CN104331923A - Constructing method for code-system three-dimensional holographic sensing system - Google Patents

Constructing method for code-system three-dimensional holographic sensing system Download PDF

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CN104331923A
CN104331923A CN201410617066.5A CN201410617066A CN104331923A CN 104331923 A CN104331923 A CN 104331923A CN 201410617066 A CN201410617066 A CN 201410617066A CN 104331923 A CN104331923 A CN 104331923A
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code
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light source
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不公告发明人
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    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00Three dimensional [3D] modelling, e.g. data description of 3D objects

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Abstract

The invention discloses a constructing method for a code-system three-dimensional holographic sensing system. The constructing method for the code-system three-dimensional holographic sensing system is used for gathering space and object information which is changed in real time, analyzing and processing data, interacting between data and carrying out characteristic shielding on potential interference to guarantee the three-dimensional information acquiring reliability; the acquired information must be the real-time real information of the entity and environment, and the acquired information comprises position, distance, size, shape, motion state and the like. The constructing method for the code-system three-dimensional holographic sensing system includes steps that (1) building the code-system three-dimensional holographic sensing system; (2) building a characteristic light source and an independent characteristic optical code; (3) realizing 44-bit code system; (4) gathering optical code speed rate characteristics, full frame period characteristics, flying time characteristics and mutual interference solutions; (5) gathering three-dimensional information, and generating a code-system three-dimensional holographic image space.

Description

A kind of code system 3D hologram sensor-based system building method
Technical field
The present invention is applied to 3D hologram communication, unmanned, intelligent vehicle flow management, Intelligent logistics management and industrial production automation field; Code system 3D hologram sensor-based system is set up by the present invention, can gather the three-dimensional space environment of real-time change and object information, data analysis, data processing and data interactive, meanwhile, Feature masking is carried out to ensure the reliability that three-dimensional information obtains to issuable interference.
Background technology
At present in the industry to the acquisition of three-dimensional scenic mainly based on multi-camera acquisition method, namely formed the information such as position, size, shape, color of different angles computational entity in space with object by the video camera of multiple diverse location, and according to as above data-evaluation go out the actual some distance of positions from, the information obtained possesses stronger three-dimensional stereopsis through technology reduction, and this technology in video display sector application widely.
Multi-cam technology belongs to passive information source acquisition technique, in dynamic environment with can not as the criterion method of space length and body in kind when lacking reference substance.
3D hologram communication, unmanned, intelligent vehicle flow management, Intelligent logistics management and industrial production automation field not only need the three-dimensional informations such as position, size, shape, and, also need the information of a distance of positions from, shape and motion state, the information obtained must be can material object, the environment real information in real time of criterion.
Further developing of sector application, needs code system 3D hologram sensor-based system to adapt to the demand of every field.
Summary of the invention
The technical problem to be solved in the present invention is just: set up that 3D hologram sensing system gathers the space of real-time change and object information, data analysis, data processing and data interactive, Feature masking is carried out to ensure the reliability that three-dimensional information obtains to issuable interference, the information obtained must be can the material object of criterion, environment real in real time information, comprise position, distance, size, shape, motion state etc.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
(1) code system 3D hologram sensor-based system is set up:
Code system 3D hologram sensor-based system is made up of independent characteristic light-source system and feature light source receiving system, be set as holographic wave band between spectral range 120nm ~ 13850nm, independent characteristic light source is defined in some definite values in holographic wavelength band or an interval range in holographic wave band, set up independent characteristic light-source system, according to actual application environment, the wave band of selective light, and require design light emitting source equipment according to wave band, also need to mate communicating circuit after light emitting source selection of equipment, control circuit, make light emitting source equipment can according to working control need carry out switching operations, the unit length of the switch beginning and ending time of a work period of independent characteristic light-source system is feature light source standard, the time span set between independent characteristic light source standard is between feature light source, independent characteristic light source and light emitting source equipment, communicating circuit, control circuit constitutes independent characteristic light-source system, set up feature light source receiving system, feature light source receiving system is by photoelectric sensor array, bandpass filter, neighbourhood noise cut-off filter and lens combination composition, photoelectric sensor receives illumination and to induct electron stream, electron stream of inducting is amplified by multiplier in photoelectric sensor, by to the measurement of electron stream to realize the judgement receiving data, a photoelectric sensor is an elementary cell, multiple photoelectric sensor unit is laid and then generates photoelectric sensor array according to the horizontal longitudinal arrangement of certain distance, bandpass filter is laid on photoelectric sensor array illumination side, effect is the independent characteristic light source of effect of isolating from physical environment light, neighbourhood noise cut-off filter is laid on photoelectric sensor array illumination side, effect is the noise be with together with independent characteristic light source in filtering physical environment, by the adjustment to noise cutting off wave filter transmittance, absorb the independent characteristic light source existed in natural light and be with noise together, and to greatest extent by independent characteristic light source, lens combination is laid on photoelectric sensor array illumination side, formed by one or more montage, the major function of lens combination collects illuminated object reflection ray and by its focus projection on photoelectric sensor array.
(2) feature light source and independent characteristic light code is set up:
Set up feature light source: the light signal that in code system 3D hologram sensor-based system, independent characteristic light-source system sends only has oneself the receiving system identification of feature light source and process, feature light source to comprise in independent characteristic light-source system relatively-stationary standard and and feature light source receiving system in relatively-stationary every with shutter closure time, independent characteristic light-source system and feature light source receiving system palpus pattern match, namely the length between a standard and one and must be one every with a shutter closure time length and positive integer doubly, setting this positive integer multiple is 1 times, the time sending light signal feature light source receiving system receiving optical signals after reflections off objects due to independent characteristic light-source system is uncertain, the light signal of an independent characteristic light source may exist take two adjacent feature light source receiving systems every situation, solution is the harbour being more than or equal to 2 light signal length at the front end preseting length of independent characteristic light code, ad-hoc location preseting length in independent characteristic light code is more than or equal in the code of 2 light signal length, the code tail of 2 light signal length is more than or equal at rear end preseting length, signal after harbour and its, code neutralizes the signal between it, code tail and the signal before it make a mistake, system can according to harbour, in code, code tail every in situation mistake identified and the rub-out signal read repaired, set up independent characteristic light code: each things and other things are opposed existence, for realizing feature difference between things, set up binary coding system, by the equal absolute coding of light signal of each code system 3D hologram sensor-based system, distinguished, such process we be referred to as to set up independent characteristic light code, under the condition possessing independent characteristic light source, set up independent characteristic light code process is: in binary digit, bits per inch word can only be 0 or 1 two kind, and the light signal that independent characteristic light source sends also exists two kinds of situations, Kai Heguan, open as 1 with independent characteristic light source, close as 0 with independent characteristic light source, using standard with every the position as independent characteristic light source and feature light source receiving system, so, adjacent standard and every the data bit being exactly adjacent transmission and reception, the switching process of independent characteristic light source with standard and quantity, the scale-of-two ordered series of numbers being equivalent to 1 of binary number, 0 and being formed with it, scale-of-two ordered series of numbers can be distinguished mutually, and the information that the number in different numerical digits and different numerical digits determines representated by it is different, like this, also just achieves the difference of mutual feature between independent characteristic light code.
(3) 44 bit code systems are realized:
The figure place that 44 bit codes formulate the effective scale-of-two ordered series of numbers of justice is 44, 44 bit codes are shaped with outside effect scale-of-two ordered series of numbers can add harbour, in code, code tail, can hold in 44 bit code systems and distinguish 17592186044416 different code system 3D hologram sensor-based systems, 8 as country code or function application code in the past, 256 different countries or 256 kinds of different function application can be held, with after six and six afterwards six represent different provinces and city or application mandate classification in country, so each country can hold 64 each provinces of province can hold 64 cities, also can be expressed as each country and have 4096 basic administrative area under one's jurisdictions, or have 4096 to apply mandate classification, later 24 bit representation cities or basic administrative local code system 3D hologram sensor-based system, so, each city or basic administrative area under one's jurisdiction can hold and distinguish 16777216 different code system 3D hologram sensor-based systems.
(4) light bit rate feature, full frame period feature, flight time characteristic sum disturb solution mutually:
Light bit rate: independent characteristic light-source system opens and closes the clock period of light source, standard adds the length between one exactly, each clock period independent characteristic light-source system can send a signal, the photoelectric sensor of feature light source receiving system receives and exports the electric signal of a pixel, clock period is shorter, to send and to receive pixel data faster, it is per second that to send the induct frequency of electric pulse of light code in light signal and the pixel that receives more, every, between, the frequency of standard and shutter closure time is higher, each clock period is defined as a data bit, its unit is bit, digit rate is the data bits unit of transmission per second is bps, speed is that frame per second provides prerequisite and basis, full frame period: complete an independent characteristic light code and send and repeatedly receive the time being reflected back feature independence characteristic light code, full frame period passes through once transmission independent characteristic light code and is set in reception on the photoelectric sensor array of feature light source receiving system to return independent characteristic light code frequency and number of times, realize the two field picture to space environment, all data of a full frame period represent a two field picture hologram three-dimensional environment, flight time feature: the speed of light is 299792.485 thousand meter per seconds, the distance of point on object and code system 3D hologram sensor-based system can be measured by the light flight time, independent characteristic light-source system sends the point of light signal to certain object, the ray cast that this point reflection returns is in the photoelectric sensor pixel of feature light source receiving system photoelectric sensor array, the time that this optical signal experiences reflects the distance of the point on the light source of code system 3D hologram sensor-based system and pixel and object, reflect the direction residing for this point relative code system 3D hologram sensor-based system pixel simultaneously, namely the light that on object, point reflection returns is certain via the lens combination position projected in photoelectric sensor pixel, independent characteristic light-source system and feature light source receiving system are passed through closely integrated its spacing and can be ignored, being multiplied by the light velocity divided by 2 in the time of this stage glazing flight is exactly the distance of this point to this pixel, consider that this point and code system 3D hologram sensor-based system move mutually, its position may change, so, time of light flight be multiplied by the light velocity divided by 2 ± and code system 3D hologram sensor-based system between displacement be exactly the distance of point on actual object and code system 3D hologram sensor-based system divided by 2, multiple point, multiple directions, different time and frame construct the position of object in space, form, the information such as size, disturb solution mutually: multiple code system 3D hologram sensor-based system at one time the same space use time, the interference problem of Signal averaging may be there is each other and then affect it and normally work, feature light source receiving system is after the specific time receives interference, the appearance of problem can be avoided by the relative position of full frame period in the frequency of modulating transformation full frame period and a full frame period frequency, because three-dimensional environment relevant information exists certain application demand, the investigative range that different application needs is different, in historical facts or anecdotes border, the light signal flight time customizes as required, with the speed of 10Gbps, full frame period frequency is 100Hz, 44 bit code systems, 1km investigative range is example, sending or receiving frame data accounting in one-period frequency is (100Hz × 44bit) ÷ 10Gbps=100 × 44 ÷ 10737418240 ≈ 1/2440322, the time that one frame data light signal flies in atmosphere accounting in one-period frequency is 2 × (1 ÷ 299792.485) ÷ (1/100) ≈ 1/1500, so accounting in one-period frequency is 2 × 1/2440322+1/1500=0.000667486 ≈ 1/1500 data input and data output and flight time accumulation, this numeral explanation is the transmission of data in a unit of 100Hz in one-period frequency, transmission, reception occupies only about 1/1500 bandwidth resources, all the other are 1499/1500 vacant, modulation full frame period frequency and the relative position of full frame period in one-period frequency and occurrence number finally can avoid the problem of Signal averaging, and then solve mutual interference problem.
(5) three-dimensional information collection and generation code system 3D hologram image space:
Characteristic light code is sent by independent characteristic light-source system and is irradiated on object through three dimensions, characteristic light code turns back to feature light source receiving system by body surface reflection, by the signals collecting to photoelectric sensors different in feature light source receiving system, the time of the characteristic light code collected and photoelectric sensor relative position calculate the angle of object, position and distance, distance=time x the light velocity/2 of certain point and photoelectric sensor on object, by the point of the actual object corresponding to each photoelectric sensor being constructed the 3D hologram image data point (f(x) that computing machine can identify, f(y), f(z) point) converges conjunction, simulating the image constructed in a computer is exactly 3D hologram picture frame, 3D hologram picture frame connecting structure forms 3D hologram image space.
Compared with prior art, the invention has the advantages that:
1, code system 3D hologram sensor-based system of the present invention can realize the useful space and the scanning of object holographic real-time;
2, code system 3D hologram sensor-based system system construction science of the present invention, can work under without the condition of surround lighting;
3, code system 3D hologram sensor-based system algorithm accuracy of identification of the present invention is high, good reliability;
4, code system 3D hologram sensor-based system of the present invention can avoid the interference problem of multiple main body at the same time in the same space in real time.
5, code system 3D hologram sensor-based system of the present invention generates code system 3D hologram image space and can be applicable to 3D hologram communication, unmanned, intelligent vehicle flow management, Intelligent logistics management and industrial production automation field, can to space and the object point distance of positions information from, shape and motion state, the information obtained is can material object, the environment real information in real time of criterion.
Accompanying drawing explanation
Fig. 1 code system 3D hologram sensor-based system.
Independent characteristic light-source system and feature light source receiving system pattern match in Fig. 2 feature light source.
Fig. 3 characteristic light code.
Fig. 4 three-dimensional information gathers.
Fig. 5 generates code system 3D hologram image space.
embodiment
In order to explain the code system 3D hologram sensor-based system 1 that this patent proposes in more detail, below in conjunction with accompanying drawing, the present invention will be described in detail.Accompanying drawing and described example are only explain design of the present invention, are not intended to limit the present invention.
As shown in Fig. 1,4, set up code system 3D hologram sensor-based system 100: code system 3D hologram sensor-based system 1 is made up of independent characteristic light-source system 2 and feature light source receiving system 3, be set as holographic wave band between spectral range 120nm ~ 13850nm, independent characteristic light source 200 is defined in some definite values in holographic wavelength band or an interval range in holographic wave band, set up independent characteristic light-source system 2, according to actual application environment, the wave band of selective light, and require design light emitting source equipment 4 according to wave band, also need to mate communicating circuit 5 after light emitting source equipment 4 is selected, control circuit 6, make light emitting source equipment 4 can according to working control need carry out switching operations, the unit length of the switch beginning and ending time of 2 one work periods of independent characteristic light-source system is feature light source standard 201, between independent characteristic light source standard 201, the time span of setting is between feature light source 202, independent characteristic light source 200 and light emitting source equipment 4, communicating circuit 5, control circuit 6 constitutes independent characteristic light-source system 2, set up feature light source receiving system 3, feature light source receiving system 3 is by information process unit 7, communicating circuit 8, control circuit 9, photoelectric sensor array 10, bandpass filter 13, neighbourhood noise cut-off filter 14 and lens combination 15 form, photoelectric sensor 11 receives illumination and to induct electron stream, electron stream of inducting is amplified by multiplier 12 in photoelectric sensor 11, by to the measurement of electron stream to realize the judgement receiving data, a photoelectric sensor 11 is an elementary cell, multiple photoelectric sensor 11 unit is laid and then generates photoelectric sensor array 10 according to the horizontal longitudinal arrangement of certain distance, bandpass filter 13 is laid on photoelectric sensor array 10 illumination side, effect is the independent characteristic light source 7 of effect of isolating from physical environment light, neighbourhood noise cut-off filter 14 is laid on photoelectric sensor array 10 illumination side, effect is the noise be with together with independent characteristic light source 7 in filtering physical environment, by the adjustment to neighbourhood noise cut-off filter 14 transmittance, absorb the independent characteristic light source 7 existed in natural light and be with noise together, and to greatest extent by independent characteristic light source 7, lens combination 15 is laid on photoelectric sensor array 10 illumination side, connect by 16 groups, one or more camera lens and form, the major function of lens combination 15 collects illuminated object reflection ray and by its focus projection on photoelectric sensor array 10.
As shown in Fig. 1,3,4, set up feature light source 200: the light signal that in code system 3D hologram sensor-based system 1, independent characteristic light-source system 2 sends only has the feature light source receiving system 3 of oneself identify and process, feature light source 200 to comprise in independent characteristic light-source system 2 relatively-stationary standard 201 and 202 and feature light source receiving system 3 in relatively-stationary every 301 and shutter closure time 302, independent characteristic light-source system 2 and feature light source receiving system 3 palpus pattern match, namely between a standard 201 and one 202 length and must be one every 301 and shutter closure time 302 length and positive integer doubly, setting this positive integer multiple is 1 times, the time sending light signal feature light source receiving system 3 receiving optical signals after reflections off objects due to independent characteristic light-source system 2 is uncertain, the light signal of an independent characteristic light source 200 may exist take two adjacent feature light source receiving systems 3 every 301 situation, solution is the harbour 401 being more than or equal to 2 light signal length at the front end preseting length of independent characteristic light code 400, ad-hoc location preseting length in independent characteristic light code 400 to be more than or equal in the code of 2 light signal length 402, the code tail 403 of 2 light signal length is more than or equal at rear end preseting length, signal after harbour 401 and its, in code 402 and signal between it, code tail 403 and the signal before it make a mistake, system can according to harbour 401, code in 402, code tail 403 to identify mistake in the situation in 301 and repairs the rub-out signal read.
As shown in Figure 2,3, 4, set up independent characteristic light code 400: each things and other things are opposed existence, for realizing feature difference between things, set up binary coding system, by the equal absolute coding of light signal of each code system 3D hologram sensor-based system 1, distinguished, such process we be referred to as to set up independent characteristic light code 400, under the condition possessing independent characteristic light source 200, set up independent characteristic light code 400 process is: in binary digit, bits per inch word can only be 0 or 1 two kind, also there are two kinds of situations in the light signal that independent characteristic light source 200 sends, open and close, open as 1 with independent characteristic light source 200, close as 0 with independent characteristic light source 200, using standard 201 and every 301 as the position of independent characteristic light source 200 and feature light source receiving system 3, so, adjacent standard 201 and be exactly the data bit of adjacent transmission and reception every 301, the switching process of independent characteristic light source 200 with standard 201 and 202 quantity, be equivalent to 1 of binary number, 0 and a scale-of-two ordered series of numbers being formed with it, scale-of-two ordered series of numbers can be distinguished mutually, and the information that the number in different numerical digits and different numerical digits determines representated by it is different, like this, also just achieves the difference of mutual feature between independent characteristic light code 400.
Realize 44 bit code systems: the figure place that 44 bit codes formulate the effective scale-of-two ordered series of numbers of justice is 44, 44 bit codes are shaped with outside effect scale-of-two ordered series of numbers can add harbour 401, code in 402, code tail 403, can hold in 44 bit code systems and distinguish 17592186044416 different code system 3D hologram sensor-based systems 1, 8 as country code or function application code in the past, 256 different countries or 256 kinds of different function application can be held, with after six and six afterwards six represent different provinces and city or application mandate classification in country, so each country can hold 64 each provinces of province can hold 64 cities, also can be expressed as each country and have 4096 basic administrative area under one's jurisdictions, or have 4096 to apply mandate classification, later 24 bit representation cities or basic administrative local code system 3D hologram sensor-based system 1, so, each city or basic administrative area under one's jurisdiction can hold and distinguish 16777216 different code system 3D hologram sensor-based systems 1.
As shown in Fig. 2,3,4,5, light bit rate feature, full frame period feature, flight time characteristic sum disturb solution mutually:
Light bit rate: independent characteristic light-source system 2 opens and closes the clock period of light source, standard 201 adds the length of between one 202 exactly, each clock period independent characteristic light-source system 2 can send a signal, the photoelectric sensor 11 of feature light source receiving system 3 receives and exports the electric signal of a pixel, clock period is shorter, to send and to receive pixel data faster, it is per second that to send the induct frequency of electric pulse of light code in light signal and the pixel that receives more, every 301, between 202, the frequency of standard 201 and shutter closure time 302 is higher, each clock period is defined as a data bit, its unit is bit, digit rate is the data bits unit of transmission per second is bps, speed is that frame per second provides prerequisite and basis, full frame period 500: complete an independent characteristic light code 400 and send and repeatedly receive the time being reflected back independent characteristic light code 400, full frame period 500 passes through once transmission independent characteristic light code 400 and is set in reception on the photoelectric sensor array 10 of feature light source receiving system 3 to return independent characteristic light code 400 frequency and number of times, realize the two field picture to space environment, all data of a full frame period 500 represent a two field picture hologram three-dimensional environment, flight time feature: the speed of light is 299792.485 thousand meter per seconds, the distance of point on object 600 and code system 3D hologram sensor-based system 1 can be measured by the light flight time, independent characteristic light-source system 2 sends the point of light signal to certain object, the ray cast that this point reflection returns is in photoelectric sensor 11 pixel of feature light source receiving system 3 photoelectric sensor array 10, the time that this optical signal experiences reflects the distance of the point on the light source of code system 3D hologram sensor-based system 1 and pixel and object 600, reflect the direction residing for this point relative code system 3D hologram sensor-based system 1 pixel simultaneously, namely the position that the light that on object, point reflection returns projects in photoelectric sensor 11 pixel via lens combination 15 is certain, independent characteristic light-source system 2 and feature light source receiving system 3 are passed through closely integrated its spacing and can be ignored, being multiplied by the light velocity divided by 2 in the time of this stage glazing flight is exactly the distance of this point to this pixel, consider that this point and code system 3D hologram sensor-based system 1 move mutually, its position may change, so, time of light flight be multiplied by the light velocity divided by 2 ± and code system 3D hologram sensor-based system 1 between displacement be exactly the distance of point on actual object 600 and code system 3D hologram sensor-based system 1 divided by 2, multiple point, multiple directions, different time and frame construct the position of object 600 in space, form, the information such as size, disturb solution mutually: multiple code system 3D hologram sensor-based system 1 at one time the same space use time, the interference problem of Signal averaging may be there is each other and then affect it and normally work, feature light source receiving system 3 is after the specific time receives interference, the appearance of problem can be avoided by the relative position of full frame period 500 in the frequency of modulating transformation full frame period 500 and full frame period 500 frequency, because three-dimensional environment relevant information exists certain application demand, the investigative range that different application needs is different, in historical facts or anecdotes border, the light signal flight time customizes as required, with the speed of 10Gbps, full frame period 500 frequency is 100Hz, 44 bit code systems, 1km investigative range is example, sending or receiving frame data accounting in one-period frequency is (100Hz × 44bit) ÷ 10Gbps=100 × 44 ÷ 10737418240 ≈ 1/2440322, the time that one frame data light signal flies in atmosphere accounting in one-period frequency is 2 × (1 ÷ 299792.485) ÷ (1/100) ≈ 1/1500, so accounting in one-period frequency is 2 × 1/2440322+1/1500=0.000667486 ≈ 1/1500 data input and data output and flight time accumulation, this numeral explanation is the transmission of data in a unit of 100Hz in one-period frequency, transmission, reception occupies only about 1/1500 bandwidth resources, all the other are 1499/1500 vacant, modulation full frame period 500 frequency and the relative position of full frame period 500 in one-period frequency and occurrence number finally can avoid the problem of Signal averaging, and then solve mutual interference problem.
As Fig. 4, shown in 5, three-dimensional information gathers and generates code system 3D hologram image space 700: independent characteristic light code 400 is sent by independent characteristic light-source system 2 and is irradiated on object 600 through three dimensions, independent characteristic light code 400 turns back to feature light source receiving system 3 by object 600 surface reflection, by the signals collecting to photoelectric sensors 11 different in feature light source receiving system 3, the time of the independent characteristic light code 400 collected and photoelectric sensor 11 relative position calculate the angle of object 600, position and distance, distance=time x the light velocity/2 of certain point and photoelectric sensor 11 on object 600, by the point of the actual object 600 corresponding to each photoelectric sensor 11 being constructed the 3D hologram image data point (f(x) that computing machine can identify, f(y), f(z) point) converges conjunction, simulating the image constructed in a computer is exactly 3D hologram picture frame, 3D hologram picture frame connecting structure forms 3D hologram image space 700.

Claims (5)

1. a code system 3D hologram sensor-based system building method, is characterized in that: code system 3D hologram sensor-based system is made up of independent characteristic light-source system and feature light source receiving system, be set as holographic wave band between spectral range 120nm ~ 13850nm, independent characteristic light source is defined in some definite values in holographic wavelength band or an interval range in holographic wave band, set up independent characteristic light-source system, according to actual application environment, the wave band of selective light, and require design light emitting source equipment according to wave band, also need to mate communicating circuit after light emitting source selection of equipment, control circuit, make light emitting source equipment can according to working control need carry out switching operations, the unit length of the switch beginning and ending time of a work period of independent characteristic light-source system is feature light source standard, the time span set between independent characteristic light source standard is between feature light source, independent characteristic light source and light emitting source equipment, communicating circuit, control circuit constitutes independent characteristic light-source system, set up feature light source receiving system, feature light source receiving system is by photoelectric sensor array, bandpass filter, neighbourhood noise cut-off filter and lens combination composition, photoelectric sensor receives illumination and to induct electron stream, electron stream of inducting is amplified by multiplier in photoelectric sensor, by to the measurement of electron stream to realize the judgement receiving data, a photoelectric sensor is an elementary cell, multiple photoelectric sensor unit is laid and then generates photoelectric sensor array according to the horizontal longitudinal arrangement of certain distance, bandpass filter is laid on photoelectric sensor array illumination side, effect is the independent characteristic light source of effect of isolating from physical environment light, neighbourhood noise cut-off filter is laid on photoelectric sensor array illumination side, effect is the noise be with together with independent characteristic light source in filtering physical environment, by the adjustment to noise cutting off wave filter transmittance, absorb the independent characteristic light source existed in natural light and be with noise together, and to greatest extent by independent characteristic light source, lens combination is laid on photoelectric sensor array illumination side, formed by one or more montage, the major function of lens combination collects illuminated object reflection ray and by its focus projection on photoelectric sensor array.
2. a kind of code system 3D hologram sensor-based system building method according to claim 1, it is characterized in that, set up feature light source: the light signal that in code system 3D hologram sensor-based system, independent characteristic light-source system sends only has oneself the receiving system identification of feature light source and process, feature light source to comprise in independent characteristic light-source system relatively-stationary standard and and feature light source receiving system in relatively-stationary every with shutter closure time, independent characteristic light-source system and feature light source receiving system palpus pattern match, namely the length between a standard and one and must be one every with a shutter closure time length and positive integer doubly, setting this positive integer multiple is 1 times, the time sending light signal feature light source receiving system receiving optical signals after reflections off objects due to independent characteristic light-source system is uncertain, the light signal of an independent characteristic light source may exist take two adjacent feature light source receiving systems every situation, solution is the harbour being more than or equal to 2 light signal length at the front end preseting length of independent characteristic light code, ad-hoc location preseting length in independent characteristic light code is more than or equal in the code of 2 light signal length, the code tail of 2 light signal length is more than or equal at rear end preseting length, signal after harbour and its, code neutralizes the signal between it, code tail and the signal before it make a mistake, system can according to harbour, in code, code tail every in situation mistake identified and the rub-out signal read repaired, set up independent characteristic light code: each things and other things are opposed existence, for realizing feature difference between things, set up binary coding system, by the equal absolute coding of light signal of each code system 3D hologram sensor-based system, distinguished, such process we be referred to as to set up independent characteristic light code, under the condition possessing independent characteristic light source, set up independent characteristic light code process is: in binary digit, bits per inch word can only be 0 or 1 two kind, and the light signal that independent characteristic light source sends also exists two kinds of situations, Kai Heguan, open as 1 with independent characteristic light source, close as 0 with independent characteristic light source, using standard with every the position as independent characteristic light source and feature light source receiving system, so, adjacent standard and every the data bit being exactly adjacent transmission and reception, the switching process of independent characteristic light source with standard and quantity, the scale-of-two ordered series of numbers being equivalent to 1 of binary number, 0 and being formed with it, scale-of-two ordered series of numbers can be distinguished mutually, and the information that the number in different numerical digits and different numerical digits determines representated by it is different, like this, also just achieves the difference of mutual feature between independent characteristic light code.
3. a kind of code system 3D hologram sensor-based system building method according to claim 1, it is characterized in that, the figure place that 44 bit codes formulate the effective scale-of-two ordered series of numbers of justice is 44, 44 bit codes are shaped with outside effect scale-of-two ordered series of numbers can add harbour, in code, code tail, can hold in 44 bit code systems and distinguish 17592186044416 different code system 3D hologram sensor-based systems, 8 as country code or function application code in the past, 256 different countries or 256 kinds of different function application can be held, with after six and six afterwards six represent different provinces and city or application mandate classification in country, so each country can hold 64 each provinces of province can hold 64 cities, also can be expressed as each country and have 4096 basic administrative area under one's jurisdictions, or have 4096 to apply mandate classification, later 24 bit representation cities or basic administrative local code system 3D hologram sensor-based system, so, each city or basic administrative area under one's jurisdiction can hold and distinguish 16777216 different code system 3D hologram sensor-based systems.
4. a kind of code system 3D hologram sensor-based system building method according to claim 1, it is characterized in that, light bit rate feature, full frame period feature, flight time characteristic sum disturbs solution mutually: light bit rate: independent characteristic light-source system opens and closes the clock period of light source, standard adds the length between one exactly, each clock period independent characteristic light-source system can send a signal, the photoelectric sensor of feature light source receiving system receives and exports the electric signal of a pixel, clock period is shorter, to send and to receive pixel data faster, it is per second that to send the induct frequency of electric pulse of light code in light signal and the pixel that receives more, every, between, the frequency of standard and shutter closure time is higher, each clock period is defined as a data bit, its unit is bit, digit rate is the data bits unit of transmission per second is bps, speed is that frame per second provides prerequisite and basis, full frame period: complete an independent characteristic light code and send and repeatedly receive the time being reflected back independent characteristic light code, full frame period passes through once transmission independent characteristic light code and is set in reception on the photoelectric sensor array of feature light source receiving system to return independent characteristic light code frequency and number of times, realize the two field picture to space environment, all data of a full frame period represent a two field picture hologram three-dimensional environment, flight time feature: the speed of light is 299792.485 thousand meter per seconds, the distance of point on object and code system 3D hologram sensor-based system can be measured by the light flight time, independent characteristic light-source system sends the point of light signal to certain object, the ray cast that this point reflection returns is in the photoelectric sensor pixel of feature light source receiving system photoelectric sensor array, the time that this optical signal experiences reflects the distance of the point on the light source of code system 3D hologram sensor-based system and pixel and object, reflect the direction residing for this point relative code system 3D hologram sensor-based system pixel simultaneously, namely the light that on object, point reflection returns is certain via the lens combination position projected in photoelectric sensor pixel, independent characteristic light-source system and feature light source receiving system are passed through closely integrated its spacing and can be ignored, being multiplied by the light velocity divided by 2 in the time of this stage glazing flight is exactly the distance of this point to this pixel, consider that this point and code system 3D hologram sensor-based system move mutually, its position may change, so, time of light flight be multiplied by the light velocity divided by 2 ± and code system 3D hologram sensor-based system between displacement be exactly the distance of point on actual object and code system 3D hologram sensor-based system divided by 2, multiple point, multiple directions, different time and frame construct the position of object in space, form, the information such as size, disturb solution mutually: multiple code system 3D hologram sensor-based system at one time the same space use time, the interference problem of Signal averaging may be there is each other and then affect it and normally work, feature light source receiving system is after the specific time receives interference, the appearance of problem can be avoided by the relative position of full frame period in the frequency of modulating transformation full frame period and a full frame period frequency, because three-dimensional environment relevant information exists certain application demand, the investigative range that different application needs is different, in historical facts or anecdotes border, the light signal flight time customizes as required, with the speed of 10Gbps, full frame period frequency is 100Hz, 44 bit code systems, 1km investigative range is example, sending or receiving frame data accounting in one-period frequency is (100Hz × 44bit) ÷ 10Gbps=100 × 44 ÷ 10737418240 ≈ 1/2440322, the time that one frame data light signal flies in atmosphere accounting in one-period frequency is 2 × (1 ÷ 299792.485) ÷ (1/100) ≈ 1/1500, so accounting in one-period frequency is 2 × 1/2440322+1/1500=0.000667486 ≈ 1/1500 data input and data output and flight time accumulation, this numeral explanation is the transmission of data in a unit of 100Hz in one-period frequency, transmission, reception occupies only about 1/1500 bandwidth resources, all the other are 1499/1500 vacant, modulation full frame period frequency and the relative position of full frame period in one-period frequency and occurrence number finally can avoid the problem of Signal averaging, and then solve mutual interference problem.
5. a kind of code system 3D hologram sensor-based system building method according to claim 1, it is characterized in that, three-dimensional information gathers and generates 3D hologram image space: characteristic light code is sent by independent characteristic light-source system and is irradiated on object through three dimensions, characteristic light code turns back to feature light source receiving system by body surface reflection, by the signals collecting to photoelectric sensors different in feature light source receiving system, the time of the characteristic light code collected and photoelectric sensor relative position calculate the angle of object, position and distance, distance=time x the light velocity/2 of certain point and photoelectric sensor on object, by the point of the actual object corresponding to each photoelectric sensor being constructed the 3D hologram image data point (f(x) that computing machine can identify, f(y), f(z) point) converges conjunction, simulating the image constructed in a computer is exactly 3D hologram picture frame, 3D hologram picture frame connecting structure forms 3D hologram image space.
CN201410617066.5A 2014-11-06 2014-11-06 Constructing method for code-system three-dimensional holographic sensing system Pending CN104331923A (en)

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