CN107909074B - Preventing mobile phone is taken on the sly alarm system - Google Patents
Preventing mobile phone is taken on the sly alarm system Download PDFInfo
- Publication number
- CN107909074B CN107909074B CN201711105373.5A CN201711105373A CN107909074B CN 107909074 B CN107909074 B CN 107909074B CN 201711105373 A CN201711105373 A CN 201711105373A CN 107909074 B CN107909074 B CN 107909074B
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- Prior art keywords
- image
- dynamics
- mobile phone
- back side
- normalization
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/26—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/22—Matching criteria, e.g. proximity measures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/50—Depth or shape recovery
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
Abstract
It takes on the sly alarm system the present invention relates to a kind of preventing mobile phone, including：Character library storage device is arranged on the integrated circuit board of mobile phone, for having pre-saved various types of character libraries；APP type aware devices, are arranged on the integrated circuit board of mobile phone, for detecting the type for being shown in the APP on the current screen of mobile phone；Display drive device, the type based on the APP being shown on current screen is from the suitable character library type of character library storage device selection to change the display font for being shown in the APP on current screen；Image capture device, is arranged at the back side of mobile phone, real time image data acquisition is carried out for the environment to the mobile phone back side, to obtain and export back side ambient image.Through the invention, the instant detection to action of taking on the sly is simplified.
Description
Technical field
It takes on the sly alarm system the present invention relates to field of mobile phones more particularly to a kind of preventing mobile phone.
Background technology
Touch-screen mobile phone is the trend in modern cell phones market, and touch-screen mobile phone is divided into touch screens and capacitance screen mobile phone, refers to utilizing
The technology of touch screen, a kind of type of cell phone which being applied to above mobile phone screen.
Touch-screen mobile phone and the no apparent boundary of other mobile phone classification, maximum feature are the screen of its that super large,
The enjoyment of vision can be brought with user, and the characteristic of large screen no matter is all embodied in terms of word or image.But due to
Screen is big, and volume is also just bigger, also big for carrying touch-screen mobile phone the space occupied.Touch-screen mobile phone can use finger simultaneously
It manipulates, to ideally substitute keyboard.
Invention content
In the prior art, limited to the risk prevention instruments for the behavior of taking on the sly, how to utilize current mobile phone hardware equipment realization pair
The identification of neighbouring behavior of taking on the sly, and evidence is obtained rapidly, it is one of urgent need to solve the problem.To solve the above-mentioned problems, this hair
It is bright to provide a kind of preventing mobile phone and take on the sly alarm system.
According to an aspect of the present invention, a kind of preventing mobile phone is provided to take on the sly alarm system, the system comprises：
Character library storage device is arranged on the integrated circuit board of mobile phone, for having pre-saved various types of character libraries；
APP type aware devices, are arranged on the integrated circuit board of mobile phone, for detecting the current screen for being shown in mobile phone
On APP type；
Display drive device is connect respectively with the character library storage device and the APP types aware device, for receiving
It is shown in the type of the APP on current screen, and the type based on the APP being shown on current screen is set from the character library storage
The suitable character library type of alternative is to change the display font for being shown in the APP on current screen；
Image capture device, is arranged at the back side of mobile phone, and carrying out realtime image data for the environment to the mobile phone back side adopts
Collection, to obtain and export back side ambient image；
Target identification equipment identifies glossing up target, and divide from described image for receiving image from described image
Glossing up subgraph is cut, the reality of the hot spot target range mobile phone is determined based on the depth of field of the hot spot target in described image
When distance, determine the ratio of described image of being occupied based on the hot spot subgraph, and be based on the real-time range and the ratio
Determine the size of the hot spot；
Wherein, in the target identification equipment, when the size of determining hot spot is matched with capture apparatus flash lamp size
When, shooting alarm signal is sent out, otherwise, sends out shooting pre-warning signal.
It can be seen that the present invention at least has inventive point important at following two：
(1) the identification glossing up target from images to be recognized is established, and divides glossing up subgraph from images to be recognized
Picture, based on the depth of field of the hot spot target in the images to be recognized determine the hot spot target range mobile phone it is real-time away from
From, the determining ratio that the images to be recognized is occupied based on the hot spot subgraph, and it is based on the real-time range and the ratio
Example determines the spot detection mechanism of the size of the hot spot, and in the size of determining hot spot and capture apparatus flash lamp size
Timing is determined there are shooting behavior, to effectively realize the instant detection taken on the sly；
(2) targetedly each customization image processing equipment, improves the identification accuracy of hot spot target.
Description of the drawings
Embodiment of the present invention is described below with reference to attached drawing, wherein：
Fig. 1 is the block diagram of alarm system of being taken on the sly according to the preventing mobile phone shown in embodiment of the present invention.
Fig. 2 is the step flow chart of alarm method of being taken on the sly according to the preventing mobile phone shown in embodiment of the present invention.
Specific implementation mode
Take on the sly the embodiment of alarm system of the preventing mobile phone of the present invention is described in detail below with reference to accompanying drawings.
In order to overcome above-mentioned deficiency, the present invention has built a kind of preventing mobile phone and has taken on the sly alarm system, and specific embodiment is as follows.
Fig. 1 is the block diagram of alarm system of being taken on the sly according to the preventing mobile phone shown in embodiment of the present invention, the system
Including：
Character library storage device is arranged on the integrated circuit board of mobile phone, for having pre-saved various types of character libraries；
APP type aware devices, are arranged on the integrated circuit board of mobile phone, for detecting the current screen for being shown in mobile phone
On APP type.
Then, the concrete structure of alarm system of continuing to take to the preventing mobile phone of the present invention on the sly is further detailed.
The preventing mobile phone is taken on the sly in alarm system：
Display drive device is connect respectively with the character library storage device and the APP types aware device, for receiving
It is shown in the type of the APP on current screen, and the type based on the APP being shown on current screen is set from the character library storage
The suitable character library type of alternative is to change the display font for being shown in the APP on current screen.
The preventing mobile phone is taken on the sly in alarm system：
Image capture device, is arranged at the back side of mobile phone, and carrying out realtime image data for the environment to the mobile phone back side adopts
Collection, to obtain and export back side ambient image；
Normalization equipment is connect with described image collecting device, for receiving the back side ambient image, is based on institute
It states distance of the levels of sharpness of back side ambient image apart from pre-determined lower limit levels of sharpness the back side ambient image is averaged
It is divided into each piecemeal of corresponding block size, to each piecemeal, the pixel value variance based on the piecemeal selects corresponding difference
The normalization of dynamics is handled to obtain adjustment piecemeal, and each adjustment piecemeal of acquisition is merged to obtain normalization figure
Picture；In the normalization equipment, the levels of sharpness of the back side ambient image is apart from pre-determined lower limit levels of sharpness
Remoter, the relevant block that the back side ambient image is averagely divided into is bigger, and in the normalization equipment, to every
The pixel value variance of one piecemeal, the piecemeal is bigger, and the dynamics of the normalization processing of selection is smaller；
Dynamics output equipment is connect with the normalization equipment, for receiving the normalization equipment output
Each piecemeal different dynamics, and based on each dynamics of each piecemeal determination normalization is executed to the back side ambient image
The maximum dynamics of correction process exports the maximum dynamics；
Gamma correcting equipment is connect respectively with the dynamics output equipment and the normalization equipment, for receiving
The maximum dynamics, and the school handled the gamma correction that the normalization image executes is determined based on the maximum dynamics
Positive dynamics obtains to execute gamma correction processing to the normalization image based on determining correction dynamics and exports gal
Horse corrects image, wherein the maximum dynamics is inversely proportional with the correction dynamics；
Geometrical correction device is connect respectively with the dynamics output equipment and the gamma correcting equipment, for receiving
Maximum dynamics is stated, and determines the calibrated force of the geometric correction processing executed to the gamma correction image based on the maximum dynamics
Degree obtains to execute geometric correction processing to the gamma correction image based on determining correction dynamics and exports geometric correction
Image, wherein the maximum dynamics is inversely proportional with the correction dynamics；
Target identification equipment is connect with the geometrical correction device, for receiving the geometric correction image, from described several
Glossing up target is identified in what correction image, and divides glossing up subgraph from the geometric correction image, is based on the light
The depth of field of the spot target in the geometric correction image determines the real-time range of the hot spot target range mobile phone, determines and is based on institute
The ratio that hot spot subgraph occupies the geometric correction image is stated, and based on light described in the real-time range and the ratio-dependent
The size of spot；
Wherein, in the target identification equipment, when the size of determining hot spot is matched with capture apparatus flash lamp size
When, shooting alarm signal is sent out, otherwise, sends out shooting pre-warning signal.
The preventing mobile phone is taken on the sly in alarm system：
The display drive device is also connect with the target identification equipment, for receiving the shooting alarm signal
When, the geometric correction image described in real-time display on the current screen of mobile phone, and the Overlapping display on the geometric correction image
The hot spot subgraph.
The preventing mobile phone is taken on the sly in alarm system：
Clarity lifting means, for being connect with the normalization equipment, in the normalization equipment
Before executing normalization to the back side ambient image, when the levels of sharpness of the back side ambient image is less than described pre-
When setting limit levels of sharpness, clarity is executed to the back side ambient image and promotes operation, clarity will be executed and promote operation
Back side ambient image afterwards replaces back side ambient image and is input to the normalization equipment, when the back side ambient image
When levels of sharpness is more than or equal to the pre-determined lower limit levels of sharpness, clarity is not executed to the back side ambient image and is promoted
Operation；
TF storage devices are connect with the normalization equipment, for prestoring described pre-determined lower limit clarity etc.
Grade.
Fig. 2 is the step flow chart of alarm method of being taken on the sly according to the preventing mobile phone shown in embodiment of the present invention, the method
Including：
Using character library storage device, it is arranged on the integrated circuit board of mobile phone, for having pre-saved various types of words
Library；
Using APP type aware devices, it is arranged on the integrated circuit board of mobile phone, the current of mobile phone is shown in for detecting
The type of APP on screen.
Then, the specific steps of alarm method of continuing to take to the preventing mobile phone of the present invention on the sly are further detailed.
Preventing mobile phone alarm method of taking on the sly can also include：
Using display drive device, it connect, is used for the character library storage device and the APP types aware device respectively
The type for being shown in the APP on current screen is received, and the type based on the APP being shown on current screen is deposited from the character library
The suitable character library type of equipment selection is stored up to change the display font for being shown in the APP on current screen.
Preventing mobile phone alarm method of taking on the sly can also include：
Using image capture device, it is arranged at the back side of mobile phone, realtime graphic number is carried out for the environment to the mobile phone back side
According to acquisition, to obtain and export back side ambient image；
It using normalization equipment, is connect with described image collecting device, for receiving the back side ambient image, base
In the back side ambient image levels of sharpness apart from the far and near by the back side ambient image of pre-determined lower limit levels of sharpness
It is averagely divided into each piecemeal of relevant block size, to each piecemeal, the pixel value variance selection based on the piecemeal is corresponding
The normalization of different dynamics is handled to obtain adjustment piecemeal, each adjustment piecemeal of acquisition is merged to obtain normalization school
Positive image；In the normalization equipment, the levels of sharpness of the back side ambient image is apart from pre-determined lower limit clarity
Remoter grade, and the relevant block that the back side ambient image is averagely divided into is bigger, and in the normalization equipment,
To each piecemeal, the pixel value variance of the piecemeal is bigger, and the dynamics of the normalization processing of selection is smaller；
It using dynamics output equipment, is connect with the normalization equipment, for receiving the normalization equipment
The different dynamics of each piecemeal of output, and determined based on each dynamics of each piecemeal and back side ambient image execution is returned
One changes the maximum dynamics of correction process, exports the maximum dynamics；
Using gamma correcting equipment, it connect, is used for the dynamics output equipment and the normalization equipment respectively
The maximum dynamics is received, and is determined based on the maximum dynamics and the gamma correction that the normalization image executes is handled
Correction dynamics, with based on determining correction dynamics to the normalization image execute gamma correction processing, obtain simultaneously it is defeated
Go out gamma correction image, wherein the maximum dynamics is inversely proportional with the correction dynamics；
Using geometrical correction device, it is connect respectively with the dynamics output equipment and the gamma correcting equipment, for connecing
The maximum dynamics is received, and determines the school of the geometric correction processing executed to the gamma correction image based on the maximum dynamics
Positive dynamics obtains to execute geometric correction processing to the gamma correction image based on determining correction dynamics and exports geometry
Correct image, wherein the maximum dynamics is inversely proportional with the correction dynamics；
It using target identification equipment, is connect with the geometrical correction device, for receiving the geometric correction image, from institute
Identification glossing up target in geometric correction image is stated, and divides glossing up subgraph from the geometric correction image, is based on institute
The real-time range that the depth of field of the hot spot target in the geometric correction image determines the hot spot target range mobile phone is stated, determines base
The ratio of the geometric correction image is occupied in the hot spot subgraph, and is based on the real-time range and ratio-dependent institute
State the size of hot spot；
Wherein, in the target identification equipment, when the size of determining hot spot is matched with capture apparatus flash lamp size
When, shooting alarm signal is sent out, otherwise, sends out shooting pre-warning signal.
The preventing mobile phone is taken on the sly in alarm method：
The display drive device is also connect with the target identification equipment, for receiving the shooting alarm signal
When, the geometric correction image described in real-time display on the current screen of mobile phone, and the Overlapping display on the geometric correction image
The hot spot subgraph.
Preventing mobile phone alarm method of taking on the sly can also include：
Using clarity lifting means, for being connect with the normalization equipment, in the normalization
Before equipment executes normalization to the back side ambient image, when the levels of sharpness of the back side ambient image is less than institute
When stating pre-determined lower limit levels of sharpness, clarity is executed to the back side ambient image and promotes operation, clarity will be executed and promoted
Back side ambient image after operation replaces back side ambient image and is input to the normalization equipment, when the back side environment map
When the levels of sharpness of picture is more than or equal to the pre-determined lower limit levels of sharpness, clarity is not executed to the back side ambient image
Promote operation；
Using TF storage devices, it is connect with the normalization equipment, it is clear for prestoring the pre-determined lower limit
Spend grade.
In addition, the preventing mobile phone is taken on the sly, alarm method can also include：Galileo navigation positioning device, for providing mobile phone
Current navigation position.
Galileo satellite navigation system (Galileo satellite navigation system), is developed by European Union
With the global navigation satellite system of foundation, which was announced in 2 months 1999 by European commission, European commission and Europe
Empty office is collectively responsible for.System is made of 30 satellites that orbit altitude is 23616km, wherein 27 work stars, 3 backup stars.
About 2.4 ten thousand kilometers of satellite orbital altitude is located in the orbit plane that 3 inclination angles are 56 degree.End in December, 2016, it is emitted
18 operational satellites, have early stage operational capacity (EOC), and plan had complete operation ability (FOC) in 2019.Entirely
30, portion satellite (being adjusted to 24 operational satellites, 6 backup satellites) is planned in the year two thousand twenty battery has fired.
Compared with the GPS system in the U.S., Galileo system is more advanced, also more reliable.The satellite that GPS of America is provided to other country
Signal can only find the long object in about 10 meters of ground, and Galilean satellite can then find 1 meter of long target.One military affairs
Expert visually likens, and GPS system is only able to find street, and Galileo can then find door.
Galileo project has critical significance to European Union, it can not only make people’s lives more convenient, will also be European Union
Industry and business bring considerable economic benefit.Importantly, European Union will possess the global navigation satellite system of oneself from this
System, contributes to the monopoly position for breaking GPS of America navigation system, to obtain advantageous position in global high-tech competition tide
It sets, and create conditions to build the independent defence in Europe in the future.
Preventing mobile phone using the present invention is taken on the sly alarm system and method, difficult for the evidence obtaining of taking on the sly of preventing mobile phone in the prior art
The technical issues of, glossing up target is identified from images to be recognized by establishing, and divide glossing up from images to be recognized
Subgraph determines the real-time of the hot spot target range mobile phone based on the depth of field of the hot spot target in the images to be recognized
Distance, determines the ratio of the images to be recognized of being occupied based on the hot spot subgraph, and based on the real-time range and described
The spot detection mechanism of the size of hot spot described in ratio-dependent, and in the size of determining hot spot and capture apparatus flash lamp size
It when matching, determines there are shooting behavior, to effectively realize the instant detection taken on the sly, while also introducing targetedly each
A customization image processing equipment improves the identification accuracy of hot spot target.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, every content without departing from technical solution of the present invention is right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (1)
- The alarm system 1. a kind of preventing mobile phone is taken on the sly, which is characterized in that the system comprises：Character library storage device is arranged on the integrated circuit board of mobile phone, for having pre-saved various types of character libraries；APP type aware devices, are arranged on the integrated circuit board of mobile phone, are shown on the current screen of mobile phone for detecting The type of APP；Display drive device is connect with the character library storage device and the APP types aware device respectively, for receiving display The type of APP on current screen, and the type based on the APP being shown on current screen is selected from the character library storage device Suitable character library type is selected to change the display font for being shown in the APP on current screen；Image capture device, is arranged at the back side of mobile phone, and real time image data acquisition is carried out for the environment to the mobile phone back side, with It obtains and exports back side ambient image；Normalization equipment is connect with described image collecting device, for receiving the back side ambient image, is based on the back of the body Distance of the levels of sharpness of face ambient image apart from pre-determined lower limit levels of sharpness averagely divides the back side ambient image At each piecemeal of corresponding block size, to each piecemeal, the corresponding different dynamics of pixel value variance selection based on the piecemeal Normalization handle to obtain adjustment piecemeal, each adjustment piecemeal of acquisition is merged to obtain normalization image； In the normalization equipment, the levels of sharpness of the back side ambient image is got over apart from pre-determined lower limit levels of sharpness Far, the relevant block back side ambient image being averagely divided into is bigger, and in the normalization equipment, to each The pixel value variance of a piecemeal, the piecemeal is bigger, and the dynamics of the normalization processing of selection is smaller；Dynamics output equipment is connect with the normalization equipment, for receiving each of the normalization equipment output The different dynamics of a piecemeal, and determined based on each dynamics of each piecemeal and normalization is executed to the back side ambient image The maximum dynamics of processing exports the maximum dynamics；Gamma correcting equipment is connect with the dynamics output equipment and the normalization equipment respectively, described for receiving Maximum dynamics, and the calibrated force handled the gamma correction that the normalization image executes is determined based on the maximum dynamics Degree obtains to execute gamma correction processing to the normalization image based on determining correction dynamics and exports gamma school Positive image, wherein the maximum dynamics is inversely proportional with the correction dynamics；Geometrical correction device is connect with the dynamics output equipment and the gamma correcting equipment respectively, for receive it is described most Great dynamics, and the correction dynamics handled the geometric correction that the gamma correction image executes is determined based on the maximum dynamics, To execute geometric correction processing to the gamma correction image based on determining correction dynamics, obtains and export geometric correction figure Picture, wherein the maximum dynamics is inversely proportional with the correction dynamics；Target identification equipment is connect with the geometrical correction device, for receiving the geometric correction image, from the geometry school Glossing up target is identified in positive image, and divides glossing up subgraph from the geometric correction image, is based on the hot spot mesh The depth of field being marked in the geometric correction image determines the real-time range of the hot spot target range mobile phone, determines and is based on the light Spot subgraph occupies the ratio of the geometric correction image, and based on hot spot described in the real-time range and the ratio-dependent Size；Wherein, in the target identification equipment, when the size of determining hot spot is matched with capture apparatus flash lamp size, hair Go out and shoot alarm signal, otherwise, sends out shooting pre-warning signal；The display drive device is also connect with the target identification equipment, for when receiving the shooting alarm signal, The geometric correction image described in real-time display on the current screen of mobile phone, and on the geometric correction image described in Overlapping display Hot spot subgraph；Clarity lifting means is used in the normalization equipment for being connect with the normalization equipment to institute It states before back side ambient image executes normalization, when the levels of sharpness of the back side ambient image is less than described pre- set When limiting levels of sharpness, operation is promoted to back side ambient image execution clarity, execution clarity is promoted after operating Back side ambient image replaces back side ambient image and is input to the normalization equipment, clear when the back side ambient image When spending grade more than or equal to the pre-determined lower limit levels of sharpness, clarity is not executed to the back side ambient image and promotes behaviour Make；TF storage devices are connect with the normalization equipment, for prestoring the pre-determined lower limit levels of sharpness.
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| JP2002156464A (en) * | 2001-01-30 | 2002-05-31 | Masanobu Kujirada | Apparatus and method for detection of hidden camera |
| CN101662532A (en) * | 2008-08-27 | 2010-03-03 | 深圳富泰宏精密工业有限公司 | Mobile telephone with unnoticed photographing prevention function and method for preventing unnoticed photographing by using same |
| CN201751862U (en) * | 2010-07-23 | 2011-02-23 | 成都比昂科技有限公司 | Light source device used for detecting optical lens |
| CN104850365A (en) * | 2015-05-06 | 2015-08-19 | 福建凯盈资讯有限公司 | Font library sharing method for multifunctional and intelligent integrated printer |
| CN105303398B (en) * | 2015-09-29 | 2020-03-27 | 努比亚技术有限公司 | Information display method and system |
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