CN114467825B - Intelligent classification system for recirculating aquaculture fishes - Google Patents
Intelligent classification system for recirculating aquaculture fishes Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/90—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination
- A01K61/95—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination specially adapted for fish
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/06—Arrangements for heating or lighting in, or attached to, receptacles for live fish
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K79/00—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention discloses an intelligent grading system for fish cultured in circulating water, which can comprise a culture pond, an underwater camera, a biomass evaluation channel, a fish sucking pump, a server, a light supplementing lamp and the like. The system mainly utilizes machine vision and an artificial intelligence algorithm to quantify and analyze the community hierarchical structure information of the recirculating aquaculture fish, then combines swimming strategy game characteristics among individuals with different community levels of the fish, couples the information of the recirculating aquaculture environment, solves the best community hierarchical structure configuration of the current aquaculture object, and realizes intelligent classification of the aquaculture fish based on the configuration. The system provided by the invention is simple in structure, the method is simple, convenient and effective, the feeding welfare of the cultured fishes is ensured, meanwhile, the stable hierarchical structure of the fish community is promoted, and the differentiation of the individual community levels in the fish community is avoided, so that the production efficiency is improved, and the culture benefit is maximized.
Description
Technical Field
The invention belongs to the field of industrial circulating water intelligent culture, relates to an intelligent culture mode for coupling the analysis of ingestion welfare and swimming energy consumption of cultured fishes, and particularly relates to an intelligent grading system for the cultured fishes in the circulating water.
Background
China is a large fish culture country, the current domestic fish culture mode is mainly characterized by soil ponds and net cages, and circulating water culture with controllable environment and production tends to be realized along with the increasing shortage of water resources and the pressure brought by environmental pollution. How to relieve the individual size differentiation among the cultured objects is a difficult problem in aquaculture. Generally, the size of the breeding object determines the community level, and the larger the size, the higher the community level. The individual size differentiation results in a large degree of community-level differentiation of the farmed subjects, which not only affects the feeding and growth welfare of the farmed subjects (especially the lower-community-level individuals), but also is not beneficial to the daily management of the farmer. For fish (particularly, fishes with obvious community grade), the aquaculture currently advocates to solve the above problems by carrying out uniform size classification on cultured objects, i.e. re-gathering individuals with similar sizes to the same culture water body, so as to weaken the physical stress among fish community individuals caused by community grade differentiation. However, this method is time-consuming and labor-consuming, and has a high cost, and the stability of the hierarchical structure of the fish community after classification is not fully considered, which is very likely to cause the re-differentiation of the sizes of the individual cultured objects, thereby resulting in two or more subsequent classifications.
Research shows that under the same environment, besides the influence of innate factors in gene and physiology, behavior interaction among individuals is a main factor influencing the size differentiation of individuals in a fish school. This type of behavioral interaction is mainly manifested as aggression between individuals with large differences in community levels and fighting between individuals with similar community levels. The aggressive behavior and the fighting behavior not only cause the stress of the two interactive parties, but also easily cause the damage of the body surfaces of the two interactive parties. In order to avoid the behavior interaction, the fish community individuals often form a specific swimming strategy according to the community level and benefit requirements, and the swimming strategy determines the food intake and growth of the fish community individuals to a great extent and then influences the stability of the community level structure of the fish community.
On the basis of the background, the invention provides an intelligent grading system for circulating water aquaculture fish, which quantifies and analyzes the community hierarchical structure information of the circulating water aquaculture fish through machine vision and artificial intelligence algorithms, then solves the optimal community hierarchical structure configuration of the current aquaculture object by combining swimming strategy game characteristics among different community hierarchical individuals of the fish and circulating water aquaculture environment information, and realizes intelligent grading of the aquaculture fish based on the configuration. The system provided by the invention is simple in structure, the method is simple, convenient and effective, the feeding welfare of the cultured fishes is ensured, meanwhile, the stable hierarchical structure of the fish community is promoted, and the differentiation of the individual community levels in the fish community is avoided, so that the production efficiency is improved, and the culture benefit is maximized.
Disclosure of Invention
The invention aims to provide an intelligent grading system for recirculating aquaculture fishes, which can determine the best community hierarchical structure configuration mode of a current aquaculture object according to a fish community hierarchical structure and the game characteristics of fish swimming strategy analysis, and provides good technical support for intelligent grading of recirculating aquaculture.
The technical scheme adopted by the invention is as follows:
a recirculating aquaculture fish intelligent grading system is characterized in that firstly, quantification and analysis are carried out on recirculating aquaculture fish community hierarchical structure information through a machine vision and artificial intelligence algorithm, then, swimming strategy game characteristics among individuals with different community levels of a fish community and aquaculture environment information are combined, the best community hierarchical structure configuration of a current aquaculture object is solved, and intelligent grading of aquaculture fish is achieved based on the configuration.
The system can comprise a culture pond, an underwater camera, a biomass evaluation channel, a fish sucking pump, a server, a light supplementing lamp and the like; the underwater camera and the biomass evaluation channel are arranged in the culture pond and are connected with the server; and the output end of the server is respectively connected with the light supplementing lamp and the fish sucking pump.
By applying the intelligent grading system, the intelligent grading decision in the circulating water culture can be carried out by analyzing the breeding object community grade structure characteristics, the swimming strategy game characteristics and the breeding environment conditions, and the intelligent grading system specifically comprises the following steps:
(1) The server triggers the underwater camera to read the real-time picture, and calculates the individual length (L) and width (W) information of the fish school in the current culture pond by using an artificial intelligence algorithm; then, carrying out normalization on the individual body length information of the fish school: (1) when W is i ≤0.4L i When the utility model is used, the water is discharged,
(2) when W is i ＞0.4L i When the temperature of the water is higher than the set temperature,
wherein i is more than or equal to 1 and less than or equal to N, N is the number of the objects cultured in the current culture pond, and L i Is the body length of the ith subject, L max And L min Respectively representing the longest length and the shortest length of the breeding objects in the current breeding pond;
(2) Based on the normalized fish community individual length information, the fish community grade structure characteristics are quantized, and the proportion of different community grade individuals in the community is calculated as follows: (1) high community-level individual proportion
Wherein N is h The number of fish school individuals is more than or equal to 0.7 and less than or equal to 1; (2) percentage of individuals in the middle of the community
Wherein N is m The number of fish groups is more than 0.3 and less than 0.7; (3) low community-level proportion of individuals
Wherein N is l The number of fish school individuals is more than or equal to 0 and less than or equal to 0.3;
(3) Coupling water body flow velocity information based on quantized fish community hierarchical structure characteristic information and game characteristics of fish swimming strategy analysis, and determining the current best community hierarchical structure configuration of the fish community:
1) When the average flow velocity V of the aquaculture water is more than or equal to 1BL h S, where BL h If the average length of the individuals with high community levels without normalization processing is obtained, the following steps are carried out: p is h ’＝P h ，P m ’＝P m ，P l ’＝P l ；
2) When the average flow velocity of the aquaculture water is 1BL h /s＞V≥1BL m S, where BL m If the average body length of the individuals at the middle community level is not subjected to normalization processing, the following steps are performed:
(1) when N is present h When =1, P h ’＝P h ，P m ’＝P m ，P l ’＝P l ；
(2) When N is present h When the pressure is higher than 1,
P m ’＝1-P h ’-P l ’，P l ’＝P l wherein
M feed The current daily feed amount, M all The sum of the biomass of the current fish school;
3) When the average flow velocity of the aquaculture water is 1BL m /s＞V≥1BL l S, where BL l If the average length of the low community level individuals is not normalized, then:
(1) when N is present h ＝N m When =1, P h ’＝P h ，P m ’＝P m ，P l ’＝P l ；
(2) When N is present h ＝1，N m At > 1, P h ’＝P h ，
P l ’＝1-P h ’-P m ’；
(3) When N is present h ＞1，N m When the pressure is higher than 1,
P l ’＝1-P h ’-P m ’；
4) When the average flow velocity V of the aquaculture water is less than 1BL l /s：
(1) When N is present h ＝N m When =1, P h ’＝P h ，P m ’＝P m ，P l ’＝P l ；
(2) When N is present h ＝1，N l When the pressure is higher than 1,
P l ’＝1-P h ’-P m ’；
(3) when N is present h ＞1，N m When the pressure is higher than 1,
P l ’＝1-P h ’-P m ’；
according to the solved optimal community level structure configuration of the fish school, recalculating the optimal individual number of different community levels in the current fish school: (1) high community level number of individuals N h ’＝round(P h ' × N), (2) the number of community-level individuals N m ’＝round(P m ' × N), (3) number of individuals of low social level N l ’＝N-N h ’-N m '; wherein N is the total number of fish population individuals, i.e. N = N h +N m +N l (ii) a Wherein the round function means "round off;
(4) On the basis, the biomass evaluation channel and the fish sucking pump are utilized to accurately adjust the individual quantity of different community grade intervals (high, medium and low) so as to realize stable grade structure of the fish community; in particular, when the individual fish needs to be moved out of the current culture pond, the fish suction pump is triggered to move the individual fish out of the current culture pond if and only if the single object swims into the biomass evaluation channel and is identified as an individual in the community grade interval to be adjusted;
(5) The above operation may be repeated periodically, for example, once every 7 days.
The invention has the advantages that;
the intelligent grading system for the recirculating aquaculture fishes is simple in structure and accurate and effective in method, the decision of the optimal community hierarchical structure configuration of the fish is obtained based on the machine vision technology and the characteristic analysis of the swimming strategy game of the fish, the intelligent grading system for the aquaculture fishes abandons the traditional size homogenization grading mode, the feeding and growth benefits of the aquaculture fishes are guaranteed, meanwhile, the stable community hierarchical structure of the fish is promoted, the differentiation of individual community levels in the fish is avoided, the production efficiency of the recirculating aquaculture fishes is effectively improved, and the aquaculture benefit is maximized.
Drawings
FIG. 1 is a structure diagram of an intelligent grading system for recirculating aquaculture fishes.
In the figure: 1-a culture pond; 2-an underwater camera; 3-a biomass evaluation channel; 4-a fish pump; 5-a server; 6-light supplement lamp.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, a specific structure example of the intelligent fish grading system applicable to a recirculating aquaculture mode of the invention includes an aquaculture pond 1, an underwater camera 2, a biomass evaluation channel 3, a fish suction pump 4, a server 5, and a light supplement lamp 6; the underwater camera 2 and the biomass evaluation channel 3 are arranged in the culture pond 1 and are connected with the server 5; meanwhile, the output end of the server 5 is respectively connected with the fish sucking pump 4 and the light supplementing lamp 6.
The device is applied to the intelligent grading of the circulating water cultured fishes, and the decision method comprises the following steps:
(1) The server triggers the underwater camera to read the real-time picture, and calculates the individual length (L) and width (W) information of the fish school in the current culture pond by using an artificial intelligence algorithm; then, carrying out normalization on the individual body length information of the fish school: (1) when W i ≤0.4L i When the temperature of the water is higher than the set temperature,
(2) when W i ＞0.4L i When the utility model is used, the water is discharged,
wherein i is more than or equal to 1 and less than or equal to N, N is the number of the objects cultured in the current culture pond, and L i Is the body length of the ith subject, L max And L min Respectively represent the current culture pondThe longest body length and the shortest body length of the inner breeding objects;
(2) Based on the normalized fish community individual length information, the fish community grade structure characteristics are quantized, and the proportion of different community grade individuals in the community is calculated as follows: (1) high community-level individual proportion
Wherein N is h The number of fish school individuals is more than or equal to 0.7 and less than or equal to 1; (2) percentage of individuals in the middle of the community
Wherein N is m The individual number of fish school is more than 0.3 and less than 0.7; (3) low community-level proportion of individuals
Wherein N is l The number of fish school individuals is more than or equal to 0 and less than or equal to 0.3;
(3) Coupling water body flow velocity information based on quantized fish community hierarchical structure characteristic information and analyzed fish swimming strategy game characteristics to obtain a current optimal community hierarchical structure configuration scheme of the fish community:
1) When the average flow velocity V of the aquaculture water is more than or equal to 1BL h /s(BL h : high community level individual average length without normalization): p is h ’＝P h ，P m ’＝P m ，P l ’＝P l ；
2) When the average flow velocity of the aquaculture water is 1BL h /s＞V≥1BL m /s(BL m : average length of medium community level individuals without normalization processing):
(1) when N is present h When =1, P h ’＝P h ，P m ’＝P m ，P l ’＝P l ；
(2) When N is present h When the pressure is higher than 1,
P m ’＝1-P h ’-P l ’，P l ’＝P l in which
M feed The feeding amount for the current day, M all The sum of the biomass of the current fish school;
3) When the average flow velocity of the aquaculture water is 1BL m /s＞V≥1BL l /s(BL l : low community level individual average length without normalization):
(1) when N is present h ＝N m When =1, P h ’＝P h ，P m ’＝P m ，P l ’＝P l ；
(2) When N is present h ＝1，N m At > 1, P h ’＝P h ，
P l ’＝1-P h ’-P m ’；
(3) When N is present h ＞1，N m When the pressure is higher than 1,
P l ’＝1-P h ’-P m ’；
4) When the average flow velocity V of the aquaculture water is less than 1BL l /s：
(1) When N is present h ＝N m When =1, P h ’＝P h ，P m ’＝P m ，P l ’＝P l ；
(2) When N is present h ＝1，N l When the ratio is more than 1, the reaction solution is mixed,
P l ’＝1-P h ’-P m ’；
(3) when N is present h ＞1，N m When the pressure is higher than 1,
P l ’＝1-P h ’-P m ’；
(4) According to the solved optimal community level structure configuration of the fish school, recalculating the optimal individual number of different community levels in the current fish school: (1) high community level number of individuals N h ’＝round(P h ' × N), (2) the number of community-level individuals N m ’＝round(P m ' × N), (3) number of individuals of low social level N l ’＝N-N h ’-N m '; wherein N is the total number of fish groups, i.e. N = N h +N m +N l ；
(5) On the basis, the biomass evaluation channel and the fish sucking pump are utilized to accurately adjust the individual quantity of different community grade intervals (high, medium and low) so as to realize stable grade structure of the fish community; in particular, when the individual fish needs to be moved out of the culture pond, the fish suction pump is triggered to move the individual fish out of the current culture pond if and only if the individual fish swims into the biomass evaluation channel and is identified as an individual within the community level interval to be adjusted;
(6) The above operation is repeated once every 7 days.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. The system is characterized in that a machine vision and artificial intelligence algorithm are utilized to quantize and analyze the circulating water aquaculture fish community hierarchical structure information, then the optimal community hierarchical structure configuration of the current aquaculture object is obtained by combining swimming strategy game characteristics and aquaculture environment information among individuals with different community levels of a fish community, intelligent grading of the aquaculture fish is realized based on the configuration, and the machine vision and artificial intelligence algorithm are utilized to quantize and analyze the circulating water aquaculture fish community hierarchical structure information, and the method specifically comprises the following steps:
(1) Calculating the individual body length L and body width W information of the fish school in the current culture pond by using a machine vision technology and an artificial intelligence algorithm; then, carrying out normalization on the individual body length information of the fish school: (1) when W i ≤0.4L i When the temperature of the water is higher than the set temperature,
(2) when W is i ＞0.4L i When the utility model is used, the water is discharged,
wherein i is more than or equal to 1 and less than or equal to N, N is the number of the objects cultured in the current culture pond, and L i Is the body length of the ith subject, L max And L min Respectively representing the longest length and the shortest length of the cultured objects in the current culture pond;
(2) Based on the normalized fish community individual length information, the fish community level structure characteristics are quantized, and the proportion of different community level individuals in the community is calculated as follows: (1) high community-level proportion of individuals
Wherein N is h The number of fish school individuals is more than or equal to 0.7 and less than or equal to 1; (2) percentage of individuals in the middle community level
Wherein N is m The individual number of fish school is more than 0.3 and less than 0.7; (3) low community-level proportion of individuals
Wherein N is l The number of fish groups is more than or equal to 0 and less than or equal to 0.3.
2. The intelligent grading system for recirculating aquaculture fish of claim 1, wherein the system comprises an aquaculture pond, an underwater camera, a biomass evaluation channel, a fish suction pump, a server and a light supplement lamp; the underwater camera and the biomass evaluation channel are arranged in the culture pond and are connected with the server; and the output end of the server is respectively connected with the light supplementing lamp and the fish sucking pump.
3. The intelligent grading system for recirculating aquaculture fish as claimed in claim 1, wherein the optimal community level structure configuration of the current aquaculture object is solved by combining swimming strategy game characteristics and aquaculture environment information among individuals of different community levels of the fish, specifically:
determining the best community hierarchical structure configuration P of the current fish community according to the quantized fish community hierarchical structure characteristic information and the game characteristic analysis of the fish swimming strategy, coupling the water flow rate information h ’、P m ’、P l ’：
1) When the average flow velocity V of the aquaculture water is more than or equal to 1BL h S, where BL h If the average length of the individuals with high community levels without normalization processing is obtained, the following steps are carried out: p h ’＝P h ，P m ’＝P m ，P l ’＝P l ；
2) When the average flow velocity of the aquaculture water is 1BL h /s＞V≥1BL m S, where BL m If the average length of the individuals at the middle community level is not normalized, then:
(1) when N is present h When =1, P h ’＝P h ，P m ’＝P m ，P l ’＝P l ；
(2) When N is present h When the pressure is higher than 1,
P m ’＝1-P h ’-P l ’，P l ’＝P l in which
M feed The feeding amount for the current day, M all The sum of the biomass of the current fish school;
3) When the average flow velocity of the aquaculture water is 1BL m /s＞V≥1BL l S, where BL l Is not normalizedAverage length of individuals with low community level processed, then:
(1) when N is present h ＝N m When =1, P h ’＝P h ，P m ’＝P m ，P l ’＝P l ；
(2) When N is present h ＝1，N m At > 1, P h ’＝P h ，
P l ’＝1-P h ’-P m ’；
(3) When N is present h ＞1，N m When the pressure is higher than 1,
P l ’＝1-P h ’-P m ’；
4) When the average flow velocity V of the aquaculture water is less than 1BL l /s：
(1) When N is present h ＝N m When =1, P h ’＝P h ，P m ’＝P m ，P l ’＝P l ；
(2) When N is present h ＝1，N l At > 1, P h ’＝P h ，
P l ’＝1-P h ’-P m ’；
(3) When N is present h ＞1，N m When the pressure is higher than 1,
P l ’＝1-P h ’-P m ’。
4. the intelligent grading system for recirculating aquaculture fish of claim 3, wherein the optimal number of individuals in different community levels in the current fish is recalculated according to the optimal community level structure configuration of the current aquaculture object: (1) high community level number of individuals N h ’＝round(P h ' × N), (2) the number of community-level individuals N m ’＝round(P m ' × N), (3) number of individuals of low community level N l ’＝N-N h ’-N m '; wherein N is the total number of fish population individuals, i.e. N = N h +N m +N l 。
5. The intelligent grading system for recirculating aquaculture fishes as claimed in claim 1, wherein the biomass evaluation channel and the fish suction pump are used for accurately adjusting the number of individuals in different community grade intervals of high, medium and low so as to realize stable grade structure of the fish community; when the individual fish needs to be moved out of the current culture pond, the fish suction pump is triggered to move the individual fish out of the current culture pond if and only if the individual fish swims into the biomass evaluation channel and is identified as an individual within the community level interval to be adjusted.
6. The system for intelligently grading recirculating aquaculture fish of claim 1, wherein said system periodically performs intelligent grading of aquaculture fish.
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| CN113749030A (en) * | 2021-09-09 | 2021-12-07 | 浙江大学 | Fish welfare self-adaptive feeding system suitable for recirculating aquaculture mode |
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