CN101227554A - Method and system for implementing self-adapting display of set-top box on television - Google Patents
Method and system for implementing self-adapting display of set-top box on television Download PDFInfo
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Abstract
The invention relates to a self-adapting display of a set-top box on the television, which comprises a step 11 is that gaining the television display resolution ratio, the image processing ability of the set-top box and the resolution ratio of the image which is about to be displayed, a step 12 is that calculating the scaling and the division way of the image which is about to be displayed according to the television display resolution ratio and the resolution ratio of the image which is about to be displayed, a step 13 is that dividing the image which is about to be displayed into small image set which is about to be scaled according to the division way of the image which is about to be displayed, a step 14 is that scaling each image in the small image set which is about to be scaled into the small image set which is about to be combined according to the scaling of the image which is about to be displayed, and a step 15 is that combining the small image set which is about to be combined into the images which are suitable to display on the television, and displaying the image on the television. The invention realizes the function of the self-adapting on a high definition television or a non high definition television on the set-top box, and reduces the dependency of the set-top box for the television.
Description
Technical field
The present invention relates to set-top box, relate in particular to a kind of method and system that realize set-top box self adaptation demonstration on TV.
Background technology
At present along with the development of TV tech, HDTV (High-Definition Television) has appearred, like this for showing of HDTV (High-Definition Television) and non-HDTV (High-Definition Television) the set-top box of HDTV (High-Definition Television) and the set-top box of non-HDTV (High-Definition Television).Support at present the set-top box of these two kinds of different TVs, employing be to use two kinds of different software versions, be used for the needs that the adaline top box shows different TVs.For same function,, strengthened research and development and the workload of safeguarding undoubtedly and caused the wasting of resources because HDTV (High-Definition Television) and the non-HDTV (High-Definition Television) difference on showing is made the software of version separately respectively.
Summary of the invention
In order to solve above-mentioned technical problem, a kind of method and system that realize set-top box self adaptation demonstration on TV are provided, its purpose is, at HDTV (High-Definition Television) and non-HDTV (High-Definition Television) epigraph self adaptation display image.
The invention provides a kind of method that realizes set-top box self adaptation demonstration on TV, comprising:
Step 11 is obtained the image-capable of TV display resolution, set-top box and the resolution of image to be displayed;
Step 12 is calculated the scaling and the partitioning scheme of image to be displayed according to the resolution of TV display resolution and image to be displayed;
Step 13 is divided into image to be displayed according to the partitioning scheme of image to be displayed and treats the little image collection of convergent-divergent;
Step 14, according to each image in the little image collection of the described band convergent-divergent of the scaling convergent-divergent of image to be displayed for waiting to make up little image collection;
Step 15, combination are waited to make up the image that little image collection shows for suitable TV, and show this image on TV.
Step 13 comprises:
Step 21 according to the processing image ability of set-top box, obtains the length of side of the maximum manageable square-shaped image of set-top box;
Step 22 is divided into little image collection according to the size of image to be displayed and the image-capable of set-top box with image to be displayed;
Step 23, with each the little view dataization in the little image collection, what form datumization treats the little image collection of convergent-divergent;
Step 24 writes down each and treats position and each the wide high information for the treatment of convergent-divergent little image of the little image of convergent-divergent in image to be displayed;
Step 25, with datumization treat in the little set of images of scaling that each treats that the little view data of scaling is converted into and treat the little image of convergent-divergent, and this is treated that the little set of images of convergent-divergent is sent to set-top box.
In the step 13: if image to be displayed itself does not exceed the image-capable of set-top box, then image to be displayed directly is treated to one have only an image treat the little image collection of convergent-divergent.
Step 14 comprises:
Step 41 is obtained the scaling for the treatment of little set of images of convergent-divergent and image to be displayed;
Step 42 will be treated the little view dataization of convergent-divergent;
Step 43 is handled the little image of convergent-divergent of datumization according to the scaling of image to be displayed;
Step 44 according to result, is a little image to be made up with data conversion, forms little image collection to be made up, and returns to set-top box.
Step 15 comprises:
Step 51 is obtained little image collection to be made up, and the positional information in each little image place general image;
Step 52, the little view dataization that each is to be made up;
Step 53 according to the positional information of each little image and represent that the data of the little image correspondence that each is to be made up form the data of expression complete image, and is converted into the image that is fit to show and returns to set-top box, shows this image on TV.
The invention provides a kind of system that realizes set-top box self adaptation demonstration on TV, comprising:
The information acquisition module is used to obtain the image-capable of TV display resolution, set-top box and the resolution of image to be displayed;
The scaling computing module is used for scaling and partitioning scheme according to the resolution calculating image to be displayed of TV display resolution and image to be displayed;
Partitioning scheme is formulated module, is used for formulating according to the resolution of TV display resolution and image to be displayed the partitioning scheme of image to be displayed;
Cut apart module, according to the partitioning scheme of image to be displayed image to be displayed is divided into and treats the little image collection of convergent-divergent;
Zoom module, according to each image in the little image collection of the described band convergent-divergent of the scaling convergent-divergent of image to be displayed for waiting to make up little image collection;
Composite module makes up little image collection for being fit to the image that TV shows with waiting.
Cut apart module, also be used for when image to be displayed itself does not exceed the image-capable of set-top box, with image to be displayed directly be treated to one have only an image treat the little image collection of convergent-divergent.
Cut apart module, also be used for writing down each and treat position and each the wide high information for the treatment of convergent-divergent little image of the little image of convergent-divergent at image to be displayed.
The image-capable of set-top box is the capacity of set-top box internal memory.
Zoom module also is used for keeping the length of minor face, only convergent-divergent being done on the long limit of image when finding behind the convergent-divergent that image minor face height is zero.
The present invention has reduced the dependence of set-top box to TV in the function that has realized on the set-top box that self adaptation shows on HDTV (High-Definition Television) and non-HDTV (High-Definition Television).
Description of drawings
Fig. 1 is the flow process that self adaptation provided by the invention shows;
Fig. 2 is the flow process of split image;
Fig. 3 is the flow process of zoomed image;
Fig. 4 is the flow process of combined diagram picture.
Embodiment
The logic of the software function of set-top box and concrete the demonstration have nothing to do.Concrete service logic can be separated with the display part.The part that shows is not relied on concrete TV set-top box, be implemented in self adaptation demonstration on high definition and the non-high definition set-top box, adapt to the needs that different TVs shows.
In order to realize this purpose, the present invention proposes a kind of set-top box that allows in the method that HDTV (High-Definition Television) and non-HDTV (High-Definition Television) self adaptation show, wherein, may further comprise the steps:
Step 2 is according to the resolution computed image scaling of above-mentioned TV display resolution and image to be shown and the partitioning scheme of above-mentioned image;
Step 3 is cut apart above-mentioned image to be shown for treating the little image collection of convergent-divergent;
Step 4, by each image in the above-mentioned little image collection of above-mentioned image zoom proportional zoom for waiting to make up little image collection;
Step 5 makes up the above-mentioned image that little image collection shows for suitable TV of waiting to make up;
Step 6 shows the image that above-mentioned suitable TV shows.
In the step 2 according to the resolution computed image scaling of above-mentioned TV display resolution and image to be shown and the partitioning scheme of above-mentioned image.Obtain above-mentioned image zoom ratio and above-mentioned image segmentation mode.
In the step 3,,, image to be displayed is divided into the set of the little image for the treatment of convergent-divergent that is fit to above-mentioned convergent-divergent processing according to the above-mentioned partitioning scheme that obtains with above-mentioned image to be displayed.
In the step 4,, carry out convergent-divergent according to above-mentioned scaling one by one, generate and wait to make up little image collection, offer the back combination operation the set of the little image for the treatment of convergent-divergent that forms.
In the step 5,, be combined as the image that above-mentioned suitable TV shows with the set of above-mentioned little image to be made up.
Figure 1 shows that the set-top box flow process that self adaptation shows on high definition and non-HDTV (High-Definition Television).As shown in Figure 1, comprising:
Step S101, S103, set-top box is obtained the TV display resolution, obtains set-top box image-capable (being the capacity of set-top box internal memory).Wherein the display resolution of TV can directly obtain by set-top box.
Step S103, S104 according to the set-top box image-capable, calculate the image segmentation mode that is fit to this set-top box, and partitioning scheme is passed to the split image module.How partitioning scheme mainly is meant that be little image collection to be made up to image Segmentation, just how much multiply by cutting apart of what.The calculating of partitioning scheme comprises: according to big image to be split and the manageable largest square picture size of set-top box, calculate the horizontal and vertical umber of cutting apart.
Step S105, the resolution information of image of Xian Shiing and the TV that obtains draws the ratio that need carry out convergent-divergent as required, and scaling is passed to Zoom module.Scaling calculates and to be meant whole scaling, estimates length behind the convergent-divergent divided by the current length that needs the image handled, estimates wide divided by present image of wide behind the convergent-divergent.
Step S106 is cut apart module according to predetermined partitioning scheme, and the image that show is cut apart, and forms the little image collection for the treatment of convergent-divergent, these little images is sent to Zoom module handle.
The above-mentioned module of cutting apart, because the size of the internal memory of concrete set-top box and the hardware capabilities of self, limited it to the treatment of picture ability, so under the restriction of hardware, be necessary after excessive image is cut apart with respect to the disposal ability of set-top box own, little image processing after one by one it being cut apart alleviates the pressure of set-top box.
Step S107-S109, Zoom module carries out zoom operations according to scaling to little image, the little image collection that formation is to be made up, little image collection to be made up is sent to composite module to be made up, for too narrow image, may occur behind the convergent-divergent is the special circumstances of lines, need do special processing.If finding image minor face height behind the convergent-divergent is zero situation, the minor face convergent-divergent of not doing image is handled, keep the length of minor face, only convergent-divergent is done on the long limit of image.
Step S110-S111, composite module be little image collection to be made up, be combined as to be fit to the image that shows, and by set-top box, output image on TV.
Illustrate below:
At first obtain the square-shaped image (mainly the hardware parameter by set-top box determines) of the treatable maximum of current set-top box, for example maximum square-shaped image of handling is 300 * 300, obtains the image that current needs show on TV, and for example image is 1024 * 968;
The computed segmentation mode: 1024/300 round numbers is that 3,968/300 round numbers are 3, and partitioning scheme is for being divided into 4 * 4 grid so
300×300 300×300 300×300 124×300
300×300 300×300 300×300 124×300
300×300 300×300 300×300 124×300
300×68 300×68 300×68 124×68
After the little image segmentation such 4 * 4 little lattice;
In the big image of assembling, need to use after this information (position of each little image, size);
Calculating the horizontal scaling of scaling is 1024/300, and vertically scaling is 968/300;
Each little image can be converted into array, the information description of each point in each data representation image in the array.
According to scaling, in each little array of image data, fill certain data, like this, data have just been described the data of scaled images.
According to the carve information of front, be data processing the data that the back image is put in expression;
According to data, generate image, set-top box is exported image.
Fig. 2 is the flow process of cutting apart of image, and this flow process may further comprise the steps:
Step S201 obtains the image that need cut apart from set-top box, import the formulation module of split image mode into;
Step S202 obtains the processing image ability of set-top box from set-top box, draw the length of side of the maximum manageable square-shaped image of set-top box, imports the formulation module of split image mode into;
Step S203, S204, the optimum image size of handling of the image of cutting apart according to current needs size and set-top box determines with image segmentation to be several several little image collections of taking advantage of, it should be noted that cut apart here after, can produce some narrow little images;
Step S205, datumization image are manageable data message, mainly are the information of each pixel of image, use numeral, and the array that forms a numeral is come presentation video information;
According to above-mentioned splitting scheme,,, generate the digital array that each little image information of back is cut apart in expression according to certain mode with the digital array of presentation video.Form the little image collection of datumization.For example the data of image are 1000 * 1000 arrays, are divided into 4 parts now, form 4 arrays so:
500×500 500×500
500×500 500×500
Step S206 writes down each little image in whole position of magnifying in the image, and usefulness during the position of the little image in location in the combination of the image in later stage is write down the wide high information of each little image simultaneously, conveniently uses when being converted into little image collection at last;
Step S207-S209 will represent the set of the data of little image collection, and transforming each little view data one by one is little image, forms the set of little image; Little image itself is the Image object, is the image object of JAVA itself, exists in the internal memory of set-top box to deposit.Image can be still image forms such as jpg, bmp.Here be with after the little view dataization, after data processing, form the data of expression complete image, form one then and complete can be used for the image that set-top box shows.
If itself does not exceed the image-capable of set-top box step S210 image, will not need image segmentation, directly be treated to a little image collection that has only an image;
Step S211, the little image collection after will cutting apart returns to set-top box, continues the operation of back.
Fig. 3 is the convergent-divergent flow process of image, and this flow process may further comprise the steps:
Step S301 obtains the image for the treatment of convergent-divergent;
Step S302 obtains the ratio that needs convergent-divergent;
Step S303 is the data of concrete its image of representative with image processing, is convenient to the concrete operations to image;
Step S304-S306 according to the ratio of convergent-divergent, handles above-mentioned array data according to certain rule.For example: for enlarged image, in the digital array of presentation video, insert some suitable numerals according to magnification ratio, for example image need amplify 1 times, between per two points, can fill one with on every side the identical point of point, these points all are to use its picture characteristics of numeral, mainly be that image informations such as color are for downscaled images, can proportionally reject the numeral in some digital arrays, formation can be represented the data of image behind the convergent-divergent, for example in the numeral of presentation video, whenever gets a point, lose the point of back, picture size diminishes like this, and image information also can be lost to some extent, forms wide height and all dwindles the little image of half; For longer and narrower image, if behind the convergent-divergent, find that image minor face height is zero situation, the minor face convergent-divergent of not doing image is handled, keep the length of minor face, only convergent-divergent is done on the long limit of image.
Step S307, S308 according to above-mentioned convergent-divergent data processed, are scaled images with data conversion, return to set-top box, continue the back operation.
Fig. 4 is the combination process of image.This flow process may further comprise the steps:
Step S401 obtains little image collection from the flow process of front;
Step S402 obtains the positional information in each little image place general image from the flow process of front;
Step S403 is with each little image abstraction data that are easy operating;
Step S404-S406 according to the positional information of each little image and the data message of each little image of expression, adopts certain mode that data are handled, and forms the data of expression complete image information; For example be divided into 4 little images, array is respectively
1，2 5，6
3，4 7，8
9，10 13，14
11，12 15，16
4 little images are:
1,2,3,4}, 2 * 2 image;
5,6,7,8}, 2 * 2 image;
9,10,11,12}, 2 * 2 image;
13,14,15,16}, 2 * 2 image;
Partitioning scheme is 2 * 2; So just can handle out a complete image information array 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16}, 4 * 4 image.
Step S407, S408 with the data of expression complete image information, are converted into the image of complete suitable demonstration, return to set-top box and are used for showing.
Those skilled in the art can also carry out various modifications to above content under the condition that does not break away from the definite the spirit and scope of the present invention of claims.Therefore scope of the present invention is not limited in above explanation, but determine by the scope of claims.
Claims (10)
1. a method that realizes set-top box self adaptation demonstration on TV is characterized in that, comprising:
Step 11 is obtained the image-capable of TV display resolution, set-top box and the resolution of image to be displayed;
Step 12 is calculated the scaling and the partitioning scheme of image to be displayed according to the resolution of TV display resolution and image to be displayed;
Step 13 is divided into image to be displayed according to the partitioning scheme of image to be displayed and treats the little image collection of convergent-divergent;
Step 14, according to each image in the little image collection of the described band convergent-divergent of the scaling convergent-divergent of image to be displayed for waiting to make up little image collection;
Step 15, combination are waited to make up the image that little image collection shows for suitable TV, and show this image on TV.
2. the method for realization set-top box as claimed in claim 1 self adaptation demonstration on TV is characterized in that step 13 comprises:
Step 21 according to the processing image ability of set-top box, obtains the length of side of the maximum manageable square-shaped image of set-top box;
Step 22 is divided into little image collection according to the size of image to be displayed and the image-capable of set-top box with image to be displayed;
Step 23, with each the little view dataization in the little image collection, what form datumization treats the little image collection of convergent-divergent;
Step 24 writes down each and treats position and each the wide high information for the treatment of convergent-divergent little image of the little image of convergent-divergent in image to be displayed;
Step 25, with datumization treat in the little set of images of scaling that each treats that the little view data of scaling is converted into and treat the little image of convergent-divergent, and this is treated that the little set of images of convergent-divergent is sent to set-top box.
3. the method for realization set-top box as claimed in claim 1 self adaptation demonstration on TV, it is characterized in that, in the step 13: if image to be displayed itself does not exceed the image-capable of set-top box, then image to be displayed directly is treated to one have only an image treat the little image collection of convergent-divergent.
4. the method for realization set-top box as claimed in claim 2 self adaptation demonstration on TV is characterized in that step 14 comprises:
Step 41 is obtained the scaling for the treatment of little set of images of convergent-divergent and image to be displayed;
Step 42 will be treated the little view dataization of convergent-divergent;
Step 43 is handled the little image of convergent-divergent of datumization according to the scaling of image to be displayed;
Step 44 according to result, is a little image to be made up with data conversion, forms little image collection to be made up, and returns to set-top box.
5. the method for realization set-top box as claimed in claim 4 self adaptation demonstration on TV is characterized in that step 15 comprises:
Step 51 is obtained little image collection to be made up, and the positional information in each little image place general image;
Step 52, the little view dataization that each is to be made up;
Step 53 according to the positional information of each little image and represent that the data of the little image correspondence that each is to be made up form the data of expression complete image, and is converted into the image that is fit to show and returns to set-top box, shows this image on TV.
6. a system that realizes set-top box self adaptation demonstration on TV is characterized in that, comprising:
The information acquisition module is used to obtain the image-capable of TV display resolution, set-top box and the resolution of image to be displayed;
The scaling computing module is used for scaling and partitioning scheme according to the resolution calculating image to be displayed of TV display resolution and image to be displayed;
Partitioning scheme is formulated module, is used for formulating according to the resolution of TV display resolution and image to be displayed the partitioning scheme of image to be displayed;
Cut apart module, according to the partitioning scheme of image to be displayed image to be displayed is divided into and treats the little image collection of convergent-divergent;
Zoom module, according to each image in the little image collection of the described band convergent-divergent of the scaling convergent-divergent of image to be displayed for waiting to make up little image collection;
Composite module makes up little image collection for being fit to the image that TV shows with waiting.
7. the system of realization set-top box as claimed in claim 6 self adaptation demonstration on TV, it is characterized in that, cut apart module, also be used for when image to be displayed itself does not exceed the image-capable of set-top box, with image to be displayed directly be treated to one have only an image treat the little image collection of convergent-divergent.
8. the system of realization set-top box as claimed in claim 6 self adaptation demonstration on TV is characterized in that, cuts apart module, also is used for writing down each and treats position and each the wide high information for the treatment of convergent-divergent little image of the little image of convergent-divergent at image to be displayed.
9. the system of realization set-top box as claimed in claim 6 self adaptation demonstration on TV is characterized in that the image-capable of set-top box is the capacity of set-top box internal memory.
10. the system of realization set-top box as claimed in claim 6 self adaptation demonstration on TV is characterized in that, Zoom module also is used for keeping the length of minor face, only convergent-divergent being done on the long limit of image when finding behind the convergent-divergent that image minor face height is zero.
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