CN103892837B - A kind of method utilizing picture to carry out aquatic bird Body size measurements - Google Patents

A kind of method utilizing picture to carry out aquatic bird Body size measurements Download PDF

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CN103892837B
CN103892837B CN201410112540.9A CN201410112540A CN103892837B CN 103892837 B CN103892837 B CN 103892837B CN 201410112540 A CN201410112540 A CN 201410112540A CN 103892837 B CN103892837 B CN 103892837B
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picture
individual
length
size measurements
shin
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CN103892837A (en
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卢立志
任晋东
李国勤
沈建良
田勇
李进军
陶争荣
沈军达
陈黎
王德前
徐坚
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Zhejiang Academy of Agricultural Sciences
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Priority to PCT/CN2014/084630 priority patent/WO2015143822A1/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/103Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1079Measuring physical dimensions, e.g. size of the entire body or parts thereof using optical or photographic means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2503/00Evaluating a particular growth phase or type of persons or animals
    • A61B2503/40Animals

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Dentistry (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Image Analysis (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)

Abstract

The present invention relates to a kind of method utilizing picture to carry out aquatic bird Body size measurements, the method comprises the following steps: 1) picture scale check and correction step; 2) picture Body size measurements step; 3) switch process of individual body chi picture measured value and individual body chi practical measurement value.The present invention is owing to have employed above-mentioned technical scheme, and beneficial effect is mainly manifested in: 1, aquatic bird body footage according to surveying and determination more objective, utilizes picture to measure aquatic bird body chi and the difference of measuring point cognition can be avoided to cause the multiformity of measurement result; 2, save human resources, aquatic bird body chi picture measures a people can complete the individual Body size measurements task originally needing people more than 10 just can complete for a day; 3, Body size measurements result is more accurate, and after adopting picture to measure, every individual chi can not slide because of individual Baoding difficulty and tissue and cause the inaccurate situation of Body size measurements.

Description

A kind of method utilizing picture to carry out aquatic bird Body size measurements
Technical field
The present invention relates to poultry Body size measurements, especially aquatic bird duck goose Body size measurements technology, is applicable to aquatic bird Body size measurements.
Background technology
Body size measurements is a very important part in poultry selection-breeding work, because body chi can not only to a certain degree reflect individual raised for meat and eggs fertility performance, and is an important symbol of different cultivars difference.Assay method main be at present according to China in 2004 issue industry standard " performance of poultry vocabulary of terms and measure statistical method " by slide gauge and tape measuring, unit in centimetre, measured value gets one decimal place way, but this method often causes the inaccurate of mensuration because of features such as Baoding difficulty and hypodermic slidings when carrying out poultry living body measurement, and then cause between different Baoding method and the same Body size measurements value of mensuration personnel for same body measurement and deposit larger difference, in addition traditional aquatic bird Body size measurements method is difficult to because working strength is large the mensuration selection-breeding accomplishing each individuality, and the method is also because stimulate great Yi to cause the decline measuring colony's production capacity to cultivation poultry, develop one can be more objective for this reason, fast, assay method is the basis of carrying out the selection-breeding of poultry body chi accurately.
In recent years along with the continuous maturation of high-new acquisition technology with in plant's extensive use, thus provide a kind of state photo that poultry farming growth promoter in each individual and production can be more objectively provided in period, and these photos clearly can see each Body size measurements node of poultry, as Os Draconis front and back end, proximal ends of tibia etc. this to provide the necessary technical support for utilizing the individual picture of poultry to carry out Body size measurements, add the aquatic bird body chi chest depth in poultry Body size measurements, tread, shin is long, chest breadth and the wide mensuration of pelvis are the air line distance of body chi appearance 2, this also provides theoretical foundation in the cards for carrying out aquatic bird body chi determining image.Develop the method that picture carries out aquatic bird Body size measurements in this context, large and the easy factor such as emergent of the objectivity of conventional bulk chi assay method, human input can not only be solved, and efficiency and the scope of Body size measurements can be improved greatly, for aquatic bird selection-breeding work provides better methods and instruments.
Summary of the invention
In order to solve above-mentioned technical problem, the object of this invention is to provide a kind of method utilizing picture to carry out aquatic bird Body size measurements, that the method has be objective, accurate, can repeat, emergent little, labor intensity is little and the feature of application less investment.
In order to realize above-mentioned object, present invention employs following technical scheme:
Utilize picture to carry out a method for aquatic bird Body size measurements, the method comprises the following steps:
1) picture scale check and correction step: utilize survey tool measure the physical length of body side view and top view known length object of reference and be divided by with the measured length in its picture, obtains each picture check and correction ratio;
2) picture Body size measurements step: utilize first thoracic vertebra in the picture of tools for measurement sequentially determining water bird individual side to Os Draconis leading edge, Os Draconis leading portion is to Os Draconis end, shank upper joint is to the three or four toe spacing, and with substituting the length of shin mid diameter and lineback in line mensuration figure, obtaining the chest depth of mensuration water bird individual, tread, shin length, shin mid diameter, carrying on the back long picture measured value; Shoulder joint left end in recycling tools for measurement mensuration water bird individual top view picture is to shoulder joint right-hand member, and haunch left end is to haunch right-hand member distance, and the chest breadth and the wide picture measured value of pelvis that obtain mensuration water bird individual complete picture Body size measurements step;
3) switch process of individual body chi picture measured value and individual body chi practical measurement value: individual body chi chest depth, tread, shin are grown, carry on the back length, chest breadth and the wide picture measured value of pelvis is multiplied by check and correction ratio, obtain the practical measurement value of individual chest depth, tread, shin length, back of the body length, chest breadth and wide 6 the Body size measurements projects of pelvis, utilize shin mid diameter picture measured value to be multiplied by pi, then be multiplied by check and correction ratio obtain individual shin containment body chi practical measurement value.
As preferably, described step 1) lieutenant colonel contrast ratio be object of reference physical length divided by picture measured length, formula is as follows:
Check and correction ratio=object of reference length actual value/object of reference picture measured value.
As preferably, in described step 1), side view comprises length object of reference picture perpendicular to the ground in the positive left side shooting of aquatic bird body, top view be take directly over dorsal line on aquatic bird body comprise length object of reference picture parallel to the ground.
The present invention is owing to have employed above-mentioned technical scheme, and beneficial effect is mainly manifested in:
1, aquatic bird body footage according to surveying and determination more objective, utilizes picture to measure aquatic bird body chi and the difference of measuring point cognition can be avoided to cause the multiformity of measurement result;
2, save human resources, aquatic bird body chi picture measures a people can complete the individual Body size measurements task originally needing people more than 10 just can complete for a day;
3, Body size measurements result is more accurate, and after adopting picture to measure, every individual chi can not slide because of individual Baoding difficulty and tissue and cause the inaccurate situation of Body size measurements;
4, reduce emergent or avoid stress, the contact of aquatic bird cultured population and people and and then stress improving or keeping Productivity of planting group of causing can be avoided after utilizing picture to measure body chi;
5, combine picture collection equipment the efficiency of Body size measurements to be improved greatly, originally need the individual Body size measurements that a couple of days just can complete, can be completed within very short time by picture assay method, and be convenient to dock with existing measurement information technology.
Accompanying drawing explanation
Fig. 1 is Taihu goose body side view.
Fig. 2 is the individual top view of Taihu goose.
Fig. 3 is Shaoxing pockmark duck body side view.
Fig. 4 is the individual top view of Shaoxing pockmark duck.
Reference numeral in Fig. 1 ~ Fig. 4 is as follows: 1-first thoracic vertebra, and 2-lineback measures track, 3-shank upper joint, 4-Os Draconis end, 5-object of reference, 6-Os Draconis leading portion, 7-Os Draconis leading edge, 8-shin mid diameter, between the 9-the three four toe, 10-shoulder joint right-hand member, 11-haunch right-hand member, 12-shoulder joint left end, 13-haunch left end.
Detailed description of the invention
A kind of method utilizing picture to carry out aquatic bird Body size measurements, mainly comprise conversion three step greatly of the check and correction of picture scale, picture Body size measurements and body chi picture measured value and practical measurement value, its principal character is that picture scale check and correction step comprises: utilize survey tool measure the physical length of known length object of reference 5 in picture Fig. 1, Fig. 2, Fig. 3 and Fig. 4 and be divided by with the measured length in its picture, obtains each picture check and correction ratio; Picture Body size measurements step comprises: utilize the first thoracic vertebra 1 in picture Fig. 1 and Fig. 3 of tools for measurement sequentially determining water bird individual side to arrive Os Draconis leading edge 7, Os Draconis leading portion 6 is to Os Draconis end 4,9 distances between shank upper joint 3 to the three or four toe, and with substituting shin mid diameter 8 length that measures track 2 long with the back of the body in line mensuration figure, the picture measured value that the chest depth of acquisition mensuration water bird individual, tread, shin length, shin mid diameter, the back of the body are long; The shoulder joint left end 12 that recycling tools for measurement measures in water bird individual top view picture Fig. 2 and Fig. 4 arrives shoulder joint right-hand member 10, haunch left end 13 is to haunch right-hand member 11 distance, and the chest breadth and the wide picture measured value of pelvis that obtain mensuration water bird individual complete picture Body size measurements step; The switch process of individual body chi picture measured value and actual body chi comprises: individual body chi chest depth, tread, shin are grown, carry on the back length, chest breadth and the wide picture measured value of pelvis is multiplied by check and correction ratio, obtain individual chest depth, tread, shin be long, the back of the body is long, the practical measurement value of chest breadth and six Body size measurements projects such as pelvis is wide, utilize shin mid diameter picture measured value to be multiplied by pi, then be multiplied by check and correction ratio obtain individual shin containment body chi practical measurement value.
Wherein picture check and correction ratio be object of reference length actual value divided by picture measured value, formula is as follows:
Check and correction ratio=object of reference length actual value ÷ object of reference picture measured value (1).
Individual body chi chest depth, tread, shin are long, back of the body length, chest breadth and the dress between the wide picture measured value of pelvis and practical measurement value change formula and be:
Individual body chi practical measurement value=individual body chi picture measured value × check and correction ratio (2).
The individual body chi shin dress enclosed between picture measured value and practical measurement value changes formula and is:
Individual shin encloses practical measurement value=individual shin and encloses mid diameter picture measured value × π × check and correction ratio (3).
Below using Taihu goose and Shaoxing pockmark duck as specific embodiment, the present invention will be further described.
Embodiment 1---Taihu goose Body size measurements:
1, body side view and the calculating of top view check and correction ratio is measured: mensuration acquisition measures body side view and top view object of reference picture measured length is respectively 5.6cm and 4.1cm, and the physical length of object of reference is 15cm in two pictures, calculates according to formula (1) the check and correction ratio obtaining this body side view and top view thus and be respectively 2.67857 and 3.62854.
2, measure individual body chi picture measured value to obtain: utilize first thoracic vertebra in the picture of tools for measurement sequentially determining water bird individual side to Os Draconis leading edge, Os Draconis leading portion is to Os Draconis end, shank upper joint is to the three or four toe spacing, and with substituting line and measure the length of shin mid diameter and lineback in figure, obtain measure individual chest depth, tread, shin length, shin mid diameter, back of the body length picture measured value be respectively 3.85cm, 4.49cm, 3.14cm, 0.52cm, 21.94cm; Shoulder joint left end in recycling tools for measurement mensuration water bird individual top view picture is to shoulder joint right-hand member, and haunch left end is to haunch right-hand member distance, and the chest breadth and the wide picture measured value of pelvis that obtain mensuration individuality are respectively 2.72cm and 1.64cm.
3, the conversion of individual picture measured value is measured: the practical measurement value utilizing formula (2) conversion to obtain the individual chest depth of mensuration, tread, shin length, back of the body length, chest breadth and pelvis wide is respectively 10.31cm, 12.03cm, 8.42cm, 58.77cm, 9.94cm and 6.01cm, utilize formula (3) to change the individual shin of acquisition and enclose practical measurement value into 4.38cm, concrete each measurement result is in table 1.
Table 1. Taihu goose body chi picture measured value information slip corresponding to practical measurement value
Mensuration project Picture measured value Corresponding picture check and correction ratio Practical measurement value
Chest depth 3.85 2.678571429 10.31
Tread 4.49 2.678571429 12.03
Shin is long 3.14 2.678571429 8.42
The back of the body is long 21.94 2.678571429 58.77
Shin encloses 0.52(determined diameter) 2.678571429 4.38
Chest breadth 2.72 3.658536585 9.94
Pelvis is wide 1.64 3.658536585 6.01
Embodiment 2---Shaoxing pockmark duck Body size measurements:
1, body side view and the calculating of top view check and correction ratio is measured: mensuration acquisition measures body side view and top view object of reference picture measured length is respectively 5.5cm and 4.2cm, and the physical length of object of reference is 15cm in two pictures, calculates according to formula (1) the check and correction ratio obtaining this body side view and top view thus and be respectively 2.72727 and 3.57143.
2, measure individual body chi picture measured value to obtain: utilize first thoracic vertebra in the picture of tools for measurement sequentially determining water bird individual side to Os Draconis leading edge, Os Draconis leading portion is to Os Draconis end, shank upper joint is to the three or four toe spacing, and with substituting line and measure the length of shin mid diameter and lineback in figure, obtain measure individual chest depth, tread, shin length, shin mid diameter, back of the body length picture measured value be respectively 2.48cm, 4.31cm, 2.13cm, 0.43cm, 14.13cm; Shoulder joint left end in recycling tools for measurement mensuration water bird individual top view picture is to shoulder joint right-hand member, and haunch left end is to haunch right-hand member distance, and the chest breadth and the wide picture measured value of pelvis that obtain mensuration individuality are respectively 2.28cm and 1.77cm.
3, the conversion of individual picture measured value is measured: the practical measurement value utilizing formula (2) conversion to obtain the individual chest depth of mensuration, tread, shin length, back of the body length, chest breadth and pelvis wide is respectively 6.76cm, 11.75cm, 5.81cm, 38.53cm, 8.14cm and 6.32cm, utilize formula (3) to change the individual shin of acquisition and enclose practical measurement value into 3.67cm, concrete each measurement result is in table 2.
Table 2. Shaoxing pockmark duck body chi picture measured value information slip corresponding to practical measurement value
Mensuration project Picture measured value Corresponding picture check and correction ratio Practical measurement value
Chest depth 2.48 2.727272727 6.76
Tread 4.31 2.727272727 11.75
Shin is long 2.13 2.727272727 5.81
The back of the body is long 14.13 2.727272727 38.53
Shin encloses 0.43 (diameter) 2.727272727 3.67
Chest breadth 2.28 3.571428571 8.14
Pelvis is wide 1.77 3.571428571 6.32

Claims (2)

1. utilize picture to carry out a method for aquatic bird Body size measurements, it is characterized in that the method comprises the following steps:
1) picture scale check and correction step: utilize survey tool measure the physical length of body side view and top view known length object of reference and be divided by with the measured length in its picture, obtains each picture check and correction ratio; Side view comprises length object of reference picture perpendicular to the ground in the positive left side shooting of aquatic bird body, top view be take directly over dorsal line on aquatic bird body comprise length object of reference picture parallel to the ground;
2) picture Body size measurements step: utilize first thoracic vertebra in tools for measurement sequentially determining water bird individual side view to Os Draconis leading edge, Os Draconis front end is to Os Draconis end, shank upper joint is to the three or four toe spacing, and with substituting the length of shin mid diameter and lineback in line mensuration figure, obtaining the chest depth of mensuration water bird individual, tread, shin length, shin mid diameter, carrying on the back long picture measured value; Shoulder joint left end in recycling tools for measurement mensuration water bird individual top view is to shoulder joint right-hand member, and haunch left end is to haunch right-hand member distance, and the chest breadth and the wide picture measured value of pelvis that obtain mensuration water bird individual complete picture Body size measurements step;
3) switch process of individual body chi picture measured value and individual body chi practical measurement value: individual body chi chest depth, tread, shin are grown, carry on the back length, chest breadth and the wide picture measured value of pelvis is multiplied by check and correction ratio, obtain the practical measurement value of individual chest depth, tread, shin length, back of the body length, chest breadth and wide 6 the Body size measurements projects of pelvis, utilize shin mid diameter picture measured value to be multiplied by pi, then be multiplied by check and correction ratio obtain individual shin containment body chi practical measurement value.
2. a kind of method utilizing picture to carry out aquatic bird Body size measurements according to claim 1, it is characterized in that step 1) lieutenant colonel contrast ratio be object of reference physical length divided by picture measured length, formula is as follows:
Check and correction ratio=object of reference physical length/picture measured length.
CN201410112540.9A 2014-03-24 2014-03-24 A kind of method utilizing picture to carry out aquatic bird Body size measurements Active CN103892837B (en)

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CN201410112540.9A CN103892837B (en) 2014-03-24 2014-03-24 A kind of method utilizing picture to carry out aquatic bird Body size measurements
AU2014387886A AU2014387886B8 (en) 2014-03-24 2014-08-18 A method to measure body size of waterfowl by using photos
PCT/CN2014/084630 WO2015143822A1 (en) 2014-03-24 2014-08-18 Method for measuring size of waterfowl body using picture

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103892837B (en) * 2014-03-24 2016-04-27 浙江省农业科学院 A kind of method utilizing picture to carry out aquatic bird Body size measurements
CN106172177A (en) * 2016-06-29 2016-12-07 扬州大学 A kind of method of living body measurement geese down yield
CN106491134A (en) * 2016-10-18 2017-03-15 宁波市第医院 Left auricle of heart measuring method in left atrial appendage occlusion art

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101288589A (en) * 2008-04-25 2008-10-22 浙江省淡水水产研究所 Non-invasive rapid detection device of aquatic animal morphological feature
CN201167956Y (en) * 2008-03-21 2008-12-24 中山大学 Device for measuring length of organism

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6084407A (en) * 1998-09-10 2000-07-04 Pheno Imaging, Inc. System for measuring tissue size and marbling in an animal
KR20010068068A (en) * 2001-04-19 2001-07-13 양군모 System for measuring and managing physical size of human body
CN101904748B (en) * 2009-06-02 2011-11-09 上海仪器仪表研究所 Method for measuring and acquiring body image data of dairy cow
CN101929853A (en) * 2010-08-06 2010-12-29 厦门大学 Gastropoda animal proleg sucking disc area measurement method
CN101971779B (en) * 2010-09-15 2013-03-27 大连海洋大学 Method for measuring dimension of aquatic animal pelagic larva
CN202078315U (en) * 2011-05-18 2011-12-21 上海理工大学 Device for measuring article size
CN202184734U (en) * 2011-08-23 2012-04-11 福建省农业科学院畜牧兽医研究所 Measuring ruler for livestock growing condition
CN102564311A (en) * 2012-01-13 2012-07-11 常州环视高科电子科技有限公司 Method and system for measuring size of object by using traditional camera
CN202699139U (en) * 2012-07-31 2013-01-30 甘肃农业大学 Novel animal measuring stick
CN103892837B (en) * 2014-03-24 2016-04-27 浙江省农业科学院 A kind of method utilizing picture to carry out aquatic bird Body size measurements

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201167956Y (en) * 2008-03-21 2008-12-24 中山大学 Device for measuring length of organism
CN101288589A (en) * 2008-04-25 2008-10-22 浙江省淡水水产研究所 Non-invasive rapid detection device of aquatic animal morphological feature

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AU2014387886A1 (en) 2016-09-08

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