt motor to drive the low resolution infrared sensor of connected 4*16 to be progressively scanned and data acquisition according to the rotational order of 1 ° ,-1 ° ,-1 ° ,-13 °.
Further, in step 2, the described data to arranging carry out the method for interpolation processing between the column and the column and are: set two row temperature data respectively A1～An and B1～Bn, then inserting a column data between two row temperature datas is C1～Cn, wherein, if during Am > Bm, Cm=(3*Am+Bm)/4, otherwise Cm=(Am+3*Bm)/4, wherein, n ∈ [1,16], m are the natural number be more than or equal to 1 less than or equal to n.
Concrete, in step 3, described image after interpolation is carried out medium filtering refer to: only data transversely in the image after interpolation are carried out medium filtering process, its computing formula is: g (x)=med{f (x-k), (k ∈ W) }, wherein, g (x) is the image after processing, f (x) is original image, and W is one-dimensional sleiding form, and its span is the region of 1*21.
The invention has the beneficial effects as follows, in the present invention program, by the air conditioning system of the lower Intelligent Recognition human body of above-mentioned high wind refrigeration and image processing method thereof, before underway value filtering, the interpolation processing carried out between the column and the column instead of the mode extended in image border of the prior art, effectively reduces false recognition rate.
Accompanying drawing explanation
Fig. 1 is the system block diagram of the air conditioning system of the lower Intelligent Recognition human body of height wind of the present invention refrigeration.
Detailed description of the invention
Below in conjunction with drawings and Examples, technical scheme is described in detail.
The air conditioning system of the lower Intelligent Recognition human body of high wind refrigeration of the present invention is made up of image processing module and infrared imaging module, and its system block diagram is referring to Fig. 1, and wherein, infrared imaging module is used for collecting temperature data, is transferred to image processing module; Image processing module is for arranging the temperature data received according to certain rule, and the data arranged are carried out interpolation processing between the column and the column, obtain the image after interpolation, the image after this interpolation is carried out medium filtering again, then the image after medium filtering is carried out human body information identification.
The image processing method of the lower Intelligent Recognition human body of high wind refrigeration of the present invention is: first carry out temperature data acquisition, again the temperature data gathered is arranged according to certain rule, and the data arranged are carried out interpolation processing between the column and the column, obtain the image after interpolation, then the image after interpolation is carried out medium filtering, then the image after medium filtering is carried out human body information identification.
Embodiment
The air conditioning system of the lower Intelligent Recognition human body of high wind refrigeration of the embodiment of the present invention is made up of image processing module and infrared imaging module, and its system block diagram is referring to Fig. 1, and wherein, infrared imaging module is used for collecting temperature data, is transferred to image processing module; Image processing module is for arranging the temperature data received according to certain rule, and the data arranged are carried out interpolation processing between the column and the column, obtain the image after interpolation, the image after this interpolation is carried out medium filtering again, then the image after medium filtering is carried out human body information identification.
In this example, infrared imaging module adopts the low resolution infrared sensor of 4*16, also include motor, the low resolution infrared sensor of 4*16 is connected with motor, it is advantageous that the infrared camera relative to high-resolution high cost, with low cost, can effectively reduce the holistic cost of air conditioning system, infrared imaging module, when collecting temperature data, is driven the low resolution infrared sensor of connected 4*16 to be progressively scanned and data acquisition according to the rotational order of 1 ° ,-1 ° ,-1 ° ,-13 ° by motor.
Wherein, the interpolation processing that the data arranged are carried out between the column and the column refers to: set two row temperature data respectively A1～An and B1～Bn, then inserting a column data between two row temperature datas is C1～Cn, wherein, if during Am > Bm, Cm=(3*Am+Bm)/4, otherwise Cm=(Am+3*Bm)/4, wherein, n ∈ [1,16], m is the natural number be more than or equal to 1 less than or equal to n.
Additionally, image after interpolation is carried out medium filtering refer to: first, medium filtering is based on a kind of nonlinear signal processing technology that can effectively suppress noise that sequencing statistical is theoretical, the ultimate principle of medium filtering is that the Mesophyticum of each point value in a neighborhood of this point of the value of any in digital picture or Serial No. is replaced, allow the actual value that the pixel value of surrounding is close, thus eliminating isolated noise spot, because the data in the present invention are relatively fewer in the vertical, consider the DeGrain processed, therefore only data transversely in the image after interpolation are carried out medium filtering process, its computing formula is: g (x)=med{f (x-k), (k ∈ W) }, wherein, g (x) is the image after processing, f (x) is original image, W is one-dimensional sleiding form, its span is the region of 1*21, this one-dimensional sleiding form is continually changing, the data arranged can be ranked up according to the size of value, generate the one-dimensional data sequence of monotone increasing, its object is to: attitude residing for different situation servants is different, and we are not aware which kind of attitude people is in advance, so one-dimensional sleiding form is continually changing, the optimal Template that can mate the concrete attitude of people is found out with this, and just carry out follow-up work according to this optimal Template afterwards.
During use, comprise the following steps:
Step 1, carry out temperature data acquisition.
In this step, the method for temperature data acquisition is: adopt motor to drive the low resolution infrared sensor of connected 4*16 to be progressively scanned and data acquisition according to the rotational order of 1 ° ,-1 ° ,-1 ° ,-13 °.
Step 2, the temperature data gathered is arranged according to certain rule, and the data arranged are carried out interpolation processing between the column and the column, obtain the image after interpolation.
In this step, the method that the data arranged carry out interpolation processing between the column and the column can be: sets two row temperature data respectively A1～An and B1～Bn, then inserting a column data between two row temperature datas is C1～Cn, wherein, if during Am > Bm, Cm=(3*Am+Bm)/4, otherwise Cm=(Am+3*Bm)/4, wherein, n ∈ [1,16], m is the natural number be more than or equal to 1 less than or equal to n.
Step 3, the image after interpolation is carried out medium filtering, then the image after medium filtering is carried out human body information identification.
In this step, described image after interpolation is carried out medium filtering refer to: only data transversely in the image after interpolation are carried out medium filtering process, its computing formula is: g (x)=med{f (x-k), (k ∈ W) }, wherein, g (x) is the image after processing, and f (x) is original image, W is one-dimensional sleiding form, and its span is the region of 1*21.
Claims (10)
1. the air conditioning system of the lower Intelligent Recognition human body of high wind refrigeration, including image processing module and infrared imaging module, it is characterised in that
Described infrared imaging module is used for collecting temperature data, is transferred to image processing module;
Described image processing module is for arranging the temperature data received according to certain rule, and the data arranged are carried out interpolation processing between the column and the column, obtain the image after interpolation, the image after this interpolation is carried out medium filtering again, then the image after medium filtering is carried out human body information identification.
2. the air conditioning system of the lower Intelligent Recognition human body of high wind as claimed in claim 1 refrigeration, it is characterized in that, described infrared imaging module includes low resolution infrared sensor and the motor of 4*16, and the low resolution infrared sensor of described 4*16 is connected with motor.
3. the air conditioning system of the lower Intelligent Recognition human body of high wind as claimed in claim 2 refrigeration, it is characterized in that, described infrared imaging module, when collecting temperature data, is driven the low resolution infrared sensor of connected 4*16 to be progressively scanned and data acquisition according to the rotational order of 1 ° ,-1 ° ,-1 ° ,-13 ° by motor.
4. the air conditioning system of the lower Intelligent Recognition human body of high wind as claimed in claim 2 refrigeration, it is characterized in that, the interpolation processing that the described data to arranging carry out between the column and the column refers to: set two row temperature data respectively A1～An and B1～Bn, then inserting a column data between two row temperature datas is C1～Cn, wherein, if during Am > Bm, Cm=(3*Am+Bm)/4, otherwise Cm=(Am+3*Bm)/4, wherein, n ∈ [1,16], m are the natural number be more than or equal to 1 less than or equal to n.
5. the air conditioning system of the lower Intelligent Recognition human body of high wind refrigeration as claimed in claim 1 or 2 or 3 or 4, it is characterized in that, described image after interpolation is carried out medium filtering refer to: only data transversely in the image after interpolation are carried out medium filtering process, its computing formula is: g (x)=med{f (x-k), (k ∈ W) }, wherein, g (x) is the image after processing, f (x) is original image, W is one-dimensional sleiding form, and its span is the region of 1*21.
6. the air conditioning system of the lower Intelligent Recognition human body of high wind as claimed in claim 5 refrigeration, it is characterised in that described one-dimensional sleiding form is continually changing, it is possible to the data arranged be ranked up according to the size of value, generates the one-dimensional data sequence of monotone increasing.
7. the image processing method of the lower Intelligent Recognition human body of high wind refrigeration, it is characterised in that comprise the following steps:
Step 1, carry out temperature data acquisition;
Step 2, the temperature data gathered is arranged according to certain rule, and the data arranged are carried out interpolation processing between the column and the column, obtain the image after interpolation;
Step 3, the image after interpolation is carried out medium filtering, then the image after medium filtering is carried out human body information identification.
8. the image processing method of the lower Intelligent Recognition human body of high wind as claimed in claim 7 refrigeration, it is characterized in that, in step 1, the method for described temperature data acquisition is: adopt motor to drive the low resolution infrared sensor of connected 4*16 to be progressively scanned and data acquisition according to the rotational order of 1 ° ,-1 ° ,-1 ° ,-13 °.
9. the image processing method of the lower Intelligent Recognition human body of high wind as claimed in claim 8 refrigeration, it is characterized in that, in step 2, the described data to arranging carry out the method for interpolation processing between the column and the column: set two row temperature data respectively A1～An and B1～Bn, then inserting a column data between two row temperature datas is C1～Cn, wherein, if during Am > Bm, Cm=(3*Am+Bm)/4, otherwise Cm=(Am+3*Bm)/4, wherein, n ∈ [1,16], m is the natural number be more than or equal to 1 less than or equal to n.
10. the image processing method of the lower Intelligent Recognition human body of high wind as claimed in claim 9 refrigeration, it is characterized in that, in step 3, described image after interpolation is carried out medium filtering refer to: only data transversely in the image after interpolation are carried out medium filtering process, its computing formula is: g (x)=med{f (x-k), (k ∈ W) }, wherein, g (x) is the image after processing, f (x) is original image, W is one-dimensional sleiding form, and its span is the region of 1*21.
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| CN201610078024.8A CN105678279A (en) | 2016-02-04 | 2016-02-04 | Human body intelligent recognition air conditioner system under high-blast refrigeration, and image processing method therefor |
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| CN201610078024.8A CN105678279A (en) | 2016-02-04 | 2016-02-04 | Human body intelligent recognition air conditioner system under high-blast refrigeration, and image processing method therefor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113531838A (en) * | 2021-09-15 | 2021-10-22 | 江苏宽程装备科技有限公司 | Refrigeration control method and system for intelligently adjusting space temperature |
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