CN102915219A - Dynamic detection method and display device - Google Patents
Dynamic detection method and display device Download PDFInfo
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- CN102915219A CN102915219A CN2011102184561A CN201110218456A CN102915219A CN 102915219 A CN102915219 A CN 102915219A CN 2011102184561 A CN2011102184561 A CN 2011102184561A CN 201110218456 A CN201110218456 A CN 201110218456A CN 102915219 A CN102915219 A CN 102915219A
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Abstract
The invention discloses a dynamic detection method for a display device. The dynamic detection method comprises the steps of: retrieving images by the display device to generate a plurality of retrieved images; calculating a shift of the display device according to the retrieved images; and adjusting a picture display range of the display device relative to image data according to the shift.
Description
Technical field
The present invention relates to a dynamic testing method and display device, particularly a kind of dynamic testing method and related display apparatus that utilizes image processing techniques to detect dynamic case.
Background technology
Along with the progress of science and technology, the input mode of electronic installation is more and more diversified.For instance, prior art has been developed the acceleration that utilizes gyroscope (gyro) or gravity sensing instrument (g-sensor) to respond to portable electronic devices, to judge the mobile situation of portable electric device, and adjust according to this indication range of display device, or judge character or the instruction that the user will input.This mode mainly is to utilize the acceleration of gravity inductor to judge the direction of Z-axis (being the direction of gravity), cooperates revolution inductor (such as gyroscope) to judge the direction (for example north-south and East and West direction) of two other transverse axis.Yet, the acceleration of gravity inductor can only be by the acceleration magnitude displacement of calculating portable electric device of induction portable electric device, when portable electric device is when moving with the phase uniform velocity, the acceleration of gravity inductor can't be learnt the mobile route length of portable electric device, and when mobile route was similar, the acceleration of gravity inductor can't accurately be learnt the mobile route difference of portable electric device.In addition, gyroscope and gravity sensing instrument are mechanical component, therefore along with use will produce loss and the lost of life or and sensing malfunctioning, also increase the circuit size of portable electric device, and gyroscope also can make the raising of volume production cost.
Therefore, prior art utilizes gyroscope or gravity sensing instrument to judge that the mode of the mobile situation of portable electric device has improved necessity in fact.
Summary of the invention
Therefore, one of fundamental purpose of the present invention namely is to provide a kind of dynamic testing method and a display device, and it need not use the assemblies such as gyroscope and gravity sensing instrument, can judge the mobile situation of this display device.
The present invention discloses a kind of dynamic testing method, is used for a display device, and this dynamic testing method comprises by this display device and carries out capturing images, to produce a plurality of acquisition images; According to these a plurality of acquisition images, calculate one of this display device and move situation; And move situation according to this, adjust this display device with respect to a picture disply scope of a view data.
The present invention also discloses a kind of display device, is used for showing a view data, and this display device comprises an image capturing module, is used for producing a plurality of acquisition images; One computing unit is used for calculating one of this display device and moving situation according to these a plurality of acquisition images; And a processing unit, be used for moving situation according to this, adjust this display device with respect to a picture disply scope of this view data.
Description of drawings
Fig. 1 is the function block schematic diagram of the embodiment of the invention one display device.
Fig. 2 be the display device of Fig. 1 according to a plurality of acquisition images, calculate the synoptic diagram of mobile situation.
Fig. 3 is that the display device adjustment of Fig. 1 is with respect to the synoptic diagram of a picture disply scope of a view data.
Fig. 4 is the synoptic diagram of the invention process one detection of dynamic flow process.
Wherein, description of reference numerals is as follows:
10 display device
100 image capturing modules
102 computing units
104 processing units
106 explicit panels
CP0～CPn, CPx, CP (x+1) capture image
OBJ, OBJx, OBJ (x+1) object
POSx, POS (x+1) position
MOV result of calculation
RNG picture disply scope
The IMG view data
The v mobile vector
The w vector
The f focal length
The θ anglec of rotation
Embodiment
Please refer to Fig. 1, Fig. 1 is the function block schematic diagram of the embodiment of the invention one display device 10.Display device 10 can be used to show a view data IMG, and includes an image capturing module 100, a computing unit 102, a processing unit 104 and an explicit panel 106.Image capturing module 100 can be continued to carry out capturing images by the ad-hoc location on the display device 10, to produce acquisition image C P0～CPn.Computing unit 102 can according to acquisition image C P0～CPn, calculate one of display device 10 and move situation, and produce corresponding result of calculation MOV.104 of processing units are adjusted explicit panel 106 with respect to the picture disply scope of view data IMG according to result of calculation MOV.In simple terms, display device 10 is to utilize image processing techniques, by the mobile situation of acquisition image C P0～CPn with the calculating display device, thereby the inductors such as gyroscope (gyro) or gravity sensing instrument (g-sensor) need be set.
Specifically, please refer to Fig. 2, Fig. 2 is that display device 10 is calculated the synoptic diagram of mobile situation according to acquisition image C P0～CPn among Fig. 1.Suppose any two adjacent acquisition images among acquisition image C P0～CPn that acquisition image C Px, CP (x+1) capture for image capturing module 100, it distinguishes two images that corresponding display device 10 is captured by two diverse location POSx, POS (x+1).One object OBJ comes across among acquisition image C Px, the CP (x+1) simultaneously, represents with OBJx, OBJ (x+1) respectively.The distance of object OBJ and display device 10 is the Shu focal distance f of image capturing module 100.And computing unit 102 can produce a mobile vector v according to moving direction and the distance of the image border of object OBJ in acquisition image C Px, CP (x+1), and according to mobile vector v, judges the mobile situation of display device 10.Further, as shown in Figure 2, in acquisition image C Px, CP (x+1), object OBJ represents with OBJx, OBJ (x+1) respectively.Moving direction and distance according to object OBJ image border in acquisition image C Px, CP (x+1) can get mobile vector v.As well known to the skilled person, moving direction and distance according to the image border, produce mobile vector v, can try to achieve by methods such as rim detection (Edge Detection), Kernel density estimates (Edge Density Map), do not give unnecessary details at this.Take Fig. 2 as example, the direction of mobile vector v is the direction (from right to left) that OBJx moves to OBJ (x+1), and the size of mobile vector v is OBJx move to OBJ (x+1) apart from d.Thus, computing unit 102 can judge that the mobile situation of display device 10 is on the Shu at its place surface level according to mobile vector v, and clockwise direction is rotated an angle θ.And anglec of rotation θ can further be got divided by focal distance f by distance d.Should be noted, among Fig. 2, only with computing unit 102 according to one-dimensional movement vector v, judge that the mobile situation of display device 10 is example for a spinning movement on a surface level at its place.In fact, mobile vector v also can be two dimension or trivector, be that computing unit 102 can be according to two dimension or three-dimensional mobile vector v, the mobile situation of judging display device 10 is translation (translation) or rotation (rotation) action in three dimensions, and is not limited to this.
Then, please continue with reference to figure 3, Fig. 3 is the synoptic diagram that display device 10 is adjusted with respect to the picture disply scope RNG of view data IMG among Fig. 1.As shown in Figure 3, judge display device 10 after direction rotation in computing unit 102, processing unit 104 can move the picture disply scope RNG of display device 10 with respect to view data IMG according to Shu vector w, wherein the size of vector w and direction are relevant with mobile vector v.Preferably, the opposite direction of the direction of vector w and mobile vector v, and the size of vector w is proportional to the size of mobile vector v.Take Fig. 2 as example, the direction of mobile vector v is for from right to left, and namely the mobile situation of display device 10 is that clockwise direction is rotated an angle θ.Therefore, processing unit 104 can be with display device 10 with respect to the picture disply scope RNG of view data IMG towards right-hand movement (being that the direction of vector w is for to the right).So, the user can be intuitively by suitable control to the hand-held of display device 10 (as display device 10 is rotated one party to), to watch view data IMG one corresponding scope.
Should be noted that image-type contactor control device 10 is embodiments of the invention, those skilled in the art work as can do different modifications according to this, and is not limited to this.For instance, in above-described embodiment, processing unit 104 is to come mobile display device 10 with respect to the picture disply scope RNG of view data IMG according to mobile vector v to produce a corresponding vector w.And the size of mobile vector v and direction be corresponding to direction and the angle θ of display device 10 rotation, and namely processing unit 104 is that rotation amount according to display device 10 rotations is to determine that display device 10 is with respect to the move mode of the picture disply scope RNG of view data IMG.Yet, rotation amount only is the Shu mobility of display device 10, and processing unit 104 also can be according to other mobilities of display device 10, translation features such as translational movement, point-to-point speed, translational acceleration, or the rotational characteristics such as velocity of rotation, rotation acceleration, to determine that display device 10 is with respect to the move mode of the picture disply scope RNG of view data IMG.In the above-described embodiments, suppose that image capturing module 100 continues to carry out capturing images by the position on the display device 10, and when producing acquisition image C P0～CPn, each time that captures between image is spaced apart t, then computing unit 102 can be further anglec of rotation θ by time interval t and display device 10, try to achieve the rotational characteristics such as the velocity of rotation of display device 10 and rotation acceleration.Thus, processing unit 104 can according to display device 10 different rotational characteristics, determine that display device 10 is with respect to the different move modes of the picture disply scope RNG of view data IMG.For example, processing unit 104 can be according to the velocity of rotation of display device 10, moving image indication range 110.Thus, during user's quick rotation display device 10, get final product the different counterparts of fast browsing view data IMG.In addition, when display device 10 rotation accelerations reach a particular value, processing unit 104 also can be according to this suitable moving image indication range RNG, as with the border of picture disply scope 110 towards the quick scrolling of a direction (scroll) to view data IMG.In addition, display device 10 can have multiple modes of operation, as includes acquisition (capture) pattern and one group and put (playback) pattern.Wherein in the acquisition pattern, view data IMG can be the view data that image capturing module 100 is capturing, and in dialling mode playback, view data IMG can be the view data that is stored in display device 10, yet the source of view data IMG is not subject to the limits.Further, the respective action that processing unit 104 produces according to the mobile situation of display device 10, also be not limited to mobile display device 10 with respect to the picture disply scope RNG of view data IMG, it also can be an operational motion at a user interface (user interface) of corresponding display device 10.For example, the user can pass through rotating display device 10, carries out a page turning (flip) operation for the user interface of display device 10.Yet processing unit 104 is not subject to the limits according to the respective action that the mobile situation of display device 10 produces, and those skilled in the art are when doing according to this different modifications.
Operation about display device 10 can further be summarized as a detection of dynamic flow process 40, and as shown in Figure 4, it may further comprise the steps:
Step 400: beginning.
Step 402: image capturing module 100 carries out capturing images by the position on the display device 10, to produce acquisition image C P0～CPn.
Step 404: computing unit 102 calculates one of display device 10 and moves situation according to acquisition image C P0～CPn.
Step 406: the mobile situation that processing unit 104 is judged according to computing unit 102, adjust display device 10 with respect to the picture disply scope RNG of view data IMG.
Step 408: finish.
The detailed function mode of detection of dynamic flow process 40 and variation can with reference to aforementioned, not given unnecessary details in this.
In sum, the present invention utilizes image processing techniques, by the mobile situation of a plurality of acquisition images with the calculating display device, thereby the inductors such as gyroscope and gravity sensing instrument need be set.By this, except can the mobile situation of more accurate judgement related electronic device, also can reduce cost and circuit size, and can remove because of the mechanical component loss and cause the shortcomings such as the lost of life and sensing be malfunctioning.
The above only is the preferred embodiments of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (10)
1. a dynamic testing method is used for a display device, it is characterized in that this dynamic testing method comprises:
Carry out capturing images by this display device, to produce a plurality of acquisition images;
According to these a plurality of acquisition images, calculate one of this display device and move situation; And
Move situation according to this, adjust this display device with respect to a picture disply scope of a view data.
2. dynamic testing method as claimed in claim 1 is characterized in that, moves the step of situation according to this of this a plurality of these display device of acquisition image calculation, includes:
At least two adjacent acquisition images in these a plurality of acquisition images relatively;
Judge moving direction and the distance of an image border in this at least two adjacent acquisition image, to produce a mobile vector; And
According to this mobile vector, this that judge this display device moves situation.
3. dynamic testing method as claimed in claim 1 is characterized in that, moves situation according to this, adjusts this display device with respect to the step of this picture disply scope of this view data, includes:
When this moves situation and shows that this display device is rotated towards a direction, this display device this picture disply scope with respect to this view data is moved towards this direction.
4. dynamic testing method as claimed in claim 3 is characterized in that, this dynamic testing method also comprises:
According to the characteristic that this display device is rotated towards this direction, determine the mode that this display device moves towards this direction with respect to this picture disply scope of this view data.
5. dynamic testing method as claimed in claim 4 is characterized in that, this characteristic is to be selected from velocity of rotation, rotation acceleration or rotation distance.
6. a display device is used for showing a view data, it is characterized in that, this display device includes:
One image capturing module is used for producing a plurality of acquisition images;
One computing unit is used for calculating one of this display device and moving situation according to these a plurality of acquisition images; And
One processing unit is used for moving situation according to this, adjusts this display device with respect to a picture disply scope of this view data.
7. display device as claimed in claim 6, it is characterized in that, this computing unit is at least two adjacent acquisition images in these a plurality of acquisition images relatively, judge moving direction and the distance of an image border in this at least two adjacent acquisition image, to produce a mobile vector, and according to this mobile vector, this that judge this display device moves situation.
8. display device as claimed in claim 6 is characterized in that, this processing unit moves this display device this picture disply scope with respect to this view data when this moves situation and shows that this display device is rotated towards a direction towards this direction.
9. display device as claimed in claim 8 is characterized in that, the characteristic that this processing unit also rotates towards this direction according to this display device determines the mode that this display device moves towards this direction with respect to this picture disply scope of this view data.
10. display device as claimed in claim 9 is characterized in that, this characteristic is to be selected from velocity of rotation, rotation acceleration or rotation distance.
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| CN2011102184561A CN102915219A (en) | 2011-08-01 | 2011-08-01 | Dynamic detection method and display device |
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| CN2011102184561A CN102915219A (en) | 2011-08-01 | 2011-08-01 | Dynamic detection method and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113535109A (en) * | 2021-09-17 | 2021-10-22 | 南昌龙旗信息技术有限公司 | Display terminal and display method |
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| CN101006414A (en) * | 2004-08-17 | 2007-07-25 | 诺基亚公司 | Electronic device and a method for controlling the functions of the electronic device as well as a program product for implementing the method |
| WO2008129596A1 (en) * | 2007-04-04 | 2008-10-30 | Panasonic Corporation | Display device and display method |
| CN101625844A (en) * | 2008-07-07 | 2010-01-13 | 华晶科技股份有限公司 | System and method for preventing screen of image display device from vibrating |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101006414A (en) * | 2004-08-17 | 2007-07-25 | 诺基亚公司 | Electronic device and a method for controlling the functions of the electronic device as well as a program product for implementing the method |
| WO2008129596A1 (en) * | 2007-04-04 | 2008-10-30 | Panasonic Corporation | Display device and display method |
| CN101625844A (en) * | 2008-07-07 | 2010-01-13 | 华晶科技股份有限公司 | System and method for preventing screen of image display device from vibrating |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113535109A (en) * | 2021-09-17 | 2021-10-22 | 南昌龙旗信息技术有限公司 | Display terminal and display method |
| CN113535109B (en) * | 2021-09-17 | 2021-12-10 | 南昌龙旗信息技术有限公司 | Display terminal and display method |
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Application publication date: 20130206 |