35 results about "Fish health" patented technology

The invention discloses a portable fish appearance and weight information acquisition method and system, and relates to the technical field of fish appearance and weight, and the method comprises the following steps: step 1, appearance measurement and analysis, step 2, weight acquisition and analysis, and step 3, data processing. The stages of all fishes in the aquaculture area are identified, the growth speed and change trend of the fishes in different growth stages are visually known, individuals or groups with abnormal growth can be found in time, culturists can know whether the growth space of the fishes is sufficient or not in time, the culture density can be adjusted in time, and the survival rate of the culturists is improved. According to the method, the fish health problem caused by too high density is avoided, whether the growth state of each fish is abnormal or not is judged, the survival environment index of each fish in an aquaculture area is evaluated, more suitable survival and growth conditions are created for the fishes, fish growth is promoted, and slow growth or death of the fishes caused by uncomfortable environment is avoided.

The invention discloses an intelligent fishery platform construction method and system based on federated learning, and belongs to the technical field of federated learning, and the method comprises the steps: building an intelligent fishery platform to obtain fish school multi-modal data, data preprocessing, feature extraction, feature fusion, local fish school health assessment model construction, federated learning training and real-time early warning. The invention provides an efficient, reliable and safe intelligent fishery platform management solution, the problems of data islands, privacy security, model limitation and dynamic adjustment difficulty existing in the existing intelligent fishery platform are solved, and the scientificity and practicability of fish school health management are remarkably improved.

The invention provides a fish culture state monitoring method based on multi-sensor data, and relates to the technical field of aquaculture. A radio frequency detection unit and a water quality sensor array which are synchronously driven by a unified clock source are used for collecting fish school state data and a culture environment data set corresponding to a culture net cage, so that synchronous acquisition of fish school dynamic and environment parameters is realized; performing feature-level and decision-level fusion processing on the fish school state data and the breeding environment data set through a multi-task learning model with a layered architecture, generating a fish school health state level and a growth trend prediction value, and improving the comprehensive evaluation accuracy; dynamic early warning analysis is carried out on the fish school health state grade and the growth trend prediction value, fish school health abnormity early warning data is generated, and potential health risks are captured in time; and finally, a visual monitoring interface is constructed by adopting the obtained data, so that the overall culture state can be intuitively mastered. Through multi-source collaborative perception and deep fusion analysis, the fish culture state monitoring effect is comprehensively optimized.

The invention relates to the technical field of fry and fingerling breeding, in particular to an anti-wind-wave marine ranch breeding device which comprises a base plate and a bottom plate, an anti-falling enclosure assembly is arranged above the base plate, a plurality of connecting columns are fixed to the bottom face of the base plate, a plurality of limiting frames are arranged below the base plate, the connecting columns penetrate through the limiting frames, and the connecting columns penetrate through the limiting frames. The bottom ends of the connecting columns are fixed to the top face of the bottom plate, a first netting is fixed between the base plate and the bottom plate, and a second netting is fixed between the bottom plate of the first netting and the base plate. The device has the advantages that the limiting frame is hollow and provided with the vent holes, bubbles are released to water through the air pump and the air delivery pipe, the dissolved oxygen concentration is increased, and healthy growth of fishes is promoted. A reserved cavity and a liquid dispersing hole are formed in the driving screw rod, and an antimicrobial agent or a nutritional agent is injected through pressurization of a liquid injection pipe, so that uniform spraying is realized, and manual operation errors are reduced.

The present invention relates to the field of computer vision technology, and specifically to a method for multi-object tracking of fish in the scenario of land-based industrialized recirculating aquaculture. First, the present invention obtains the fish movement video and light intensity of a land-based industrialized recirculating aquaculture farm. Secondly, video frames that meet preset conditions are selected from the fish movement video as reference frames. Then, based on the fish movement video and light intensity, video frame features are extracted, and a video frame adjustment coefficient is generated in combination with the reference frames. Then, an adaptive adjustment model for fish movement video frames is constructed according to the video frame adjustment coefficient to adaptively adjust the fish movement video frames to obtain a standard fish movement video. Then, a fish multi-object tracking model is constructed to perform multi-object tracking of fish on the standard fish movement video to obtain fish movement trajectories. Finally, according to the fish movement trajectories and the standard fish movement video, a fish health detection model is constructed to detect the health status of each fish in the standard fish movement video.

The invention relates to an underwater replenishment device and a deepwater net cage. The underwater replenishment device comprises a mounting platform, a replenishment pipeline and a driving mechanism. The mounting platform can be horizontally and movably arranged at the top of the deepwater net cage. The supply pipeline is a hard pipe, and the supply pipeline is arranged on the mounting platform in a lifting mode and is arranged in the vertical direction. A receiving port is formed in the top end of the supply pipeline, and the bottom end of the supply pipeline can downwards extend into the deepwater net cage and is provided with a spraying structure. The driving mechanism is arranged on the mounting platform, is in driving connection with the supply pipeline and is used for driving the supply pipeline to lift. The underwater supply device can achieve the purposes of feeding and air supply for fishes, so that healthy growth of the fishes is ensured, and the culture benefits of a deep and far sea culture platform are improved. And through the mounting platform and the driving mechanism, position adjustment of the supply pipeline in the horizontal direction and the vertical direction can be achieved, the supply range of the supply device is widened, and the applicability and practicability of the device are improved.

The invention discloses a fish health condition monitoring, early warning and regulating method, device and equipment based on fish sound signals, a medium and a product, and relates to the field of fish health monitoring, and the method comprises the steps: obtaining sound signals of healthy fishes under suitable / non-suitable living environment conditions, and constructing a first sound database and a second sound database; sound signals of sick fishes in different sick stages are obtained, and a third sound database is constructed; acquiring a sound signal of the target research fish school; determining the similarity between the sound signals of the target research fish school and the sound signals in the first sound database, the second sound database and the third sound database by adopting a similarity measurement method; and obtaining a health condition monitoring result of the target research fish school based on the similarity, and generating a regulation and control strategy based on the health condition monitoring result. According to the invention, high-efficiency and accurate fish early-stage pathology identification is realized in a low-visibility environment, so that the real-time performance and accuracy of fish health condition monitoring, early warning and regulation are improved.

This invention relates to a precise fish feeding method based on multimodal perception and uncertainty-weighted multi-task learning, comprising the following steps: acquiring pre-selected multi-source heterogeneous data as model input data; processing the model input data through pre-defined feature engineering to obtain a unified multimodal joint feature vector; processing the unified multimodal joint feature vector through an uncertainty-weighted multi-task model integrating a dual-attention mechanism and an adaptive loss balancing mechanism to obtain an optimized feeding decision; parsing the optimized feeding strategy to generate feeding control instructions, and implementing precise fish feeding based on the feeding control instructions. This invention employs an uncertainty-weighted multi-task model to address the difficulties of single data sets and multi-task balancing. Through dual-attention mechanism optimization, it improves decision accuracy and feed utilization, achieving high-efficiency aquaculture. This invention optimizes the sustainability of the aquaculture environment and promotes water quality and fish health.

The invention discloses a breeding device and method for feeding floating feed at a fixed point, and belongs to the technical field of fishery breeding equipment. The breeding device comprises a fixed-point feeding device formed by fixedly assembling a floating ring, a purse seine and a rolling belt, and the floating ring is evenly distributed and fixed to the outer side of the purse seine through a plurality of binding belts and used for feeding floating feed at a fixed point; and the length of the floating ring, the length of the purse net and the number of the ribbons are calculated according to the area of the aquaculture pond and then are fixedly assembled. The culture method comprises the steps that the fixed-point feeding position of a culture pond is determined, the fixed-point feeding device is distributed in the fixed-point feeding position, floating feed is fed into a floating ring of the fixed-point feeding device in a fixed-time and quantitative mode, and fixed-point feeding is completed. According to the breeding device for fixed-point feeding of the floating feed, the feeding position can be accurately controlled, fixed-point feeding of the floating feed is achieved, the utilization rate of the feed is increased, water pollution is reduced, and healthy growth of fishes is promoted.

The invention discloses an intelligent feeding management system for aquaculture, which relates to the technical field of aquaculture and comprises a data acquisition module, a data processing module, an analysis module and a management module. According to the method, influence factors of multiple aspects such as basic metabolism requirements, water quality and body weight can be comprehensively considered, accurate calculation of the feeding amount can be achieved, the feed utilization rate can be increased, waste can be reduced, water quality parameters are brought into feeding amount analysis, real-time monitoring and accurate regulation and control of the water quality condition can be achieved, and the method is suitable for large-scale popularization and application. According to the method, the water quality deterioration risk is reduced, a good growth environment is provided for fishes, the requirement difference of different weights of the fishes for feed can be considered, personalized and intelligent feeding strategies can be formulated, the growth requirements of the fishes are met, and healthy growth of the fishes is promoted.

The invention discloses a water quality monitoring device with a protection structure, and relates to the technical field of water quality monitoring, the water quality monitoring device comprises a buoy, the top of the buoy is provided with a through hole in a penetrating manner, the top of the buoy is fixedly provided with a solar panel, and the top of the buoy is provided with a hoisting mechanism above the through hole; the device comprises a hoisting mechanism, a steel cable is arranged outside the hoisting mechanism, the device further comprises a mounting frame which is fixedly mounted at one end, away from the hoisting mechanism, of the steel cable, a mounting plate is fixedly mounted at the bottom of the mounting frame, a filter screen cover is fixedly mounted at the bottom of the mounting plate, and a detection head is fixedly mounted at the position, located in the filter screen cover, of the bottom of the mounting plate; the monitoring depth can be controlled when the water quality is monitored, the buoy and the steel rope can be protected, the impact force of fishes can be reduced, the damage to the whole structure can be avoided, the damage to the health of the fishes due to the impact of the fishes can be avoided, and the practicability is improved.

The invention relates to the technical field of aquaculture, in particular to a Chinese sturgeon parent fish health assessment method based on blood data. Comprising the following steps: collecting blood of parent Chinese sturgeons to construct a biochemical index data set, and preprocessing; and selecting a machine learning model to construct a Chinese sturgeon parent fish health model, inputting the preprocessed biochemical index data set into the health model for training, and adopting cross validation to obtain an optimal Chinese sturgeon parent fish health prediction model. Health assessment of the Chinese sturgeon parent fish is achieved through the optimal Chinese sturgeon parent fish health model and the health score. Health modeling is carried out based on biochemical indexes of blood of parent Chinese sturgeons. The model system can predict the health state of the Chinese sturgeon parent fish and warn the health problem in time, thereby having important significance for improving the health level of the parent fish.

This utility model discloses a timed feeding device for ornamental fish tanks, belonging to the field of aquarium technology. The device includes a fish tank and a cover plate installed on the tank. A feeding drive is provided on the tank. It also includes a mounting platform detachably mounted on the cover plate. A storage box for holding fish food is fixedly installed on the mounting platform. Symmetrically sliding baffles for discharging food are mounted on the storage box. When the two sets of baffles abut each other, a first working area is formed; when the two sets of baffles separate, a second working area is formed. This utility model, through the cooperation of the two sets of baffles, can effectively cover the entire inner wall space of the storage box. After feeding, the two sets of baffles close, preventing moisture from entering the storage box. This avoids the feed from clumping and spoiling due to continuous moisture intrusion, reducing blockage of the feeding channel and ensuring water quality and fish health.

The embodiment of the invention provides a fish health prediction method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a water quality parameter of a target fish according to a water quality sensor, and determining behavior feature data of the target fish through an image collection device; a pre-constructed coupling health model is obtained, and the coupling health model at least comprises a water quality influence factor item and a behavior influence factor item; and determining a health score value corresponding to the water quality parameter and the behavior characteristic data according to the coupling health model. According to the embodiment of the invention, the problem that fish water quality monitoring and behavior monitoring are mutually independent can be solved, time sequence characteristics of water quality data are monitored, the stability of behavior health monitoring is improved, and the reliability of fish health detection in a real and complex environment is realized.

The utility model provides a monitoring device configured in an aquaculture net cage, and the device comprises a bearing support which is used for being placed in an aquaculture area enclosed by the aquaculture net cage; the floating body component is installed on the bearing support, the density of the floating body component is smaller than that of water so that first acting force can be applied to the bearing support, and the output direction of the first acting force is the water surface direction of the breeding area; the bearing support is connected with the breeding net cage through the at least three pulling components, the pulling components are arranged at intervals in the circumferential direction of the bearing support, and traction acting force is formed on the bearing support through the pulling components so that the bearing support can be limited to the target position of the breeding area; the monitoring assembly is configured on the bearing support and used for monitoring the underwater environment of the breeding area in real time; the technical problems that the monitoring position is difficult to position and the positioning deviation is large in the aquaculture net cage are solved, and the reliability and the accuracy of monitoring data are greatly improved. The method is of great significance to timely discover and process abnormal conditions which may affect fish health.

This invention relates to the field of water resource ecological environment protection technology, and in particular provides a method for fish health assessment. The method includes: acquiring target status monitoring data for at least one target fish species in at least one environmental data dimension; acquiring assessment coefficients for the health status of the at least one target fish species in each of the at least one environmental data dimension based on the target status monitoring data; determining the health status of the target fish species based on the assessment coefficients and obtaining an initial assessment result; obtaining a verification value for the health status of the target fish species; and obtaining a final assessment result for the target fish species based on the verification value. The purpose is to address the shortcomings of existing fish health assessment methods, such as insufficient research, cumbersome calculations, and certain limitations, and to achieve rapid assessment of fish health after exposure to environmental factors, providing valuable reference for ecological environment impact assessment and the formulation of fish protection measures.

The present invention relates to bacterial probiotics useful in aquaculture. Specifically, it discloses a selection of non-hemolytic, proteolytic, stress-tolerant bacterial strains with enhanced quorum- quenching capabilities. Moreover, the method allows detection of novel species of bacteria whose probiotic attributes could be massive for aquaculture. From the isolated bacteria, selected species were tested for their probiotic efficacy in Nile tilapia (Oreochromis niloticus), a key fish species in global finfish aquaculture. The species demonstrated significant efficacy in improving the health and growth performance of Nile tilapia juveniles. Specific growth rates and weight gain, and improved feed conversion ratios without adverse effects on fish health were observed. The gut microbiome was positively influenced by promoting beneficial bacteria while reducing harmful (opportunistic) species, leading to improved immune modulation. Survival rates were significantly boosted during a pathogenic challenge, and key immune genes were upregulated, indicating stronger local immune defenses. These findings show that the selected probiotic species offer substantial benefits for growth, feed efficiency, and disease resistance, emphasizing their potential for widespread application as probiotics in aquaculture.

The invention provides a deep and far sea net cage underwater fish disease detection system based on fusion of CLIP and YOLOv5. The deep and far sea net cage underwater fish disease detection system comprises an underwater end, water surface relay equipment and a land end, the underwater end is used for collecting fish disease images and transmitting the fish disease images to the water surface relay equipment; the water surface relay device transmits the fish disease image to a land end through a wireless communication network; and the land end performs fish disease detection on the fish disease image through an improved YOLOv5 target detection model which deeply fuses CLIP visual features, and generates a treatment suggestion according to a detection result. According to the invention, comprehensive detection and management of fish health conditions are realized by means of cooperative work of the land end, the underwater end and the water surface end.

The invention discloses a fish health state non-intrusive monitoring method and system, and relates to the technical field of image processing and pattern recognition, and the system comprises an image collection module which is used for obtaining continuous image sequence data of fishes in a culture water body, and carrying out the time marking and basic image standardization processing of the continuous image sequence data, timing image data is generated. According to the method, unified acquisition time information is introduced into a continuous image sequence, and cross-frame correlation analysis and maintenance identifier distribution are executed between adjacent time frames, so that continuous maintenance and track-level modeling of the same fish body in multiple time frames are realized; the problem of individual identity confusion caused by shielding and cross swimming in a multi-fish-body scene is effectively avoided, so that continuous and stable health state monitoring can be realized on the individual level, and continuous monitoring of the fish health state in a complex culture environment is realized on the premise of not contacting fish bodies and not introducing an intrusive sensor.

The present application belongs to the technical field of fish health breeding, and particularly relates to a method for increasing fish body probiotic genus by adding trace rare earth nanomaterials, which can significantly improve fish intestinal probiotic abundance by exposing fish to a nano cerium dioxide solution; the nano cerium dioxide solution is obtained by adding nano cerium dioxide particles to the water environment where the fish is located; the exposure time is at least 3 days; the nano cerium dioxide solution is replaced by 1 / 2 every two days; the present application can increase the abundance of probiotic genus in zebrafish intestinal tract and reduce the abundance of pathogenic bacteria genus by adding trace rare earth nanomaterials in the water environment, so as to improve the microbial community structure composition in the zebrafish intestinal tract. The method is simple, only needs to add nano cerium dioxide particles to the water environment, does not need to be mixed with feed, has simple components, low cost and convenient use, is suitable for large-scale popularization and use, and has wide market prospect.

The utility model relates to a sea lice removing barge which comprises a barge platform, a fish inlet system, a fish outlet system, a water body circulation system and a water body treatment system, wherein the fish inlet system, the fish outlet system, the water body circulation system and the water body treatment system are arranged on the barge platform. And the barge platform is also provided with a dipping tank. The fish feeding system is used for conveying fish in the culture net cage into the dipping pool for dipping, and the fish discharging system is used for conveying the fish subjected to dipping back to the culture net cage. The water circulating system comprises a circulating pump, a first filter and a heat exchanger, the circulating pump is used for pumping sea water into the dipping tank or circulating water in the dipping tank, and the first filter and the heat exchanger are respectively used for filtering and regulating temperature. The water body treatment system comprises an oxygen generator and an aeration device, and the oxygen generator is connected with the aeration device through a pipeline so as to provide oxygen into the dipping tank. By means of the barge, parasitic sea lice on fish bodies can be effectively removed, meanwhile, it is avoided that medicine is directly put into a culture net cage, pollution to the marine environment is greatly reduced, damage to the fish can be reduced, and fish health is guaranteed.

The invention provides a fish health discrimination method, system and device based on multi-modal feature fusion, and relates to the technical field of information processing. According to the invention, the online monitoring and intelligent discrimination of fish health are realized by collecting physiological, environmental, behavior, visual and blood glucose indexes, constructing a fusion and reference data set, respectively identifying abnormal parameters and calculating weight factors, obtaining the cumulant of health degree parameters, and outputting the fish health state through a pre-trained network.

The novel side filtering fish tank comprises a tank body, a partition plate is fixedly installed in the tank body, a first vertical plate is fixedly installed on the inner wall face of the right side of the tank body, the left side face of the first vertical plate is fixedly connected with the right side face of the partition plate, and a second vertical plate is fixedly installed on the rear middle face of the first vertical plate. A third vertical plate is fixedly installed on the right rear side of the second vertical plate, a filter cotton bracket is fixedly installed on the bottom face of the third vertical plate, a fourth vertical plate is fixedly installed on the front side face of the filter cotton bracket 6, and a water guide groove is fixedly installed on the top face of the fourth vertical plate. According to the novel side filtering fish tank, water can be filtered and circularly flows, the water quality is improved, the healthy living environment of fishes is guaranteed, meanwhile, equipment such as a heating rod and a sterilization lamp can be hidden, the attractiveness of the fish tank is improved, the problem that the fish tank is time-consuming and labor-consuming to clean is solved, and the practicability of the fish tank is improved.

The utility model relates to a portable nondestructive live fish detection device, including detection box, the left side of detection box is provided with bioelectrical impedance analyzer, the inner wall of detection box both sides is fixedly installed with the contraction gasbag, the opposite side of two contraction gasbags is fixedly installed with rubber board, the opposite side of two rubber boards is fixedly installed with air cushion. This portable nondestructive live fish detection device, the portable live fish detection device opens the top cover and puts in the live fish, and the fish will be between two air cushions, the inflation mechanism inflates the contraction gasbag and makes it swell, pushes the rubber board and air cushion close, clamps the fish, after clamping, multiple electrode pieces are pasted with the fish body outer skin, the bioelectrical impedance analyzer exerts multiple frequency band microcurrent on the fish body surface through the electrode piece, utilizes the conductivity difference of healthy and pathological tissue to detect impedance change, combines database comparison, can judge the fish health state nondestructively and quickly within three seconds, improves detection accuracy.

The invention belongs to the technical field of healthy culture of fishes, and particularly relates to a method for increasing the content of probiotics in fish bodies by adding trace rare earth nano-materials, the fish is exposed in a nano cerium dioxide solution, and the abundance of the probiotics in the intestinal tracts of the fish can be remarkably improved; the nano cerium dioxide solution is obtained by adding nano cerium dioxide particles into a water body in which the fish is located; the exposure time is at least 3 days; replacing 1 / 2 of the nano cerium dioxide solution every two days; the trace rare earth nano material is added into a water environment, so that the abundance of probiotics in intestinal tracts of zebra fish can be improved, and the abundance of pathogenic bacteria can be reduced; therefore, the microflora structure composition in the intestinal tract of the zebra fish is improved. The method is simple, only nano cerium dioxide particles need to be added into a water body environment, mixing with feed is not needed, and the method is simple in component, low in cost and convenient to use; the method is suitable for large-scale popularization and application.

The invention discloses a fish health state early warning method and system based on multi-modal change, and relates to the technical field of fishery breeding. The method comprises the following steps: acquiring a body surface parameter set, a motion parameter set and a water quality parameter set of a target fish, and performing preprocessing to obtain a real-time feature set; based on the variety information and the growth stage information of the target fish, loading a corresponding reference collaborative response model from a pre-established fish biological response knowledge base; performing confidence evaluation on the preprocessed body surface parameter set, motion parameter set and water quality parameter set to obtain a confidence evaluation result; the real-time feature set is input into the reference collaborative response model, deviation degrees are obtained, and the deviation degrees comprise the single-mode deviation degree and the multi-mode collaborative deviation degree; and according to the single-mode deviation degree and the multi-mode collaborative deviation degree, in combination with a confidence evaluation result, early warning of the fish health state is carried out. The accuracy of early warning of the fish health state is effectively improved.

The invention discloses an intelligent fish feeding device based on multi-modal data fusion, and relates to the technical field of aquaculture, the intelligent fish feeding device comprises a culture fishpond, fixing blocks are fixedly connected to the middle parts of four sides in the culture fishpond, and water quality sensors are fixedly connected to the bottoms of the four fixing blocks; sound sensors are fixedly connected to the middles of the left side and the right side of the upper end of the breeding fishpond, a supporting frame is fixedly connected to the middle of the breeding fishpond, at least three mounting plates are fixedly connected to the inner side of the upper portion of the supporting frame, panoramic cameras are fixedly mounted at the bottoms of the three mounting plates, and moving guide rails are fixedly connected to the front side and the rear side of the upper end of the breeding fishpond. A second moving assembly is arranged above the two moving guide rails, a first moving assembly is arranged on the front side of the breeding fishpond, and a feeding assembly is installed above the second moving assembly. The method has the advantages that based on multi-modal data fusion and an advanced algorithm, the feeding strategy can be dynamically adjusted according to the actual growth condition, feeding behavior and breeding environment of the fishes, and healthy growth of the fishes is guaranteed.

The invention discloses a fish feed containing traditional Chinese medicine components for preventing fish enteritis and a preparation method thereof.The fish feed comprises, by weight, 20-34 parts of garlic, Sanhuang powder, heat-clearing medicine and chrysanthemum, the fish feed has the advantages that the formula comprises the traditional Chinese medicine components of garlic, Sanhuang powder, heat-clearing medicine and chrysanthemum, fish enteritis is comprehensively prevented and immunity is enhanced through the effects of resisting bacteria, diminishing inflammation, clearing heat and tonifying the spleen, and the fish feed is safe and reliable. The intestinal flora regulating material, the bacillus licheniformis and the xylanase are added, so that the intestinal microecological balance is regulated, the reproduction of beneficial bacteria is promoted, the growth of harmful bacteria is inhibited, and the enteritis occurrence risk is reduced; by adding animal protein raw materials and plant protein raw materials, high-quality protein is provided, fish growth requirements are met, mineral materials and vitamin sources are added, mineral substances and vitamins needed by fish growth are supplemented, skeletal development is promoted, immunity is improved, and the fish feed is suitable for fish growth. The marine algae polysaccharide and the carrot juice are added to provide a natural antioxidant and a nutrition enhancer, so that the fish health is promoted.

The invention belongs to the technical field of fish disease health state automatic grading, discloses a fish health state comprehensive diagnosis method, and aims to solve the problems of low diagnosis efficiency, high subjectivity and single-dimensional judgment in the prior art. The method comprises the following steps: firstly, acquiring a fish body surface canker image data set containing different health grades; then, an improved MS-DeepLabV3 + model is used for segmenting the fish body and the fester region, the area proportion is calculated, the model takes MobileNetV2 as a backbone network, and a SimAM module is embedded to enhance the feature response of the small-size fester region; then, a SwinTransform model is used for extracting multi-dimensional features, and four types of ulceration degree grades are obtained; and finally, fusing the area proportion and the ulceration degree through a random forest model, and outputting four types of health state grades. According to the invention, two-dimensional features are fused, a lightweight architecture is adopted, accuracy and deployment convenience are considered, and an intelligent disease grading scheme is provided for aquaculture.

The utility model relates to the technical field of fish culture water tanks, and discloses a circulating water flow fish culture water tank which comprises a water tank body, a first water tank is formed in one side of the upper portion of the water tank body, and a second water tank is formed in the position, on one side of the first water tank, of the upper portion of the water tank body. The water tank body is provided with a first communicating groove in one side of the interior of the first water tank, one side of the first communicating groove is communicated with a second water tank, a third water tank is formed in one side of the second water tank above the water tank body, and the water tank body is provided with a second communicating groove in one side of the interior of the second water tank. According to the circulating type water flow fish culture water tank, the bottoms of the first water tank, the second water tank, the third water tank and the fourth water tank can be cleaned through the arranged transmission shaft, the sanitary environment is improved, fish health is protected, impurities in water are conveniently collected through the arranged impurity removal bin, and the water pump is protected.