CN105046232A - Image processing based system for searching fish body at bottom of ship - Google Patents
Image processing based system for searching fish body at bottom of ship Download PDFInfo
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- CN105046232A CN105046232A CN201510446681.9A CN201510446681A CN105046232A CN 105046232 A CN105046232 A CN 105046232A CN 201510446681 A CN201510446681 A CN 201510446681A CN 105046232 A CN105046232 A CN 105046232A
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- fish body
- fishing net
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- ship
- hull bottom
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/20—Scenes; Scene-specific elements in augmented reality scenes
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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
Abstract
The invention relates to an image processing based system for searching a fish body at the bottom of a ship. The system comprises a ship bottom fixing frame, a sharp processing device and a fish body identification device, wherein the sharp processing device and the fish body identification device are both positioned on the ship bottom fixing frame and used for performing sharp processing and fish body identification on an image under the bottom of the ship respectively to determine whether the fish body exists under the bottom of the ship. Through the system, the fish body at the bottom of the ship can be searched accurately.
Description
Technical field
The present invention relates to image processing field, particularly relate to a kind of bottom of ship fish body search system based on image procossing.
Background technology
Current fish body salvages mode too backwardness, fishing inefficiency, cannot realize large area, high-speed fish body is fished for, and efficiency is difficult to promote.
For this reason, the present invention proposes a kind of bottom of ship fish body search system based on image procossing, at bottom of ship, self-adaptation fish body marine salvage equipment and self-adaptation fish body identification equipment are installed, can in ship running process, automatically Quick Catch is carried out to fish body under water.
Summary of the invention
In order to solve the technical matters that prior art exists, the invention provides a kind of bottom of ship fish body search system based on image procossing, under the ship utilizing edge detecting technology, fish body location technology and self-adaptation fishing net fishery to realize in boats and ships advance process, fish body self-adaptation is fished for, and improves the efficiency that the shoal of fish under water catches.
According to an aspect of the present invention, provide a kind of bottom of ship fish body search system based on image procossing, described search system comprises hull bottom fixed mount, sharpening treatment facility and fish body identification equipment, described sharpening treatment facility and described fish body identification equipment are all positioned on described hull bottom fixed mount, for performing sharpening process and the identification of fish body respectively to the image immediately below hull bottom, to determine whether there is fish body immediately below hull bottom.
More specifically, described based in the bottom of ship fish body search system of image procossing, also comprise: fishing net container, be arranged on described hull bottom fixed mount, 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 described 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 fixed mount, 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 fixed mount, 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 fixed mount, 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 fixed mount, 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 fixed mount, reclaim driver with described electronic snap close and described fishing net to be connected respectively, be connected with ship control input equipment by cable, under the operation of boats and ships personnel, provide recovery complete signal, also for providing fishing end signal under the operation of boats and ships personnel for being fully retrieved at described fishing net after in described fishing net container, Galileo positioning equipment, is arranged on boats and ships, for receiving the Galileo locator data that Galilean satellite sends, 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, FLASH memory device, be arranged on boats and ships, black and white threshold value and threshold number of pixels are prestored, described black and white threshold value is used for performing binary conversion treatment to image, described FLASH memory device has also prestored gray processing fish shape masterplate, and described gray processing fish shape masterplate obtains for taking obtained fish volume image execution gray processing process to benchmark fish body, underwater photograph technical equipment, be positioned on described hull bottom fixed mount, comprise semisphere watertight transparent cover, floor light subset and CMOS camera, described semisphere watertight transparent cover is for holding described floor light subset and described CMOS camera, described floor light subset provides floor light for the underwater photograph technical of described CMOS camera, described CMOS camera to the shooting of hull bottom target to obtain the underwater picture comprising hull bottom target, ultrasonic ranging equipment, is arranged on described hull bottom fixed mount, for measuring the distance of described hull bottom fixed mount distance below fish body, and exports as fish body relative distance, described sharpening treatment facility is connected respectively with described CMOS camera, described ultrasonic ranging equipment and described floor light subset, to obtain described fish body relative distance and described floor light brightness, and to remove in described underwater picture because floor light subset irradiates the scattered light composition that target is alow formed based on described fish body relative distance and described floor light brightness, to obtain sharpening underwater picture, described fish body identification equipment is connected respectively with described sharpening treatment facility and described FLASH memory device, comprise Image semantic classification subset, binary conversion treatment subset, column border detection subset, row rim detection subset, Target Segmentation subset and target recognin equipment, described Image semantic classification subset is connected with described sharpening treatment facility, strengthen and wavelet filtering process to perform adaptive edge successively to described sharpening underwater picture, to obtain pretreated water hypograph, described binary conversion treatment subset is connected respectively with described Image semantic classification subset and described FLASH memory device, the brightness of each pixel of described pretreated water hypograph is compared respectively with described black and white threshold value, when the brightness of pixel is greater than described black and white threshold value, pixel is designated as white pixel, when the brightness of pixel is less than described black and white threshold value, pixel is designated as black picture element, thus obtains binaryzation underwater picture, described column border detects subset and is connected respectively with described binary conversion treatment subset and described FLASH memory device, for to described binaryzation underwater picture, calculate the number of often row black picture element, the row that the number of black picture element is more than or equal to described threshold number of pixels are designated as edge columns, described row rim detection subset is connected respectively with described binary conversion treatment subset and described FLASH memory device, for to described binaryzation underwater picture, calculate the number of often row black picture element, the row that the number of black picture element is more than or equal to described threshold number of pixels is designated as edge lines, described Target Segmentation subset and described column border detect subset and described row rim detection subset is connected respectively, region edge columns and edge lines interweaved as target domain of the existence, and is partitioned into described target domain of the existence to export as target subimage from described binaryzation underwater picture, described target recognin equipment is connected respectively with described Target Segmentation subset and described FLASH memory device, by described target subimage and described gray processing fish shape stencil matching, the match is successful, then export and there is fish body signal, and calculate fish body deviation angle under water according to the relative position of described target subimage in described binaryzation underwater picture, it fails to match, then export and there is not fish body signal, AT89C51 single-chip microcomputer, be arranged on ship control indoor, be connected with described fish body identification equipment by cable, be connected with described Galileo positioning equipment, when receive described there is fish body signal time, described sharpening underwater picture and described target subimage are carried out respectively compressed encoding to obtain compressed image and targeted compression image under water, also reclaim driver with described electronic snap close, described fishing net release actuator and described fishing net to be connected respectively, receive described there is fish body signal time, according to fish body relative distance and default 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, wireless communication interface, is connected with described AT89C51 single-chip microcomputer, for receive described there is fish body signal time, by described compressed image under water, described targeted compression image with describedly there is fish body signal and be sent to fishery platform waterborne by cordless communication network, display device, is connected with described AT89C51 single-chip microcomputer, for receive described there is fish body signal time, showing described sharpening underwater picture and described target subimage, also there is letter signal corresponding to fish body signal for showing with described, wherein, described AT89C51 single-chip microcomputer, when there is not fish body signal described in receiving, cuts out described wireless communication interface, receive described there is fish body signal time, open described wireless communication interface.
More specifically, described based in the bottom of ship fish body search system of image procossing: described wireless communication interface is arranged in Ship body, and described display device is arranged on ship control indoor.
More specifically, described based in the bottom of ship fish body search system of image procossing: the compression and coding standard that described AT89C51 single-chip microcomputer adopts is MPEG-4 compression and coding standard.
More specifically, described based in the bottom of ship fish body search system of image procossing: described display device is liquid crystal display.
More specifically, described based in the bottom of ship fish body search system of image procossing: described default fishing net weight is stored in advance in described FLASH memory device.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram of the bottom of ship fish body search system based on image procossing illustrated according to an embodiment of the present invention.
Reference numeral: 1 hull bottom fixed mount; 2 sharpening treatment facilities; 3 fish body identification equipments
Embodiment
Below with reference to accompanying drawings the embodiment of the bottom of ship fish body search system based on image procossing of the present invention is described in detail.
In prior art, owing to lacking self-adaptation fishing gear and self-adapting estimation equipment under water, thus under cannot realizing the ship in boats and ships advance process, fish body self-adaptation is fished for.
In order to overcome above-mentioned deficiency, the present invention has built a kind of bottom of ship fish body search system based on image procossing, solves the problem, and improves fishing efficiency.
Fig. 1 is the block diagram of the bottom of ship fish body search system based on image procossing illustrated according to an embodiment of the present invention, described search system comprises hull bottom fixed mount, sharpening treatment facility and fish body identification equipment, described sharpening treatment facility and described fish body identification equipment are all positioned on described hull bottom fixed mount, for performing sharpening process and the identification of fish body respectively to the image immediately below hull bottom, to determine whether there is fish body immediately below hull bottom.
Then, continue to be further detailed the concrete structure of the bottom of ship fish body search system based on image procossing of the present invention.
Described search system also comprises: fishing net container, be arranged on described hull bottom fixed mount, 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 described 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 search system also comprises: fishing net release actuator, is arranged on described hull bottom fixed mount, 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 search system also comprises: fishing net reclaims driver, is arranged on described hull bottom fixed mount, 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 search system also comprises: release motor, is arranged on described hull bottom fixed mount, 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 fixed mount, reclaim driver with described fishing net and be connected, provide power for described fishing net reclaims driver to the control that fishing net discharges.
Described search system also comprises: signal receiver waterborne, be arranged on described hull bottom fixed mount, reclaim driver with described electronic snap close and described fishing net to be connected respectively, be connected with ship control input equipment by cable, under the operation of boats and ships personnel, provide recovery complete signal, also for providing fishing end signal under the operation of boats and ships personnel for being fully retrieved at described fishing net after in described fishing net container.
Described search system also comprises: Galileo positioning equipment, is arranged on boats and ships, for receiving the Galileo locator data that Galilean satellite sends.
Described search system 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 search system also comprises: FLASH memory device, be arranged on boats and ships, black and white threshold value and threshold number of pixels are prestored, described black and white threshold value is used for performing binary conversion treatment to image, described FLASH memory device has also prestored gray processing fish shape masterplate, and described gray processing fish shape masterplate obtains for taking obtained fish volume image execution gray processing process to benchmark fish body; Underwater photograph technical equipment, be positioned on described hull bottom fixed mount, comprise semisphere watertight transparent cover, floor light subset and CMOS camera, described semisphere watertight transparent cover is for holding described floor light subset and described CMOS camera, described floor light subset provides floor light for the underwater photograph technical of described CMOS camera, described CMOS camera to the shooting of hull bottom target to obtain the underwater picture comprising hull bottom target.
Described search system also comprises: ultrasonic ranging equipment, is arranged on described hull bottom fixed mount, for measuring the distance of described hull bottom fixed mount distance below fish body, and exports as fish body relative distance.
Described sharpening treatment facility is connected respectively with described CMOS camera, described ultrasonic ranging equipment and described floor light subset, to obtain described fish body relative distance and described floor light brightness, and to remove in described underwater picture because floor light subset irradiates the scattered light composition that target is alow formed based on described fish body relative distance and described floor light brightness, to obtain sharpening underwater picture.
Described fish body identification equipment is connected respectively with described sharpening treatment facility and described FLASH memory device, comprise Image semantic classification subset, binary conversion treatment subset, column border detection subset, row rim detection subset, Target Segmentation subset and target recognin equipment, described Image semantic classification subset is connected with described sharpening treatment facility, strengthen and wavelet filtering process to perform adaptive edge successively to described sharpening underwater picture, to obtain pretreated water hypograph; Described binary conversion treatment subset is connected respectively with described Image semantic classification subset and described FLASH memory device, the brightness of each pixel of described pretreated water hypograph is compared respectively with described black and white threshold value, when the brightness of pixel is greater than described black and white threshold value, pixel is designated as white pixel, when the brightness of pixel is less than described black and white threshold value, pixel is designated as black picture element, thus obtains binaryzation underwater picture; Described column border detects subset and is connected respectively with described binary conversion treatment subset and described FLASH memory device, for to described binaryzation underwater picture, calculate the number of often row black picture element, the row that the number of black picture element is more than or equal to described threshold number of pixels are designated as edge columns; Described row rim detection subset is connected respectively with described binary conversion treatment subset and described FLASH memory device, for to described binaryzation underwater picture, calculate the number of often row black picture element, the row that the number of black picture element is more than or equal to described threshold number of pixels is designated as edge lines; Described Target Segmentation subset and described column border detect subset and described row rim detection subset is connected respectively, region edge columns and edge lines interweaved as target domain of the existence, and is partitioned into described target domain of the existence to export as target subimage from described binaryzation underwater picture; Described target recognin equipment is connected respectively with described Target Segmentation subset and described FLASH memory device, by described target subimage and described gray processing fish shape stencil matching, the match is successful, then export and there is fish body signal, and calculate fish body deviation angle under water according to the relative position of described target subimage in described binaryzation underwater picture, it fails to match, then export and there is not fish body signal.
Described search system also comprises: AT89C51 single-chip microcomputer, be arranged on ship control indoor, be connected with described fish body identification equipment by cable, be connected with described Galileo positioning equipment, when receive described there is fish body signal time, described sharpening underwater picture and described target subimage are carried out respectively compressed encoding to obtain compressed image and targeted compression image under water; Also reclaim driver with described electronic snap close, described fishing net release actuator and described fishing net to be connected respectively, receive described there is fish body signal time, according to fish body relative distance and default 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.
Described search system also comprises: wireless communication interface, be connected with described AT89C51 single-chip microcomputer, for receive described there is fish body signal time, by described compressed image under water, described targeted compression image with describedly there is fish body signal and be sent to fishery platform waterborne by cordless communication network.
Described search system also comprises: display device, be connected with described AT89C51 single-chip microcomputer, for receive described there is fish body signal time, showing described sharpening underwater picture and described target subimage, also there is letter signal corresponding to fish body signal for showing with described.
Wherein, described AT89C51 single-chip microcomputer, when there is not fish body signal described in receiving, cuts out described wireless communication interface, receive described there is fish body signal time, open described wireless communication interface.
Alternatively, described based in the bottom of ship fish body search system of image procossing: described wireless communication interface is arranged in Ship body, and described display device is arranged on ship control indoor; The compression and coding standard that described AT89C51 single-chip microcomputer adopts is MPEG-4 compression and coding standard; Described display device is liquid crystal display; Described default fishing net weight is stored in advance in described FLASH memory device.
In addition, cmos sensor also can be subdivided into passive type element sensor (PassivePixelSensorCMOS) and active pixel sensor (ActivePixelSensorCMOS).
Passive type element sensor (PassivePixelSensor is called for short PPS), be again passive type element sensor, he is made up of a back-biased photodiode and a switching tube.Photodiode is a PN junction be made up of P-type semiconductor and N-type semiconductor in essence, and he can be equivalent to a back-biased diode and a mos capacitance parallel connection.When switching tube is opened, photodiode is communicated with vertical alignment (Columnbus).The charge integration amplifier sensing circuit (Chargeintegratingamplifier) being positioned at alignment end keeps column line voltage to be a constant, when the signal charge of photodiode storage is read out, its voltage is reset to column line voltage level, meanwhile, the electric charge be directly proportional to light signal is converted to electric charge by charge integration amplifier and exports.
Active pixel sensor (ActivePixelSensor is called for short APS), is again active element sensor.Almost while the invention of CMOSPPS dot structure, people recognize very soon in pixel, to introduce the performance that impact damper or amplifier can improve pixel, have the amplifier of oneself in CMOSAPS in each pixel.The amplifier transistor being integrated in surface decreases the effective surface area of pixel element, reduces " packaging density ", the incident light of 40% ~ 50% is reflected.Another problem of this sensor is, how to make there is good coupling between the multichannel amplifier of sensor, and this can be realized preferably by the fixed pattern noise reducing residual level.Because each amplifier in CMOSAPS pixel is only excited, so the power dissipation ratio ccd image sensor of CMOSAPS is also little during this reads.
Adopt the bottom of ship fish body search system based on image procossing of the present invention, for the technical matters fishing inefficiency in prior art, self-adaptation marine salvage equipment and self-adapting estimation equipment is integrated with at bottom of ship, the automatic fish body completed in boats and ships advance process catches, thus improves fishing 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 (6)
1. the bottom of ship fish body search system based on image procossing, described search system comprises hull bottom fixed mount, sharpening treatment facility and fish body identification equipment, described sharpening treatment facility and described fish body identification equipment are all positioned on described hull bottom fixed mount, for performing sharpening process and the identification of fish body respectively to the image immediately below hull bottom, to determine whether there is fish body immediately below hull bottom.
2., as claimed in claim 1 based on the bottom of ship fish body search system of image procossing, it is characterized in that, described search system also comprises:
Fishing net container, be arranged on described hull bottom fixed mount, 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 described 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 fixed mount, 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 fixed mount, 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 fixed mount, 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 fixed mount, 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 fixed mount, reclaim driver with described electronic snap close and described fishing net to be connected respectively, be connected with ship control input equipment by cable, under the operation of boats and ships personnel, provide recovery complete signal, also for providing fishing end signal under the operation of boats and ships personnel for being fully retrieved at described fishing net after in described fishing net container;
Galileo positioning equipment, is arranged on boats and ships, for receiving the Galileo locator data that Galilean satellite sends;
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;
FLASH memory device, be arranged on boats and ships, black and white threshold value and threshold number of pixels are prestored, described black and white threshold value is used for performing binary conversion treatment to image, described FLASH memory device has also prestored gray processing fish shape masterplate, and described gray processing fish shape masterplate obtains for taking obtained fish volume image execution gray processing process to benchmark fish body;
Underwater photograph technical equipment, be positioned on described hull bottom fixed mount, comprise semisphere watertight transparent cover, floor light subset and CMOS camera, described semisphere watertight transparent cover is for holding described floor light subset and described CMOS camera, described floor light subset provides floor light for the underwater photograph technical of described CMOS camera, described CMOS camera to the shooting of hull bottom target to obtain the underwater picture comprising hull bottom target;
Ultrasonic ranging equipment, is arranged on described hull bottom fixed mount, for measuring the distance of described hull bottom fixed mount distance below fish body, and exports as fish body relative distance;
Described sharpening treatment facility is connected respectively with described CMOS camera, described ultrasonic ranging equipment and described floor light subset, to obtain described fish body relative distance and described floor light brightness, and to remove in described underwater picture because floor light subset irradiates the scattered light composition that target is alow formed based on described fish body relative distance and described floor light brightness, to obtain sharpening underwater picture;
Described fish body identification equipment is connected respectively with described sharpening treatment facility and described FLASH memory device, comprise Image semantic classification subset, binary conversion treatment subset, column border detection subset, row rim detection subset, Target Segmentation subset and target recognin equipment, described Image semantic classification subset is connected with described sharpening treatment facility, strengthen and wavelet filtering process to perform adaptive edge successively to described sharpening underwater picture, to obtain pretreated water hypograph; Described binary conversion treatment subset is connected respectively with described Image semantic classification subset and described FLASH memory device, the brightness of each pixel of described pretreated water hypograph is compared respectively with described black and white threshold value, when the brightness of pixel is greater than described black and white threshold value, pixel is designated as white pixel, when the brightness of pixel is less than described black and white threshold value, pixel is designated as black picture element, thus obtains binaryzation underwater picture; Described column border detects subset and is connected respectively with described binary conversion treatment subset and described FLASH memory device, for to described binaryzation underwater picture, calculate the number of often row black picture element, the row that the number of black picture element is more than or equal to described threshold number of pixels are designated as edge columns; Described row rim detection subset is connected respectively with described binary conversion treatment subset and described FLASH memory device, for to described binaryzation underwater picture, calculate the number of often row black picture element, the row that the number of black picture element is more than or equal to described threshold number of pixels is designated as edge lines; Described Target Segmentation subset and described column border detect subset and described row rim detection subset is connected respectively, region edge columns and edge lines interweaved as target domain of the existence, and is partitioned into described target domain of the existence to export as target subimage from described binaryzation underwater picture; Described target recognin equipment is connected respectively with described Target Segmentation subset and described FLASH memory device, by described target subimage and described gray processing fish shape stencil matching, the match is successful, then export and there is fish body signal, and calculate fish body deviation angle under water according to the relative position of described target subimage in described binaryzation underwater picture, it fails to match, then export and there is not fish body signal;
AT89C51 single-chip microcomputer, be arranged on ship control indoor, be connected with described fish body identification equipment by cable, be connected with described Galileo positioning equipment, when receive described there is fish body signal time, described sharpening underwater picture and described target subimage are carried out respectively compressed encoding to obtain compressed image and targeted compression image under water; Also reclaim driver with described electronic snap close, described fishing net release actuator and described fishing net to be connected respectively, receive described there is fish body signal time, according to fish body relative distance and default 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;
Wireless communication interface, is connected with described AT89C51 single-chip microcomputer, for receive described there is fish body signal time, by described compressed image under water, described targeted compression image with describedly there is fish body signal and be sent to fishery platform waterborne by cordless communication network;
Display device, is connected with described AT89C51 single-chip microcomputer, for receive described there is fish body signal time, showing described sharpening underwater picture and described target subimage, also there is letter signal corresponding to fish body signal for showing with described;
Wherein, described AT89C51 single-chip microcomputer, when there is not fish body signal described in receiving, cuts out described wireless communication interface, receive described there is fish body signal time, open described wireless communication interface.
3., as claimed in claim 2 based on the bottom of ship fish body search system of image procossing, it is characterized in that:
Described wireless communication interface is arranged in Ship body, and described display device is arranged on ship control indoor.
4., as claimed in claim 3 based on the bottom of ship fish body search system of image procossing, it is characterized in that:
The compression and coding standard that described AT89C51 single-chip microcomputer adopts is MPEG-4 compression and coding standard.
5., as claimed in claim 2 based on the bottom of ship fish body search system of image procossing, it is characterized in that:
Described display device is liquid crystal display.
6., as claimed in claim 2 based on the bottom of ship fish body search system of image procossing, it is characterized in that:
Described default fishing net weight is stored in advance in described FLASH memory device.
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| CN201510446681.9A CN105046232A (en) | 2015-07-25 | 2015-07-25 | Image processing based system for searching fish body at bottom of ship |
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