CN105138119A - Stereo vision system with automatic focusing controlled based on human biometrics - Google Patents

Stereo vision system with automatic focusing controlled based on human biometrics Download PDF

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CN105138119A
CN105138119A CN201510469714.1A CN201510469714A CN105138119A CN 105138119 A CN105138119 A CN 105138119A CN 201510469714 A CN201510469714 A CN 201510469714A CN 105138119 A CN105138119 A CN 105138119A
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module
user
processing module
information
control
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阎勇
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Hunan Qidi Vision Technology Co Ltd
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Hunan Qidi Vision Technology Co Ltd
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Abstract

The present invention discloses a stereo vision system with automatic focusing controlled based on human biometrics, wherein the pupil tracking technology, the brain awareness control technology, the gesture recognition technology, the voice control technology, and the keyboard are used to control movement of a camera system and to implement functions such as photographing, video shooting, and navigation. The camera system, a person, a microcomputer processing module form a closed loop system, achieving the advantages of fast response and high reliability. Adjustable liquid lens imaging is applied to smart glasses, so that a wider scene can be clearly seen, and a telescopic capability is achieved; and dual cameras are applied to the smart glasses, so that depth information is added, an obtained image provides a stereoscopic visual sense, and a good visual experience is provided for users.

Description

A kind of stereo visual system controlling autozoom based on human body biological characteristics
Technical field
The present invention relates to a kind of stereo visual system controlling autozoom based on human body biological characteristics.
Background technology
At present, Wearable digital equipment is very popular, and the exploitation of Intelligent worn device is also more and more hotter, and Intelligent worn device comprises the products such as intelligent glasses, intelligent watch, Intelligent bracelet.Intelligent glasses refers to as smart mobile phone, there is independently operating system, the program that can be provided by software houses such as user installation software, game, by voice or action manipulated adding schedule, digital map navigation, interactive with good friend, take pictures and video, launch the functions such as video calling with friend, and the general name of such class glasses of wireless network access can be realized by mobile communication network.
Information is directly presented to the ear of people and eyes the most nearby by the intelligent glasses in digital device field, give the approach of people's obtaining information more easily, the camera shooting imaging of current intelligent glasses many employings fixed focal length, can not focus, to look in the distance ability, limit the visual field that user looks around.And what mostly adopt is single camera imaging, can not form parallax, not have depth information, not have sense of stereoscopic vision.A kind of intelligent glasses with the ability of looking in the distance and sense of stereoscopic vision is released in market in urgent need, meets the demand of consumer entertainment living and studying work.
Summary of the invention
Technical matters to be solved by this invention is, not enough for prior art, provides a kind of stereo visual system controlling autozoom based on human body biological characteristics.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of stereo visual system controlling autozoom based on human body biological characteristics, comprising:
Eyeglasses frame body;
Two photographing modules, are arranged on the eyeglass of eyeglasses frame body respectively, for by the scene shot imaging in the visual field, and imaging are directly projected into human eye after processing module process;
Induction module, is arranged on described eyeglasses frame body, comprises for gathering client iris information, and sends client iris information the iris image acquiring module of processing module to; For gathering user's brain wave, and brain wave is sent to the human brain consciousness acquisition module of processing module; For consumer positioning pupil, then send steering order according to the motion of user's pupil, and steering order is sent to the pupil tracing module of processing module; For gathering user's gesture information, and described gesture information is sent to the gesture recognition information acquisition module of processing module; And, for gathering user speech information, and send described voice messaging the voice acquisition module of processing module to;
Processing module, be arranged on described eyeglasses frame body, for the treatment of photographing module imaging, process brain wave data, steering order, gesture information, voice messaging simultaneously, and send the brain wave data after process, steering order, gesture information, voice messaging to control module;
Control module: be fixed on described eyeglasses frame body, focuses on for controlling photographing module according to brain wave information, user's pupil position information, gesture information or voice messaging, controls according to the pupillomotor steering order of user the direction of motion of the unlatching of photographing module and camera, controls induction module according to gesture information, the unlatching of photographing module or closedown, to control induction module, the unlatching of photographing module or closedown according to voice messaging.
Described processing module is communicated by bluetooth communication with described control module.
Also comprise the projection module be arranged on eyeglass, described photographing module imaging projects in external object by described projection module.
Described processing module model is S3C2440.
Compared with prior art, the beneficial effect that the present invention has is: the mutual control method of intelligent glasses that the present invention adopts is based on intelligent glasses microcomputer processing module, utilize the technology such as brain mind control, pupil tracer technique, Keyboard Control, gesture identification and Voice command to achieve accurately to control flexibly, improve system stability and operability.Keyboard Control is convenient succinct, by force handling; Control photographing module focal imaging by brain mind or pupil tracer technique, avoid the mistake response of system, and solve the problem of the sense of fatigue that simple gesture operation overlong time easily produces; Gesture identification and Voice command play supplementary function in systems in which, ensure that the stability of system, improve the system mean free error time.Above-mentioned various control technology all has power switch, user can close the function of opening appropriate section at any time according to self needing, this method ensure that intelligent glasses battery durable ability, and make the use-pattern of intelligent glasses abundanter, be also convenient to this system and better use in different environment.The present invention proposes autozoom imaging, which utilizes the principle of adjustable focus liquid lens suspension control signal effect zoom, realize instant varifocal imaging.Adjustable focus liquid lens in very large range can convert focal length and realize looking in the distance, and obtains the field angle of different width, and imaging scene is large, achieves the function of looking in the distance, for user adds the more amusement functions based on looking in the distance.And liquid lens volume is little, quality is light, and the advantages such as control method is uncomplicated manufacture for it is industrial and reduce cost.The present invention adopts two cameras to realize stereoscopic vision, the photographing module of adjustable focus liquid lens formation is installed in Brilliant Eyes mirror holder symmetria bilateralis, this depth information certain for imaging adds, imaging is made more to have stereoscopic sensation, the imaging texture of dual camera is better than single camera, and brings more comfortable visual experience for user.The present invention directly projects the method into human eye after proposing first to process then projection or process to image after photographing module imaging, make imaging more more specifically clear to a certain extent.The rectifiable difference of utilization of image processing techniques, mist elimination, enhancing image, make image import human eye into more clearly, improves ability of looking in the distance and the image quality of system further.The present invention proposes to need the design first carrying out authentication when user uses intelligent glasses, ensure that the rights of using of user, protects the individual privacy of user.
Accompanying drawing explanation
Fig. 1 is that camera symmetry is arranged on the intelligent glasses schematic diagram of glasses both sides by projection imaging;
Fig. 2 is the intelligent glasses schematic diagram directly projected after camera symmetry is arranged on drawing axis imaging into human eye;
Fig. 3 is the schematic flow sheet that brain mind controls;
Fig. 4 is the schematic flow sheet of pupil tracer technique;
Fig. 5 is gesture identification and voice-operated schematic flow sheet;
The schematic flow sheet of Fig. 6 Keyboard Control.
Embodiment
Type of the present invention devises two kinds of realization means.The first realization means is: processing module receives the signal based on the transmission of human-body biological characteristic and carries out analyzing and processing, parse the intention of user, then send a signal to control module and then control photographing module varifocal imaging, formed image is passed to projection module and is projected into human eye again by photographing module.The ingredient of the system designed by this realization means comprises: intelligent glasses mirror holder main body module, for loading other modules composition intelligent glasses; Photographing module, symmetry is arranged on eyeglasses frame main body both sides, for obtaining scene information; Processing module, is arranged on picture frame side, for the treatment of information; Projection module, symmetry is arranged on eyeglass front, and the picture that camera system becomes projects into human eye after the technical finesses such as optical projection system correction enhancing; Induction module, is arranged on eyeglasses frame main body side.First aspect present invention embodiment proposes this realization means.The second realization means is: processing module receives the signal based on the transmission of human-body biological characteristic and carries out analyzing and processing, parse the intention of user, then send a signal to control module and then control photographing module varifocal imaging, formed image directly projects into human eye by photographing module.The ingredient of the system designed by this realization means comprises: intelligent glasses mirror holder main body module, for loading other modules composition intelligent glasses; Photographing module, symmetry is arranged on eyeglass, and the picture that camera system becomes directly enters human eye after treatment; Processing module, is arranged on picture frame side, for the treatment of information; Induction module, is arranged on eyeglasses frame main body opposite side.Second aspect present invention embodiment proposes this device.These two kinds of system and devices all overcome existing intelligent glasses autozoom, ability of looking in the distance, single camera imaging can have sense of stereoscopic vision and the deficiency such as control technology error is large, the all mistakes of two germlines control camera zoom based on human body biological characteristics, realization is looked in the distance, adopt two zoom camera to provide depth information for human body, realize stereoscopic vision.
In the present invention, microcomputer processing module utilizes iris recognition technology to verify user identity before use, determines whether user has rights of using.Due to arm processor high-performance, low-power consumption, low price, there is the advantage such as the abundant chip selected and third party's support widely, we select ARM chip in the microcomputer processing module of intelligent glasses of the present invention, but the present invention is not limited to use ARM chip.
Technical scheme of the present invention also comprises: based on the control method of human body biological characteristics, namely adopts brain mind control, method that pupil tracer technique, Keyboard Control, gesture identification combine with Voice command.Brain mind controls to refer to collect the signal of brain mind by microcomputer processing module and analyze, and parses the intention of user, then sending controling instruction and then the imaging of control photographing module.Pupil tracer technique refers to the intention being differentiated user by the oculopupillary motion of tracker, and then controls photographing module imaging.Adopt pupil tracer technique to give different control implications to human eyeball's pupil movement direction, microcomputer processing module response limiting implication, export steering order and control photographing module imaging.Keyboard Control adopts Bluetooth technology to send the operation information of keyboard to microcomputer processing module, makes it control photographing module imaging.Voice control technology refers to that microcomputer processing module processes to control photographing module imaging to user's voice.The employing of gesture identification refers to by identifying that the motion of gesture controls photographing module imaging, and by gesture motion and photographing module motion one_to_one corresponding.
Technical scheme of the present invention also comprises: the human-eye stereoscopic vision system realizing looking far into the distance of two zoom camera imaging.Camera adopts focusing lens, and micro-computer processing system controls it and realizes focusing.Because adjustable focus liquid lens changes focal length by the curvature changing liquid, do not need to be equipped with mechanical part, and focusing range is wide, can realize advantages such as looking in the distance.Adjustable focus liquid lens is all adopted, as Arctic32 or Arctic416 using French VARIOPTIC company to release in embodiments of the invention.
Technical scheme of the present invention also comprises: the stereo visual system of dual camera composition.The photographing module of adjustable focus liquid lens formation is installed and used, the similar eyes imaging vision system of this device in Brilliant Eyes mirror holder symmetria bilateralis.The use of dual camera provides parallax for stereoscopic vision, presents depth information, achieves sense of stereoscopic vision.
Fig. 1 is the intelligent glasses apparatus structure schematic diagram that one embodiment of the invention propose, and this device comprises intelligent glasses mirror holder main body module 11, photographing module 121 and 122, processing module 13, projection module 141 and 142, and induction module 15.
Intelligent glasses mirror holder main body module 11(and eyeglasses frame body), for loading other modules composition intelligent glasses;
The position be arranged near human eye in eyeglasses frame of photographing module 121 and 122 symmetry, for obtaining scene information;
Processing module 13 is arranged on picture frame side, and for the treatment of information, it comprises authentication module, signal receiving module, processing module;
Projection module 141 and 142 symmetry be arranged on eyeglass front, photographing module become picture project into human eye after the technical finesses such as projection module correction enhancing;
Induction module 15 is arranged on eyeglasses frame main body side, comprises iris image acquiring module, human brain consciousness acquisition module, pupil tracing module, Bluetooth communication modules, gesture recognition information acquisition module and voice acquisition module.
Photographing module 121 and 122 obtains scene information, respectively to the scene shot imaging in the visual field, projects into human eye after then being processed by image through projection module.The method that user can adopt brain mind control according to oneself to the demand of scene, pupil tracer technique, Keyboard Control, gesture identification combine with Voice command controls photographing module.The specific implementation of these control technologys below in embodiment composition graphs 3, Fig. 4, Fig. 5 and Fig. 6 describe in detail.
The present embodiment establishes a kind of structure of intelligent glasses device, and is described the installation of correlation module and function, and is illustrated the control procedure of the intelligent glasses device of this structure.
Fig. 2 is the intelligent glasses apparatus structure schematic diagram that another embodiment of the present invention proposes, and this device comprises intelligent glasses mirror holder main body module 11, photographing module 121 and 122, processing module 13 and induction module 15.
Intelligent glasses mirror holder main body module 11 is for loading other modules composition intelligent glasses;
Photographing module 121 and 122 symmetry be arranged on eyeglass front, for obtaining scene information, camera system become picture directly project into human eye after treatment;
Processing module 13 is arranged on picture frame side, and for the treatment of information, it comprises authentication module, signal receiving module, processing module;
Induction module 15 is arranged on eyeglasses frame main body side, comprises independent current source, induction module and earphone.Induction module comprises iris image acquiring module, human brain consciousness acquisition module, pupil tracing module, Bluetooth communication modules, gesture recognition information acquisition module and voice acquisition module.
Photographing module 121 and 122 obtains scene information, respectively to the scene shot imaging in the visual field, directly projects into human eye after then being processed by image.The method that user can adopt brain mind control according to oneself to the demand of scene, pupil tracer technique, Keyboard Control, gesture identification combine with Voice command controls photographing module.
When user uses intelligent glasses, first authentication is carried out to user, iris image acquiring module acquires client iris information, by differentiating user's rights of using to the iris comparison of user.Specific operation process is as follows, and first we prestore to the iris of user, and setting rights of using, except user, other people cannot open intelligent glasses.The iris of user all will be obtained when user uses at every turn, the iris information collecting user is input to intelligent glasses by us, described iris and the iris that prestores are compared, when two groups of irises belong to same user, intelligent glasses is opened, and user can carry out function activation by waking voice up to the intelligent glasses after unlatching.Certainly, user can reset iris information by password password and wash former set information, amendment rights of using.Iris information due to everyone is unique, and this auth method error is little, and well protects the individual privacy of user.
Fig. 3 is the schematic flow sheet that another embodiment of the present invention brain mind controls, and this control flow comprises with lower module: human brain consciousness acquisition module, processing module, control module.The wherein input of the output connection handling module of human brain consciousness acquisition module, the input of the output link control module of processing module.When human brain consciousness controls photographing module focal imaging, human brain consciousness acquisition module gathers current brain wave, and brain is sent consciousness electrical signal collection out pass to processing module, processing module by computing by instruction by control module control photographing module focus on.Patent 201310230317.X gives a kind of method that brain mind controls game machine, and its principle of work is the same with control photographing module, has realizability.That in patent 201310230317.X, the model of processor is selected is S3C2440, so the processing module locating us also can select S3C2440, but the invention is not restricted to use S3C2440.
Fig. 4 is the schematic flow sheet of another embodiment of the present invention pupil tracer technique, and this control flow relates to lower module: pupil tracing module, processing module, control module.The wherein input of the output connection handling module of pupil tracing module, the input of the output link control module of processing module.
The feature of pupil tracer technique is: utilize eyes different parts different with refraction to the reflection of infrared light, the reflection of pupil to infrared light is the most weak, thus pupil is black under the irradiation of infrared light, and the eyes of feature to people that other parts are not black position.Patent 201310501357.3 proposes a kind of Eye-controlling focus method based on corneal reflection, calculates spot center position by centroid method, adopts related algorithm accurately to locate pupil according to spot center position.This patent gives the mapping relations between pupil center and sensor.We can according to this mapping relations, relevant steering order is given to the oculopupillary motion of people, such as, eye closing expression is taken pictures, the instruction of twice continuous nictation represents certain function opening intelligent glasses, human eye pupil moves upward and namely controls camera upwards, and human eye pupil moves downward that namely to control camera downward etc.We also can leave the corresponding relation of these eye motion and steering order in advance in the storage chip of intelligent glasses, carry out searching obtaining corresponding steering order by the eye motion obtained in storage chip.
Object through camera imaging is projected into eyes imaging, and object around observed by the picture that user becomes by photographing module, and when user changes the observation to the different things at a distance of different angles, we adopt pupil tracer technique to control photographing module.Focus on by controlling camera system to the tracking of user's sight line, by user's sight line moving direction and liquid lens focus direction one_to_one corresponding, can accomplish sight line upwards downwards or move right left time, camera is followed equidirectional to move and is focused on according to pupil size.The promptness of both guarantees and synchronism, realize zoom function and link up the multiple functions such as amusement, reaches the object not by surrounding environment and physical disturbances restriction.
Fig. 5 is another embodiment of the present invention gesture identification and voice-operated schematic flow sheet.This control flow comprises with lower module: gesture voice acquisition module, processing module, control module.The wherein input of the output connection handling module of gesture voice acquisition module, the input of the output link control module of processing module.Gesture identification process comprises: gesture voice acquisition module carries out video image acquisition to obtain the gesture of user; Processing module is analyzed user's gesture, parses corresponding steering order, then the steering order parsed is issued control module; Control module controls intelligent glasses according to steering order.Wherein, gesture can comprise the action of user's hand and the action of arm, and such as, user holds fist, and user's hand launches, and user holds fist and arm lifts; Gesture can also comprise the motion of user's hand continuous print, and such as, user's hand moves up and down twice, and user's hand seesaws twice, and user holds fist and then launches.
Intelligent glasses can obtain the intention of user to the gesture analysis of user, we can give various different control implication to the gesture of user.Such as fisted gesture represents certain function opened intelligent glasses or open intelligent glasses, such as, take pictures, recording etc.; Or user is with finger to certain point in scene, and photographing module, to the Scenery Imaging centered by this point, is wanted to see the requirement which where is just seen to reach user.Picture operation can also be controlled, enquiring route, video capture etc. by gesture.
Voice command refers to the password sent according to user, and microcomputer processing module processes the voice signal received, and sends out control information, thus regulation and control intelligent glasses.Speech control module also can be taken a picture according to the order of user, video record, the functions such as navigation.
Object through camera imaging is projected into eyes imaging, object around user's observable, when user changes the observation to the different things at a distance of different angles, the technology that we adopt gesture identification to combine with Voice command herein controls photographing module.The corresponding relation that we prestore between lower gesture and steering order in the storage chip of intelligent glasses, carries out searching the steering order that can obtain correspondence in storage chip by the gesture obtained.In the control of photographing module, we allow the action of user's gesture and the motion one_to_one corresponding of photographing module, can accomplish gesture upwards downwards or move right left time, camera follows equidirectional to move line focusing of going forward side by side, gesture is moved continuously and is realized taking pictures for twice, repeats gesture and opens the functions such as navigation.
The present embodiment proposes a kind of control method that gesture identification combines with Voice command, without the need to touching, only needs simple gesture motion to complete control.
Fig. 6 is the schematic flow sheet of another embodiment of the present invention Keyboard Control.This control flow comprises with lower module: keyboard, processing module, control module.Wherein keyboard by Bluetooth technology to processing module move instruction, the input of the output link control module of processing module.The method is as follows, user controls photographing module by operation keyboard and to focus on or to take pictures etc. function, when user presses the button setting function on keyboard, keyboard instruction is transferred to microcomputer processing module by Bluetooth technology by system automatically, instruction is passed to control module by computing by microcomputer processing module, and control module controls the focusing of photographing module or directly realizes functions such as taking pictures.
Above control technology can use separately or jointly, and each control module has power switch, and user can like according to environment and self and chooses.
Camera system adopts adjustable focus liquid lens.This product also can select the focusing lens of other kinds, because adjustable focus liquid lens gets most of the attention because possessing the advantages such as volume is little, lightweight, imaging is good, focusing is convenient, therefore prioritizing selection adjustable focus liquid lens.Present global You Duo company is researching and producing adjustable focus liquid lens, France Optical Co., Ltd VARIOPTIC is proposed the liquid lens of a lot of money function admirable, wherein there is a liquid lens Arctic416, its diameter is less than 8mm, thickness is less than 2mm, and focusing power is strong, power consumption is few, precision is high, the life-span is long.The very applicable intelligent glasses of function of this liquid lens autozoom and focusing uses.Therefore all use the Arctic416 that this French VARIOPTIC company produces in the embodiment of the present invention, but the present invention is not limited to the liquid focusing lens of this model.
In the embodiment of the present invention, microcomputer processing module controls lens focusing by making its summary responses to control module input signal, thus achieves photographing module focusing imaging, can look around the object in each orientation at a distance nearby, improve the ability of looking in the distance.
In the embodiment of the present invention, camera system adopts dual camera, as Fig. 1, at glasses two ends, symmetry installs two cameras, adopts identical control method, and inputs identical control signal, make the response of two cameras also be the same, ensure that the symmetry of eyes.Dual camera provides parallax for user, and produce depth information, the scene that user is observed more has sense of stereoscopic vision.
In the embodiment of the present invention, camera system, people and micro-computer processing system form a closed-loop system, form a stable system.
In the embodiment of the present invention, after photographing module adopts mist elimination to strengthen the image processing techniques process such as correction to imaging, through projection module or directly project into human eye.

Claims (5)

1. control a stereo visual system for autozoom based on human body biological characteristics, it is characterized in that, comprising:
Eyeglasses frame body (11);
Two photographing modules (121,122), are arranged on the eyeglass of eyeglasses frame body (11) respectively, for by the scene shot imaging in the visual field, and project into human eye by imaging after strengthening correcting process;
Induction module (15), being arranged on described eyeglasses frame body (11), comprising for gathering client iris information, and send client iris information the iris image acquiring module of processing module (23) to; For gathering user's brain wave, and brain wave is sent to the human brain consciousness acquisition module of processing module (23); For consumer positioning pupil, then send steering order according to the motion of user's pupil, and steering order is sent to the pupil tracing module of processing module (23); For gathering user's gesture information, and described gesture information is sent to the gesture recognition information acquisition module of processing module (23); And, for gathering user speech information, and send described voice messaging the voice acquisition module of processing module to;
Processing module (23), be arranged on described eyeglasses frame body (11), for the treatment of brain wave data, steering order, gesture information, voice messaging, and send the brain wave data after process, steering order, gesture information, voice messaging to control module;
Control module: be fixed on described eyeglasses frame body (11), for controlling photographing module (121 according to brain wave information, user's pupil position information, gesture information or voice messaging, 122) focus on, control photographing module (121 according to the pupillomotor steering order of user, 122) unlatching and the direction of motion of camera, induction module (15), photographing module (121 is controlled according to gesture information, 122) unlatching or closedown, induction module (15), the unlatching of photographing module (121,122) or closedown is controlled according to voice messaging.
2. the stereo visual system controlling autozoom based on human body biological characteristics according to claim 1, it is characterized in that, described processing module (23) is communicated by bluetooth communication with described control module.
3. the stereo visual system controlling autozoom based on human body biological characteristics according to claim 1, it is characterized in that, also comprise the projection module (141) be arranged on eyeglass, described photographing module (121,122) imaging projects in external object by described projection module.
4., according to the stereo visual system controlling autozoom based on human body biological characteristics one of claims 1 to 3 Suo Shu, it is characterized in that, described processing module (23) model is S3C2440.
5. the stereo visual system controlling autozoom based on human body biological characteristics according to claim 4, it is characterized in that, described photographing module (121,122), induction module (15), processing module (23), control module are respectively connected with the power supply be fixed on described eyeglasses frame body (11) by a power switch.
CN201510469714.1A 2015-08-04 2015-08-04 Stereo vision system with automatic focusing controlled based on human biometrics Pending CN105138119A (en)

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