CN103731745A - Control method and device for outputting characters - Google Patents
Control method and device for outputting characters Download PDFInfo
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- CN103731745A CN103731745A CN201310618381.5A CN201310618381A CN103731745A CN 103731745 A CN103731745 A CN 103731745A CN 201310618381 A CN201310618381 A CN 201310618381A CN 103731745 A CN103731745 A CN 103731745A
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- human face
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Abstract
The invention discloses a control method and device for outputting characters. The control method and device are applied to an intelligent television. The control method comprises the following steps that an image is obtained through scanning of a camera; whether a face area exists in the image is detected; if the face area exists in the detected image, the intelligent television is controlled to amplify the format of the characters, and the characters are output. In the control method and device for outputting characters, when a short-sighted user watches the intelligent television, the intelligent television detects that the short-sighted user exists and controls the format of the characters to be amplified, and the characters are output. At the moment, short-sighted people can take off glasses to watch the intelligent television and do not depend on the glasses, so that the control method and device for outputting characters meet the visual requirements of the short-sighted people.
Description
Technical field
The present invention relates to intelligent television control technology field, in particular, relate to a kind of character output control method and device.
Background technology
Along with scientific and technical development, the practical function of intelligent television is also rapidly expanded.
In prior art, be no matter common TV or intelligent television when output data message, all can follow the output of captions.As everyone knows, in captions, the setting of character boundary is that system designer sets voluntarily according to design experiences.Its starting point is not allow the character of output excessive based on guaranteeing, occupies the display position in too many display screen and affects user and watch other audio frequency, video effect, can guarantee that again user can see character clearly.
But, be not difficult to find, the big or small setting of intelligent television output character of the prior art be all based on normally, not near-sighted crowd arranges, and for myopia population, must wears glasses just can see character clearly.Obviously, the character that in prior art, intelligent television is exported can not meet the visual demand of myopia population.
Summary of the invention
For the problems referred to above, the invention provides a kind of character output control method and device, to solve the character of intelligent television output in prior art, can not meet the problem of the visual demand of myopia population.Technical scheme is as follows:
Based on an aspect of of the present present invention, the invention provides a kind of character output control method, be applied to intelligent television, comprising:
Obtain by camera and scan the image obtaining;
Detect and in described image, whether have human face region;
If detect in described image and have described human face region, control described intelligent television and tune up character format and export.
Preferably, in the described image of described detection, whether exist human face region to comprise:
Utilize face recognition algorithms to identify and in described image, whether have face characteristic; Wherein, described face characteristic is for determining described human face region.
Preferably, detect in described image exist after described human face region if described, described method also comprises:
The quantity of determining human face region described in described image meets preset requirement.
Preferably, detect in described image exist after described human face region if described, described method also comprises:
Judge and in described human face region, whether have glasses feature;
If judge in described human face region and do not have glasses feature, control described intelligent television and tune up character format and export.
Preferably, also comprise:
If judge in described human face region and have glasses feature, control described intelligent television and export according to normal character format.
Preferably, describedly judge in described human face region whether exist glasses feature to comprise:
Utilize face recognition algorithm to calculate the image section of eyes in described human face region;
Image section to eyes in described human face region carries out binary conversion treatment;
Whether the image section place that eyes in the described human face region after binary conversion treatment are carried out in judgement there is glasses feature.
Preferably, described in, obtain and by camera, scan the image obtaining and comprise:
Periodically obtain by camera and scan the image obtaining.
Preferably, detect in described image exist after described human face region if described, described method also comprises:
Eject prompting message, the character format adjustment function whether described prompting message opens described intelligent television for pointing out user.
Based on another aspect of the present invention, the invention provides a kind of character output-controlling device, be applied to intelligent television, comprising:
Image collection module, for obtaining image;
Face detection module, for detection of whether there being human face region in described image;
, there is described human face region for detecting described image at described face detection module in control module, controls described intelligent television and tune up character format and export.
Preferably, also comprise:
Determination module, meets preset requirement for the quantity of determining human face region described in described image.
Preferably, described face detection module comprises:
Recognin module, for utilizing face recognition algorithms to identify the face characteristic of described image;
Determine submodule, for determining described human face region according to described face characteristic.
Preferably, also comprise:
Glasses feature judge module, for judging whether there is glasses feature in described human face region;
Wherein, described control module specifically for, at described glasses feature judge module, judge in described human face region and do not have glasses feature, control described intelligent television and tune up character format and export.
Preferably, also comprise:
Described control module specifically for, at described glasses feature judge module, judge in described human face region and have glasses feature, control described intelligent television and export according to normal character format.
Preferably, described glasses feature judge module comprises:
Calculating sub module, for utilizing face recognition algorithm to calculate the image section of described human face region eyes;
Binary conversion treatment module, for carrying out binary conversion treatment to the image section of described human face region eyes;
Judge submodule, for judging whether the image section place that carries out the described human face region eyes after binary conversion treatment by described binary conversion treatment module exists glasses feature.
Preferably, also comprise:
Eject information module, for ejecting prompting message, the character format adjustment function whether described prompting message opens described intelligent television for pointing out user.
Application technique scheme, the invention provides a kind of character output control method, by camera, scanning and obtaining after image, in detected image, whether have human face region, if there is human face region in detected image, control intelligent television tunes up character format and exports.In the present invention, when near-sighted user watches intelligent television, intelligent television detects near-sighted user's existence, and control tunes up character format and exports.Now, myopia population just can be removed glasses and watch intelligent television, is no longer dependent on glasses, has met the visual demand of myopia population.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of flow chart of a kind of character output control method provided by the invention;
Fig. 2 is the another kind of flow chart of a kind of character output control method provided by the invention;
Fig. 3 is another flow chart of a kind of character output control method provided by the invention;
Fig. 3 a is a kind of a kind of flow chart that judges glasses characterization method provided by the invention;
Fig. 3 b is a kind of glasses feature schematic diagram provided by the invention;
Fig. 4 is another flow chart of a kind of character output control method provided by the invention;
Fig. 5 is a kind of structural representation of a kind of character output-controlling device provided by the invention;
Fig. 6 is the another kind of structural representation of a kind of character output-controlling device provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment mono-
Refer to Fig. 1, a kind of flow chart that it shows a kind of character output control method provided by the invention, comprising:
Step 101, intelligent television obtains by camera and scans the image obtaining.
In the present embodiment, intelligent television can be controlled rotating camera and scans with great visual angle.Preferably, intelligent television obtains the current user area of intelligent television by camera rotation sweep.In practical application scene, user sits up straight at intelligent television front end, and user can normally watch the region of intelligent television to be referred to as user area conventionally.In the present invention, camera can carry out complete scan by user area takes pictures, and obtains the image in active user region.
Whether step 102, there is human face region in intelligent television detected image.If existed, execution step 103, if there is no, execution step 104.
In the present embodiment, intelligent television obtains by camera and scans after the image obtaining, and utilizes in face recognition algorithms recognition image, whether there is face characteristic on this image.Wherein, face characteristic is for determining human face region.Particularly, face characteristic can comprise: eyes, ear, nose, face mask etc.
Whether the present invention by there is human face region in detected image, judge in image, whether there is user.When there is human face region in image, show that the current user of having is watching intelligent television, when there is not human face region in image, show that the current user of not having watches intelligent television.
Step 103, intelligent television control tunes up character format and exports.
In the present embodiment, when intelligent television detects in present image, have human face region, the current user of having is watching intelligent television, and it is myopia population that acquiescence is watched the user of intelligent television, and intelligent television control tunes up character format and exports.
Step 104, intelligent television is exported according to normal character format.
In the present embodiment, when intelligent television detects in present image, do not have human face region, the current user of not having is watching intelligent television, and intelligent television is exported according to normal character format.
In the present invention, give the function that intelligent television can auto-control character format.It should be noted that, in description technical scheme of the present invention, intelligent television has first been set and has opened character format adjustment function, when intelligent television scans the image obtaining by camera, while there is human face region in detected image, acquiescence active user is myopia population, automatically tunes up character format and exports.Therefore, apply technical scheme of the present invention, the present invention has taken into full account the visual demand of myopia population, when myopia population is watched intelligent television, intelligent television automatically tunes up character format and exports, now myopia population just can be removed glasses and watch intelligent television, is no longer dependent on glasses, has greatly improved the visual enjoyment of myopia population.
Embodiment bis-
On the basis of above-described embodiment, refer to Fig. 2, the another kind of flow chart that it shows a kind of character output control method provided by the invention, comprising:
Whether step 202, there is human face region in intelligent television detected image.If existed, execution step 203, if there is no, execution step 205.
The description of above-mentioned steps is identical with previous embodiment, this inventor, is no longer repeated.
In the present embodiment, preset requirement can be greater than 0 for the quantity of human face region, and is less than or equal to certain threshold value.Such as, it is 2 that threshold value is set, and intelligent television judges whether the quantity of human face region in image is 1 or 2, when detecting that the number of the human face region in image is 1 or 2, meet intelligent television and tune up the condition that character format is exported, control intelligent television tunes up character format and exports.If detect that the number of the human face region in image is greater than at 2 o'clock, do not meet intelligent television and tune up the condition that character format is exported, intelligent television is exported according to normal character format.
In actual applications, watch in the user of intelligent television the ratio of myopia population and non-myopia population suitable.When one family or multiple friend watch intelligent television simultaneously, watch in the user of intelligent television may non-myopia user more than near-sighted user, if now intelligent television just the character format that tunes up simply export, this concerning twenty-twenty non-myopia population, has a strong impact on its visual experience undoubtedly.Based on this, in the present embodiment, intelligent television exists after human face region detecting in image, when the quantity of further determining human face region described in image meets preset requirement, just controls intelligent television and tunes up character format and export.Therefore, apply technique scheme of the present invention, the present invention has taken into full account the visual experience of non-myopia population, gives the intelligent television auto-control function of hommization more.
Embodiment tri-
On the basis of above-described embodiment, refer to Fig. 3, another flow chart that it shows a kind of character output control method provided by the invention, comprising:
Whether step 302, there is human face region in intelligent television detected image.If existed, execution step 303, if there is no, execution step 305.
Wherein, glasses feature refers to the feature that can represent glasses.Such as rims of spectacle, eyeglass, nose support etc.In the present embodiment, judge in human face region and whether exist glasses feature specifically to comprise, as shown in Figure 3 a:
In actual applications, the image section of eyes is two regions the darkest in human face region, and simultaneously as known in this field, if there are glasses, the frame of glasses is more easily identified as black region.Thus, by the image section of eyes in human face region is carried out to binary conversion treatment, as shown in Figure 3 b, in the whole region of people face, the part of eyes is dark compared with other regions of face, and the frame of the glasses that the part of eyes exists is darker compared with eyes part.Therefore, by the image section of eyes in human face region is carried out after binary conversion treatment, judge whether it exists the frame of glasses, if existed, represent that active user has the user of wearing spectacles; If there is no, represent that active user does not have the user of wearing spectacles.
In the present embodiment, when intelligent television detects, there is glasses feature, show that active user is using glasses to watch intelligent television, although show that active user is near-sighted user, but user is still accustomed to wearing spectacles watches TV, and now intelligent television is according to normal character format.When intelligent television does not detect glasses feature, show that active user favors in picking glasses to watch intelligent television, now intelligent television control tunes up character format and exports.
In addition, the present invention can also comprise periodically obtaining by camera and scan the image obtaining, and intelligent television obtains a new image, and the new human face region in the new image that detection obtains judges in new human face region, whether there is glasses feature.If now judge in human face region and again have glasses feature, show that active user does not want that removing glasses watches intelligent television, but still utilize glasses to watch, now control intelligent television and export according to normal character format.
Apply technique scheme of the present invention, the present invention detects while there is not glasses feature in human face region at intelligent television, controls to tune up character format and export; When detecting that while there is glasses feature, although show that active user is near-sighted user, user more favors in wearing spectacles and watches intelligent television, now, intelligent television is exported according to normal character format.The present invention has taken into full account user's actual demand, gives the intelligent television auto-control function of hommization more.
Embodiment tetra-
On the basis of above-described embodiment, refer to Fig. 4, another flow chart that it shows a kind of character output control method provided by the invention, comprising:
Whether step 402, there is human face region in intelligent television detected image.If existed, execution step 403, if there is no, execution step 406.
It should be noted that, in the aforementioned embodiment, intelligent television is all that default setting has been opened character format adjustment function.And in actual applications, when a non-near-sighted user watches intelligent television, it is near-sighted user that intelligent television also can be given tacit consent to this user, tunes up character format and export.Obviously, this does not meet user's actual demand.Based on this, in the present embodiment, when existing in detected image after human face region, intelligent television ejects prompting message, the character format adjustment function whether described prompting message opens intelligent television for pointing out user.User selects the character format of opening intelligent television to adjust function according to this prompting message, intelligent television is exported tuning up character format, if user selects the character format of not opening intelligent television to adjust function, intelligent television is exported according to normal character format.
Apply technique scheme of the present invention, the present invention supports user to select the character format of whether opening intelligent television to adjust function, has increased user's flexible operation degree.
Embodiment five
The description of a kind of character output control method based on the protection of the present invention above; the present invention also provides a kind of character output-controlling device; be applied to intelligent television; refer to Fig. 5; a kind of structural representation that it shows a kind of character output-controlling device provided by the invention, comprising: image collection module 501, face detection module 502 and control module 503.Wherein,
Wherein, face detection module 502 can also comprise: recognin module 5021, for utilizing the face characteristic of face recognition algorithms recognition image; Determine submodule 5022, for determining human face region according to face characteristic.
Apply technique scheme of the present invention, the present invention is obtaining after image by image collection module 501, utilize in face detection module 502 detected image whether have human face region, if there is human face region in detected image, control module 503 is controlled intelligent television and is tuned up character format and export.In the present invention, when near-sighted user watches intelligent television, intelligent television detects near-sighted user's existence, and control tunes up character format and exports.Now, myopia population just can be removed glasses and watch intelligent television, is no longer dependent on glasses, has met the visual demand of myopia population.
Embodiment six
On the basis of above-described embodiment, refer to Fig. 6, the another kind of structural representation of a kind of character output-controlling device provided by the invention, also comprises: glasses feature judge module 504.
Wherein, glasses feature judge module 504, for judging whether there is glasses feature in human face region.
Now, there is not glasses feature specifically for judging at glasses feature judge module 504 in human face region in control module 503, and control intelligent television tunes up character format and exports; At glasses feature judge module 504, judge in human face region and have glasses feature, control intelligent television and export according to normal character format.
Preferably, glasses feature judge module 504 also comprises: calculating sub module 5041, binary conversion treatment module 5042 and judge submodule 5043.Wherein,
Calculating sub module 5041, for utilizing face recognition algorithm to calculate the image section of human face region eyes.
Binary conversion treatment module 5042, for carrying out binary conversion treatment to the image section of human face region eyes.
Apply technique scheme of the present invention, when the present invention does not exist glasses feature in glasses feature judge module 504 detects human face region, tune up character format and export being controlled by control module 503; When detecting that while there is glasses feature, although show that active user is near-sighted user, user more favors in wearing spectacles and watches intelligent television, now, intelligent television is exported according to normal character format.The present invention has taken into full account user's actual demand, gives the intelligent television auto-control function of hommization more.
It should be noted that, each embodiment in this specification all adopts the mode of going forward one by one to describe, and each embodiment stresses is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.For device class embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
Above a kind of character output control method provided by the present invention and device are described in detail, applied specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (10)
1. a character output control method, is applied to intelligent television, it is characterized in that, comprising:
Obtain by camera and scan the image obtaining;
Detect and in described image, whether have human face region;
If detect in described image and have described human face region, control described intelligent television and tune up character format and export.
2. whether method according to claim 1, is characterized in that, in the described image of described detection, exist human face region to comprise:
Utilize face recognition algorithms to identify and in described image, whether have face characteristic; Wherein, described face characteristic is for determining described human face region.
3. method according to claim 1, is characterized in that, detects in described image exist after described human face region if described, and described method also comprises:
The quantity of determining human face region described in described image meets preset requirement.
4. method according to claim 1, is characterized in that, detects in described image exist after described human face region if described, and described method also comprises:
Judge and in described human face region, whether have glasses feature;
If judge in described human face region and do not have glasses feature, control described intelligent television and tune up character format and export.
5. method according to claim 4, is characterized in that, also comprises:
If judge in described human face region and have glasses feature, control described intelligent television and export according to normal character format.
6. method according to claim 4, is characterized in that, describedly judges in described human face region whether exist glasses feature to comprise:
Utilize face recognition algorithm to calculate the image section of eyes in described human face region;
Image section to eyes in described human face region carries out binary conversion treatment;
Whether the image section place that eyes in the described human face region after binary conversion treatment are carried out in judgement there is glasses feature.
7. method according to claim 1, is characterized in that, described in obtain and by camera, scan the image obtaining and comprise:
Periodically obtain by camera and scan the image obtaining.
8. method according to claim 1, is characterized in that, detects in described image exist after described human face region if described, and described method also comprises:
Eject prompting message, the character format adjustment function whether described prompting message opens described intelligent television for pointing out user.
9. a character output-controlling device, is applied to intelligent television, it is characterized in that, comprising:
Image collection module, for obtaining image;
Face detection module, for detection of whether there being human face region in described image;
, there is described human face region for detecting described image at described face detection module in control module, controls described intelligent television and tune up character format and export.
10. device according to claim 9, is characterized in that, also comprises:
Determination module, meets preset requirement for the quantity of determining human face region described in described image.
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| CN201310618381.5A CN103731745A (en) | 2013-11-27 | 2013-11-27 | Control method and device for outputting characters |
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| CN201310618381.5A CN103731745A (en) | 2013-11-27 | 2013-11-27 | Control method and device for outputting characters |
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| CN108989571A (en) * | 2018-08-15 | 2018-12-11 | 浙江大学滨海产业技术研究院 | A kind of adaptive font method of adjustment and device for mobile phone word read |
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Application publication date: 20140416 |