CN109859810A - A kind of dietary survey auxiliary tool and its implementation based on smart machine - Google Patents
A kind of dietary survey auxiliary tool and its implementation based on smart machine Download PDFInfo
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Abstract
The present invention discloses a kind of dietary survey auxiliary tool and its implementation based on smart machine, solves the problems, such as that the prior art survey information and user's actual information when carrying out dietary survey are quite different.The present invention includes tableware, slidably graduated scale, image picking-up apparatus, smart machine, human-computer interaction device, storage equipment and display equipment.Implementation method mainly passes through above equipment and the different components of different foods is taken pictures and mix the slidably graduated scale that can mark corresponding food weight, and the food picture for being labeled with food weight is stored in storage equipment transferred out at any time in dietary survey for user according to selection.The present invention, which passes through, will weigh standardized one-to-one food picture and slip scale ruler is built into smart machine, user selects the mean intake of every kind of food according to itself diet situation self-servicely, automatically it collects the dietary int ake situation of user with can reach quickly, efficiently and accurately, and then assists the purpose of investigator's progress Nutrition Evaluation.
Description
Technical field
The present invention relates to a kind of dietary survey auxiliary tool and its implementation based on smart machine.
Background technique
Dietary survey: dietary survey is investigation individual or food species, quantity and frequency that group takes within a certain period of time
It is inferior, the intake of energy for each person every day and nutrient is calculated according to composition table of foods, and join with the diet nutrient of recommendation
It examines intake to be compared, so that whether evaluation meets needs by the normal nutrition element and energy of respondent.
Influence of the diet nutritional to health has been to be concerned by more and more people.And dietary survey is to fully understand diet structure
Important means, be the basis for studying nutrition and healthy relationship.The obtained food of dietary survey and nutrient intake information
It is the basic data of government decision, academic research and new food research and development etc., and instructs people's dietetic nutrition and carry out nutrition a surname
Teach important evidence.
Core component of the dietary survey as nutrition survey, including two important links: first is that diet data are accurate
It is effective to collect, dietary survey method and auxiliary tool are depended on, at present mostly with 24 hours in Large-scale vegetative investigation both at home and abroad
Based on the classical dietary survey methods such as retrospective studies, weighing writing-method, Food Frequency method, wherein 24 hours retrospective studies and food frequency
Rate method is the most commonly used retrospective dietary survey method.
The mode of one-to-one inquiry is usually taken in retrospective dietary survey, i.e., when investigator inquires that surveyee goes over one section
Between middle food intake type, frequency and quantity, guidance surveyee state the shape, greatly of food by language and gesture in detail
Small and edible share is estimated further according to food volume and is eaten until the volume for every kind of food that the clear surveyee of investigator eats
Object weight finally records and analyzes the Dietary of surveyee.Since the information source of this investigation is returning for surveyee
Recall and describe, needs surveyee to have certain educational level and the experience of life, preferably there is the warp of Food Purchase and production
It tests, it is accurate to be otherwise difficult investigation.Therefore, by certain or certain auxiliary tools, surveyee is helped to return as precisely as possible
The quantity for the various foods taken in the past period is recalled, more correctly to estimate the quantity of food of intake.
Currently, widely used backman has dietary survey food map in retrospective dietary survey, food is weighed
Standardized dies, tableware and measurer, food claims and instantaneity image analysis.
Dietary survey food map, food weigh standardized dies, tableware and measurer, food and claim to require to make in advance,
And need professional to be investigated face-to-face, the costs of manufacture grade height such as human cost and map, mold, inefficiency,
It is limited by time and space larger.Present dietary survey auxiliary tool the most advanced is instantaneity image analytical method, is adjusted
Cha Zheyong smart phone is taken pictures to meal food have meal before and leftover take pictures respectively, " reference is put when taking pictures beside tableware
Card " is used as object of reference, the food of bad identification is briefly described, then with wireless network transmissions to service side, by instructing
Practice the adjuster being always or usually as specified to compare the photo transmitted with standard photographs using computer software, estimates meal food-intake.But this side
Method is more demanding to the compliance of surveyee and photograph taking, claps if surveyee is leaked, forgets the photo taken a picture or shot
It is undesirable, then it will lead to the information gap between surveyee and investigator, there are still the problems of accuracy difference；Secondly it is adjusted
The person of looking into is only to have taken food photo, for amount still none accurate concept of food, does not also play one
The effect of fixed Education on nutrient.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of dietary survey auxiliary tool based on smart machine and in fact
Existing method, solving prior art major part survey information when carrying out dietary survey causes by the memory of surveyee with description
Survey information and reality are quite different, or carry out estimation by the photo that surveyee shoots and equally exist asking for accuracy difference
Topic.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of dietary survey auxiliary tool based on smart machine, comprising:
Tableware, for containing food；
Slidably graduated scale carries out equivalent mark for the weight to contained food in the tableware；
Image picking-up apparatus, for carrying out figure to by the tableware for being loaded with food after the slidably graduated scale mark
As shooting；
Smart machine, Built-in Image processing system, for passing through described image processing system to described image capture apparatus
Captured image procossing is at the picture for marking food weight；
Human-computer interaction device connect with the smart machine, carries out human-computer interaction for user and the smart machine；
Equipment is stored, is connected with the smart machine, passes through the processed figure of described image processing system for storing
Piece information；
It shows equipment, is connect with the smart machine, pass through the processed picture of described image processing system for showing,
And questionnaire of the user when receiving dietary survey.
Further, the smart machine is smart phone, tablet computer, desktop computer or laptop, the people
Machine interactive device is keyboard, and described image capture apparatus is camera, and the display equipment is liquid crystal display.
Further, the food includes but is not limited to following food qualification category: coarse food grain, smart grain, veterinary antibiotics, red meat, white
Meat, the flesh of fish, nut, bean product, egg, dairy produce, edible oil and wine.
A kind of implementation method of the dietary survey auxiliary tool based on smart machine, comprising the following steps:
Step 1, the Chinese residents Diet pagoda first in basis " Chinese residents dietary guidelines (2016 editions) " recommend intake
Food species and amount select to be investigated with reference to Food Frequency method questionnaire widely used in traditional dietary survey
Food species and the standard chow deal of every kind of food is set, one of reselection group food is used as representative foods；
Step 2, selection criteria tableware are placed on the non-reflective background board of white, and a napkin cloth is laid on background board, right
Selected representative foods are processed in step 1, and the good representative foods of working process are pressed various criterion component
It is respectively put into different size of standard tableware, holds or be hold by one hand the standard tableware using both hands the right and left and join as fixed
According to object；
Step 3, the representative foods that various criterion deal in standard tableware is contained in using unified image pickup method shooting
Food picture；
Step 4, according to the standard chow deal of every kind of food set in step 1, design one can be to food weight
The slidably graduated scale being labeled, scale value and the food weight represented by food picture of the graduated scale correspond；
Step 5 inputs the food picture in step 3 and the corresponding slidably graduated scale in step 4 in smart machine, and
The food picture for being labeled with food weight is processed by image processing system, later by all foods for being labeled with food weight
Picture stores spare into storage equipment.
Further, in the step 1, the food species include but is not limited to following food qualification category: coarse food grain, essence
Grain, veterinary antibiotics, red meat, plain boiled pork, the flesh of fish, nut, bean product, eggs, dairy produce, edible oil and drinks.
Further, in the step 2, the standard tableware includes the black circular flat disk one that diameter is 20-22cm
A, that the white circular flat disk one and diameter that diameter is 20-22cm are 20-22cm decorative pattern dish one.
Further, in the step 2, a numbered card is put beside the standard tableware, to ensure not leak bat
With take a picture more.
Further, in the step 3, the equipment of shooting food picture is camera, the unified image pickup method
To support the camera vertically to be taken a crane shot using tripod, the camera lens of the camera is at a distance from the standard tableware
50cm, focal length 50, shutter speed are 1/60 second, aperture F4, sensitivity ISO200.
Further, in the step 3, the light setting of the food picture when shooting are as follows: photography luminaire 4, point
It is not distributed in left anterior-superior part, front upper right, left back top and right back upper place, the colour temperature 5200- of the food picture when shooting
5500K。
Further, in the step 3, the food picture shoots two groups of same frames every time when shooting, confirmation
The representative foods for successively increasing a standard component after errorless in standard tableware are gone again to be shot, and all food pictures are equal
Retain food color property.
Compared with prior art, the invention has the following advantages:
Dietary survey auxiliary tool structure of the present invention is simple, design is scientific and reasonable, easy to use, including tableware, slidably
Graduated scale, image picking-up apparatus, smart machine, human-computer interaction device, storage equipment and display equipment, the food picture of shooting are adopted
With hand-held tableware, measured portion quantity food is filled in the tableware, food picture of the present invention and slidable graduated scale correspond shape
At a set of electronics map that can be used for accurately estimating foodstuff standards deal.
By the present invention in that assisting dietary survey with above-mentioned tool, compared with traditional dietary survey, with no paper investigation is more
Environmental protection, it is only necessary to food intake dose is selected according to software service, user is freer, it is not limited by time and space,
Eliminate the transportation cost etc. of dealing hospital.
By the present invention in that after assisting dietary survey, user to pass through software service fill substance with above-mentioned tool, the device
Storing data can be collected automatically, and this procedure avoids investigators frequently to travel to and fro between investigation scene and computer, is not necessarily to
Data are compared and repeatedly input, time and human cost substantially reduce, and efficiently, bias is small, and the result of acquisition is more accurate.
By the present invention in that utilizing commonly used fixation with food picture and food servings graduated scale in above-mentioned tool
Tableware can help user to establish thinking between certain food appearance weight corresponding to its and contact, accurately to recall and estimate to print
The weight of most foods as in, improves the accuracy of dietary survey；And play the role of Education on nutrient indirectly, it is further real
It applies nutrition improvement scheme and convenience is provided.
By the present invention in that with above-mentioned tool on the one hand user can voluntarily carry out the diet record on line, or
Investigator is for diet record carries out Nutrition Evaluation on the line of user and follow-up provides convenience；On the other hand, which can also be with
The dietary survey for the food image that surveyee provides is directed to for investigator and Nutrition Evaluation provides convenience.
Detailed description of the invention
Fig. 1 is that the prototype of the present invention on the display device when assisting dietary survey shows figure.
Fig. 2 is that the specific food of the present invention on the display device when assisting dietary survey shows picture.
Specific embodiment
The invention will be further described with embodiment for explanation with reference to the accompanying drawing, and mode of the invention includes but not only limits
In following embodiment.
A kind of dietary survey auxiliary tool based on smart machine, comprising:
Tableware, for containing food, the food includes but is not limited to following food qualification category: coarse food grain, smart grain, vegetables, water
Fruit, red meat, plain boiled pork, the flesh of fish, nut, bean product, egg, dairy produce, edible oil and wine；
Slidably graduated scale carries out equivalent mark for the weight to contained food in the tableware；
Image picking-up apparatus, for carrying out figure to by the tableware for being loaded with food after the slidably graduated scale mark
As shooting, described image capture apparatus is camera；
Smart machine, Built-in Image processing system, for passing through described image processing system to described image capture apparatus
For captured image procossing at the picture of mark food weight, the smart machine is smart phone, tablet computer, desktop computer
Or laptop；
Human-computer interaction device connect with the smart machine, carries out human-computer interaction, institute for user and the smart machine
Stating human-computer interaction device is keyboard；
Equipment is stored, is connected with the smart machine, passes through the processed figure of described image processing system for storing
Piece information；
It shows equipment, is connect with the smart machine, pass through the processed picture of described image processing system for showing,
And questionnaire of the user when receiving dietary survey, the display equipment are liquid crystal display.
Smart machine can connect network to the present invention in actual use, and pass through the intelligence of network and remote subscriber
Equipment (such as mobile phone, apparatus such as computer) connection, to realize long-range dietary survey.Application scenarios of the present invention, software service reach
It can be long-range and can carry out face-to-face.The auxiliary tool can not only assist investigator to carry out dietary survey, can also be by quilt
Investigator voluntarily uses and records diet.
A kind of implementation method of the dietary survey auxiliary tool based on smart machine, comprising the following steps:
Step 1, the Chinese residents Diet pagoda first in basis " Chinese residents dietary guidelines (2016 editions) " recommend intake
Food species and amount select to be investigated with reference to Food Frequency method questionnaire widely used in traditional dietary survey
Food species and the standard chow deal of every kind of food is set, one of reselection group food is used as representative foods,
The food species include but is not limited to following food qualification category: coarse food grain, smart grain, veterinary antibiotics, red meat, plain boiled pork, the flesh of fish, nut,
Bean product, eggs, dairy produce, edible oil and drinks.
Step 2, selection criteria tableware are placed on the non-reflective background board of white, and a napkin cloth is laid on background board, right
Selected representative foods are processed in step 1, and the good representative foods of working process are pressed various criterion component
It is respectively put into different size of standard tableware, while putting a numbered card beside the standard tableware, to ensure not leak
It claps and takes a picture more, held using both hands the right and left or be hold by one hand the standard tableware as fixed reference；The standard meal
Tool includes black circular flat disk one that diameter is 20-22cm, and diameter is white circular flat disk one of 20-22cm, Yi Jizhi
Diameter is decorative pattern dish one of 20-22cm.
Step 3, the representative foods that various criterion deal in standard tableware is contained in using unified image pickup method shooting
Food picture；The equipment for shooting food picture is camera, the unified image pickup method be supported using tripod described in
Camera is vertically taken a crane shot, the camera lens of the camera and the standard tableware distance 50cm, focal length 50, shutter speed
It is 1/60 second, aperture F4, sensitivity ISO200；The light setting of the food picture when shooting are as follows: photography luminaire 4,
It is distributed in left anterior-superior part, front upper right, left back top and right back upper place, the colour temperature of the food picture when shooting respectively
5200-5500K；The food picture shoots two groups of same frames every time when shooting, successively in standard tableware after confirmation is errorless
Row shooting, all food pictures retain food color property to the middle representative foods for increasing a standard component again.
Step 4, according to the standard chow deal of every kind of food set in step 1, design one can be to food weight
The slidably graduated scale being labeled, scale value and the food weight represented by food picture of the graduated scale correspond；
Step 5 inputs the food picture in step 3 and the corresponding slidably graduated scale in step 4 in smart machine, and
The food picture for being labeled with food weight is processed by image processing system, later by all foods for being labeled with food weight
Picture stores spare into storage equipment.
Implementation method concrete operations process of the present invention is as follows:
S1 recommends the food of intake according to the Chinese residents Diet pagoda in " Chinese residents dietary guidelines (2016 editions) " first
Species and amount select food to be investigated with reference to Food Frequency method questionnaire widely used in traditional dietary survey
Species and the standard chow deal that every kind of food is arranged, one of reselection group food are used as representative foods.Including
Following food qualification category but be not limited to this 13 kinds: coarse food grain, smart grain, veterinary antibiotics, red meat, plain boiled pork, the flesh of fish, nut, bean product,
Eggs, dairy produce, edible oil and drinks etc..
S2 selects various sizes of tableware, is placed on the non-reflective background board of white, a napkin cloth is covered on background board,
The tableware all selects the tableware that in daily family or restaurant may use.A numbered card is aside put simultaneously, to ensure not
Leakage is clapped and is taken a picture more.The tableware size is as follows: black circular flat disk diameter 20-22CM mono-, white circular flat disk diameter
20-22CM mono-, decorative pattern dish diameter 20-22CM mono-.The food species enumerated in S1 are processed, are cooked, part adds
Work is not processed, the food of state or the measured portion quantity without processing after the processing of every kind of food described in corresponding selection S1
Object is put into different size of standard tableware, is held using both hands the right and left or single-hand handling & tableware is as fixed reference.The food
Object preparation process needs the work used to include disposable glove, foodstuff tongs, sharp mouth sauce bottle, stainless steel measuring spoon, electronics gram title.
S3 fills the food picture of the food and tableware of various criterion deal, the photograph using unified image pickup method shooting
The equipment and setting of piece shooting: tripod support camera vertically takes a crane shot, camera lens and service plate distance 50CM, focal length 50, shutter speed
1/60 second, aperture F4, sensitivity ISO200.The light of the photograph taking is arranged are as follows: photography luminaire 4, be distributed in left anterior-superior part,
Front upper right, left back top, right back upper place, colour temperature 5200-5500K.Two groups of same frames of shooting every time, after confirmation is errorless successively
Increase the food materials of an identity component in disk.The image picture of the acquisition retains food color property.
For S4 according to the measured portion quantity of every kind of food set in S1, what design one can be labeled food weight can
Slip scale ruler.The scale value of the graduated scale is one-to-one with food weight represented by food picture.
S5 food picture and graduated scale are built into smart machine after combining by UI design and programming.
The present invention is further elaborated with reference to the accompanying drawing.
As shown in Figure 1,1. design in figure for problem, inquire the food intake of surveyee, including following food qualification category but
It is not limited to this 13 kinds: coarse food grain, smart grain, veterinary antibiotics, red meat, plain boiled pork, the flesh of fish, nut, bean product, eggs, dairy produce, food
With oil and drinks etc.；The food picture of the various criterion deal 2. shot in figure for the image pickup method for using standard unified；It is described
Food is made according to the most common edible way of every kind of food, including finished and not processed food；In figure
3. being a corresponding slidable graduated scale, the graduated scale is opposite with the picture of measured portion quantity of every kind of food of shooting
It answers.User enters in program, by the food picture of slip scale ruler and Auto-matching, in order to preferably recall the food of intake
Object amount accurately selects the intake of every kind of food in upper figure, after the program storing data automatically, continues to complete next group food
Investigation.
In order to enable those skilled in the art of the present technique to further understand the technical program, below with reference to specific example to this
Invention is further elaborated.
Example 1.
Respectively by 1 liang, 2 liang, 3 liang, 4 liang, 5 liang of steamed rice (ripe), it is put into day commonly used bowl, bowl is placed in white
On color background platform, held by both hands bowl, using hand as fixed reference.Under the irradiation of some strength light, from front upper place to this
A little element compositions are taken pictures, and a set of colored static image picture is obtained.The set static image picture and it will can mark food again
The slidably graduated scale of object weight corresponds, and is built into smart machine after combining, and obtains a set of for assessing in memory
One bowl of rice weight electronic food map, as shown in Figure 2.
Example 2.
Evaluate the effect that the dietary int ake investigation auxiliary tool based on smart machine improves retrospective studies dietary survey accuracy for 24 hours
Power.
Experimental method: 40 people of volunteer is recruited.Respectively with weight method and the method for dietary recall for 24 hours for thering is tool to assist to tested
Person carries out dietary survey on the one.The Food consumption that the method for dietary recall for 24 hours for having tool to assist is obtained is obtained with weight method
Corresponding data is compared, and calculates difference and its ratio with weight method, and the method for dietary recall for 24 hours that comparing has tool to assist is obtained
The degree of closeness of data and weight method inquires into the dietary int ake investigation auxiliary tool based on smart machine in dietary recall for 24 hours
Effect.
Experimental result: compared with weight method, have tool assist the obtained food intake dose of dietary recall for 24 hours and weight method without
Difference (the equal > 0.1 of P), and two groups of data are highly relevant (the equal < 0.05 of P).(see the table below 1)
The comparison (n=40) of the food intake dose of the investigation of 1 weight method of table and this method record
Experiment conclusion: the dietary int ake investigation auxiliary tool based on smart machine can effectively improve the standard of dietary recall for 24 hours
True property is a kind of good field investigation tool, is worthy of popularization using simplicity.
Above-described embodiment is only one of the preferred embodiment of the present invention, should not be taken to limit protection model of the invention
It encloses, as long as that in body design thought of the invention and mentally makes has no the change of essential meaning or polishing, is solved
The technical issues of it is still consistent with the present invention, should all be included within protection scope of the present invention.
Claims (10)
1. a kind of dietary survey auxiliary tool based on smart machine characterized by comprising
Tableware, for containing food；
Slidably graduated scale carries out equivalent mark for the weight to contained food in the tableware；
Image picking-up apparatus, for carrying out image bat to by the tableware for being loaded with food after the slidably graduated scale mark
It takes the photograph；
Smart machine, Built-in Image processing system, for being clapped by described image processing system described image capture apparatus
The image procossing taken the photograph is at the picture for marking food weight；
Human-computer interaction device connect with the smart machine, carries out human-computer interaction for user and the smart machine；
Equipment is stored, is connected with the smart machine, for storing by the processed picture letter of described image processing system
Breath；
It shows equipment, is connect with the smart machine, pass through the processed picture of described image processing system for showing, and
Questionnaire of the user when receiving dietary survey.
2. a kind of dietary survey auxiliary tool based on smart machine according to claim 1, which is characterized in that the intelligence
Energy equipment is smart phone, tablet computer, desktop computer or laptop, and the human-computer interaction device is keyboard, the figure
Picture capture apparatus is camera, and the display equipment is liquid crystal display.
3. a kind of dietary survey auxiliary tool based on smart machine according to claim 1 or 2, which is characterized in that institute
Stating food includes but is not limited to following food qualification category: coarse food grain, smart grain, veterinary antibiotics, red meat, plain boiled pork, the flesh of fish, nut, beans system
Product, egg, dairy produce, edible oil and wine.
4. the implementation method of any one of the claim 1-3 dietary survey auxiliary tool, which is characterized in that including following step
It is rapid:
Step 1, the food for recommending intake according to the Chinese residents Diet pagoda in " Chinese residents dietary guidelines (2016 editions) " first
Species and amount select food to be investigated with reference to Food Frequency method questionnaire widely used in traditional dietary survey
Species and the standard chow deal that every kind of food is arranged, one of reselection group food are used as representative foods；
Step 2, selection criteria tableware are placed on the non-reflective background board of white, a napkin cloth are laid on background board, to step
Selected representative foods are processed in 1, and the good representative foods of working process are distinguished by various criterion component
It is put into different size of standard tableware, holds or be hold by one hand the standard tableware using both hands the right and left as fixed reference
Object；
Step 3, the food that the representative foods of various criterion deal in standard tableware are contained in using unified image pickup method shooting
Object picture；
Step 4, according to the standard chow deal of every kind of food set in step 1, design one can carry out food weight
The slidably graduated scale of mark, scale value and the food weight represented by food picture of the graduated scale correspond；
Food picture in step 3 and the corresponding slidably graduated scale in step 4 are inputted in smart machine, and passed through by step 5
Image processing system is processed into the food picture for being labeled with food weight, later by all food pictures for being labeled with food weight
It stores spare into storage equipment.
5. implementation method as claimed in claim 4, which is characterized in that in the step 1, the food species include but unlimited
In following food qualification category: coarse food grain, smart grain, veterinary antibiotics, red meat, plain boiled pork, the flesh of fish, nut, bean product, eggs, dairy produce, food
With oil and drinks.
6. implementation method described in claim 5, which is characterized in that in the step 2, the standard tableware includes that diameter is
The black circular flat disk of 20-22cm one, the white circular flat disk one and diameter that diameter is 20-22cm are 20-22cm's
Decorative pattern dish one.
7. implementation method as claimed in claim 6, which is characterized in that in the step 2, put beside the standard tableware
One numbered card is clapped with ensuring not leak and is taken a picture more.
8. implementation method as claimed in claim 7, which is characterized in that in the step 3, the equipment of shooting food picture is to shine
Camera, the unified image pickup method are to support the camera vertically to be taken a crane shot using tripod, the mirror of the camera
Head and the standard tableware distance 50cm, focal length 50, shutter speed are 1/60 second, aperture F4, sensitivity ISO200.
9. implementation method according to any one of claims 8, which is characterized in that in the step 3, the food picture is when shooting
Light setting are as follows: photography luminaire 4, be distributed in left anterior-superior part, front upper right, left back top and right back upper place, the food respectively
The colour temperature 5200-5500K of picture when shooting.
10. implementation method as claimed in claim 9, which is characterized in that in the step 3, the food picture is when shooting
Two groups of same frames of shooting every time successively increase the representative foods of a standard component again in standard tableware after confirmation is errorless
Row shooting, all food pictures retain food color property.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110517752A (en) * | 2019-08-26 | 2019-11-29 | 四川大学 | A method of for acquiring dietary int ake information in real time |
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| EP2787459A1 (en) * | 2013-04-05 | 2014-10-08 | Christopher M. Mutti | Method of monitoring nutritional intake by image processing |
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| CN103530489A (en) * | 2012-07-04 | 2014-01-22 | 王春玲 | Dietary intake investigation system and method |
| EP2787459A1 (en) * | 2013-04-05 | 2014-10-08 | Christopher M. Mutti | Method of monitoring nutritional intake by image processing |
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