CN111147771A - Mining imaging device, equipment and method - Google Patents
Mining imaging device, equipment and method Download PDFInfo
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- CN111147771A CN111147771A CN201911399255.9A CN201911399255A CN111147771A CN 111147771 A CN111147771 A CN 111147771A CN 201911399255 A CN201911399255 A CN 201911399255A CN 111147771 A CN111147771 A CN 111147771A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/265—Mixing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/64—Computer-aided capture of images, e.g. transfer from script file into camera, check of taken image quality, advice or proposal for image composition or decision on when to take image
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
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Abstract
The invention provides a mining imaging device, which comprises an imaging module and a light supplementing lamp, wherein the imaging module is used for imaging a mine; the imaging module comprises a shell with a cavity, at least one characteristic spectrum camera, a processor and a power supply; the characteristic spectrum camera is arranged on the shell, the processor is arranged in the shell, the characteristic spectrum camera is connected with the processor, and the characteristic spectrum camera, the light supplementing lamp and the processor are electrically connected with the power supply; the characteristic spectrum camera comprises a characteristic film-coated lens and a characteristic spectrum photosensitive CCD, and the characteristic film-coated lens is positioned on the front side of the characteristic spectrum photosensitive CCD. And a mining imaging device and method using the imaging device. The invention has the beneficial effects that: the image synthesis is carried out through the setting parameters of the characteristic spectrum camera and the light supplement lamp, and the problem of poor imaging effect in the specific coal mine imaging process is solved.
Description
Technical Field
The invention relates to an imaging device and method, in particular to a mining imaging device, equipment and method.
Background
The existing underground common imaging equipment comprises a video monitoring system, an explosion-proof camera, a mine imager, a mine law enforcement instrument, a mine patrol instrument, a geological recording instrument, a drilling peeping instrument and the like, and the existing equipment has respective limitations and defects when in-situ imaging. The method mainly comprises the steps that a special light supplementing device is not used for shooting, and clear imaging cannot be carried out on special scenes such as a head-on scene and a stope scene by a single-camera scheme. The existing consumer electronics products have realized technologies such as combined imaging for a plurality of cameras in a conventional scene in cooperation with a flash lamp, imaging for the skin color of a black person, and the like, such as a voice-transmitting mobile phone for creating a skin-beautifying mode for the skin color of an african black person. However, because the coal mine contains substances with explosion limits such as gas and dust, all electrical devices in the coal mine need to meet the explosion-proof requirement, and consumer mobile phones, cameras, flash lamps and other video recording products are not allowed to be used in the coal mine through explosion-proof certification.
The existing camera instrument suitable for the mine is also available, such as the application number: 201220398037.0, discloses a mining flame proof and intrinsically safe spherical camera, and the camera is a single camera, needs to be installed at a fixed position and needs to be powered by a special power supply, has no light supplementing device, and is mainly used for being fixedly installed at a place with special lighting equipment in an underground main roadway to carry out video monitoring.
The existing mining explosion-proof camera is large in size, mass and power consumption, needs professional photographers and special light supplement lamps, is carried and prepared on site by 2-3 persons, has requirements on site position and use space, has more and narrow equipment space in a head-on and extraction area, cannot be conveniently unfolded, and cannot be popularized and used on a large scale due to high price of the explosion-proof camera and high shooting technical requirements.
The existing other mining imaging equipment usually adopts a single-camera scheme, and although the single-camera scheme is convenient to carry, the real scene of the scene cannot be clearly shot due to low surface reflectivity of coal blocks with dark light at positions such as a head-on position, a mining area and the like. If the mining patrol inspection instrument effectively shoots about 1m in distance when no light supplement lamp device exists, the full view of the imaging of objects with slightly large underground area cannot be seen, and the underground fault and lithology change can be judged clearly only by the full view.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: how to solve down-hole imaging equipment and adopt the clear problem of forming images of visible light camera and visible light filling lamp can not satisfy the real scene in the mine.
The invention solves the technical problems through the following technical means:
a mining imaging device comprises an imaging module and a light supplement lamp used for providing infrared light and visible light for the imaging module;
the imaging module comprises a shell with a cavity, at least one characteristic spectrum camera, a processor and a power supply; the characteristic spectrum camera, the zooming camera, the light supplementing lamp and the processor are electrically connected with the power supply;
the characteristic spectrum camera comprises a characteristic film-coated lens and a characteristic spectrum photosensitive CCD, and the characteristic film-coated lens is positioned on the front side of the characteristic spectrum photosensitive CCD.
According to the invention, a characteristic spectrum camera selectively receives light according to a characteristic film coating lens, and reflected light of an object irradiated by a light supplementing lamp is imaged within a given exposure time; the light supplementing lamp can supplement light by combining a specific spectrum light source and a visible light source to meet the shooting requirement aiming at the problems of low surface reflectivity of the coal briquette, low signal-to-noise ratio of imaging stripes of the coal briquette and more invalid phase points in a dark environment; effective imaging within 5 meters can be realized.
The invention has small volume and is easy to carry.
The device comprises a shell, a characteristic spectrum camera and at least one zooming camera, and is characterized by further comprising at least one zooming camera, wherein the zooming camera is installed on the shell and is installed on the same side with the characteristic spectrum camera, the zooming camera is connected with a processor, and the zooming camera is connected with a power supply.
The zooming camera images a target body within a given exposure time according to reflected light of the object irradiated by the light supplementing lamp, so that long-distance imaging can be realized, zooming can be realized according to the shooting distance, full-view clear imaging can be realized, a processor can synthesize pictures obtained by the characteristic spectrum camera and the zooming camera to form a high-definition picture, and the problem of poor imaging effect in the shooting process of a specific coal mine is solved; the infrared imaging and the visible light zooming are combined to form an image, so that the shooting distance is increased, the underground shooting quality is improved, faults and geologic body abnormity can be clearly distinguished, misjudgment caused by personal experience problems is reduced, the probability of accidents in a coal mine is reduced, and the method has great practical significance.
Preferably, still include the display screen that is used for showing the image, the display screen is installed on the casing, and the display screen is connected with the treater, display screen and power electrical connection.
Preferably, still include the support, the light filling lamp passes through the support and installs on imaging module.
Preferably, the support is a Z-shaped support, the support is provided with a connecting hole, the light supplementing lamp is connected with one end of the support through a bolt, and the imaging module is connected with the other end of the support through a bolt.
Preferably, the casing includes first casing and second casing, and first casing can be dismantled be connected with the second casing, and display screen and button components are installed on first casing, and the characteristic spectrum camera is installed at the second casing with high definition zoom camera, has the power storehouse that holds the power in the second casing.
Preferably, the light supplement lamp is connected with the imaging module through the communication module. Can all realize through modes such as bluetooth module, cable junction, wireless WIFI connection.
Preferably, the zoom camera is a high-definition zoom camera, the characteristic spectrum photosensitive CCD is a low-illumination infrared spectrum photosensitive CCD, and the characteristic film-coated lens is a near-infrared film-coated lens.
Preferably, the light supplement lamp comprises a plurality of adjustable infrared light LED lamp beads and a plurality of adjustable visible light LED lamp beads, and the infrared light LED lamp beads and the visible light LED lamp beads are alternately arranged in a matrix.
Preferably, the characteristic spectrum camera and the zoom camera are arranged in parallel.
The invention also provides mining imaging equipment which comprises the mining imaging device.
The invention discloses a method for adopting the mining imaging device, which comprises the following steps:
s1: respectively turning on an imaging module and a light supplement lamp;
s2: arranging a light supplement lamp;
s3: after the light supplement lamp is arranged, clicking a shooting key of an imaging module to shoot and record a target body, and simultaneously, working the light supplement lamp;
s4: the imaging module obtains an image shot by the characteristic spectrum camera and an image shot by the zooming camera;
s5: and the image shot by the characteristic spectrum camera and the image shot by the zoom camera are synthesized to finally form a high-definition picture for presentation.
Preferably, the step S2 of setting the light supplement lamp includes the specific steps of: pre-shooting through an imaging module to obtain the optimal parameters of the light supplement lamp;
and S3, after the light supplement lamp is set, clicking a shooting key of the imaging module to shoot and record the target, simultaneously working the light supplement lamp, and dimming and supplementing the light of the light supplement lamp according to the optimal light supplement lamp parameter information in the S2.
Preferably, the specific step of obtaining the optimal parameter of the fill-in light by the fill-in light comprises:
s21: the light supplement lamp is connected with the imaging module through the communication module, the light supplement lamp is provided with at least N groups of different light supplement parameters in advance, a light source of the light supplement lamp is turned on, a pre-shooting key of the imaging module is clicked to shoot a target body, the imaging module respectively shoots the target body in advance through the characteristic spectrum camera and the zooming camera, and N is an integer;
s22: the imaging module obtains N pictures shot by the characteristic spectrum camera and N pictures shot by the zooming camera, a user selects the clearest one of the N pictures shot by the characteristic spectrum camera and clicks to confirm, and selects the clearest one of the N pictures shot by the zooming camera and clicks to confirm, and the light filling lamp parameters of the two selected pictures are the optimal light filling lamp parameters.
Preferably, the specific step of obtaining the optimal parameter of the fill-in light by the fill-in light comprises:
s21: the method comprises the following steps of connecting a light supplement lamp with an imaging module through a communication module, wherein the light supplement lamp is provided with at least N groups of different light supplement parameters in advance, turning on a light source of the light supplement lamp, clicking a pre-shooting key of the imaging module to shoot a target body, and the imaging module pre-shoots the target body through a characteristic spectrum camera and a zooming camera respectively, wherein N is an integer;
s22: the imaging module automatically judges the imaging quality of each picture, and obtains the optimal imaging parameters and the optimal light supplement lamp parameters through calculation.
The invention has the advantages that:
(1) according to the invention, a characteristic spectrum camera selectively receives light according to a characteristic film coating lens, and reflected light of an object irradiated by a light supplementing lamp is imaged within a given exposure time; the light supplementing lamp can supplement light by combining a specific spectrum light source and a visible light source to meet the shooting requirement aiming at the problems of low surface reflectivity of the coal briquette, low signal-to-noise ratio of imaging stripes of the coal briquette and more invalid phase points in a dark environment; effective imaging within 5 meters can be realized.
(2) According to the invention, the zoom camera images the target body within a given exposure time according to the reflected light of the object irradiated by the light supplementing lamp, so that remote full-view imaging can be realized; the processor can synthesize the pictures obtained by the characteristic spectrum camera and the zoom camera to form a high-definition picture, so that the problem of poor imaging effect in the shooting and recording process of a specific coal mine is solved; the infrared imaging and the visible light zooming are combined to form an image, so that the shooting distance is increased, the underground shooting quality is improved, faults and geologic body abnormity can be clearly distinguished, misjudgment caused by personal experience problems is reduced, the probability of accidents in a coal mine is reduced, and the method has great practical significance.
(3) The device has small volume and convenient carrying, and is suitable for being used in a coal mine field;
(4) the invention can form the mining imaging equipment with the imaging device, and greatly expands the application direction. Such as a mining imager, a mining law enforcement instrument, a mining patrol instrument, a geological logging instrument, a drilling peeping instrument and the like;
(5) the method of the invention is simple to operate, and provides favorable technical guarantee for obtaining the picture and video data of the scene at the first time.
Drawings
FIG. 1 is a schematic view of the structure of an image forming apparatus according to an embodiment of the present invention;
FIG. 2 is an exploded schematic view of an imaging device;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a rear view of FIG. 1;
fig. 5 is a side view of fig. 1.
Reference numbers in the figures: the system comprises an imaging module 1, a shell 11, a first shell 111, a second shell 112, a characteristic spectrum camera 12, a high-definition zoom camera 13, a power supply 14, a processor 15, a display screen 16,
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, a mining imaging device includes an imaging module 1, and a fill-in light 2 for providing infrared light and visible light to the imaging module 1;
the light supplement lamp 2 of the embodiment is arranged on the imaging module 1 through the bracket 3; under the condition that does not have support 3, also can directly hand fill light 2 or adopt the fixed fill light 2 of other modes.
As shown in fig. 2, the imaging module 1 includes a housing 11 having a cavity, a characteristic spectrum camera 12, a zoom camera 13, a power supply 14, a processor 15, and a display screen 16; the zoom camera in the embodiment is a high-definition zoom camera 13, the characteristic spectrum camera 12 and the high-definition zoom camera 13 are both mounted on one side surface of the shell 11, the display screen 16 is mounted on the other side surface of the shell 11, the processor 15 and the power supply 14 are mounted inside the shell 11, the characteristic spectrum camera 12, the high-definition zoom camera 13, the display screen 16 and the light supplement lamp 2 are all connected with the processor 15, and the characteristic spectrum camera 12, the high-definition zoom camera 13, the display screen 16, the light supplement lamp 2 and the processor 15 are all electrically connected with the power supply 14;
the light supplement lamp 2 is connected with the imaging module 1 through the communication module. Can all realize through modes such as bluetooth module, cable junction, wireless WIFI connection.
The characteristic spectrum camera 12 includes a characteristic coated lens 121 and a characteristic spectrum photosensitive CCD122, and the characteristic coated lens is located on the front side of the characteristic spectrum photosensitive CCD. The high-definition zoom camera 13 is used for color imaging of an object under visible light, the characteristic spectrum camera 12 is used for gray scale imaging of the object under characteristic spectrum, and the infrared light and visible light fill-in lamp 2 is used for emitting visible light and infrared light.
In this embodiment, the characteristic spectrum camera 12 and the zoom camera 13 are both one, and more or more cameras can be added as required.
Specifically, the characteristic spectrum photosensitive CCD122 is used for photosensitive imaging of an object in a specific spectrum range, in this embodiment, the characteristic spectrum photosensitive CCD122 is a low-illumination infrared spectrum photosensitive CCD, the illumination intensity is 0.01lux, and the maximum pixel is 2000 × 1121. A ccd (charge coupled device) is a charge coupled device image sensor.
The characteristic coated lens 121 is used for filtering out clutter light with wavelengths other than the characteristic spectrum to ensure that light with specific wavelengths can smoothly transmit through, and common characteristic coated lenses include an ultraviolet coated lens, an infrared coated lens, a band-pass coated lens, a visible coated lens and the like.
The high-definition zoom camera 13 is used for automatic zooming, photosensitive and imaging of an object within a certain distance range within a visible light range, in this embodiment, the high-definition zoom camera 13 is a 1300-thousand camera, and pixels are 3296 × 2460.
The power supply 14 is a battery, and the battery is used for supplying power for normal work of the processor 15, the characteristic spectrum photosensitive CCD122, the high-definition zoom camera 13, the touch screen, the liquid crystal display screen and the like; the common lithium polymer battery, lithium iron phosphate battery, lithium iron manganese battery and the like exist, and due to the special environment of a coal mine, the battery in the embodiment selects a 3.7V/5AH lithium manganese battery and is arranged inside the shell 11, and an external power supply can be used as required.
The processor 15 is used for image acquisition and identification processing of the characteristic spectrum photosensitive CCD and the high-definition zoom camera 13, touch and liquid crystal screen control and display, light supplement lamp communication and the like, and common processors such as a single chip microcomputer, a DSP, an FPGA and the like can be realized; the processor in the embodiment is RK3399, comprises dual-core Cortex-A72 and quad-core Cortex-A53, supports double cameras, runs an android 7.1 operating system, and supports wireless WIFI and Bluetooth 4.0 communication.
The display screen 16 is used for displaying and using a shot picture, in the embodiment, a liquid crystal display screen with a touch function is adopted, 7 inches, 8 inches and 10.1 inches are common, in the embodiment, a 7-inch capacitive touch liquid crystal screen is adopted, and the resolution is 1280 x 800.
The light supplement lamp 2 is used for emitting infrared spectrum and visible light spectrum, and can adjust luminous intensity, luminous time and the like; the light supplement lamps are commonly near red and blue light supplement lamps, infrared and green light supplement lamps, infrared and visible light supplement lamps, and the intensities are 1000lux, 2000lux, 5000lux and the like. In this embodiment, light filling lamp 2 includes 60 infrared light LED lamp pearls, 60 visible light LED lamp pearls, and infrared light LED lamp pearl and visible light LED lamp pearl are arranged in turn, and the size is 12 rectangle of 10, and its luminous intensity and luminous time can be adjusted as required.
As shown in fig. 2, the housing 11 includes a first housing 111 and a second housing 112, the first housing 111 and the second housing 112 are detachably connected, the display screen 16 is mounted on the first housing 111, the characteristic spectrum camera 12 and the high-definition zoom camera 13 are mounted on the second housing 112 and are on the same horizontal line, and a power supply compartment for accommodating the power supply 14 is provided in the second housing 112. The portable and field-use shell is convenient to carry, and common shell materials comprise stainless steel, aluminum alloy, high-molecular non-metallic materials and the like. The polymer and stainless steel combined material in this example is due to the specific environment of the coal mine.
Specifically, threaded holes may be formed in the first housing 111 and the second housing 112 and connected by bolts, or a clamping groove may be formed in the first housing 111 and a buckle may be formed in the second housing 112, and the two housings may be clamped together or detachably connected; the shell 11 is of a detachable structure, so that the assembly is convenient;
the display screen 16 and the button assembly are installed on the first shell 111, the display screen 16 is a touch liquid crystal display screen, the button assembly can be a switch button, a pre-shooting key, a parameter adjusting button and the like, and the button assembly can be selected from the prior art or set according to requirements; the characteristic spectrum camera 12 and the high-definition zoom camera 13 are mounted on the second housing 112, and the second housing 112 has a power supply bin 112 for accommodating the power supply 14, in this embodiment, the power supply 14 is a battery, and may be a rechargeable battery, which is suitable for mining and is convenient to carry.
Example two:
as shown in fig. 2 and 5, the embodiment is different from the first embodiment in that the bracket 3 is a Z-shaped bracket, the bracket 3 has a connecting hole, the fill-in light 2 is connected to one end of the bracket 3 by a bolt or a screw, and the imaging module 1 is connected to the other end of the bracket 3 by a bolt or a screw.
In this embodiment, the fill light 2 is installed below the imaging module 1. Therefore, the light supplement lamp 2 is detachably connected with the imaging module 1, and replacement is facilitated. In addition, other detachable mounting means can be used.
Example three:
an imaging method using the imaging device for the first and second middlings according to the above embodiment includes the steps of:
s1: the imaging module 1 and the light supplement lamp 2 are fixed through a support 3, the imaging module 1 and the light supplement lamp 2 are respectively turned on, the processor 15 is provided with a Bluetooth module capable of being matched with the light supplement lamp 2, and the light supplement lamp 2 is wirelessly connected with the imaging module 1;
s2: the imaging module 1 obtains the optimal light supplement lamp parameters, and the imaging module 1 sends the obtained optimal light supplement lamp parameters to the light supplement lamp 2;
the specific steps of the imaging module for obtaining the optimal light supplement lamp parameters comprise:
s21: the light supplement lamp 2 is provided with at least 3 groups of different light supplement parameters in advance, a light source of the light supplement lamp is turned on, a pre-shooting key of the imaging module 1 is clicked to shoot the target body, and the imaging module 1 respectively shoots the target body in advance through the characteristic spectrum camera 12 and the high-definition zoom camera 13;
in this embodiment, the fill-in light 2 has three groups of preset different spectral luminances, and the infrared light intensity and the visible light intensity are respectively 800lux, 1200lux, and 1600 lux; three groups of the light supplement lamp 2 are preset with different exposure times which are respectively 300ms, 700ms and 1000 ms; and other parameters may be set as desired.
S22: the imaging module 1 obtains 3 pictures shot by the characteristic spectrum camera 12 and 3 pictures shot by the zoom camera 13, a user selects the clearest one from the 3 pictures shot by the characteristic spectrum camera and clicks to confirm, and selects the clearest one from the 3 pictures shot by the zoom camera and clicks to confirm, and the light filling lamp parameters of the two selected pictures are the optimal light filling lamp parameters; the optimal parameter information of the fill-in light comprises focal length, brightness, color temperature, gray scale, exposure time and the like.
The step obtains better parameter information in the environment, and is convenient for later shooting or video recording.
S3: after the light supplement lamp 2 is set according to the optimal parameters, a shooting key of the imaging module 1 is clicked to shoot a target body (a shooting mode or a shooting mode), meanwhile, the imaging module 1 sends a shooting starting signal to the light supplement lamp 2, and the optimal parameter information of the light supplement lamp 2 is adjusted in light and supplemented with light;
s4: the imaging module 1 extracts the parameters according to the settings, and the infrared image captured by the characteristic spectrum camera 12 and the visible light color image captured by the high-definition zoom camera 13 are synthesized to finally form a high-definition picture to be displayed on the display screen 16. The image synthesis can be performed in the manner of the prior art.
Example four:
the difference between this embodiment and the third embodiment is that: the approaches for determining the optimal fill-in light parameters of the fill-in light are different, and this embodiment is that the processor in the imaging module automatically obtains the optimal fill-in light parameters:
the method comprises the following specific steps:
s21: connecting a light supplement lamp with an imaging module, wherein the light supplement lamp is provided with 3 groups of different light supplement parameters in advance, turning on a light source of the light supplement lamp, clicking a pre-shooting key of the imaging module to shoot a target body, and the imaging module respectively pre-shoots the target body through a characteristic spectrum camera and a zoom camera;
s22: the imaging module automatically judges the imaging quality of each picture, and obtains optimal imaging parameters and light supplement lamp parameters through calculation.
Example five:
the difference between this embodiment and the third embodiment is that: the method for determining the optimal parameters of the light supplement lamp is different;
the experienced user can manually set parameters of the light supplement lamp according to the field conditions.
Therefore, there are three ways to determine the optimal parameters of the fill-in light:
① automatically setting parameters, wherein the imaging module shoots by itself before shooting is started and calculates to obtain the optimal parameters, the calculation method can adopt the method in the prior art, ② manually selects the optimal light supplement parameters with good effect according to the pre-shot pictures, such as the method in the third embodiment, ③ users with abundant experience can manually set the parameters of the light supplement lamp according to the field conditions;
in addition, it should be noted that:
1. a photographing mode: the characteristic spectrum camera 12 and the zoom camera 13 shoot according to the parameters of the light supplement lamp 2, and respectively store the shot pictures, and the pictures can be automatically synthesized on site or synthesized by using special software at the later stage;
2. the image pickup mode is: the characteristic spectrum camera 12 and the zoom camera 13 shoot and record according to the light supplement lamp 2, and store shot and recorded videos respectively, and the videos can be automatically synthesized on site or synthesized by special software at a later stage.
According to the invention, 3 groups of light supplement lamps with different spectrum brightness are preset, and the characteristic spectrum photosensitive CCD122 selectively receives reflected light of an object irradiated by the light supplement lamp 2 according to the characteristic coating lens 121 and images the object within a given exposure time; the high-definition zooming camera 13 sets an optimal focal length, images a target body within a given exposure time according to reflected light of the object irradiated by the light supplement lamp 2, the processor 15 displays 3 groups of images acquired by the two cameras on the liquid crystal screen, and a user respectively selects optimal pictures of the two cameras according to picture definition, and the processor forms a high-definition picture according to combined imaging and presents the high-definition picture in the liquid crystal screen; the problem of poor imaging effect in the shooting and recording process of a specific coal mine is solved; the light supplementing lamp 2 can supplement light by adopting light sources with different spectrums and brightness aiming at the problems of low reflectivity of the surface of the coal briquette, low signal-to-noise ratio of imaging stripes of the coal briquette and many invalid phase points in the dark environment so as to meet the shooting requirement.
Example six:
the invention also provides mine imaging equipment for realizing the clear imaging function by adopting the imaging device of the first embodiment or the second embodiment.
The embodiment is a mine geological recorder adopting the imaging device; the mine geological logging instrument mainly comprises a mine imaging device, a processor, a distance measuring sensor, a power supply, two pairs of point line laser modules, an electronic compass and a laser distance measuring module, wherein the two pairs of point line laser modules, the distance measuring sensor and the electronic compass are all connected with the processor, and the two pairs of point line laser modules, the distance measuring sensor and the electronic compass are all connected with the power supply electrically. The processor and the power supply in the mine geological recorder can be specially arranged, can also be shared by the mine imaging device, and can also be shared by other modules, so that the mine imaging device replaces a camera or a camera part in the existing mine geological recorder. The mine geological recorder can clearly shoot roadway faults and geologic bodies and measure the tendency, inclination angle, occurrence, roadway width and the like of the faults.
The main working steps comprise:
s1: the processor controls the imaging device to supplement light for the target shooting object by manually setting parameters of the light supplement lamp 2;
s2: the high-definition zoom camera 13 and the characteristic spectrum camera 12 respectively record image information of the shot rock stratum and carry out secondary synthesis;
s3: the processor measures information such as the trend, the inclination angle, the inclination and the like of the rock stratum through the electronic compass, the two pairs of point line laser modules and the ranging sensor;
s4: the processor carries out algorithm fusion on the attitude information and the shot and synthesized picture, and can accurately present the field test picture on the mining area picture;
the details are not described herein, and those skilled in the art can select the means of the prior art to implement the method according to the needs.
In addition, the mine imaging device can be used for replacing a camera or a camera part in the existing mine imager, mine law enforcement instrument, mine patrol instrument and the like to realize clear imaging; specifically, the mining imaging device is connected with a processor in the existing equipment and is electrically connected with a power supply, the processor and the power supply of the equipment can be a specially arranged processor and a specially arranged power supply, and can also be a processor and a power supply shared with the mining imaging device, so that the mining imaging device replaces a camera or a camera part in the existing equipment, and the part which is not described in detail is the conventional technology in the field.
Imaging devices can also be added to other mining equipment to provide a clear imaging function; specifically, the mining imaging device is connected with a processor in the existing equipment and is electrically connected with a power supply, the processor and the power supply of the equipment can be a specially arranged processor and a specially arranged power supply, and can also be a processor and a power supply shared with the mining imaging device, so that an imaging function is added to the equipment, and the part which is not described in detail is the conventional technology in the field.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The mining imaging device is characterized by comprising an imaging module and a light supplement lamp used for providing infrared light and visible light for the imaging module;
the imaging module comprises a shell with a cavity, at least one characteristic spectrum camera, a processor and a power supply; the characteristic spectrum camera is arranged on the shell, the processor is arranged in the shell, the characteristic spectrum camera is connected with the processor, and the characteristic spectrum camera, the light supplementing lamp and the processor are electrically connected with the power supply;
the characteristic spectrum camera comprises a characteristic film-coated lens and a characteristic spectrum photosensitive CCD, and the characteristic film-coated lens is positioned on the front side of the characteristic spectrum photosensitive CCD.
2. The mining imaging device of claim 1, further comprising at least one zoom camera, wherein the zoom camera is mounted on the housing, the zoom camera is mounted on the same side as the characteristic spectrum camera, and the zoom camera is connected to both the processor and the power supply.
3. The mining imaging device according to claim 1 or 2, wherein the fill light is connected with the imaging module through a communication module.
4. The mining imaging device according to claim 2, wherein the zoom camera is a high-definition zoom camera, the characteristic spectrum photosensitive CCD is a low-illumination infrared spectrum photosensitive CCD, and the characteristic coated lens is a near-infrared coated lens.
5. The mining imaging device of claim 1, wherein the light supplement lamp comprises a plurality of adjustable infrared light LED lamp beads and a plurality of adjustable visible light LED lamp beads, and the infrared light LED lamp beads and the visible light LED lamp beads are alternately arranged in a matrix.
6. A mining imaging apparatus, characterised by comprising a mining imaging device as claimed in any one of claims 1 to 5.
7. A method of using the mining imaging apparatus of any one of claims 2 to 5, comprising the steps of:
s1: respectively turning on an imaging module and a light supplement lamp;
s2: arranging a light supplement lamp;
s3: after the light supplement lamp is arranged, clicking a shooting key of an imaging module to shoot and record a target body, and simultaneously, working the light supplement lamp;
s4: the imaging module obtains an image shot by the characteristic spectrum camera and an image shot by the zooming camera;
s5: and the image shot by the characteristic spectrum camera and the image shot by the zoom camera are synthesized to finally form a high-definition picture for presentation.
8. The mining imaging method according to claim 7, wherein the step of providing a fill-in light in the step S2 specifically comprises the steps of: pre-shooting through an imaging module to obtain the optimal parameters of the light supplement lamp;
and S3, after the light supplement lamp is set, clicking a shooting key of the imaging module to shoot and record the target, simultaneously working the light supplement lamp, and dimming and supplementing the light of the light supplement lamp according to the optimal light supplement lamp parameter information in the S2.
9. The mining imaging method according to claim 8, wherein the specific step of obtaining the optimal fill-in lamp parameters by the fill-in lamp comprises:
s21: the light supplement lamp is connected with the imaging module through the communication module, the light supplement lamp is provided with at least N groups of different light supplement parameters in advance, a light source of the light supplement lamp is turned on, a pre-shooting key of the imaging module is clicked to shoot a target body, the imaging module respectively shoots the target body in advance through the characteristic spectrum camera and the zooming camera, and N is an integer;
s22: the imaging module obtains N pictures shot by the characteristic spectrum camera and N pictures shot by the zooming camera, a user selects the clearest one of the N pictures shot by the characteristic spectrum camera and clicks to confirm, and selects the clearest one of the N pictures shot by the zooming camera and clicks to confirm, and the light filling lamp parameters of the two selected pictures are the optimal light filling lamp parameters.
10. The mining imaging method according to claim 8, wherein the specific step of obtaining the optimal fill-in lamp parameters by the fill-in lamp comprises:
s21: the method comprises the following steps of connecting a light supplement lamp with an imaging module through a communication module, wherein the light supplement lamp is provided with at least N groups of different light supplement parameters in advance, turning on a light source of the light supplement lamp, clicking a pre-shooting key of the imaging module to shoot a target body, and the imaging module pre-shoots the target body through a characteristic spectrum camera and a zooming camera respectively, wherein N is an integer;
s22: the imaging module automatically judges the imaging quality of each picture, and obtains the optimal imaging parameters and the optimal light supplement lamp parameters through calculation.
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