CN104506721A - Self-timer system and use method for mobile phone camera - Google Patents
Self-timer system and use method for mobile phone camera Download PDFInfo
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Abstract
The invention relates to a self-timer system and a use method for a mobile phone camera. The self-timer system comprises a multimedia camera. The self-timer system is characterized by also comprising a self-timer rule setting function module, a self-timer control function module, an image detection function module, a file system, a timer, a Speech Command module, a Text to Speech module and an audio player. The use method comprises the following basic steps of enabling a user to set an event for triggering the self-timer, enabling the user to use speech command to trigger the self-timer, and triggering the self-timer and the self-timer process through the rule. The self-timer system and the use method have the advantage that a human face, an included angle between the human face and a shooting view finding window, and the location information of the human face in the shooting view finding window are detected by setting up an image detection algorithm, the information is converted into voice, and the voice is fed back to the user in real time, so as to realize the optimum effect that the user can continuously adjust the self-timer angle and distance.
Description
Technical field
The invention belongs to cell phone cameras technical field, particularly relate to a kind of self-heterodyne system and using method of cell phone cameras.
Background technology
Using mobile phone to autodyne is one of function of commonly using of cellphone subscriber.The main camera of mobile phone is usually high than front-facing camera configuration, user tends to autodyne with main camera, but because mobile phone generally only has a screen, and on mobile phone, do not configure camera physical button, user is when autodyning with main camera, screen back, cannot preview facing to user, even cannot accurately press the button of taking pictures.For overcoming the deficiencies in the prior art, Chinese patent 201210267566.1 proposes " a kind of taking photograph of intelligent mobile phone bootstrap technique based on images match ", the method the mobile phone photograph interface before shooting presets a closed area X for showing position residing on the final desired by the person of being taken, then with mobile phone camera, the person of being taken is carried out to the shooting of dynamic image, adopt sobel operator each frame to dynamic image to carry out portrait profile Y (i) to extract, camera is guided to rotate directly or indirectly by voice cue module or photoflash lamp flicker frequency or the person of being taken moves according to the position versus relation between the distance between closed area X and portrait profile Y (i) the regional center point of each frame and closed area X and Y (i), until closed area X overlaps substantially with portrait profile Y (i), then this frame image is taken out and preserve as final image.Although the method can solve the problem of the difficulty of finding a view existed when existing employing mobile phone post-positioned pick-up head carries out single auto heterodyne, but also exist following obviously not enough: one is the identification that this system only emphasizes to object, do not take into full account and the co-operation with user directly have influence on Consumer's Experience and shooting effect; Two is that this system does not utilize identifying information to realize the function of automatically autodyning, autodyne as camera time user wishes to smile starts, user wish portrait exceed certain hour quiescent time after camera start and to autodyne or user wishes that face is in camera in view area certain limit and starts and autodyne.Therefore, how to overcome the deficiencies in the prior art and become one of emphasis difficult problem urgently to be resolved hurrily in cell phone cameras technical field.
Summary of the invention
The object of the invention is the deficiency for overcoming existing for prior art and a kind of self-heterodyne system and using method of cell phone cameras are provided, the present invention is by setting up image detection algorithm, detect face, face and forms angle of finding a view of taking pictures, face is in the information of forms present position of finding a view of taking pictures, and convert this information to voice, Real-time Feedback to user, to reach the optimal effectiveness that user constantly can adjust auto heterodyne angle and distance.
According to the self-heterodyne system of a kind of cell phone cameras that the present invention proposes, comprise multimedia camera, characterized by further comprising auto heterodyne rule settings functional block, auto heterodyne control function block, image measuring ability block, file system, timer, Speech Command module, Text to Speech module and audio player, wherein: described auto heterodyne rule settings functional block, auto heterodyne control function block, image measuring ability block successively signal are bi-directionally connected and form auto heterodyne measurement and control unit; Described auto heterodyne control function block is connected with timer two-way signaling, auto heterodyne control function block, Text to Speech module are connected with audio player successively one way signal, auto heterodyne control function block is connected with multimedia camera one way signal, and Speech Command module is connected with auto heterodyne control function block one way signal; Described multimedia camera is connected with image measuring ability block and audio player one way signal respectively; Described auto heterodyne rule settings functional block is connected with file system two-way signaling.
The principle that realizes of self-heterodyne system of the cell phone cameras that the present invention proposes is: multimedia camera of the present invention by preview to pictorial information be constantly sent to image measuring ability block, the auto heterodyne rule that user sets by auto heterodyne rule settings functional block is saved in file system, auto heterodyne control function block is auto heterodyne control centre, rule is read from auto heterodyne rule settings functional block, be set to image measuring ability block with start detection, image measuring ability block carries out extracting and identifying pictorial information according to the detected rule that user sets, send the result of identification to auto heterodyne control function block, and produce feedback information and be sent to Text to Speech module, when testing result meets, auto heterodyne control function block sends the order starting to take to multimedia camera, Speech Command module accepts the phonetic entry of user, convert order to, be input to auto heterodyne control function block, timer is started by auto heterodyne control function block, timer is according to the sequential notice auto heterodyne control function block preset, thus complete whole auto heterodyne process.
The present invention compared with prior art its remarkable advantage is: one is the invention solves user when adopting main camera to autodyne, and screen back, facing to user, cannot obtain the problem of pre-review information and exact operations.Two is effects that the present invention gives full play to auto heterodyne measurement and control unit detection means, solves the difficult problem not using manual operation just can reach required picture shooting.Three is that user can in conjunction with the hobby of oneself pictures taken, and setting image rule reaches the object of auto heterodyne flexibly.
Accompanying drawing explanation
Fig. 1 is the structure block diagram of the self-heterodyne system of a kind of cell phone cameras that the present invention proposes.
Fig. 2 is that user uses main camera to carry out the schematic flow sheet automatically snapped.
Fig. 3 is that user arranges and detects trigger condition based on image and carry out the schematic flow sheet that automatically snaps.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
Composition graphs 1, the self-heterodyne system of a kind of cell phone cameras that the present invention proposes, comprise multimedia camera, auto heterodyne rule settings functional block, auto heterodyne control function block, image measuring ability block, file system, timer, Speech Command module, Text to Speech module and audio player, wherein: described auto heterodyne rule settings functional block, auto heterodyne control function block, image measuring ability block successively signal are bi-directionally connected and form auto heterodyne measurement and control unit; Described auto heterodyne control function block is connected with timer two-way signaling, auto heterodyne control function block, Textto Speech module are connected with audio player successively one way signal, auto heterodyne control function block is connected with multimedia camera one way signal, and Speech Command module is connected with auto heterodyne control function block one way signal; Described multimedia camera is connected with image measuring ability block and audio player one way signal respectively; Described auto heterodyne rule settings functional block is connected with file system two-way signaling.
The further preferred version of the self-heterodyne system of a kind of cell phone cameras that the present invention proposes is:
Described auto heterodyne rule settings functional block comprises editor's subblock, identifies and judge subblock and store subblock; Wherein: the regular editor that autodynes is responsible in the effect of editor's subblock, setting; Regular storage of autodyning is responsible in the effect storing subblock, reads; Identify and judge that regular use of autodyning is responsible in the effect of subblock, the judgement of rule of autodyning.When auto heterodyne rule meets, send order of autodyning.
Described auto heterodyne control function block comprises order input subblock and shooting controls subblock; Wherein: the effect of order input subblock receives timer, by outside inputs such as speech command, converts event to; The effect that shooting controls subblock is the shooting and the preview that control multimedia camera, obtains preview image and photographic images from multimedia camera.
Described image measuring ability block comprises image information input subblock, image testing result exports subblock and image information detects subblock; Wherein: the effect of image information input subblock obtains preview image and photographic images from multimedia camera, carries out preliminary treatment; It is utilize graph image algorithm that image information detects subblock effect, the smiling face of detection and Identification graph image, portrait area, the characteristic informations such as Boundary Recognition; It is exported by the characteristic results of graph image identification that image testing result exports subblock effect.
Described Text to Speech module is the chipspeech of serial communication code.
Described audio player is made up of suggestion voice and music synthesis chips and loud speaker.
In sum, a kind of function of each assembly of elements of self-heterodyne system of cell phone cameras that the present invention proposes is: multimedia camera provide take pictures, function and the interface such as preview and picture compression storage; Image measuring ability block provides the image algorithm such as rim detection and recognition of face, namely image graphics detection algorithm is utilized, such as smiling face is extracted from multimedia camera preview picture recognition, human face region, face with to take pictures forms angle of finding a view, whether face has subregion to be positioned to take pictures the information of finding a view outside forms; Described auto heterodyne rule settings functional block is responsible for user and is autodyned the increase of rule and preservation, and namely user can set and preserve auto heterodyne picture feature triggering rule, when multimedia camera take pictures the information characteristics of preview picture meet rule time, trigger camera self-timer; Auto heterodyne control function block is responsible for processing timer, and the event such as speech command, the judgement of auto heterodyne condition and condition control multimedia camera self-timer when meeting, the auto heterodyne triggering rule comparison that information and user set is obtained by multimedia camera preview picture Real-Time Monitoring, when condition meets, control multimedia camera and take pictures; The auto heterodyne that file system is used for preserving user's setting is regular; Timer can arrange timing, sends shooting order to be timed to multimedia camera in good time; The voice of user can be changed into the order that mobile phone can identify by Speech Command module, controlled multimedia camera afterwards take pictures by speech conversion command event through the conversion of auto heterodyne control function block; Text message is changed into voice messaging by Text to Speech module; Audio player provides the playing function of audio/speech, is namely used for playing voice and music information etc.
The using method of the self-heterodyne system of a kind of cell phone cameras that the present invention proposes, it is characterized in that comprising that user sets event to trigger auto heterodyne, basic step that user uses speech command to trigger to autodyne, triggered by rule auto heterodyne and auto heterodyne process, wherein:
Step 1, user sets event to trigger auto heterodyne:
Step 1.1, arranging timer is trigger condition;
Step 1.2, user sets timer duration;
Step 1.3, this setting is preserved by auto heterodyne rule settings functional block;
Step 1.4, enables timer triggering rule during auto heterodyne;
Step 1.5, user starts to autodyne.Confirm that timer starts to start;
Step 1.6, timer then, triggers and autodynes;
Step 2, user uses speech command to trigger and autodynes:
Step 2.1, it is trigger condition that user sets speech command;
Step 2.2, user records speech, becomes corresponding command by speech command module converts;
Step 2.3, this setting is preserved by auto heterodyne rule settings functional block;
Step 2.4, enables speech command triggering rule during auto heterodyne;
Step 2.5, user starts to autodyne;
Step 2.6, user sends speech command, triggers and autodynes;
Step 3, triggers auto heterodyne by rule:
Step 3.1, user sets image and is detected as trigger condition;
Step 3.2, setting image detected rule:
(a) when human face region and forms angle of finding a view be between a given zone;
B () to be found a view forms specific region when human face region is in; This specific region refers to one or several solid regions of horizontal and vertical setting;
C () detects smiling face;
D () people exceedes specific duration quiescent time;
Step 3.3, this setting is preserved by auto heterodyne rule settings functional block;
Step 3.4, enabling image detected rule during auto heterodyne is trigger condition;
Step 3.5, user starts to autodyne;
Step 3.6, the image information of preview, by preview mode, is sent to image measuring ability block by multimedia camera; This image measuring ability block extracts image information, is identified by graph image algorithm;
Step 3.7, detection and Identification result is detected trigger condition with the image of setting and compares by image measuring ability block, by text to acoustic conversion unit, by result constantly by voice message user, when rule meets, triggers and autodynes;
Step 4, auto heterodyne process:
Step 4.1, voice message shooting starts;
Step 4.2, multimedia camera starts to focus on, and has focused on rear voice message and has focused on;
Step 4.3, multimedia camera has been taken pictures, and picture is saved in file system, and voice message has been taken pictures.
Composition graphs 2 and Fig. 3, further illustrate the specific embodiment of the using method of the self-heterodyne system of a kind of cell phone cameras that the present invention proposes.
Composition graphs 2, user uses main camera to automatically snap, and its fundamental procedure is as follows:
A. user opens self-timer mode;
B. multimedia camera enters preview mode;
C. multimedia camera apparatus obtains picture with very fast frequency period;
D. image detection module acquisition picture detects;
E. face and the position relationship of forms angle and human face region and forms of finding a view of finding a view of taking pictures is detected;
F. Detection Information is converted to user-friendly Preview results text by multimedia camera;
G. call Text to Speech its Preview results text is play.
Composition graphs 3, user can arrange and automatically snap based on image detection trigger condition, this image testing result condition P can be: when human face region and forms angle of finding a view be less than particular value, three kinds of states when human face region is placed in the middle in the horizontal direction or when smiling face being detected, its fundamental procedure is as follows:
A. user opens self-timer mode;
B. user arranges automatic shooting for image testing result condition P;
C. multimedia camera apparatus obtains picture with very fast frequency period;
D. image detection module detects acquisition picture;
E. face and the position relationship of forms angle and human face region and forms of finding a view of finding a view of taking pictures is detected;
If f. to satisfy condition P to acquisition picture, enter next step; If do not satisfy condition P, then feed back to step c;
G. take.
In the specific embodiment of the present invention, all explanations do not related to belong to the known technology of this area, can be implemented with reference to known technology.
The present invention, through validation trial, achieves satisfied effect.
Embodiment involved in above embodiment is a kind of self-heterodyne system of cell phone cameras and the concrete support of using method technological thought that propose the present invention; protection scope of the present invention can not be limited with this; every technological thought proposed according to the present invention; any equivalent variations that the technical program basis is done or the change of equivalence, all still belong to the scope of technical solution of the present invention protection.
Claims (8)
1. the self-heterodyne system of a cell phone cameras, comprise multimedia camera, characterized by further comprising auto heterodyne rule settings functional block, auto heterodyne control function block, image measuring ability block, file system, timer, SpeechCommand module, Text to Speech module and audio player, wherein: described auto heterodyne rule settings functional block, auto heterodyne control function block, image measuring ability block successively two-way signaling connect and form auto heterodyne measurement and control unit; Described auto heterodyne control function block is connected with timer two-way signaling, auto heterodyne control function block, Text to Speech module are connected with audio player successively one way signal, auto heterodyne control function block is connected with multimedia camera one way signal, and Speech Command module is connected with auto heterodyne control function block one way signal; Described multimedia camera is connected with image measuring ability block and audio player one way signal respectively; Described auto heterodyne rule settings functional block is connected with file system two-way signaling.
2. the self-heterodyne system of a kind of cell phone cameras according to claim 1, is characterized in that auto heterodyne rule settings functional block comprises editor's subblock, identifies and judge subblock and store subblock.
3. the self-heterodyne system of a kind of cell phone cameras according to claim 1, is characterized in that auto heterodyne control function block comprises order input subblock and shooting controls subblock.
4. the self-heterodyne system of a kind of cell phone cameras according to claim 1, is characterized in that image measuring ability block comprises image information input subblock, image testing result exports subblock and image information detects subblock.
5. the self-heterodyne system of a kind of cell phone cameras according to claim 1, is characterized in that Text toSpeech module is the chipspeech of serial communication code.
6. the self-heterodyne system of a kind of cell phone cameras according to claim 1, is characterized in that audio player is made up of suggestion voice and music synthesis chips and loud speaker.
7. the using method of the self-heterodyne system of a kind of cell phone cameras according to claim 1-6, it is characterized in that comprising that user sets event to trigger auto heterodyne, basic step that user uses speech command to trigger to autodyne, triggered by rule auto heterodyne and auto heterodyne process, wherein:
Step 1, user sets event to trigger auto heterodyne:
Step 1.1, arranging timer is trigger condition;
Step 1.2, user sets timer duration;
Step 1.3, this setting is preserved by auto heterodyne rule settings functional block;
Step 1.4, enables timer triggering rule during auto heterodyne;
Step 1.5, user starts to autodyne, and confirms that timer starts to start;
Step 1.6, timer then, triggers and autodynes;
Step 2, user uses speech command to trigger and autodynes:
Step 2.1, it is trigger condition that user sets speech command;
Step 2.2, user records speech, becomes corresponding command by speech command module converts;
Step 2.3, this setting is preserved by auto heterodyne rule settings functional block;
Step 2.4, enables speech command triggering rule during auto heterodyne;
Step 2.5, user starts to autodyne;
Step 2.6, user sends speech command, triggers and autodynes;
Step 3, triggers auto heterodyne by rule:
Step 3.1, user sets image and is detected as trigger condition;
Step 3.2, setting image detected rule;
Step 3.3, this setting is preserved by auto heterodyne rule settings functional block;
Step 3.4, enabling image detected rule during auto heterodyne is trigger condition;
Step 3.5, user starts to autodyne;
Step 3.6, the image information of preview, by preview mode, is sent to image measuring ability block by multimedia camera; This image measuring ability block extracts image information, is identified by graph image algorithm;
Step 3.7, detection and Identification result is detected trigger condition with the image of setting and compares by image measuring ability block, by text to acoustic conversion unit, by result constantly by voice message user, when rule meets, triggers and autodynes;
Step 4, auto heterodyne process:
Step 4.1, voice message shooting starts;
Step 4.2, multimedia camera starts to focus on, and has focused on rear voice message and has focused on;
Step 4.3, multimedia camera has been taken pictures, and picture is saved in file system, and voice message has been taken pictures.
8. the using method of the self-heterodyne system of a kind of cell phone cameras according to claim 7, is characterized in that setting image detected rule described in step 3.2 is:
(a) when human face region and forms angle of finding a view be between a given zone;
B () to be found a view forms specific region when human face region is in; This specific region refers to one or several solid regions of horizontal and vertical setting;
C () detects smiling face;
D () people exceedes specific duration quiescent time.
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