CN103822711B - Digital image display methods and EO-1 hyperion telescope - Google Patents
Digital image display methods and EO-1 hyperion telescope Download PDFInfo
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- CN103822711B CN103822711B CN201410075088.3A CN201410075088A CN103822711B CN 103822711 B CN103822711 B CN 103822711B CN 201410075088 A CN201410075088 A CN 201410075088A CN 103822711 B CN103822711 B CN 103822711B
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Abstract
Embodiments provide a kind of digital image display methods and EO-1 hyperion telescope, the method comprises: the full spectral coverage sunshine obtaining Target scalar; Divide full spectral coverage sunshine according to wavelength coverage and sampling wavelength interval, to obtain the spectrum of multiple wavelength band, described wavelength coverage comprises visible ray, near infrared, short-wave infrared wavelength coverage; Receive the spectrum of the described multiple wavelength band obtained, convert described spectrum to digital picture respectively, when the number of described digital picture is greater than color space number of active lanes, described color space number of active lanes first digital picture of the feature of the described Target scalar of reflection is obtained from described digital picture, when the number of described digital picture is less than or equal to color space number of active lanes, using all digital pictures as described first digital picture, show all described first digital pictures.The method adopting the embodiment of the present invention to provide and EO-1 hyperion telescope, can obtain the image of the feature of reflection Target scalar.
Description
Technical field
The present invention relates to hyperspectral technique field, in particular, relate to digital image display methods and EO-1 hyperion telescope.
Background technology
Along with the lifting of various technology, several functions becomes the main flow in market gradually in product integrally, such as, telescope and camera are combined into one.Telescope and camera are combined except the feature with distant surveillance, the image of remote Target scalar can also be obtained.
Inventor finds in the process realizing the invention, telescope of the prior art and camera are combined into one the image on the Target scalar surface that can obtain in visible-range, but the image of the characteristic that can reflect Target scalar can not be obtained, if such as there is paint on Target scalar surface, then can obtain the Target scalar image being coated with paint, the material of Target scalar can not be obtained.
Summary of the invention
In view of this, the invention provides a kind of digital image display methods and EO-1 hyperion telescope, to overcome the problem of the material that can not obtain Target scalar in prior art.
For achieving the above object, the invention provides following technical scheme:
A kind of digital image display methods, be applied to EO-1 hyperion telescope, described digital image display methods comprises:
Obtain the full spectral coverage sunshine of Target scalar;
Divide described full spectral coverage sunshine according to wavelength coverage and sampling wavelength interval, to obtain the spectrum of multiple wavelength band, described wavelength coverage comprises visible ray, near infrared, short-wave infrared wavelength coverage;
Receive the spectrum of the described multiple wavelength band obtained, convert described spectrum to digital picture respectively, when the number of described digital picture is greater than color space number of active lanes, described color space number of active lanes first digital picture of the feature of the described Target scalar of reflection is obtained from described digital picture, when the number of described digital picture is less than or equal to described color space number of active lanes, using described all digital pictures as described first digital picture, show all described first digital pictures.
Wherein, described according to wavelength coverage and sampling wavelength interval described full spectral coverage sunshine is divided, comprise with the spectrum obtaining multiple wavelength band:
Receive the described sampling wavelength interval of user's setting and described wavelength coverage;
According to described sampling wavelength interval and described wavelength coverage, generate the instruction dividing described full spectral coverage sunshine;
According to the instruction of the described full spectral coverage sunshine of described division, the wavelength corresponding to described full spectral coverage sunshine divides, to obtain the spectrum of multiple wavelength band.
Wherein, when the described number when described digital picture is greater than color space number of active lanes, described color space number of active lanes first digital picture obtaining the feature of the described Target scalar of reflection from described digital picture comprises:
In form according to the wavelength band with the corresponding relation of the feature of this atural object of reflection that store atural object, obtain the wavelength band that can reflect described Target scalar feature;
Can reflect the wavelength band of described Target scalar feature from described, select a described color space number of active lanes described first band scope;
Obtain the digital picture that described first band scope is corresponding respectively.
Wherein, when the described number when described digital picture is greater than color space number of active lanes, described color space number of active lanes first digital picture obtaining the feature of the described Target scalar of reflection from described digital picture comprises:
The spectrum of all described wavelength band is carried out respectively preset conversion, obtain the spectral energy information that each wavelength band is corresponding;
Described energy information is arranged from high to low, the digital picture that before obtaining, a described color space number of active lanes wavelength band is corresponding.
A kind of EO-1 hyperion telescope, comprising:
Optical camera, for obtaining the full spectral coverage sunshine of Target scalar;
Light-dividing device, for dividing described full spectral coverage sunshine according to wavelength coverage and sampling wavelength interval, to obtain the spectrum of multiple wavelength band, described wavelength coverage comprises visible ray, near infrared, short-wave infrared wavelength coverage;
Digital image processing apparatus, for receiving the spectrum of described multiple wavelength band of acquisition, convert described spectrum to digital picture respectively, when the number of described digital picture is greater than color space number of active lanes, described color space number of active lanes first digital picture of the feature of the described Target scalar of reflection is obtained from described digital picture, when the number of described digital picture is less than or equal to described color space number of active lanes, using described all digital pictures as described first digital picture, show all described first digital pictures.
Wherein, described light-dividing device comprises:
Parameter set unit, for receiving the described sampling wavelength interval of user's setting and described wavelength coverage;
Spectral wavelength selects control module, for according to described sampling wavelength interval and described wavelength coverage, generates the instruction dividing described full spectral coverage sunshine;
Spectrum unit, for the instruction according to the described full spectral coverage sunshine of described division, the wavelength corresponding to described full spectral coverage sunshine divides, to obtain the spectrum of multiple wavelength band.
Wherein, described digital image processing apparatus comprises:
First acquiring unit, for according in the form of the wavelength band with the corresponding relation of the feature of this atural object of reflection that store atural object, obtains the wavelength band that can reflect described Target scalar feature;
Second acquisition unit, for reflecting in the wavelength band of described Target scalar feature from described, selects a described color space number of active lanes described first band scope;
3rd acquiring unit, for obtaining described first band scope digital picture corresponding respectively.
Wherein, described digital image processing apparatus comprises:
Converting unit, presetting conversion for being carried out respectively by the spectrum of all described wavelength band, obtaining the spectral energy information that each wavelength band is corresponding;
3rd acquiring unit, for described energy information is arranged from high to low, the digital picture that before obtaining, a described color space number of active lanes wavelength band is corresponding.
Wherein, described digital image processing apparatus comprises:
Digital image sensor unit, for receiving the spectrum of all wavelength band that described light-dividing device obtains, converts the spectrum of described all wavelength band to digital picture respectively;
Data buffer storage unit, for storing all described digital pictures;
Data processing unit, for judging the number of digital picture in described data buffer storage unit, when the number of described digital picture is greater than color space number of active lanes, described color space number of active lanes the first digital picture is obtained from described digital picture, when the number of described digital picture is less than or equal to described color space number of active lanes, using described all digital pictures as described first digital picture;
Display unit, for showing all described first digital pictures.
Wherein, described optical camera comprises:
Imaging lens, diaphragm and collimating mirror;
Wherein, described imaging lens for the full spectral coverage sunshine of described Target scalar is imaged in described diaphragm, and converts the full spectral coverage sunshine of described Target scalar to parallel beam by described collimating mirror.
Known via above-mentioned technical scheme, compared with prior art, embodiments provide a kind of digital image display methods, according to wavelength coverage and sampling wavelength interval, full spectral coverage sunshine is divided in the method, the spectrum of the multiple wavelength band obtained comprises the spectrum belonging to visible ray, near-infrared wavelength scope, short-wave infrared optical wavelength range, and the spectrum in visible ray, near-infrared wavelength scope, short-wave infrared optical wavelength range can reflect the characteristic of Target scalar to a certain extent.After converting the spectrum of all wavelength band to digital picture respectively, when the number of digital picture is greater than color space number of active lanes, color space number of active lanes first digital picture of the feature of reflection Target scalar is obtained from digital picture, when the number of digital picture is less than or equal to color space number of active lanes, using all digital pictures as the first digital picture, show all first digital pictures.So the image of the feature of reflection Target scalar can be obtained.Thus further obtain the material of Target scalar.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The schematic flow sheet of a kind of digital image display methods that Fig. 1 provides for the embodiment of the present invention;
Described full spectral coverage sunshine is divided, to obtain the method flow schematic diagram of a kind of implementation of the spectrum of multiple wavelength band according to wavelength coverage and sampling wavelength interval in a kind of digital image display methods that Fig. 2 provides for the embodiment of the present invention;
In a kind of digital image display methods that Fig. 3 provides for the embodiment of the present invention when the number of described digital picture is greater than color space number of active lanes, from described digital picture, obtain the method flow schematic diagram of a kind of implementation of described color space number of active lanes first digital picture of the feature of the described Target scalar of reflection;
In a kind of digital image display methods that Fig. 4 provides for the embodiment of the present invention when the number of described digital picture is greater than color space number of active lanes, from described digital picture, obtain the method flow schematic diagram of a described color space number of active lanes another implementation of the first digital picture of the feature of the described Target scalar of reflection;
The telescopical structural representation of a kind of EO-1 hyperion that Fig. 5 provides for the embodiment of the present invention;
The structural representation of a kind of implementation of light-dividing device in a kind of EO-1 hyperion telescope that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the telescopical a kind of implementation of a kind of EO-1 hyperion that Fig. 7 provides for the embodiment of the present invention;
The structural representation of the telescopical another specific embodiment of a kind of EO-1 hyperion that Fig. 8 provides for the embodiment of the present invention.
Embodiment
For the purpose of quoting and know, the explanation of the technical term hereinafter used, write a Chinese character in simplified form or abridge and be summarized as follows:
DDS:DirectDigitalSynthesizer, digital direct is bonded into radio-frequency signal generator,
CCD:Charge-coupledDevice, charge coupled cell;
AOTF:Acousto-optictunablefilter, acousto-optic tunable filter;
LCD:LiquidCrystalDisplay, liquid crystal display.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to accompanying drawing 1, be the schematic flow sheet of a kind of digital image display methods that the embodiment of the present invention provides, the method is applied to EO-1 hyperion telescope, and the method comprises:
Step S101: the full spectral coverage sunshine obtaining Target scalar.
In prior art, the sunlight wavelength of the full spectral coverage of atural object roughly distributes as follows: blue light wavelength 400nm to 500nm, green wavelength 500nm to 700nm, red light wavelength 600nm to 700nm, near-infrared wavelength 700nm to 1100nm, short-wave infrared wavelength 1100nm to 3000nm, medium wavelength infrared wavelength 3000nm to 5000nm, LONG WAVE INFRARED 5000nm to 1400nm.
Step S102: full spectral coverage sunshine is divided, to obtain the spectrum of multiple wavelength band according to wavelength coverage and sampling wavelength interval.
Wavelength coverage can comprise visible ray, near infrared, short-wave infrared wavelength coverage.This wavelength coverage can be that 400 nanometers are to 2500 nanometers.
Step S103: the spectrum receiving the above-mentioned multiple wavelength band obtained, convert above-mentioned spectrum to digital picture respectively, when the number of digital picture is greater than color space number of active lanes, color space number of active lanes first digital picture of the feature of reflection Target scalar is obtained from digital picture, when the number of digital picture is less than or equal to institute's color space number of active lanes, using all digital pictures as the first digital picture, show all first digital pictures.
The above-mentioned digital picture by the feature that can reflect atural object in digital picture is called the first digital picture.The atural object that different materials is formed, can reflect that the wavelength band of its feature is different, such as building materials market, the Asian Games Village, Beijing roof Material, in true color image, roof is all shown as the blueness of paint, paint layer can not be distinguished and cover lower sheet material, and in the false color image formed at short-wave infrared and near infrared, can find that roof is actual and be made up of different materials.
Color space number of active lanes can be 3, and the color space channel data of such as RGB color space is 3, and the color space channel data of YUV color space is 3.
Embodiments provide a kind of digital image display methods, according to wavelength coverage and sampling wavelength interval, full spectral coverage sunshine is divided in the method, the spectrum of the multiple wavelength band obtained comprises the spectrum belonging to visible ray, near-infrared wavelength scope, short-wave infrared optical wavelength range, and the spectrum in visible ray, near-infrared wavelength scope, short-wave infrared optical wavelength range can reflect the characteristic of Target scalar to a certain extent.After converting the spectrum of all wavelength band to digital picture respectively, when the number of digital picture is greater than color space number of active lanes, color space number of active lanes first digital picture of the feature of reflection Target scalar is obtained from digital picture, when the number of digital picture is less than or equal to color space number of active lanes, using all digital pictures as the first digital picture, show all first digital pictures.So the image of the feature of reflection Target scalar can be obtained.Thus further obtain the material of Target scalar.
Refer to Fig. 2, for dividing described full spectral coverage sunshine according to wavelength coverage and sampling wavelength interval in a kind of digital image display methods that the embodiment of the present invention provides, to obtain the method flow schematic diagram of a kind of implementation of the spectrum of multiple wavelength band, the method comprises:
Step S201: the sampling wavelength interval and the wavelength coverage that receive user's setting.
Full spectrum sunshine comprises multiple light, and the embodiment of the present invention may need wherein a part of light, such as visible ray, near infrared, short-wave infrared wavelength coverage, owing to knowing visible ray, near infrared, short-wave infrared wavelength coverage, so user directly can arrange sampling wavelength interval and wavelength coverage according to this.To obtain visible ray, near infrared light, short-wave infrared light from full spectral coverage sunshine.The embodiment of the present invention does not do concrete restriction to the light obtaining which wave band in full spectral coverage sunshine.
Step S202: according to sampling wavelength interval and wavelength coverage, generates the instruction dividing full spectral coverage sunshine.
Step S203: according to the instruction dividing full spectral coverage sunshine, the wavelength corresponding to full spectral coverage sunshine divides, to obtain the spectrum of multiple wavelength band.
Refer to Fig. 3, for in a kind of digital image display methods that the embodiment of the present invention provides when the number of described digital picture is greater than color space number of active lanes, from described digital picture, obtain the method flow schematic diagram of a kind of implementation of described color space number of active lanes first digital picture of the feature of the described Target scalar of reflection, the method comprises:
Step S301: in the form according to the wavelength band with the corresponding relation of the feature of this atural object of reflection that store atural object, obtain the wavelength band that can reflect described Target scalar feature.
Such as, if the turf that distinguishes truth from false (namely turf is Target scalar), then from above table, obtain the wavelength band that can reflect described Target scalar feature, such as, be near infrared and short-wave infrared.
Step S302: can reflect the wavelength band of described Target scalar feature from described, selects a described color space number of active lanes described first band scope.
Still for above-mentioned, can select a color space number of active lanes wave band from above-mentioned near infrared and short-wave infrared, this color space number of active lanes wave band all belongs to above-mentioned first band scope.
Step S303: obtain the digital picture that described first band scope is corresponding respectively.
Refer to Fig. 4, for in a kind of digital image display methods that the embodiment of the present invention provides when the number of described digital picture is greater than color space number of active lanes, from described digital picture, obtain the method flow schematic diagram of a described color space number of active lanes another implementation of the first digital picture of the feature of the described Target scalar of reflection, the method comprises:
Step S401: the spectrum of all wavelength band is carried out respectively preset conversion, obtain the spectral energy information that each wavelength band is corresponding.
Step S402: spectral energy information is arranged from high to low, the digital picture that before obtaining, a described color space number of active lanes wavelength band is corresponding.
Spectral energy is higher, more can reflect the feature of Target scalar, so the digital picture that the high wavelength band of prioritizing selection spectral energy information is corresponding.
Describe method in detail in embodiment disclosed in the invention described above, the device of various ways can be adopted to realize for method of the present invention, therefore the invention also discloses a kind of device, provide specific embodiment below and be described in detail.
Refer to Fig. 5, be the telescopical structural representation of a kind of EO-1 hyperion that the embodiment of the present invention provides, this EO-1 hyperion telescope comprises: optical camera 501, light-dividing device 502 and digital image processing apparatus 503, wherein:
Optical camera 501, for obtaining the full spectral coverage sunshine of Target scalar.
The function of optical camera 501 can comprise: determine the viewfinder range of Target scalar, focus adjustment, luminous flux size etc., and object is the sunshine obtaining the full spectral coverage of Target scalar.The input of optical camera 501 is Target scalar scenes, and output is the sunshine comprising full spectral coverage.
Optical camera 501 can comprise preposition optical system.
Light-dividing device 502, for dividing, to obtain the spectrum of multiple wavelength band described full spectral coverage sunshine according to wavelength coverage and sampling wavelength interval.
Described wavelength coverage comprises visible ray, near infrared light, short-wave infrared optical wavelength range.
Light-dividing device 502 is responsible for the sunshine of full spectral coverage to carry out spectrum, obtain the spectrum of the different wavelength range of Target scalar, and the wavelength coverage that can arrange according to user and sampling wavelength interval, export the spectrum of specified wavelength, the spectrum of this specified wavelength can be the characteristic spectrum of several wavelength coverages that can identify Target scalar.The input of light-dividing device 501 is solar spectrums of full spectral coverage, and output is the characteristic spectrum of Target scalar.
Digital image processing apparatus 503, for receiving the spectrum of described multiple wavelength band of acquisition, convert described spectrum to digital picture respectively, when the number of described digital picture is greater than color space number of active lanes, described color space number of active lanes first digital picture of the feature of the described Target scalar of reflection is obtained from described digital picture, when the number of described digital picture is less than or equal to described color space number of active lanes, using described all digital pictures as described first digital picture, show all described first digital pictures.
Digital image processing apparatus 503 is responsible for the light signal of the characteristic spectrum received to be converted to electric signal, namely obtain digitized Target scalar image, if the wave band number of this digital picture is less than or equal to three, then directly carry out pseudo color coding hologram or gray level image output; If the wave band number of this digital picture is greater than three, then carry out Target scalar feature extraction, thus it is preferred to realize wave band, exports three characteristic wave bands optimized.The input of digital image processing apparatus is the characteristic spectrum of Target scalar, and output is the digital picture that can reflect Target scalar feature.
Embodiments provide a kind of EO-1 hyperion telescope, light-dividing device 502 divides full spectral coverage sunshine according to wavelength coverage and sampling wavelength interval, the spectrum of the multiple wavelength band obtained comprises the spectrum belonging to near-infrared wavelength scope, short-wave infrared optical wavelength range, and the spectrum in near-infrared wavelength scope, short-wave infrared optical wavelength range can reflect the characteristic of Target scalar to a certain extent.After digital image processing apparatus 503 converts the spectrum of all wavelength band to digital picture respectively, when the number of digital picture is greater than color space number of active lanes, color space number of active lanes first digital picture of the feature of reflection Target scalar is obtained from digital picture, when the number of digital picture is less than or equal to color space number of active lanes, using all digital pictures as the first digital picture, show all first digital pictures.So the image of the feature of reflection Target scalar can be obtained.Thus further obtain the material of Target scalar.
Refer to Fig. 6, for the structural representation of a kind of implementation of light-dividing device in a kind of EO-1 hyperion telescope that the embodiment of the present invention provides, this light-dividing device can comprise: parameter set unit 601, spectral wavelength select control module 602 and spectrum unit 603, wherein:
Parameter set unit 601, for receiving the described sampling wavelength interval of user's setting and described wavelength coverage.
Parameter set unit 601 can comprise communication and control circuit, terminal interface etc.
Spectral wavelength selects control module 602, for according to described sampling wavelength interval and described wavelength coverage, generates the instruction dividing described full spectral coverage sunshine.
Spectral wavelength is selected control module 602 can comprise digital direct and is bonded into radio-frequency signal generator, signal filtering and amplifying circuit, combiner, power amplifier etc.
Spectrum unit 603, for the instruction according to the described full spectral coverage sunshine of described division, the wavelength corresponding to described full spectral coverage sunshine divides, to obtain the spectrum of multiple wavelength band.
Spectrum unit 603 can comprise AOTF etc.
Digital image processing apparatus in a kind of EO-1 hyperion telescope that the embodiment of the present invention provides can comprise: the first acquiring unit, for according in the form of the wavelength band with the corresponding relation of the feature of this atural object of reflection that store atural object, obtain the wavelength band that can reflect described Target scalar feature; Second acquisition unit, for reflecting in the wavelength band of described Target scalar feature from described, selects a described color space number of active lanes described first band scope; 3rd acquiring unit, for obtaining described first band scope digital picture corresponding respectively.
Digital image processing apparatus in a kind of EO-1 hyperion telescope that the embodiment of the present invention provides comprises: converting unit, presetting conversion, obtaining the spectral energy information that each wavelength band is corresponding for being carried out respectively by the spectrum of all described wavelength band; 3rd acquiring unit, for described energy information is arranged from high to low, the digital picture that before obtaining, a described color space number of active lanes wavelength band is corresponding.
Digital image processing apparatus in a kind of EO-1 hyperion telescope that the embodiment of the present invention provides comprises: digital image sensor unit, for receiving the spectrum of all wavelength band that described light-dividing device obtains, convert the spectrum of described all wavelength band to digital picture respectively; Data buffer storage unit, for storing all described digital pictures; Data processing unit, for judging the number of digital picture in described data buffer storage unit, when the number of described digital picture is greater than color space number of active lanes, described color space number of active lanes the first digital picture is obtained from described digital picture, when the number of described digital picture is less than or equal to described color space number of active lanes, using described all digital pictures as described first digital picture; Display unit, for showing all described first digital pictures.
Digital image sensor unit can: comprise CCD, signal condition and Acquisition Circuit, sequential circuit etc.
Display unit can comprise LCD colour liquid crystal display device etc.
Optical camera in a kind of EO-1 hyperion telescope that the embodiment of the present invention provides comprises: imaging lens, diaphragm and collimating mirror; Wherein, described imaging lens for the full spectral coverage sunshine of described Target scalar is imaged in described diaphragm, and converts the full spectral coverage sunshine of described Target scalar to parallel beam by described collimating mirror.
In order to those skilled in the art understand the embodiment of the present invention more, below telescopical for above-mentioned EO-1 hyperion a kind of detailed data treatment scheme is described, refer to Fig. 7, for the structural representation of the telescopical a kind of implementation of a kind of EO-1 hyperion that the embodiment of the present invention provides, this EO-1 hyperion telescope comprises: preposition optical system 700, spectrum unit 701, spectral wavelength select control module 702, parameter set unit 703, digital image sensor unit 704, data buffer storage unit 705, display unit 706 and data processing unit 707, wherein:
Sunshine enters EO-1 hyperion telescope from the preposition optical system 700 of optical camera 501, is responsible for determining interesting target atural object in visual field and carries out focus adjustment, luminous flux size adjustment by preposition optical system 700; The sunshine of full spectral coverage is after preposition optical system, enter spectrum unit 701, the light splitting of spectrum unit 701 can be realized by methods such as dispersion, interference, optical filterings, be several band spectrums of setting wavelength coverage, wavelength interval by the sunshine light splitting of full spectral coverage, the parameters such as the wavelength coverage in spectrum process, wavelength interval can select control module 702 to provide by spectral wavelength, and spectral wavelength selects the parameter in control module 702 can be arranged based on parameter set unit 703 by user; The some characteristic spectrums of Target scalar after light-dividing device 502 enter digital image processing apparatus 503, by digital image sensor unit 704, light signal is converted to electric signal, form digital picture, this digital picture comprises several wave bands, a characteristic spectrum of the corresponding spectrum unit 701 of digitalized data of each wave band; By data buffer storage unit 705, the image that digitizing is received is kept in, if the digital picture that digital image sensor unit 705 exports is less than or equal to three wave bands, then can directly export visual via display unit 706 or store with file mode, if the digital picture that digital image sensor unit 705 exports is greater than three wave bands, then proceed to data processing unit 707; Data processing unit 707 is responsible for carrying out feature extraction to the data more than three wave bands received, this characteristic extraction procedure is the feature extraction carried out for the interesting target type of ground objects in visual field, data more than three wave bands are optimized, export three band image data can export visual by display unit 706 or store with file mode, the parameter in data processing unit 707 can be arranged based on parameter set unit 704 by user.
Refer to Fig. 8, for the structural representation of the telescopical another specific embodiment of a kind of EO-1 hyperion that the embodiment of the present invention provides, this EO-1 hyperion telescope comprises: imaging lens 801, diaphragm 802, collimating mirror 803, AOTF6031, power amplifier 6024, combiner 6023, signal filtering and amplifying circuit 6022, CCD804, signal condition and Acquisition Circuit 805, sequential circuit 806, DDS6021, communication and control circuit 6011, data processing unit 707, display unit 706, data image storage card 807, terminal interface 6012.
The EO-1 hyperion telescope that the embodiment of the present invention provides includes but not limited to battery and power circuit.
EO-1 hyperion telescopical specific works process is as follows: target area scene reflectivity sunshine enters imaging lens 801, light enters collimating mirror 803 by diaphragm 802, light enters AOTF6031 and carries out light splitting, point optical parameter is provided by power amplifier 6024, such as if distinguish truth from false turf, then be adjusted to three wave bands of near infrared and short-wave infrared, the light of these three wave bands enters CCD804 imaging, data entering signal conditioning after imaging carries out digital-to-analog conversion with Acquisition Circuit 805, the light signal of three wave bands is converted to 01 digital signal, signal after conversion carries out data buffer storage as the high spectrum image of the Target scalar obtained.After communication and control circuit 6011 gets high spectrum image from data buffer storage, can be selected at once to export by user, still give data processing unit 707 to process further, if processed further by logarithmic data processing unit 707, then show at display unit 706, or be directly stored into data image storage card 807.Point optical parameter regulates the feature spectral coverage being regulated the target area atural object scene after data-signal process by communication and control circuit 6011 according to user, data are sent to DDS6021, after receiving characteristic by DDS6021, strengthen through signal filtering and amplifying circuit 6022 pairs of signals, and pass to by power amplifier 6024 selection that AOTF6031 carries out wave band.
By the photoimaging of field of regard clutter reflections on square diaphragm, light beam is directional light by being collimated by collimating mirror after diaphragm, is incident to AOTF spectrum groupware.
AOTF spectrum groupware can realize the light of several wave bands of light splitting, realizes center wavelength variation by changing Driver amplifier frequency.
Data processing unit 707 for three wave bands and multiband two kinds of obtain manners, adoptable implementation method respectively:
Three wave band pseudo color coding hologram styles of shooting:
Mode 1: will once produce the light of 3 wave bands after AOTF light splitting, correspond on Pixel domains different on CCD accurately, on CCD, finally form the effect being similar to bayer-like colored CCD and producing, such area array CCD records simultaneously the information of three wave bands, a wave band wherein in corresponding three wave bands of each detection unit, finally by signal transacting, rebuild the information of other two wave bands of each pixel, finally three wave bands are given respectively R, G, B and adopt coloured image display to store with record.
Mode 2: adopt AOTF successively by the light of three wave bands, when by first wave band, be irradiated on CCD and form electric signal.Carry out A/D conversion afterwards, this two field picture of buffer memory is also waited for, meanwhile AOTF change band setting produces the beam Propagation of new audio range frequency to CCD, carry out A/D afterwards equally and change row cache of going forward side by side, until complete the collection of three band images, finally three wave bands are given respectively R, G, B and synthesize a width coloured image and show and record storage.
Multiband style of shooting: according to user-defined spectral range and spectral resolution, drive according to power amplifier, adopt AOTF to obtain the light of each wave band successively, be irradiated on CCD and form electric signal, through A/D conversion, the collection completing multi-band image stores with record.
It should be noted that, each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.For device or system class embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random access memory (RAM), internal memory, ROM (read-only memory) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a digital image display methods, is characterized in that, is applied to EO-1 hyperion telescope, and described digital image display methods comprises:
Obtain the full spectral coverage sunshine of Target scalar;
Divide described full spectral coverage sunshine according to wavelength coverage and sampling wavelength interval, to obtain the spectrum of multiple wavelength band, described wavelength coverage comprises visible ray, near infrared, short-wave infrared wavelength coverage;
Receive the spectrum of the described multiple wavelength band obtained, convert described spectrum to digital picture respectively, when the number of described digital picture is greater than color space number of active lanes, described color space number of active lanes first digital picture of the feature of the described Target scalar of reflection is obtained from described digital picture, when the number of described digital picture is less than or equal to described color space number of active lanes, using all described digital pictures as described first digital picture, show all described first digital pictures;
When the described number when described digital picture is greater than color space number of active lanes, described color space number of active lanes first digital picture obtaining the feature of the described Target scalar of reflection from described digital picture comprises:
In form according to the wavelength band with the corresponding relation of the feature of this atural object of reflection that store atural object, obtain the wavelength band that can reflect described Target scalar feature; Can reflect the wavelength band of described Target scalar feature from described, select a described color space number of active lanes first band scope; Obtain the digital picture that described first band scope is corresponding respectively;
Or, the spectrum of all described wavelength band is carried out respectively preset conversion, obtains the spectral energy information that each wavelength band is corresponding; Described energy information is arranged from high to low, the digital picture that before obtaining, a described color space number of active lanes wavelength band is corresponding.
2. digital image display methods according to claim 1, is characterized in that, describedly divides described full spectral coverage sunshine according to wavelength coverage and sampling wavelength interval, comprises with the spectrum obtaining multiple wavelength band:
Receive the described sampling wavelength interval of user's setting and described wavelength coverage;
According to described sampling wavelength interval and described wavelength coverage, generate the instruction dividing described full spectral coverage sunshine;
According to the instruction of the described full spectral coverage sunshine of described division, the wavelength corresponding to described full spectral coverage sunshine divides, to obtain the spectrum of multiple wavelength band.
3. an EO-1 hyperion telescope, is characterized in that, comprising:
Optical camera, for obtaining the full spectral coverage sunshine of Target scalar;
Light-dividing device, for dividing described full spectral coverage sunshine according to wavelength coverage and sampling wavelength interval, to obtain the spectrum of multiple wavelength band, described wavelength coverage comprises visible ray, near infrared, short-wave infrared wavelength coverage;
Digital image processing apparatus, for receiving the spectrum of described multiple wavelength band of acquisition, convert described spectrum to digital picture respectively, when the number of described digital picture is greater than color space number of active lanes, described color space number of active lanes first digital picture of the feature of the described Target scalar of reflection is obtained from described digital picture, when the number of described digital picture is less than or equal to described color space number of active lanes, using all described digital pictures as described first digital picture, show all described first digital pictures;
Described light-dividing device comprises:
Parameter set unit, for receiving the described sampling wavelength interval of user's setting and described wavelength coverage;
Spectral wavelength selects control module, for according to described sampling wavelength interval and described wavelength coverage, generates the instruction dividing described full spectral coverage sunshine;
Spectrum unit, for the instruction according to the described full spectral coverage sunshine of described division, the wavelength corresponding to described full spectral coverage sunshine divides, to obtain the spectrum of multiple wavelength band;
Described digital image processing apparatus comprises:
First acquiring unit, for according in the form of the wavelength band with the corresponding relation of the feature of this atural object of reflection that store atural object, obtains the wavelength band that can reflect described Target scalar feature; Second acquisition unit, for reflecting in the wavelength band of described Target scalar feature from described, selects a described color space number of active lanes first band scope; 3rd acquiring unit, for obtaining described first band scope digital picture corresponding respectively;
Or converting unit, presetting conversion for being carried out respectively by the spectrum of all described wavelength band, obtaining the spectral energy information that each wavelength band is corresponding; 3rd acquiring unit, for described energy information is arranged from high to low, the digital picture that before obtaining, a described color space number of active lanes wavelength band is corresponding.
4. EO-1 hyperion telescope according to claim 3, it is characterized in that, described digital image processing apparatus comprises:
Digital image sensor unit, for receiving the spectrum of all wavelength band that described light-dividing device obtains, converts the spectrum of described all wavelength band to digital picture respectively;
Data buffer storage unit, for storing all described digital pictures;
Data processing unit, for judging the number of digital picture in described data buffer storage unit, when the number of described digital picture is greater than color space number of active lanes, described color space number of active lanes the first digital picture is obtained from described digital picture, when the number of described digital picture is less than or equal to described color space number of active lanes, using all described digital pictures as described first digital picture;
Display unit, for showing all described first digital pictures.
5. EO-1 hyperion telescope according to claim 3, it is characterized in that, described optical camera comprises:
Imaging lens, diaphragm and collimating mirror;
Wherein, described imaging lens for the full spectral coverage sunshine of described Target scalar is imaged in described diaphragm, and converts the full spectral coverage sunshine of described Target scalar to parallel beam by described collimating mirror.
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| CN109271949A (en) * | 2018-09-28 | 2019-01-25 | 中国科学院长春光学精密机械与物理研究所 | Multispectral image data extraction method, device, equipment and readable storage medium storing program for executing |
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