CN108895756B - Method and apparatus for displaying caloric value of food for refrigerator - Google Patents
Method and apparatus for displaying caloric value of food for refrigerator Download PDFInfo
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- CN108895756B CN108895756B CN201810700128.7A CN201810700128A CN108895756B CN 108895756 B CN108895756 B CN 108895756B CN 201810700128 A CN201810700128 A CN 201810700128A CN 108895756 B CN108895756 B CN 108895756B
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- 235000013305 food Nutrition 0.000 title claims abstract description 174
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000013528 artificial neural network Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 8
- 230000003068 static effect Effects 0.000 claims description 7
- 238000013135 deep learning Methods 0.000 claims description 6
- 238000012549 training Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims 2
- 230000006870 function Effects 0.000 claims 1
- 208000008589 Obesity Diseases 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 2
- 238000013527 convolutional neural network Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 235000020824 obesity Nutrition 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000000306 recurrent effect Effects 0.000 description 2
- 235000011888 snacks Nutrition 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 235000012631 food intake Nutrition 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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- Combustion & Propulsion (AREA)
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- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention provides a method and a device for displaying the heat value of food for a refrigerator, wherein a camera capable of shooting a user and a distance sensor capable of sensing the distance between the user and the front end surface are arranged on the front end surface of a refrigerator body, and the method comprises the following steps: when the distance between the user and the front end face is determined to be smaller than or equal to a preset value according to the distance sensor and the door body of the refrigerator is determined to be opened from closing, starting a camera and shooting a video stream containing the user; when the user takes the food away according to the video stream, obtaining the volume of the food, and generating the caloric value of the food according to the volume; and displaying the caloric value of the food. Therefore, when the user takes the food out of the refrigerator, the user can conveniently know the caloric value of the food.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to a method and a device for displaying the heat value of food for a refrigerator.
Background
A refrigerator is an electric appliance used in daily life, and various fruits, snacks, and/or beverages, etc. are generally stored in a refrigerating chamber of the refrigerator, and users often take out and eat the foods directly from the refrigerating chamber; with the progress and development of the times, people have increasingly strong concepts of body building and obesity prevention, namely, before eating food, if some information (such as caloric value and the like) of the food can be known, the concept of body building and obesity prevention is greatly helpful for reminding users of body building and reducing food intake.
Therefore, it is an urgent problem to design a refrigerator capable of indicating the calorie value of food to a user.
Disclosure of Invention
The invention aims to provide a refrigerator capable of showing the calorie value of food to a user.
In order to achieve one of the above objects, an embodiment of the present invention provides a method for displaying heat values of food for a refrigerator, a front end surface of a refrigerator cabinet is provided with a camera capable of photographing a user and a distance sensor capable of sensing a distance from the user to the front end surface, comprising the steps of: when the distance between the user and the front end face is determined to be smaller than or equal to a preset value according to the distance sensor and the door body of the refrigerator is determined to be opened from closing, starting a camera and shooting a video stream containing the user; when the user takes the food away according to the video stream, obtaining the volume of the food, and generating the caloric value of the food according to the volume; and displaying the caloric value of the food.
As a further improvement of an embodiment of the present invention, the determining that the user takes away the food according to the video stream includes: processing each frame of picture in the video stream to filter a static object, identifying each frame of picture according to a food model, and tracking to obtain food track information, wherein the food model is a neural network obtained through deep learning algorithm training; and determining that the user takes away the food when the food is determined to be far away from the front end face according to the food track information.
As a further improvement of an embodiment of the present invention, the performing track tracking to obtain food track information includes: performing track tracking to obtain the position information of the food in each frame of picture; the determining that the food is far away from the front end surface according to the food track information comprises the following steps: and determining that the food is far away from the front end face according to the position information of the food in each frame of picture.
As a further improvement of an embodiment of the present invention, said generating the caloric value of said food in accordance with said volume comprises: caloric value = volume · caloric value per volume of the food.
As a further improvement of an embodiment of the present invention, said obtaining the volume of the food comprises: selecting any frame of picture from each frame of picture, acquiring the area of the food in any frame of picture and the distance between the food and the front end face, and determining the volume of the food based on the area and the distance, wherein the volume of the food is in direct proportion to the area and the distance.
The embodiment of the invention also provides a device for displaying the heat value of food for a refrigerator, wherein the front end surface of a refrigerator body is provided with a camera capable of shooting a user and a distance sensor capable of sensing the distance between the user and the front end surface, and the device comprises the following modules: the user sensing module is used for starting a camera and shooting a video stream containing a user when the distance between the user and the front end face is determined to be smaller than or equal to a preset value according to the distance sensor and the door body of the refrigerator is determined to be opened from closing; the calorie value generation module is used for acquiring the volume of the food when the user takes the food according to the video stream and generating the calorie value of the food according to the volume; and the display module is used for displaying the caloric value of the food.
As a further improvement of an embodiment of the present invention, the calorific value generation module is further configured to: processing each frame of picture in the video stream to filter a static object, identifying each frame of picture according to a food model, and tracking to obtain food track information, wherein the food model is a neural network obtained through deep learning algorithm training; and determining that the user takes away the food when the food is determined to be far away from the front end face according to the food track information.
As a further improvement of an embodiment of the present invention, the calorific value generation module is further configured to: performing track tracking to obtain the position information of the food in each frame of picture; and determining that the food is far away from the front end face according to the position information of the food in each frame of picture.
As a further improvement of an embodiment of the present invention, the calorific value generation module is further configured to: caloric value = volume · caloric value per volume of the food.
As a further improvement of an embodiment of the present invention, the calorific value generation module is further configured to: selecting any frame of picture from each frame of picture, acquiring the area of the food in any frame of picture and the distance between the food and the front end face, and determining the volume of the food based on the area and the distance, wherein the volume of the food is in direct proportion to the area and the distance.
Compared with the prior art, the invention has the technical effects that: the embodiment of the invention provides a method and a device for displaying the heat value of food for a refrigerator, wherein a camera capable of shooting a user and a distance sensor capable of sensing the distance between the user and the front end surface are arranged on the front end surface of a refrigerator body of the refrigerator, and the method comprises the following steps: when the distance between the user and the front end face is determined to be smaller than or equal to a preset value according to the distance sensor and the door body of the refrigerator is determined to be opened from closing, starting a camera and shooting a video stream containing the user; when the user takes the food away according to the video stream, obtaining the volume of the food, and generating the caloric value of the food according to the volume; and displaying the caloric value of the food. Therefore, when the user takes the food out of the refrigerator, the user can conveniently know the caloric value of the food.
Drawings
Fig. 1 is a schematic flow chart of a method for displaying caloric values of foods for a refrigerator in an embodiment of the present invention.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The present invention will be described in detail below with reference to embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
The embodiment of the invention provides a method for displaying the heat value of food for a refrigerator, wherein a camera capable of shooting a user and a distance sensor capable of sensing the distance between the user and the front end face are arranged on the front end face of a refrigerator body of the refrigerator; in use, when a user uses the refrigerator, the user stands in front of the refrigerator and faces a door body of the refrigerator, the door body is opened, and then articles can be taken out or stored from a storage compartment (such as a refrigerating chamber or a freezing chamber) at the moment, wherein the side, facing the user, of a refrigerator body is the front end face of the refrigerator body. Here, the food may be various foods such as snack, fruit, and/or beverage. Here, the distance sensor may be: infrared ranging sensors, human proximity sensors, and the like.
As shown in fig. 1, the method comprises the steps of:
step 101: when the distance between the user and the front end face is determined to be smaller than or equal to a preset value according to the distance sensor and the door body of the refrigerator is determined to be opened from closing, starting a camera and shooting a video stream containing the user;
here, the distance sensor may transmit the detected distance between the human body and the front end surface to the processor module in real time, so that the processor module may determine whether the distance is less than or equal to a preset value.
Here, a sensor for detecting the state of the door body can be arranged on the door body, and when the sensor detects that the door body is changed from being closed to being opened, a state instruction for representing that the door body is changed from being closed to being opened is sent to the processor module, so that the processor module can determine that the door body is changed from being closed to being opened; the sensor can also send the state of the door body (such as the angle value between the door body and the front end face of the refrigerator) to the processor module in real time, so that the processor module can determine that the door body is opened from closing according to the state of the door body.
It will be appreciated that in practice, the user will typically stand on the front side of the door body, and therefore the camera will be able to capture a video stream containing the user.
Step 102: when the user takes the food away according to the video stream, obtaining the volume of the food, and generating the caloric value of the food according to the volume; here, the type and volume of the food are firstly identified from the video stream, then the food is tracked, and when the food is determined to be farther and farther from the front end surface before the door body is closed, it can be determined that the user is taking the food, and then the calorie value of the food can be generated according to the volume.
Step 103: and displaying the caloric value of the food. Here, the caloric value of the food may be presented in various ways, for example, in a voice manner, in a display screen, and the like.
In step 102, the video stream needs to be processed by using a specific algorithm, and the food is matched from the video stream, so that the type and volume of the food can be obtained, and then the food is tracked to determine whether the food is farther and farther away from the front end face.
Preferably, the determining that the user takes away the food according to the video stream includes: processing each frame of picture in the video stream to filter a static object, identifying each frame of picture according to a food model, and tracking to obtain food track information, wherein the food model is a neural network obtained through deep learning algorithm training; and determining that the user takes away the food when the food is determined to be far away from the front end face according to the food track information. Wherein, the neural network can be: convolutional neural networks, recursive neural networks, or recurrent neural networks, etc.
Optionally, the obtaining the volume of the food comprises: and processing each frame of picture in the video stream to filter a static object, and identifying each frame of picture according to a food model so as to obtain the type of the food. Wherein, the neural network can be: convolutional neural networks, recursive neural networks, or recurrent neural networks, etc.
Preferably, the performing track tracking to obtain food track information includes: performing track tracking to obtain the position information of the food in each frame of picture; the determining that the food is far away from the front end surface according to the food track information comprises the following steps: and determining that the food is far away from the front end face according to the position information of the food in each frame of picture.
Preferably, the generating of the caloric value of the food according to the volume comprises: caloric value = volume · caloric value per volume of the food. Here, a specific calorific value per unit volume may be set for each food.
Preferably, the acquiring the volume of the food comprises:
selecting any frame of picture from each frame of picture, acquiring the area of the food in any frame of picture and the distance between the food and the front end face, and determining the volume of the food based on the area and the distance, wherein the volume of the food is in direct proportion to the area and the distance. Here, first, any frame of picture is selected, a region where the food is located is matched in any frame of picture, and the area of the region and the distance between the food and the front end face are generated, it can be understood that when the area of the region is larger, the volume of the food is larger; for a constant area region, the volume of food is larger when the distance is farther.
The embodiment of the invention also provides a device for displaying the heat value of food for a refrigerator, wherein the front end surface of a refrigerator body is provided with a camera capable of shooting a user and a distance sensor capable of sensing the distance between the user and the front end surface, and the device comprises the following modules: the user sensing module is used for starting a camera and shooting a video stream containing a user when the distance between the user and the front end face is determined to be smaller than or equal to a preset value according to the distance sensor and the door body of the refrigerator is determined to be opened from closing; the calorie value generation module is used for acquiring the volume of the food when the user takes the food according to the video stream and generating the calorie value of the food according to the volume; and the display module is used for displaying the caloric value of the food.
Preferably, the calorific value generation module is further configured to: processing each frame of picture in the video stream to filter a static object, identifying each frame of picture according to a food model, and tracking to obtain food track information, wherein the food model is a neural network obtained through deep learning algorithm training; and determining that the user takes away the food when the food is determined to be far away from the front end face according to the food track information.
Preferably, the calorific value generation module is further configured to: performing track tracking to obtain the position information of the food in each frame of picture; and determining that the food is far away from the front end face according to the position information of the food in each frame of picture.
Preferably, the calorific value generation module is further configured to: caloric value = volume · caloric value per volume of the food.
Preferably, the calorific value generation module is further configured to: selecting any frame of picture from each frame of picture, acquiring the area of the food in any frame of picture and the distance between the food and the front end face, and determining the volume of the food based on the area and the distance, wherein the volume of the food is in direct proportion to the area and the distance.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (2)
1. A method for displaying the heat value of food for a refrigerator, wherein a camera capable of shooting a user and a distance sensor capable of sensing the distance between the user and the front end face are arranged on the front end face of a refrigerator body, and the method is characterized by comprising the following steps of:
when the distance between the user and the front end face is determined to be smaller than or equal to a preset value according to the distance sensor and the door body of the refrigerator is determined to be opened from closing, starting a camera and shooting a video stream containing the user;
when the user takes the food away according to the video stream, obtaining the volume of the food, and generating the caloric value of the food according to the volume;
displaying the caloric value of the food;
wherein said obtaining a volume of said food comprises: selecting any frame of picture from each frame of picture in the video stream, acquiring the area of the food in any frame of picture and the distance between the food and the front end face, and determining the volume of the food based on the area and the distance, wherein the volume of the food is in direct proportion to the area and the distance;
processing a filtering static object on each frame of picture, identifying each frame of picture according to a food model, and tracking to obtain food track information, wherein the food model is a neural network obtained through deep learning algorithm training;
determining that the user takes away food when the food is far away from the front end face according to the food track information;
the track tracking to obtain the food track information comprises the following steps: performing track tracking to obtain the position information of the food in each frame of picture;
the determining that the food is far away from the front end surface according to the food track information comprises the following steps: determining that the food is far away from the front end face according to the position information of the food in each frame of picture;
said generating a caloric value of said food as a function of said volume, comprising: caloric value = volume · caloric value per volume of the food.
2. The device for displaying the heat value of food for the refrigerator is characterized by comprising the following modules:
the user sensing module is used for starting a camera and shooting a video stream containing a user when the distance between the user and the front end face is determined to be smaller than or equal to a preset value according to the distance sensor and the door body of the refrigerator is determined to be opened from closing;
the system comprises a caloric value generation module, a data acquisition module and a data processing module, wherein the caloric value generation module is used for acquiring the volume of food and generating the caloric value of the food according to the volume when determining that a user takes away the food according to the video stream, selecting any frame of picture from each frame of picture in the video stream, acquiring the area of the food in any frame of picture and the distance between the food and the front end face, and determining the volume of the food based on the area and the distance, wherein the volume of the food is in direct proportion to the area and the distance;
the display module is used for displaying the calorific value of the food;
the heat value generation module is further configured to:
processing a filtering static object on each frame of picture, identifying each frame of picture according to a food model, and tracking to obtain food track information, wherein the food model is a neural network obtained through deep learning algorithm training;
determining that the user takes away food when the food is far away from the front end face according to the food track information;
performing track tracking to obtain the position information of the food in each frame of picture;
determining that the food is far away from the front end face according to the position information of the food in each frame of picture;
the heat value generation module is further configured to:
caloric value = volume · caloric value per volume of the food.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810700128.7A CN108895756B (en) | 2018-06-29 | 2018-06-29 | Method and apparatus for displaying caloric value of food for refrigerator |
| PCT/CN2018/123728 WO2020000958A1 (en) | 2018-06-29 | 2018-12-26 | Method and apparatus for displaying caloric value of food for refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810700128.7A CN108895756B (en) | 2018-06-29 | 2018-06-29 | Method and apparatus for displaying caloric value of food for refrigerator |
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| CN108895756A CN108895756A (en) | 2018-11-27 |
| CN108895756B true CN108895756B (en) | 2020-11-20 |
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| WO (1) | WO2020000958A1 (en) |
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| CN108895756B (en) * | 2018-06-29 | 2020-11-20 | 海尔智家股份有限公司 | Method and apparatus for displaying caloric value of food for refrigerator |
| CN110020609A (en) * | 2019-03-15 | 2019-07-16 | 吕丹青 | A kind of method, system and storage medium for analyzing food |
| CN113766058A (en) * | 2021-08-30 | 2021-12-07 | 深圳市乐福衡器有限公司 | Method and system for acquiring nutrition information, shooting terminal and storage medium |
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| CN108895756A (en) | 2018-11-27 |
| WO2020000958A1 (en) | 2020-01-02 |
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| CB02 | Change of applicant information |
Address after: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: Haier Smart Home Co., Ltd. Applicant after: QINGDAO HAIER SPECIAL REFRIGERATOR Co.,Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Applicant before: Qingdao Haier Joint Stock Co.,Ltd. Applicant before: QINGDAO HAIER SPECIAL REFRIGERATOR Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |