CN107038458A - A kind of place of production method of discrimination based on Eriocheir sinensis carapace form - Google Patents
A kind of place of production method of discrimination based on Eriocheir sinensis carapace form Download PDFInfo
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- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
- G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
- G06V10/754—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries involving a deformation of the sample pattern or of the reference pattern; Elastic matching
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Abstract
The present invention relates to a kind of place of production method of discrimination based on Eriocheir sinensis carapace form, belong to fish quality technical field.It specially fishes for the Eriocheir sinensis in different waters by collection, shooting, amendment, Database and discriminant analysis；Transport laboratory after sample collection back, and its carapace form is shot according to eyes forward direction on graduated flat board；All photos are amplified multiplying power amendment according to unified direction, all photos is under unified direction and multiplying power；Set up reference coordinate shafting and calculate the coordinate points data file of the extreme point of depression or projecting point in the intersection point of the different tissues on Eriocheir sinensis carapace, structure and structure.The analysis method of the present invention is reliable, and precision is good；The Eriocheir sinensis colony for originating from some well-known places of production can be effectively distinguished, and the distinctive carapace morphological feature storehouse of each place of production waters Eriocheir sinensis and discriminant function equation can be set up.
Description
Technical field
, can be more objective, lossless the present invention relates to a kind of place of production method of discrimination based on Eriocheir sinensis carapace form
Set up to wound the feature that Eriocheir sinensis carapace form is produced in different waters；Can relatively effectively, fast and accurately using these features
Ground is differentiated from contents such as different sources waters Eriocheir sinensis sources groups, belongs to fish quality technical field.
Background technology
Eriocheir sinensis (Eriocheir sinensis), is commonly called as river crab, steamed crab, category Arthropoda, Crustachia, ten
Sufficient mesh, Grapsidae, Eriocheir, are one of China (particularly Jiangsu Province) main product, high level aquatic products.With artificial breeding technique
Success, the yield rapid increase of Eriocheir sinensis.It is widely distributed in the culture zone of China Eriocheir sinensis, it is south to Fujian, wide
East, north to Liaoning, Shandong.The Eriocheir sinensis that so numerous sources are different, quality differs, in market sale, is corresponding management
Supervision work and consumer select purchase and bring difficulty.Particularly the aquatic products cognition degree of the Eriocheir sinensis of different sources is not
Together, price differs greatly；It is wherein optimal with ChangJiang River；And in ChangJiang River, especially using Yangcheng Lake Eriocheir sinensis quality as
It is excellent.It is generally acknowledged that Yangcheng Lake production Eriocheir sinensis individual is big, body is fertile, crab meat is plentiful, contained moisture is less, containing protein, fat
The nutritional ingredients such as fat matter, carbohydrate and vitamin A are higher, also with certain medical value, and price is far above other productions
The crab on ground.Price variance just because of river crab between different sources is larger, and criminal can be by palming off brand crab (as " having a bath
Crab ") etc. means sold, had a strong impact on Eriocheir sinensis market normal order and the producer and consumer it is proper
Rights and interests.Effectively differentiate that the method for different sources Eriocheir sinensis is significant in this regard, finding, but difficulty is also very big.
When biology is adapted to specific environment for a long time, it gradually can produce a series of heritable differences with other colonies.
Morphological feature be by gene and the coefficient result of envirment factor, and geographical barriers make a population with it is of the same race another
One population causes to form certain difference in the even heredity of form, physiology, and then formed due to geographic separation to a certain degree
The Eriocheir sinensis colony of the different water systems such as the Oujiang River, the Liaohe River and the Changjiang river.This is just to distinguish that Eriocheir sinensis is former using form
The place of production is provided may.But the morphological analysis method of traditional river crab be limited to its research object morphological differences is recognized it is accurate
The low influence of property, although Eriocheir sinensis carapace form global feature conclude and have some superiority, but certain can not be held
The difference (some raised and decorative patterns on such as carapace) of a little concrete form features.Compared with traditional form analysis method, ground
Punctuate rule focuses more on the difference characteristic of specific modality, by setting up the corresponding system of axis, extracts the coordinate of morphological feature
Information, and by a series of twist relative and amplify the difference that grid chart further shows characteristic point between different research objects
It is different.If this method is obviously attached to the Morphology Discriminant Analysis of Eriocheir sinensis, and develop it is a kind of quick,
Efficiently, the method for discrimination of undamaged different waters original producton locations Eriocheir sinensis, undoubtedly by for the original producton location of China's river crab industry
Protection, the guarantee of " name, spy, excellent " aquatic products value provide important technical support and service.
The content of the invention
The purpose of the present invention is to overcome the shortcomings of traditional form measurement accuracy, objectivity etc., and other as chemistry, point
Sub- biotechnology etc. can cause a kind of shortcoming the sentencing there is provided new different sources Eriocheir sinensis carapace form of sample damage etc.
Other method.It is analyzed the variform feature in different sources Eriocheir sinensis carapace form using landmark point method, warp
Terrestrial reference point coordinates is extracted after image procossing, twist relative principal component analysis and discriminant analysis is carried out, and utilize thin plate spline point
Analysis and distortion of the mesh visualize its morphological variation vector, and original producton location differentiation is carried out with this；Result acquired by this method is stable
Property good, repeatable height, small systematic error, objectivity and identification it is strong, not only overcome traditional form method differentiation rate low
And the method such as chemistry can produce the limitation of damage to sample, and show its quick, easy, low cost advantage.
Technical scheme,
Beneficial effects of the present invention：The present invention is with Jiangsu Province Taihu Lake, Hongchehu Lake, Gaoyou Lake, Chang Danghu, Yangcheng Lake, vigone
The Eriocheir sinensia of the waters such as lake and Chongming Dongtan waters, Kunshan Ba Cheng cultivation bases, the deep cream steamed crab cultivation base in Xinghua production
Crab carapace form needs not move through pre-treatment as research object, directly gathers its carapace form photo using digital camera, passes through
After all photos are standardized by computer, by punctuate in a series extraction and compare, you can more quickly understand
The difference and geographical feature of different sources Eriocheir sinensis carapace morphological feature, and different productions are set up based on the above feature
The discrimination formula of ground Eriocheir sinensis.Result acquired by this method has objectivity, stability good, and repeatability is high, system
Error is small, and identification is strong, not only overcomes the low limitation of traditional form differentiation rate, and sampling object is hardly caused to damage
Wound, and have the advantage of simple, quick, accurate judgement etc..
The present invention can be efficiently differentiated originates from above-mentioned Taihu Lake, Hongchehu Lake, Gaoyou Lake, Chang Danghu, Yangcheng Lake, vigone respectively
The Eriocheir sinensia of the waters such as lake and Chongming Dongtan waters, Kunshan Ba Cheng cultivation bases, the deep cream steamed crab cultivation base in Xinghua production
Crab, corresponding differentiation success rate establishes the distinctive carapace morphological feature storehouse of each region Eriocheir sinensis and differentiation up to 100%
Functional equation.
Brief description of the drawings
Fig. 1 is that embodiment 1 is set up using tpsdig2 softwares to shooting well and passing through treated Eriocheir sinensia carapace picture
Coordinate points schematic diagram；A, male crab carapace landmark point position；B, female crab carapace landmark point position.
Fig. 2 be originate from embodiment 1 deep cream, Hongze and Dong Tan Eriocheir sinensis is female, male individual carapace and plastron
Grid chart schematic diagram (variation expand 10 times)；The male crab of a, deep cream；B, the male crab in Hongze；C, the male crab in eastern beach；D, the female crab of deep cream；E, flood
The female crab in pool；F, the female crab in eastern beach.
Fig. 3 is that the discriminant analysis for the male crab of the Eriocheir sinensis and female crab carapace form for originating from deep cream, Hongze and Dong Tan dissipates
Point diagram；A, male crab；B, female crab.
Fig. 4 is to originate from positive clear, Dongshan and the long Eriocheir sinensis swung is female, male individual carapace distortion of the mesh and variation are visual
Change (variation expands 10 times) figure；A, the clear male crab of sun；B, the male crab in Dongshan；C, length swing male crab；D, the clear female crab of sun；E, the female crab in Dongshan；f、
Length swings female crab.
Fig. 5 is to originate from positive clear, Dongshan and the long differentiation point for swinging the male crab (a) of Eriocheir sinensis and female crab (b) carapace form
Analyse scatter diagram.
Fig. 6 be originate from Gaoyou, Ba Cheng and vigone Eriocheir sinensis is female, male individual carapace distortion of the mesh and variation are visual
Change (variation expands 10 times) figure；A, the male crab in Gaoyou；B, Ba Cheng hero crab；The male crab of c, vigone；D, the female crab in Gaoyou；The female crab of e, Ba Cheng；f、
The female crab of vigone.
Fig. 7 is the differentiation point for originating from the male crab (a) of Gaoyou, Ba Cheng and vigone Eriocheir sinensis and female crab (b) carapace form
Analyse scatter diagram.
Embodiment
With reference to specific embodiment, the invention will be further described.
Embodiment 1：A kind of place of production method of discrimination based on Eriocheir sinensis carapace form, using following processing step：
(1) gather：River crab sample (each 10 of male and female) picks up from the big lock of the deep cream in Xinghua County respectively in December, 2015
Crab cultivation base waters (referred to as deep cream crab), Huaian Hongchehu Lake fortifield village Cultivated water (abbreviation Hongze crab) is picked up from December, 2015
And transport laboratory back after the husky waters of entrance of Changjiang River Chongming unity (referred to as eastern beach crab), sample collection are picked up from December, 2015；
(2) shoot：Digital camera is fixed on support, and on graduated flat board according to river crab eyes forward
Direction carries out the shooting of river crab carapace form；
(3) correct：All photos are amplified to the amendment of multiplying power according to unified direction on computers, made at all photos
In under unified direction and same multiplying power；
(4) Database：Using tpsdig2 softwares to shooting coordinate that is good and being set up by treated carapace picture
Point, as shown in figure 1, obtaining x, the y-coordinate value (2D) of landmark point, is set up coordinate points data file, is entered using tipsmall softwares
Row least square and rule (Least-squares criterion) regression analysis, examine the validity of landmark point；With
TpsRelw draws landmark point through Pu Shi superpositions, the landmark point of each sample is carried out translation put in, rotation and scale, calculate
Centroid distance, obtains mean type (mean shape), carries out thin plate spline analysis using tpsRegr, depicts each place of production carapace
And the grid chart (Fig. 2) of plastron, compare the morphological differences with average shape；
E, twist relative score (relative warps scores) the progress discriminant analysis (Fig. 3) using each sample.Three
Waters Eriocheir sinensis carapace morphological feature has significant geographical difference (differentiating success rate up to 100%).It is geographical special according to these
Levy, establish three waters Population of Eriocheir Sinensis carapace form twist relative scores (relative warps scores)
Differentiate linear function.
The male crab of deep cream, the male crab in Hongze, the male crab in eastern beach：
Y1=-1840.847X2-1216.199X3-818.772X4+900.296X5+158.856X6+1218.39X7+
2122.645X8+648.959X9+2322.112X10-1465.134X11+1898.581X12+1187.52X13-273.872X14+
1037.586X15-162.186X16-2218.219X17-1489.842X18+6376.141X19+1378.757X20-83.918X21+
1664.069X22-634.87X23+1289.556X24-3028.918X25-1891.943X26+976.491X28+228.704X32+
30.004
Y2=-257.728X2+137.541X3-282.863X4-608.589X5+218.209X6+72.929X7-
387.795X8+1346.205X9+233.705X10+570.437X11-534.565X12-151.584X13+477.899X14+
1515.891X15+65.008X16-351.386X17+1167.525X18+269.178X19+1402.899X20+1276.05X21-
809.188X22-1157.169X23+169.816X24+1230.449X25+828.954X26-356.964X28+1200.056X32+
1.234
The deep female crab of cream, the female crab in Hongze, the female crab in eastern beach
Y1=-1003.022X2+1704.593X3-1334.741X4-120.919X5+556.454X6-479.67X7-
1254.103X8-224.107X9+581.067X10+2095.603X11-1057.586X12+1706.164X13+48.601X14+
1643.11X15+1116.903X16+1637.602X17+1695.305X18+2065.929X19+1929.53X20-36.892X21+
2792.545X22-2139.022X23+2030.941X24-1125.835X25+3145.817X26+2138.984X27+13.575
Y2=-133.929X2-635.938X3+83.038X4+813.593X5-219.281X6+416.336X7-
809.812X8-668.747X9-855.131X10+24.556X11-42.994X12+1286.518X13+514.319X14+
719.911X15-847.697X16+2106.107X17-80.528X18+1394.686X19+1167.591X20-1062.602X21+
516.542X22-3376.46X23+1631.546X24-36.118X25+1505.224X26-1628.795X27-6.991
X2-27Middle X represents twist relative score, and index number represents the number of times during twist relative.Utilize institute of the present invention
Obtaining data more can objectively distinguish the Eriocheir sinensis for originating from deep cream, Hongze, Dong Tan, and male crab and female crab sentencing respectively
Other accuracy rate is up to 100%, and differentiation works well.
A kind of place of production method of discrimination based on Eriocheir sinensis carapace form of embodiment 2, using following processing step：
(1) gather：River crab sample (each 10 of male and female) picks up from western Yangcheng Lake waters respectively in October, 2015, and (referred to as sun is clear
Crab), adopt in January, 2016 in Suzhou City Taihu Lake Dongshan purse seine waters (abbreviation Dongshan crab), pick up from December, 2015 Changzhou Jintan and
The length of Liyang transports laboratory back after swinging lake purse seine waters (referred to as length swings crab), sample collection；
(2) shoot：Digital camera is fixed on support, and on graduated flat board according to river crab eyes forward
Direction carries out the shooting of river crab carapace form；
(3) correct：All photos are amplified to the amendment of multiplying power according to unified direction on computers, made at all photos
In under unified direction and same multiplying power；
(4) Database：Using tpsdig2 softwares to shooting coordinate that is good and being set up by treated carapace picture
Point, obtains x, the y-coordinate value (2D) of landmark point, sets up coordinate points data file, and least square is carried out using tipsmall softwares
With rule (Least-squares criterion) regression analysis, the validity of landmark point is examined；It is folded through Pu Shi with tpsRelw
Plus draw landmark point, the landmark point of each sample is carried out translation put in, rotation and scale, calculate centroid distance, obtain flat
Equal type (mean shape), carries out thin plate spline analysis using tpsRegr, depicts the grid chart of each place of production carapace and plastron
(Fig. 4), compares the morphological differences with average shape；
(5) discriminant analysis：Using the twist relative score (relative warps scores) of each sample differentiate and divide
Analyse (Fig. 5).Three waters Eriocheir sinensis carapace morphological features have significant geographical difference (differentiating success rate up to 100%).According to
These geographical features, establish three waters Population of Eriocheir Sinensis carapace form twist relative score (relative warps
Scores differentiation linear function).
The clear male crab of sun, the male crab in Dongshan, length swing male crab
Y1=1292.356X2+632.504X3+1314.067X4+2708.676X5-657.453X6-544.595X7-
1508.931X8-1532.056X9+1087.098X10+811.929X11+1016.633X12-3328.582X13-3428.043X14+
2087.009X15-1447.78X16+800.599X17-1303.103X18+1945.692X19+3337.257X20+1205.611X21-
3018.781X22+2401.804X23+3411.274X24+2862.82X25+2051.093X26-371.056X27-1653.354X28+
1.97
Y2=134.101X2+21.499X3-20.948X4+138.528X5+168.864X6+381.579X7+153.211X8-
338.035X9+125.723X10+159.25X11-220.752X12+383.935X13-66.936X14-399.297X15+
226.828X16+322.166X17-799.843X18-356.881X19+101.799X20-12.791X21-168.215X22+
653.865X23-209.983X24+287.455X25+582.956X26-293.426X27+186.208X28--2.416
The clear female crab of sun, the female crab in Dongshan, length swing female crab
Y1=-787.378X2-1702.365X3+1412.366X4-3485.944X5-1991.634X6-1540.23X7-
951.102X8+5345.261X9+5365.891X10+6703.237X11-2682.161X12+3845.273X13+1699.688X14-
2811.19X15-7452.031X16-591.035X17-8449.617X18+3813.033X19+3890.897X20+13742.488X21
+1787.221X22-1159.517X23-1559.144X24+2347.193X25+3472.836X26-7727.358X27-
2384.793X28-2.424
Y2=276.236X2+135.976X3+660.637X4+817.365X5-1274.094X6-1568.832X7+
2698.658X8+6.299X9-1124.02X10+37.945X11+1527.939X12+1505.227X13+308.162X14-
1522.525X15+1118.622X16+2556.065X17+919.253X18+206.82X19-702.562X20+541.126X21+
1408.831X22+676.686X23-159.016X24-2936.341X25+1980.166X26-924.085X27-1736.798X28-
0.495
X2-28Middle X represents twist relative score, and index number represents the number of times during twist relative.Utilize institute of the present invention
Obtain data and more can objectively distinguish and originate from positive clear, Dongshan, the long Eriocheir sinensis swung, and male crab and female crab sentencing respectively
Other accuracy rate is up to 100%, and differentiation works well.
A kind of place of production method of discrimination based on Eriocheir sinensis carapace form of embodiment 3, using following processing step：
(1) gather：It is (referred to as high that river crab sample (each 10 of male and female) picks up from Goebel lake purse seine waters respectively in December, 2015
Postal crab), pick up from the joint village in Kunshan bar cities and towns smoothly Fisheries Major cooperation connection society cultivation base pond (abbreviation Ba Cheng in November, 2015
Crab), transport laboratory back after picking up from Luoma Lake seining cultivation waters (abbreviation vigone crab), sample collection in November, 2016；
(2) shoot：Digital camera is fixed on support, and on graduated flat board according to river crab eyes forward
Direction carries out the shooting of river crab carapace form；
(3) correct：All photos are amplified to the amendment of multiplying power according to unified direction on computers, made at all photos
In under unified direction and same multiplying power；
(4) Database：Using tpsdig2 softwares to shooting coordinate that is good and being set up by treated carapace picture
Point, obtains x, the y-coordinate value (2D) of landmark point, sets up coordinate points data file, and least square is carried out using tipsmall softwares
With rule (Least-squares criterion) regression analysis, the validity of landmark point is examined；It is folded through Pu Shi with tpsRelw
Plus draw landmark point, the landmark point of each sample is carried out translation put in, rotation and scale, calculate centroid distance, obtain flat
Equal type (mean shape), carries out thin plate spline analysis using tpsRegr, depicts the grid chart of each place of production carapace and plastron
(Fig. 6), compares the morphological differences with average shape；
(5) discriminant analysis：Using the twist relative score (relative warps scores) of each sample differentiate and divide
Analyse (Fig. 7).Three waters Eriocheir sinensis carapace morphological features have significant geographical difference (differentiating success rate up to 100%).According to
These geographical features, establish three waters Population of Eriocheir Sinensis carapace form twist relative score (relative warps
Scores differentiation linear function).
Gaoyou hero crab, the male crabs of Ba Cheng, the male crab of vigone
Y1=272.23X2+210.506X3+206.354X4+277.662X5+11.634X6+498.315X7+
1576.082X8-893.379X9+1362.685X10+1031.996X11+1610.148X12-48.193X13-4673.481X14-
1090.5X15+1843.433X16+156.372X17+715.17X18-194.566X19+2140.403X20+311.356X21-
2550.426X22+3057.065X23+3546.611X24-1759.41X25-1056.639X26+1031.59X27-5533.302X29+
2.395
Y2=60.833X2-12.335X3-89.637X4-1.912X5+148.222X6+0.101X7-156.631X8+
341.234X9+349.301X10+176.167X11+224.082X12-91.092X13-371.533X14+517.343X15-
6.699X16-156.667X17-35.971X18-77.219X19+516.991X20-487.912X21+255.012X22+44.091X23
+54.458X24+64.509X25+593.023X26+783.483X27+1232.916X29-0.839
The male crab of the female crab in Gaoyou, the female crabs of Ba Cheng, vigone
Y1=-116.541X2-759.779X3+1349.953X4+1395.078X5-433.419X6-650.085X7+
406.81X8-917.108X9+367.035X10+570.649X11-374.687X12+1477.953X13+2334.454X14+
121.808X15-2974.035X16-410.356X17+1898.475X18+340.154X19-1651.036X20+485.709X21+
2007.377X22-1412.604X23-1890.559X24-89.226X25+89.936X26+394.205X27-3020.758X30+
1.791
Y2=-109.616X2-37.282X3-278.262X4-109.659X5+87.363X6-136.829X7+355.382X8
+317.787X9-273.637X10+367.206X11-36.748X12+114.915X13-5.991X14-168.949X15+
157.568X16+506.372X17-296.985X18-426.299X19+121.257X20-123.815X21-360.606X22+
476.746X23+642.74X24-374.382X25+82.953X26-158.487X27+530.595X30-1.579
X2-30Middle X represents twist relative score, and index number represents the number of times during twist relative.Utilize institute of the present invention
Obtaining data more can objectively distinguish and originates from Gaoyou, Ba Cheng, the Eriocheir sinensis of vigone, and male crab and female crab sentencing respectively
Other accuracy rate is up to 100%, and differentiation works well.
Claims (5)
1. a kind of place of production method of discrimination based on Eriocheir sinensis carapace form, it is characterized in that step is as follows：
（1）Collection：Field acquisition different sources Eriocheir sinensis, and transport laboratory back；
（2）Shoot：On with graduated flat board it is shot according to Eriocheir sinensis eyes forward direction using digital camera
Complete carapace form；
（3）Amendment：All photos are amplified multiplying power amendment according to unified direction on computers, are in all photos unified
Under direction and same multiplying power；
（4）Database：Set up reference coordinate shafting and calculate the intersection point of the different tissues on Eriocheir sinensis carapace, knot
The coordinate points data file of the extreme point of depression or projecting point and structure in structure；
（5）Discriminant analysis：Its twist relative score is calculated according to coordinate points data file, and carries out discriminant analysis, discriminant line is used
Property functional value difference Eriocheir sinensis which place of production waters belonged to.
2. the place of production method of discrimination as claimed in claim 1 based on Eriocheir sinensis carapace form, it is characterized in that：Step（2）
When carrying out carapace shooting, digital camera is fixed on support and is allowed to parallel with the carapace of Eriocheir sinensis, to avoid shooting
Occur scalloping, the carapace photo of distortion.
3. the place of production method of discrimination as claimed in claim 1 based on Eriocheir sinensis carapace form, it is characterized in that：Step（3）Repair
Timing, the amendment that the scale plate in photo background is rotated to all photos, amplified etc., it is ensured that all photos are in system
Under one direction and enlargement ratio.
4. the place of production method of discrimination as claimed in claim 1 based on Eriocheir sinensis carapace form, it is characterized in that：Step（4）Sentence
When not analyzing, coordinate points are set up to shooting good and Jing Guo Chu Liguo carapace and plastron picture using tpsdig2 softwares, obtain ground
X, y 2D coordinate values of punctuate, set up coordinate points data file, and least square and rule are carried out using tipsmall softwares
Least-squares criterion regression analyses, examine the validity of landmark point；Draw ground through Pu Shi superpositions with tpsRelw
Punctuate, the landmark point of each sample is carried out translation put in, rotation and scale, calculate centroid distance, obtain mean type mean
Shape, carries out thin plate spline analysis using tpsRegr, depicts the grid chart of each place of production carapace and plastron, compares and average
The morphological differences of shape.
5. the place of production method of discrimination as claimed in claim 1 based on Eriocheir sinensis carapace form, it is characterized in that：The Sinensis
Ao Xie colonies specifically include to originate from Jiangsu Province Taihu Lake, Hongchehu Lake, Gaoyou Lake, Chang Danghu, Yangcheng Lake, Luoma Lake and Chong Mingdong
The waters such as beach waters, Kunshan Ba Cheng cultivation bases, the deep cream steamed crab cultivation base in Xinghua are the Eriocheir sinensis of representative.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213539.9A CN107038458A (en) | 2017-04-01 | 2017-04-01 | A kind of place of production method of discrimination based on Eriocheir sinensis carapace form |
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| CN114910608A (en) * | 2022-05-10 | 2022-08-16 | 山东省海洋科学研究院(青岛国家海洋科学研究中心) | Fish otolith grid point-filling semi-landmark point method-based population discrimination method |
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| CN108898161A (en) * | 2018-06-07 | 2018-11-27 | 中国水产科学研究院淡水渔业研究中心 | A kind of Coilia fishes population method of discrimination based on Otolith Morphology |
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| CN114910608A (en) * | 2022-05-10 | 2022-08-16 | 山东省海洋科学研究院(青岛国家海洋科学研究中心) | Fish otolith grid point-filling semi-landmark point method-based population discrimination method |
| CN114910608B (en) * | 2022-05-10 | 2023-07-21 | 山东省海洋科学研究院(青岛国家海洋科学研究中心) | Group discrimination method based on fish otolith grilled point-supplementing half-landmark point method |
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