CN105095875A - Method for detecting fishes under ship based on image filtering - Google Patents
Method for detecting fishes under ship based on image filtering Download PDFInfo
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- CN105095875A CN105095875A CN201510469097.5A CN201510469097A CN105095875A CN 105095875 A CN105095875 A CN 105095875A CN 201510469097 A CN201510469097 A CN 201510469097A CN 105095875 A CN105095875 A CN 105095875A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/86—Combinations of sonar systems with lidar systems; Combinations of sonar systems with systems not using wave reflection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/96—Sonar systems specially adapted for specific applications for locating fish
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
- G06F2218/02—Preprocessing
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Abstract
The invention relates to a method for detecting fishes under a ship based on image filtering. The method comprises that 1) an under-ship fish detection platform based on image filtering is provided, the detection platform comprises a ship bottom installation platform, a laser imaging device and a fish detector, the laser imaging device and the fish detector are both positioned on the fish bottom installation platform, the laser imaging device carries out laser shooting on a position below the ship bottom to obtain an underwater laser image, and the fish detector is connected with the laser imaging to carry out fish existence detection on the underwater laser image; and 2) the detection platform is operated. Thus, automatic oriented fishing can be carried out in the ship travelling process, and the working efficiency of the ship is improved.
Description
Technical field
The present invention relates to image filtering field, particularly relate to a kind of based on fish body detecting method under the ship of image filtering.
Background technology
In prior art, boats and ships fishing pattern is only limited to aboard ship by observation and the operation of fishing personnel, carries out fixed point catch fixing marine site, and this mode is owing to fixing fishing position, and fishing result is not high.
For this reason, the present invention proposes and a kind ofly alow mounting platform is installed the fishing utility appliance of a series of applicable underwater fishing based on fish body detection platform under the ship of image filtering, realize the ship lower area fishing in boats and ships advance process, increase the overlay area of fishing, improve the cost performance of fishing.
Summary of the invention
In order to solve the technical matters that prior art exists, the invention provides a kind of based on fish body detection platform under the ship of image filtering, sonar and sonar image processing equipment is utilized to realize the accurate control of underwater laser images, utilization comprises Daubechies wavelet filtering subset, medium filtering subset, change of scale enhancer equipment, the Underwater Targets Recognition equipment of Target Segmentation subset and target recognin equipment completes the accurate identification of fish body target under water, and be aided with Underwater Navigation equipment and self-adaptation marine salvage equipment, fish under making to carry out accurate ship in boats and ships traveling process and become possibility.
According to an aspect of the present invention, provide a kind of based on fish body detecting method under the ship of image filtering, the method comprises: 1) provide a kind of based on fish body detection platform under the ship of image filtering, described detection platform comprises hull bottom mounting platform, laser imaging apparatus and fish health check-up measurement equipment, described laser imaging apparatus and described fish health check-up measurement equipment are all positioned on described hull bottom mounting platform, described laser imaging apparatus is used for carrying out laser shooting immediately below hull bottom to obtain underwater laser image, described fish health check-up measurement equipment is connected with described laser imaging apparatus, fish body is carried out to described underwater laser image and there is detection, 2) described detection platform is run.
More specifically, described based on the ship of image filtering under in fish body detection platform, also comprise: fishing net weight measuring equipment, be arranged in fishing net container, for detecting and exporting fishing net weight, fishing net container, be arranged on described hull bottom mounting platform, for holding fishing net under non-fishing state, described fishing net container comprises electronic snap close, relay and opening, when described electric lock is buckled in and receives fishing enabling signal, opens described opening, when described electric lock is buckled in and receives recovery complete signal, close described opening, described relay is connected respectively with electronic snap close and power-supply unit, for powering for described electronic snap close and controlling opening operation and the shutoff operation of described electronic snap close, fishing net release actuator, is arranged on described hull bottom mounting platform, is connected with described fishing net, for controlling the release of described fishing net according to described fishing net release dynamics and described fishing net release angle, fishing net reclaims driver, is arranged on described hull bottom mounting platform, is connected with described fishing net, for when receiving fishing end signal, controls described fishing net to be recovered to by described fishing net in described fishing net container, release motor, is arranged on described hull bottom mounting platform, is connected with described fishing net release actuator, for described fishing net release actuator provides power to the control that fishing net discharges, reclaim motor, be arranged on described hull bottom mounting platform, reclaim driver with described fishing net and be connected, provide power for described fishing net reclaims driver to the control that fishing net discharges, signal receiver waterborne, be arranged on described hull bottom mounting platform, reclaim driver with described electronic snap close and described fishing net to be connected respectively, be connected with search and rescue platform waterborne by cable, for be fully retrieved to personnel on the water after in described fishing net container at described fishing net operation under provide and reclaim complete signal, also for providing fishing end signal under the operation of personnel on the water, GPS positioning equipment, is arranged on boats and ships, for receiving the GPS locator data that gps satellite sends, portable hard drive, be arranged on described hull bottom mounting platform, the luminance threshold upper limit and luminance threshold lower limit are prestored, also for having prestored fish body tonal range and all kinds of fish body benchmark masterplate, described fish body tonal range is used for the fish body in image and background separation, and described all kinds of fish body benchmark masterplate is for taking each obtained image in advance to all kinds of benchmark fish body, sonar, is arranged on described hull bottom mounting platform, for performing sonar image collection, to obtain sonar image to submarine target, sonar image treatment facility, be arranged on described hull bottom mounting platform, be connected respectively with described sonar and described portable hard drive, comprise the first detection subset, second and detect subset and object range detection subset, described first detects subset is connected respectively with described sonar and described portable hard drive, travels through sonar image to be partitioned into core objective region for adopting the luminance threshold upper limit, described second detection subset detects subset with described first and described portable hard drive is connected respectively, for using the marginal point in described core objective region as Seed Points, luminance threshold lower limit is utilized to carry out brightness judgement to the pixel of core objective areas adjacent, to obtain and to be partitioned into final goal region, described object range detection subset and described second detects subset and is connected, and the central point calculating final goal region detects the distance of initial point to sonar image and exports as target range, laser imaging apparatus, be arranged on described hull bottom mounting platform, comprise laser instrument, detector and microcontroller, described laser instrument gives off laser beam to submarine target, with when described laser beam is reflexed to described detector by submarine target, be convenient to the shooting of described detector, described microcontroller and described sonar image treatment facility, described laser instrument is connected respectively with described detector, based target Distance geometry laser under water velocity of propagation determines the gating time of described detector shutter, and when gating time arrives, the shutter of detector described in gating, trigger described detector to take submarine target, to obtain underwater laser image, fish health check-up measurement equipment comprises Daubechies wavelet filtering subset, medium filtering subset, change of scale enhancer equipment, Target Segmentation subset and target recognin equipment, described Daubechies wavelet filtering subset is connected with described detector, for adopting the wavelet filtering process based on 2 rank Daubechies wavelet basiss to described underwater laser image, with the Gaussian noise in underwater laser image described in filtering, obtain wavelet filtering image, described medium filtering subset is connected with described Daubechies wavelet filtering subset, for performing medium filtering process to described wavelet filtering image, with the water particle scattering composition in wavelet filtering image described in filtering, obtains medium filtering image, described change of scale enhancer equipment is connected with described medium filtering subset, strengthening process, to strengthen the contrast of object and background in image, obtaining and strengthening image for performing change of scale to described medium filtering image, described Target Segmentation subset and described change of scale enhancer equipment connection, by all pixel groups adult fish body subimages of grey scale pixel value in described enhancing image in described fish body tonal range, described target recognin equipment is connected with described Target Segmentation subset, described fish body subimage is mated one by one with all kinds of fish body benchmark masterplate, fish body type corresponding to output matching successful fish body benchmark masterplate as target fish body type, and calculates fish body deviation angle under water based on the relative position of described fish body subimage in described underwater laser image, power-supply unit, be arranged on boats and ships, comprise solar powered device, accumulator, change-over switch and electric pressure converter, described change-over switch is connected respectively with described solar powered device and described accumulator, dump energy according to accumulator determines whether be switched to described solar powered device to be powered by described solar powered device, described electric pressure converter is connected with described change-over switch, with the 5V voltage transitions will inputted by change-over switch for 3.3V voltage, AT89C51 single-chip microcomputer, be arranged on ship control indoor, be connected with described fish health check-up measurement equipment by cable, also be connected respectively with described GPS positioning equipment and described laser imaging apparatus, when receiving described target fish body type, described underwater laser image and described fish body subimage are carried out respectively compressed encoding to obtain compressed image and targeted compression image under water, described AT89C51 single-chip microcomputer also reclaims driver with described fishing net weight measuring equipment, described electronic snap close, described fishing net release actuator and described fishing net and is connected respectively, when receiving described target fish body type, according to target range and fishing net weight determination fishing net release dynamics, according to the fishing net of fish body deviation angle determination under water release angle, and send described fishing enabling signal to described electric lock garnishment.
More specifically, described based on the ship of image filtering under in fish body detection platform, described detection platform also comprises: mobile communication interface, be connected with described AT89C51 single-chip microcomputer, for when receiving described target fish body type, described GPS locator data, described compressed image under water, described targeted compression image and described target fish body type are sent to search and rescue platform waterborne by cordless communication network.
More specifically, described based on the ship of image filtering under in fish body detection platform, described detection platform also comprises: LCDs, be arranged in the panel board of boats and ships, be connected with described AT89C51 single-chip microcomputer, for when receiving described target fish body type, show described underwater laser image and described fish body subimage, also for showing the letter signal corresponding with described target fish body type.
More specifically, described based on the ship of image filtering under in fish body detection platform: described AT89C51 single-chip microcomputer is not when receiving described target fish body type, closing described mobile communication interface, when receiving described target fish body type, opening described mobile communication interface.
More specifically, described based on the ship of image filtering under in fish body detection platform: described laser imaging apparatus and described fish health check-up measurement equipment are integrated on one piece of surface-mounted integrated circuit.
More specifically, described based on the ship of image filtering under in fish body detection platform: the compression and coding standard that described AT89C51 single-chip microcomputer adopts is MPEG-4 compression and coding standard.
More specifically, described based on the ship of image filtering under in fish body detection platform: described mobile communication interface is arranged on ship housing, is the one in GPRS communication interface, 3G communication interface and 4G communication interface.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram based on fish body detection platform under the ship of image filtering illustrated according to an embodiment of the present invention.
Reference numeral: 1 hull bottom mounting platform; 2 laser imaging apparatus; 3 fish health check-up measurement equipments
Embodiment
Be described in detail based on the embodiment of fish body detection platform under the ship of image filtering to of the present invention below with reference to accompanying drawings.
In ship running process, carry out that fish body under ship salvages is use the effective means that boats and ships gait of march improves boats and ships fishing area, but before some gordian techniquies are unresolved, this mode still cannot extensively be implemented.
In order to overcome above-mentioned deficiency, the present invention builds a kind of based on fish body detection platform under the ship of image filtering, multiplely can adapt to underwater environment, realizing the equipment that fish body self-adaptation under water salvages, making the above-mentioned mode of fishing become possibility by adding under ship.
Fig. 1 is the block diagram based on fish body detection platform under the ship of image filtering illustrated according to an embodiment of the present invention, described detection platform comprises hull bottom mounting platform, laser imaging apparatus and fish health check-up measurement equipment, described laser imaging apparatus and described fish health check-up measurement equipment are all positioned on described hull bottom mounting platform, described laser imaging apparatus is used for carrying out laser shooting immediately below hull bottom to obtain underwater laser image, described fish health check-up measurement equipment is connected with described laser imaging apparatus, carries out fish body there is detection to described underwater laser image.
Then, continue to be further detailed based on the concrete structure of fish body detection platform under the ship of image filtering of the present invention.
Described detection platform also comprises: fishing net weight measuring equipment, is arranged in fishing net container, for detecting and exporting fishing net weight.
Described detection platform also comprises: fishing net container, be arranged on described hull bottom mounting platform, for holding fishing net under non-fishing state, described fishing net container comprises electronic snap close, relay and opening, when described electric lock is buckled in and receives fishing enabling signal, open described opening, when described electric lock is buckled in and receives recovery complete signal, close described opening, described relay is connected respectively with electronic snap close and power-supply unit, for powering for described electronic snap close and controlling opening operation and the shutoff operation of described electronic snap close.
Described detection platform also comprises: fishing net release actuator, is arranged on described hull bottom mounting platform, is connected with described fishing net, for controlling the release of described fishing net according to described fishing net release dynamics and described fishing net release angle.
Described detection platform also comprises: fishing net reclaims driver, is arranged on described hull bottom mounting platform, is connected with described fishing net, for when receiving fishing end signal, controls described fishing net to be recovered in described fishing net container by described fishing net.
Described detection platform also comprises: release motor, is arranged on described hull bottom mounting platform, is connected with described fishing net release actuator, for described fishing net release actuator provides power to the control that fishing net discharges.
Described detection platform also comprises: reclaim motor, be arranged on described hull bottom mounting platform, reclaim driver be connected with described fishing net, provides power for described fishing net reclaims driver to the control that fishing net discharges.
Described detection platform also comprises: signal receiver waterborne, be arranged on described hull bottom mounting platform, reclaim driver with described electronic snap close and described fishing net to be connected respectively, be connected with search and rescue platform waterborne by cable, for be fully retrieved to personnel on the water after in described fishing net container at described fishing net operation under provide and reclaim complete signal, also for providing fishing end signal under the operation of personnel on the water.
Described detection platform also comprises: GPS positioning equipment, is arranged on boats and ships, for receiving the GPS locator data that gps satellite sends.
Described detection platform also comprises: portable hard drive, be arranged on described hull bottom mounting platform, the luminance threshold upper limit and luminance threshold lower limit are prestored, also for having prestored fish body tonal range and all kinds of fish body benchmark masterplate, described fish body tonal range is used for the fish body in image and background separation, and described all kinds of fish body benchmark masterplate is for taking each obtained image in advance to all kinds of benchmark fish body.
Described detection platform also comprises: sonar, is arranged on described hull bottom mounting platform, for performing sonar image collection, to obtain sonar image to submarine target.
Described detection platform also comprises: sonar image treatment facility, be arranged on described hull bottom mounting platform, be connected respectively with described sonar and described portable hard drive, comprise the first detection subset, second and detect subset and object range detection subset, described first detects subset is connected respectively with described sonar and described portable hard drive, travels through sonar image to be partitioned into core objective region for adopting the luminance threshold upper limit; Described second detection subset detects subset with described first and described portable hard drive is connected respectively, for using the marginal point in described core objective region as Seed Points, luminance threshold lower limit is utilized to carry out brightness judgement to the pixel of core objective areas adjacent, to obtain and to be partitioned into final goal region; Described object range detection subset and described second detects subset and is connected, and the central point calculating final goal region detects the distance of initial point to sonar image and exports as target range.
Described laser imaging apparatus, be arranged on described hull bottom mounting platform, comprise laser instrument, detector and microcontroller, described laser instrument gives off laser beam to submarine target, with when described laser beam is reflexed to described detector by submarine target, be convenient to the shooting of described detector, described microcontroller and described sonar image treatment facility, described laser instrument is connected respectively with described detector, based target Distance geometry laser under water velocity of propagation determines the gating time of described detector shutter, and when gating time arrives, the shutter of detector described in gating, trigger described detector to take submarine target, to obtain underwater laser image.
Described fish health check-up measurement equipment comprises Daubechies wavelet filtering subset, medium filtering subset, change of scale enhancer equipment, Target Segmentation subset and target recognin equipment; Described Daubechies wavelet filtering subset is connected with described detector, for adopting the wavelet filtering process based on 2 rank Daubechies wavelet basiss to described underwater laser image, with the Gaussian noise in underwater laser image described in filtering, obtain wavelet filtering image; Described medium filtering subset is connected with described Daubechies wavelet filtering subset, for performing medium filtering process to described wavelet filtering image, with the water particle scattering composition in wavelet filtering image described in filtering, obtains medium filtering image; Described change of scale enhancer equipment is connected with described medium filtering subset, strengthening process, to strengthen the contrast of object and background in image, obtaining and strengthening image for performing change of scale to described medium filtering image; Described Target Segmentation subset and described change of scale enhancer equipment connection, by all pixel groups adult fish body subimages of grey scale pixel value in described enhancing image in described fish body tonal range; Described target recognin equipment is connected with described Target Segmentation subset, described fish body subimage is mated one by one with all kinds of fish body benchmark masterplate, fish body type corresponding to output matching successful fish body benchmark masterplate as target fish body type, and calculates fish body deviation angle under water based on the relative position of described fish body subimage in described underwater laser image.
Described detection platform also comprises: power-supply unit, be arranged on boats and ships, comprise solar powered device, accumulator, change-over switch and electric pressure converter, described change-over switch is connected respectively with described solar powered device and described accumulator, dump energy according to accumulator determines whether be switched to described solar powered device to be powered by described solar powered device, described electric pressure converter is connected with described change-over switch, with the 5V voltage transitions will inputted by change-over switch for 3.3V voltage.
Described detection platform also comprises: AT89C51 single-chip microcomputer, be arranged on ship control indoor, be connected with described fish health check-up measurement equipment by cable, also be connected respectively with described GPS positioning equipment and described laser imaging apparatus, when receiving described target fish body type, described underwater laser image and described fish body subimage are carried out respectively compressed encoding to obtain compressed image and targeted compression image under water.
Described AT89C51 single-chip microcomputer also reclaims driver with described fishing net weight measuring equipment, described electronic snap close, described fishing net release actuator and described fishing net and is connected respectively, when receiving described target fish body type, according to target range and fishing net weight determination fishing net release dynamics; According to the fishing net of fish body deviation angle determination under water release angle, and send described fishing enabling signal to described electric lock garnishment.
Alternatively, described based on the ship of image filtering under in fish body detection platform, described detection platform also comprises: mobile communication interface, be connected with described AT89C51 single-chip microcomputer, for when receiving described target fish body type, described GPS locator data, described compressed image under water, described targeted compression image and described target fish body type are sent to search and rescue platform waterborne by cordless communication network; And also comprise: LCDs, be arranged in the panel board of boats and ships, be connected with described AT89C51 single-chip microcomputer, for when receiving described target fish body type, show described underwater laser image and described fish body subimage, also for showing the letter signal corresponding with described target fish body type; Described AT89C51 single-chip microcomputer, when not receiving described target fish body type, cuts out described mobile communication interface, when receiving described target fish body type, opens described mobile communication interface; Described laser imaging apparatus and described fish health check-up measurement equipment are integrated on one piece of surface-mounted integrated circuit; The compression and coding standard that described AT89C51 single-chip microcomputer adopts is MPEG-4 compression and coding standard; Described mobile communication interface is arranged on ship housing, is the one in GPRS communication interface, 3G communication interface and 4G communication interface.
Adopt of the present invention based on fish body detection platform under the ship of image filtering, for salvaging the technical matters be difficult to carry out under ship in prior art, by transforming existing Underwater Navigation equipment, underwater salvage equipment, Underwater Targets Recognition equipment and technique of laser imaging, the said equipment is made to be applied to underwater environment, the accuracy of salvaging under improving ship and work efficiency.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (8)
1., based on a fish body detecting method under the ship of image filtering, the method comprises:
1) provide a kind of based on fish body detection platform under the ship of image filtering, described detection platform comprises hull bottom mounting platform, laser imaging apparatus and fish health check-up measurement equipment, described laser imaging apparatus and described fish health check-up measurement equipment are all positioned on described hull bottom mounting platform, described laser imaging apparatus is used for carrying out laser shooting immediately below hull bottom to obtain underwater laser image, described fish health check-up measurement equipment is connected with described laser imaging apparatus, carries out fish body there is detection to described underwater laser image;
2) described detection platform is run.
2. the method for claim 1, is characterized in that, described detection platform also comprises:
Fishing net weight measuring equipment, is arranged in fishing net container, for detecting and exporting fishing net weight;
Fishing net container, be arranged on described hull bottom mounting platform, for holding fishing net under non-fishing state, described fishing net container comprises electronic snap close, relay and opening, when described electric lock is buckled in and receives fishing enabling signal, opens described opening, when described electric lock is buckled in and receives recovery complete signal, close described opening, described relay is connected respectively with electronic snap close and power-supply unit, for powering for described electronic snap close and controlling opening operation and the shutoff operation of described electronic snap close;
Fishing net release actuator, is arranged on described hull bottom mounting platform, is connected with described fishing net, for controlling the release of described fishing net according to described fishing net release dynamics and described fishing net release angle;
Fishing net reclaims driver, is arranged on described hull bottom mounting platform, is connected with described fishing net, for when receiving fishing end signal, controls described fishing net to be recovered to by described fishing net in described fishing net container;
Release motor, is arranged on described hull bottom mounting platform, is connected with described fishing net release actuator, for described fishing net release actuator provides power to the control that fishing net discharges;
Reclaim motor, be arranged on described hull bottom mounting platform, reclaim driver with described fishing net and be connected, provide power for described fishing net reclaims driver to the control that fishing net discharges;
Signal receiver waterborne, be arranged on described hull bottom mounting platform, reclaim driver with described electronic snap close and described fishing net to be connected respectively, be connected with search and rescue platform waterborne by cable, for be fully retrieved to personnel on the water after in described fishing net container at described fishing net operation under provide and reclaim complete signal, also for providing fishing end signal under the operation of personnel on the water;
GPS positioning equipment, is arranged on boats and ships, for receiving the GPS locator data that gps satellite sends;
Portable hard drive, be arranged on described hull bottom mounting platform, the luminance threshold upper limit and luminance threshold lower limit are prestored, also for having prestored fish body tonal range and all kinds of fish body benchmark masterplate, described fish body tonal range is used for the fish body in image and background separation, and described all kinds of fish body benchmark masterplate is for taking each obtained image in advance to all kinds of benchmark fish body;
Sonar, is arranged on described hull bottom mounting platform, for performing sonar image collection, to obtain sonar image to submarine target;
Sonar image treatment facility, be arranged on described hull bottom mounting platform, be connected respectively with described sonar and described portable hard drive, comprise the first detection subset, second and detect subset and object range detection subset, described first detects subset is connected respectively with described sonar and described portable hard drive, travels through sonar image to be partitioned into core objective region for adopting the luminance threshold upper limit; Described second detection subset detects subset with described first and described portable hard drive is connected respectively, for using the marginal point in described core objective region as Seed Points, luminance threshold lower limit is utilized to carry out brightness judgement to the pixel of core objective areas adjacent, to obtain and to be partitioned into final goal region; Described object range detection subset and described second detects subset and is connected, and the central point calculating final goal region detects the distance of initial point to sonar image and exports as target range;
Laser imaging apparatus, be arranged on described hull bottom mounting platform, comprise laser instrument, detector and microcontroller, described laser instrument gives off laser beam to submarine target, with when described laser beam is reflexed to described detector by submarine target, be convenient to the shooting of described detector, described microcontroller and described sonar image treatment facility, described laser instrument is connected respectively with described detector, based target Distance geometry laser under water velocity of propagation determines the gating time of described detector shutter, and when gating time arrives, the shutter of detector described in gating, trigger described detector to take submarine target, to obtain underwater laser image,
Fish health check-up measurement equipment comprises Daubechies wavelet filtering subset, medium filtering subset, change of scale enhancer equipment, Target Segmentation subset and target recognin equipment; Described Daubechies wavelet filtering subset is connected with described detector, for adopting the wavelet filtering process based on 2 rank Daubechies wavelet basiss to described underwater laser image, with the Gaussian noise in underwater laser image described in filtering, obtain wavelet filtering image; Described medium filtering subset is connected with described Daubechies wavelet filtering subset, for performing medium filtering process to described wavelet filtering image, with the water particle scattering composition in wavelet filtering image described in filtering, obtains medium filtering image; Described change of scale enhancer equipment is connected with described medium filtering subset, strengthening process, to strengthen the contrast of object and background in image, obtaining and strengthening image for performing change of scale to described medium filtering image; Described Target Segmentation subset and described change of scale enhancer equipment connection, by all pixel groups adult fish body subimages of grey scale pixel value in described enhancing image in described fish body tonal range; Described target recognin equipment is connected with described Target Segmentation subset, described fish body subimage is mated one by one with all kinds of fish body benchmark masterplate, fish body type corresponding to output matching successful fish body benchmark masterplate as target fish body type, and calculates fish body deviation angle under water based on the relative position of described fish body subimage in described underwater laser image;
Power-supply unit, be arranged on boats and ships, comprise solar powered device, accumulator, change-over switch and electric pressure converter, described change-over switch is connected respectively with described solar powered device and described accumulator, dump energy according to accumulator determines whether be switched to described solar powered device to be powered by described solar powered device, described electric pressure converter is connected with described change-over switch, with the 5V voltage transitions will inputted by change-over switch for 3.3V voltage;
AT89C51 single-chip microcomputer, be arranged on ship control indoor, be connected with described fish health check-up measurement equipment by cable, also be connected respectively with described GPS positioning equipment and described laser imaging apparatus, when receiving described target fish body type, described underwater laser image and described fish body subimage are carried out respectively compressed encoding to obtain compressed image and targeted compression image under water; Described AT89C51 single-chip microcomputer also reclaims driver with described fishing net weight measuring equipment, described electronic snap close, described fishing net release actuator and described fishing net and is connected respectively, when receiving described target fish body type, according to target range and fishing net weight determination fishing net release dynamics; According to the fishing net of fish body deviation angle determination under water release angle, and send described fishing enabling signal to described electric lock garnishment.
3. method as claimed in claim 2, it is characterized in that, described detection platform also comprises:
Mobile communication interface, be connected with described AT89C51 single-chip microcomputer, for when receiving described target fish body type, described GPS locator data, described compressed image under water, described targeted compression image and described target fish body type are sent to search and rescue platform waterborne by cordless communication network.
4. method as claimed in claim 2, it is characterized in that, described detection platform also comprises:
LCDs, be arranged in the panel board of boats and ships, be connected with described AT89C51 single-chip microcomputer, for when receiving described target fish body type, show described underwater laser image and described fish body subimage, also for showing the letter signal corresponding with described target fish body type.
5. method as claimed in claim 2, is characterized in that:
Described AT89C51 single-chip microcomputer, when not receiving described target fish body type, cuts out described mobile communication interface, when receiving described target fish body type, opens described mobile communication interface.
6. method as claimed in claim 2, is characterized in that:
Described laser imaging apparatus and described fish health check-up measurement equipment are integrated on one piece of surface-mounted integrated circuit.
7. method as claimed in claim 2, is characterized in that:
The compression and coding standard that described AT89C51 single-chip microcomputer adopts is MPEG-4 compression and coding standard.
8. method as claimed in claim 2, is characterized in that:
Described mobile communication interface is arranged on ship housing, is the one in GPRS communication interface, 3G communication interface and 4G communication interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510469097.5A CN105095875A (en) | 2015-08-04 | 2015-08-04 | Method for detecting fishes under ship based on image filtering |
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| CN201510469097.5A CN105095875A (en) | 2015-08-04 | 2015-08-04 | Method for detecting fishes under ship based on image filtering |
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|---|---|
| CN (1) | CN105095875A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017140096A1 (en) * | 2016-02-18 | 2017-08-24 | 北京臻迪科技股份有限公司 | Unmanned ship and system |
| US10661867B2 (en) | 2016-02-18 | 2020-05-26 | Powervision Tech Inc. | Underwater drone with capacity of fishing, rapidly moving and wireless remote control |
| US10803816B2 (en) | 2017-10-10 | 2020-10-13 | HKC Corporation Limited | Display driving method, device and apparatus |
| CN113869149A (en) * | 2021-09-13 | 2021-12-31 | 泰州蝶金软件有限公司 | Big data application node service system |
-
2015
- 2015-08-04 CN CN201510469097.5A patent/CN105095875A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017140096A1 (en) * | 2016-02-18 | 2017-08-24 | 北京臻迪科技股份有限公司 | Unmanned ship and system |
| US10661867B2 (en) | 2016-02-18 | 2020-05-26 | Powervision Tech Inc. | Underwater drone with capacity of fishing, rapidly moving and wireless remote control |
| US11008081B2 (en) | 2016-02-18 | 2021-05-18 | Powervision Tech Inc. | Underwater drone with capacity of fishing, rapidly moving and wireless remote control |
| US10803816B2 (en) | 2017-10-10 | 2020-10-13 | HKC Corporation Limited | Display driving method, device and apparatus |
| CN113869149A (en) * | 2021-09-13 | 2021-12-31 | 泰州蝶金软件有限公司 | Big data application node service system |
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Application publication date: 20151125 |