GB2616188A - Method and apparatus for creating panoramic picture on basis of large screen, and intelligent terminal and medium - Google Patents
Method and apparatus for creating panoramic picture on basis of large screen, and intelligent terminal and medium Download PDFInfo
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Abstract
A method and apparatus for creating a panoramic picture on the basis of a large screen, and an intelligent terminal and a medium. The method comprises: calculating a resolution difference between a picture resolution and a screen resolution (S10); obtaining, according to the resolution difference, a large screen picture matching the screen resolution (S20); and creating a floating window layer placed on the large screen picture (S30). The method is aimed at enabling a large intelligent screen to also provide a 360° panorama by means of the different layer transparency of a floating window layer, a translation expansion area algorithm, an interest direct view algorithm and a seamless superposition technique.
Description
METHOD AND APPARATUS FOR CREATING PANORAMIC PICTURE ON BASIS OF
LARGE SCREEN, AND INTELLIGENT TERMINAL AND MEDIUM [0001] This application claims priority to Chinese Patent Application No. 202011291487.5, entitled "METHOD AND APPARATUS FOR CREATING PANORAMIC PICTURE ON BASIS OF LARGE SCREEN, AND INTELLIGENT TERMINAL AND MEDIUM" and filed with the Chinese Patent Office on November 18, 2020, the disclosure of which is incorporated herein by reference in its entirety.
TECHNICAL FIELD
[0002] The present application relates to smart large screen technologies, and more particularly, to a method and an apparatus for creating a panoramic picture based on a large screen, a smart terminal, and a medium.
BACKGROUND
[0003] The emerging image technologies represented by Virtual Reality (VR) technology can bring unprecedented visual experience to users. On the other hand, how a smart large screen as a display center of a home smart device can satisfy users' increasing requirements for display effects has become a problem to be solved. Generally, a conventional smart large screen cannot create a 360° panoramic picture in combination with the VR technology. The 360° panoramic picture is also referred to as a three-dimensional panoramic picture or a panoramic surround view. The 360° panorama technology is a three-dimensional virtual display technology that can be implemented by using a digital camera to shoot a scene from multi-angles in a surround view, using a computer to perform post-stitching and loading a play program.
[0004] Therefore, the current technology needs to be improved and developed.
SUMMARY OF THE INVENTION
TECHNICAL PROBLEM
[0005] In view of the above technical problem that the conventional smart large screen cannot provide a 360° panoramic picture, it is necessary to provide a method and an apparatus for creating a panoramic picture based on a large screen, a smart terminal, and a medium, so as to display a 360° panoramic picture for a user by combining the smart large screen with the VR technology.
SOLUTIONS FOR PROBLEM
TECHNICAL SOLUTIONS
[0006] In a first aspect, a method of creating a panoramic picture based on a large screen includes: [0007] obtaining a picture resolution of a target picture and a screen resolution of the large screen; [0008] calculating a resolution difference between the picture resolution and the screen resolution, and adjusting the target picture based on the resolution difference to obtain a large screen picture matching the screen resolution; [0009] creating floating window layers on the large screen picture, and configuring and filling a translation extension region and a direct-view region of interest on the floating window layer by a preset algorithm, wherein each of the translation extension region and the direct-view region of interest corresponds to a class of the screen resolution, the translation extension region is for converting the target picture into the large screen picture through a translation operation and an extension operation, and the direct-view region of interest is for converting the large screen picture into the panoramic picture through parallax; [0010] setting a first transparency of the floating window layers corresponding to the translation extension region and a second transparency of the floating window layers corresponding to the direct-view region of interest; and [0011] combining the floating window layers having the first transparency and the floating window layers having the second transparency with the large screen picture to obtain the panoramic picture for the target picture.
[0012] In a second aspect, an embodiment of the present application provides an apparatus of creating a panoramic picture based on a large screen including: [0013] an obtaining module configured to obtain a picture resolution of a target picture and a screen resolution of the large screen; [0014] a resolution adjustment module configured to calculate a resolution difference between the picture resolution and the screen resolution and adjust the target picture based on the resolution difference to obtain a large screen picture matching the screen resolution; [0015] a translation extension region module configured to create floating window layers on the large screen picture, configure and fill a translation extension region corresponding to a class of the screen resolution on the floating window layer by a preset algorithm, and set a first transparency of the floating window layers corresponding to the translation extension region, wherein the translation extension region is for converting the target picture into the large screen picture through a translation operation and an extension operation; [0016] a direct-view region-of-interest module configured to configured to configure and fill a direct-view region of interest based on the translation extension region module by a direct-view region-of-interest algorithm, and set a second transparency of the floating window layers corresponding to the direct-view region of interest, wherein the direct-view region of interest is for converting the large screen picture into the panoramic picture through parallax; and [0017] a panorama combining module configured to combine the floating window layers having the first transparency and the floating window layers having the second transparency with the large screen picture to obtain the panoramic picture for the target picture.
[0018] In a third aspect, an embodiment of the present application provides a smart terminal including a large screen display, a processor and a memory storing a program executable by the processor to implement the method of creating a panoramic picture based on a large screen.
[0019] In a fourth aspect, an embodiment of the present application provides a computer readable storage medium having stored thereon a computer program executable by a processor to implement the method of creating a panoramic picture based on a large screen.
BENEFICIAL EFFECTS OF THE INVENTION
BENEFICIAL EFFECTS
[0020] With respect to the prior art, the present application provides a method and an apparatus for creating a panoramic picture based on a large screen, a smart terminal, and a medium.
A large-screen picture (i.e., a panoramic picture) matching the screen resolution is generated based on a target picture by using the resolution difference. The large-screen picture is converted into a three-dimensional panoramic picture through the floating window layers of different layer transparencies, the translation extension region algorithm, the direct-view region-of-interest algorithm, and a seamless superposition technology. Therefore, the smart large-screen is combined with the VR technology, so that the smart large-screen can also provide a 360° panoramic picture, thereby improving the visual experience of the user, expanding the promotion, and facilitating the user.
ILLUSTRATION OF THE DRAWINGS
BRIEF DESCRIPTION OF THE DRAWINGS
[0021] FIG. 1 is a flowchart of a method of creating a panoramic picture based on a large screen according to an embodiment of the present application.
[0022] FIG. 2 is a block diagram of an apparatus for creating a panoramic picture based on a large screen according to an embodiment of the present application.
[0023] FIG. 3 is a block diagram of a smart terminal according to an embodiment of the present application.
IMPLEMENTATIONS OF THE INVENTION
DETAILED DESCRIPTION OF THE EMBODIMENTS
[0024] A method of creating a panoramic picture based on a large screen includes: [0025] obtaining a picture resolution of a target picture and a screen resolution of the large screen; [0026] calculating a resolution difference between the picture resolution and the screen resolution, and adjusting the target picture based on the resolution difference to obtain a large screen picture matching the screen resolution; [0027] creating floating window layers on the large screen picture, and configuring and filling a translation extension region and a direct-view region of interest on the floating window layer by a preset algorithm, wherein each of the translation extension region and the direct-view region of interest corresponds to a class of the screen resolution, the translation extension region is for converting the target picture into the large screen picture through a translation operation and an extension operation, and the direct-view region of interest is for converting the large screen picture into the panoramic picture through parallax; [0028] setting a first transparency of the floating window layers corresponding to the translation extension region and a second transparency of the floating window layers corresponding to the direct-view region of interest; and [0029] combining the floating window layers having the first transparency and the floating window layers having the second transparency with the large screen picture to obtain the panoramic picture for the target picture.
[0030] The obtaining of the picture resolution and the screen resolution includes: [0031] upon monitoring a command for transmitting the target picture from a smart terminal, receiving the target picture and obtaining the picture resolution, wherein the picture resolution is expressed as a number of horizontal pixels of the target picture multiplied by a number of vertical pixels of the target picture; and [0032] obtaining the screen resolution, wherein the screen resolution is expressed as a number of horizontal pixels of the large screen multiplied by a number of vertical pixels of the large screen.
[0033] The calculating of the resolution difference includes: [0034] calculating a difference between the number of the horizontal pixels of the target picture and the number of the horizontal pixels of the large screen as a horizontal resolution difference and a difference between the number of the vertical pixels of the target picture and the number of the vertical pixels of the large screen as a vertical resolution difference.
[0035] The calculating of the resolution difference between the picture resolution and the screen resolution and the adjusting of the target picture based on the resolution difference to obtain the large screen picture matching the screen resolution includes: [0036] differentiating the number of the horizontal pixels in the picture resolution from the number of the horizontal pixels in the screen resolution to obtain a horizontal resolution difference value; and [0037] if an absolute value of the horizontal resolution difference is equal to 0, taking the target picture as the large screen picture.
[0038] The calculating of the resolution difference between the picture resolution and the screen resolution and adjusting of the target picture based on the resolution difference to obtain a large screen picture matching the screen resolution comprises: if the absolute value is not equal to 20 0, [0039] taking the absolute value as a first number of pixels to be filled in a horizontal direction of the target picture.
[0040] The taking of the absolute value as the first number of pixels to be filled in the horizontal direction of the target picture includes: [0041] determining a first color to be filled and obtaining a first color pixel value corresponding to the first color, and filling the target picture based on the first color pixel value to obtain the large screen picture.
[0042] The determining of the first color and the obtaining of the first color pixel value includes: [0043] obtaining a color pixel value of each filling color in the target picture and a second number of pixels corresponding to the each filling color, wherein the color pixel value of the each filling color comprises an R value, a G value, and a B value; [0044] calculating an R average value, a G average value, and a B average value for all pixels of the target picture based on the color pixel value of each filling color and the second number of pixels corresponding to the each filling color; and [0045] determining a color corresponding to the R average value, the G average value and the B average value as the first color, and taking the R average value, the G average value and the B average value as the first color pixel value.
[0046] the class of the screen resolution is high-definition resolution, the creating of the floating window layers on the large screen picture and the configuring and filling of the translation extension region and the direct-view region of interest on the floating window layer by a preset algorithm includes: [0047] creating the floating window layer based on the screen resolution, the floating window layer having a size matching the large screen; [0048] placing the floating window layer on top of the large screen picture; [0049] configuring a first translation extension region on the floating window layer based on the target picture by a preset translation extension region algorithm: [0050] taking first horizontal pixels of the target picture at a first horizontal proportion along a horizontal direction; [0051] filling the first translation extension region with the first horizontal pixels; [0052] applying a preset direct-view region-of-interest algorithm after filling the filled first translation extension region, to obtain a first direct-view region of interest, wherein the first translation extension region includes the first direct-view region of interest; [0053] taking first vertical pixels of the target picture at a first vertical proportion along a vertical direction; and [0054] filling the first direct-view region of interest with the first vertical pixels.
[0055] The setting of the first transparency of the floating window layers corresponding to the translation extension region and the second transparency of the floating window layers corresponding to the direct-view region of interest includes: [0056] configuring the first transparency of the floating window layers corresponding to the first translation extension region to be semi-transparent; and [0057] configuring the second transparency of the floating window layers corresponding to the first direct-view region of interest to be fully transparent.
[0058] The combining of the floating window layers having the first transparency and the floating window layers having the second transparency with the large screen picture to obtain the panoramic picture for the target picture includes: [0059] combining, by using a seamless superposition technology, the floating window layers having the first transparency and the floating window layers having the second transparency with the large screen picture to obtain a high-definition panoramic picture for the target picture. [0060] the class of the screen resolution is ultra-high-definition resolution, the creating of the floating window layers on the large screen picture and the configuring and filling of the translation extension region and the direct-view region of interest on the floating window layer by a preset algorithm includes: [0061] creating the floating window layer based on the screen resolution, the floating window layer having a size matching the large screen; [0062] placing the floating window layer on top of the large screen picture; [0063] calculating a high-definition picture corresponding to a high-definition resolution of the target picture, wherein the high-definition picture has a resolution greater than the picture resolution of the target picture; [0064] configuring a second translation extension region on the floating window layer based on the high-definition picture by a preset translation extension region algorithm; [0065] taking second horizontal pixels of the high-definition picture at a second horizontal proportion along a horizontal direction; [0066] filling the second translation extension region with the second horizontal pixels; [0067] applying a preset direct-view region-of-interest algorithm after filling the filled second translation extension region, to obtain a second direct-view region of interest, wherein the second translation extension region includes the second direct-view region of interest; [0068] taking second vertical pixels of the high-definition picture at a second vertical proportion along a vertical direction; and [0069] filling the second direct-view region of interest with the second vertical pixels. [0070] The setting of the first transparency and the second transparency includes: [0071] configuring the first transparency of the floating window layers corresponding to the second translation extension region to be semi-transparent; and [0072] configuring the second transparency of the floating window layers corresponding to the second direct-view region of interest to be fully transparent.
[0073] The combining of the floating window layers having the first transparency and the floating window layers having the second transparency with the large screen picture to obtain the panoramic picture for the target picture includes: [0074] combining, by using a seamless superposition technology, the floating window layers having the first transparency and the floating window layers having the second transparency with the large screen picture to obtain an ultra-high-definition panoramic picture for the target picture.
[0075] An apparatus of creating a panoramic picture based on a large screen includes: [0076] an obtaining module configured to obtain a picture resolution of a target picture and a screen resolution of the large screen; [0077] a resolution adjustment module configured to calculate a resolution difference between the picture resolution and the screen resolution and adjust the target picture based on the resolution difference to obtain a large screen picture matching the screen resolution; [0078] a translation extension region module configured to create floating window layers on the large screen picture, configure and fill a translation extension region corresponding to a class of the screen resolution on the floating window layer by a preset algorithm, and set a first transparency of the floating window layers corresponding to the translation extension region, wherein the translation extension region is for converting the target picture into the large screen picture through a translation operation and an extension operation; [0079] a direct-view region-of-interest module configured to configure and fill a direct-view region of interest based on the translation extension region module by a direct-view region-ofinterest algorithm, and set a second transparency of the floating window layers corresponding to the direct-view region of interest, wherein the direct-view region of interest is for converting the large screen picture into the panoramic picture through parallax; and [0080] a panorama combining module configured to combine the floating window layers having the first transparency and the floating window layers having the second transparency with the large screen picture to obtain the panoramic picture for the target picture.
[0081] The obtaining of the picture resolution of the target pictures and the screen resolution 30 includes: [0082] upon monitoring a command for transmitting the target picture from a smart terminal, receiving the target picture and obtaining the picture resolution, wherein the picture resolution is expressed as a number of horizontal pixels of the target picture multiplied by a number of vertical pixels of the target picture; and [0083] obtaining the screen resolution, wherein the screen resolution is expressed as a number of horizontal pixels of the large screen multiplied by a number of vertical pixels of the large screen.
[0084] The calculating of the resolution difference between the picture resolution and the screen resolution and the adjusting of the target picture based on the resolution difference to obtain the large screen picture matching the screen resolution includes: [0085] differentiating the number of the horizontal pixels in the picture resolution from the number of the horizontal pixels in the screen resolution to obtain a horizontal resolution difference value; [0086] if an absolute value of the horizontal resolution difference is equal to 0, taking the target picture as the large screen picture or [0087] if the absolute value is not equal to 0, taking the absolute value as a first number of pixels to be filled in a horizontal direction of the target picture.
[0088] the class of the screen resolution is high-definition resolution, the creating of the floating window layers on the large screen picture and the configuring and filling of the translation extension region and the direct-view region of interest on the floating window layer by a preset algorithm includes: [0089] creating the floating window layer based on the screen resolution, the floating window layer having a size matching the large screen; [0090] placing the floating window layer on top of the large screen picture; [0091] configuring a first translation extension region on the floating window layer based on the target picture by a preset translation extension region algorithm; [0092] taking first horizontal pixels of the target picture at a first horizontal proportion along a horizontal direction; [0093] filling the first translation extension region with the first horizontal pixels; [0094] applying a preset direct-view region-of-interest algorithm after filling the filled first translation extension region, to obtain a first direct-view region of interest, wherein the first translation extension region includes the first direct-view region of interest; [0095] taking first vertical pixels of the target picture at a first vertical proportion along a vertical direction; and [0096] filling the first direct-view region of' interest with the first vertical pixels.
[0097] the class of the screen resolution is ultra-high-definition resolution, the creating of the floating window layers on the large screen picture and the configuring and filling of the translation extension region and the direct-view region of interest on the floating window layer by a preset algorithm includes: [0098] creating the floating window layer based on the screen resolution, the floating window layer having a size matching the large screen; [0099] placing the floating window layer on top of the large screen picture; [00100] calculating a high-definition picture corresponding to a high-definition resolution of the target picture, wherein the high-definition picture has a resolution greater than the picture resolution of the target picture; [00101] configuring a second translation extension region on the floating window layer based on the high-definition picture by a preset translation extension region algorithm; [00102] taking second horizontal pixels of the high-definition picture at a second horizontal proportion along a horizontal direction; [00103] filling the second translation extension region with the second horizontal pixels; [00104] applying a preset direct-view region-of-interest algorithm after filling the filled second translation extension region, to obtain a second direct-view region of interest, wherein the second translation extension region includes the second direct-view region of interest; [00105] taking second vertical pixels of the high-definition picture at a second vertical proportion along a vertical direction; and [00106] filling the second direct-view region of interest with the second vertical pixels.
[00107] A smart terminal includes a large screen display, a processor, a memory storing a program executable by the processor to implement the methods of creating the panoramic picture based on the large screen.
[00108] A computer readable storage medium has stored thereon a computer program executable by a processor, to perform operations in any of the methods of creating the panoramic picture based on the large screen.
[00109] The present application provides a method and an apparatus of creating the panoramic picture based on the large screen, a smart terminal, and a medium. In order to make the objectives, technical solutions, and effects of the present disclosure clearer and more definite, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present disclosure and are not intended to limit the present
disclosure.
[00110] Those skilled in the art will appreciate that, as used herein, the singular forms "a", "an-, "said" and "the may include the plural forms as well, unless expressly stated otherwise. It should be further understood that the word "comprise/include" when used in the present application is taken to specify the presence of the features, integers, steps, operations, elements, and/or components, but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or combination thereof. It will be understood that when an element is referred to as being "connected" or -coupled" to another element, it can be directly connected or coupled to the other element or an intervening element may also be present. Furthermore, "connected" or "coupled" as used herein may include wireless connection or wireless coupling. As used herein, the phrase "and/or" includes all or any element and all combinations of one or more of the associated listed items.
[00111] Those skilled in the art may understand that, unless otherwise defined, all terms (Including technical and scientific terms) used herein have the same meanings as those commonly understood by those of ordinary skill in the art to which the disclosure belongs. It should also be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with the meaning of the context of the current technology and will not be interpreted in an idealized or overly formal sense unless defined as here.
[00112] The present application will be further explained below through the description of the embodiments in conjunction with the drawings.
[00113] FIG. 1 is a flowchart of a method of creating a panoramic picture based on a large screen according to an embodiment of the present application. It should be noted that the method of creating the panoramic picture based on the large screen according to an embodiment of the present application is not limited to the steps and sequences in the flowchart shown in FIG. 1, and the steps in the flowchart may be added, removed or changed according to different requirements.
As shown in FIG. 1, the method of creating the panoramic picture based on the large screen includes the following steps: [00114] S10, a picture resolution of a target picture and a screen resolution of the large screen are obtained by a system.
[00115] The target picture refers to an object that will be combined to be the panoramic picture. In an embodiment, the target picture is a standard definition picture. That is, the picture resolution of the target picture is standard definition resolution. The standard definition resolution is generally 480p (720/480 pixel resolution, etc.) or 576p. The standard definition resolution is denoted by a nominal standard definition (SD).
[001 I 6] It is noted that 480 in 480p represents vertical resolution In an embodiment, 480 in 480p represents 480 horizontal scanning lines in a vertical direction.
[001 I 7] The target picture may be obtained from network or by shooting. Therefore, in order to improve quality of the panoramic picture, the target picture may be preprocessed. The preprocessing of the target picture refers to a processing rule set according to a user requirement, such as a brightness enhancement process on a target picture, or an editing process on the target picture. This processing rule is not limited, and may be variously set according to different scenes.
[00118] The large screen refers to the display screen of a screen diagonal size greater than 40 feet, such as a large screen in a direct-view color TV or a rear-projection TV. Therefore, the screen resolution of the large screen may be high-definition resolution (High-definition, HID), 720p (1280x720 pixel resolution), may be full high-definition resolution (Full High-definition, FHD), 1080p (1080 720 pixel resolution); may be ultra-high-definition resolution (Ultra High-definition, UTID), 4k (4096x2160 pixel resolution); and may also be a full ultrahigh-definition resolution (Full Ultra High-definition, FUHD), 8k (7680x4320 pixel resolution, 16:9).
[00119] The obtaining of picture resolution of target pictures and screen resolution of the large screen is implemented by: [00120] S I 1, upon monitoring a command for transmitting the target picture from a smart terminal, receiving the target picture and obtaining the picture resolution, wherein the picture resolution is expressed as a number of horizontal pixels of the target picture multiplied by a number of vertical pixels of the target picture, and [00121] S12, obtaining the screen resolution, wherein the screen resolution is expressed as a number of horizontal pixels of the large screen multiplied by a number of vertical pixels of the large screen.
[00122] In an embodiment, the screen resolution of the large screen is 1080p (1920*1080), where 1920 represents the number of the horizontal pixels, and 1080 represents the number of the vertical pixels. The picture resolution of the target picture is 720*640, where 720 represents the number of the horizontal pixels, and 640 represents the number of the vertical pixels.
[00123] 520, a resolution difference between the picture resolution and the screen resolution is calculated by the system, and the target picture is adjusted by the system according to the resolution difference, to obtain the large screen picture matching the screen resolution.
[00124] Since the picture resolution and the screen resolution each include the number of the horizontal pixels and the number of the vertical pixels, the calculating of the resolution difference between the picture resolution and the screen resolution is implemented by calculating the resolution difference between the number of the horizontal pixels in the picture resolution and the number of the horizontal pixels in the screen resolution and the resolution difference between the number of the vertical pixels in the picture resolution and the number of the vertical pixels in the screen resolution. In an embodiment, a resolution proportion is determined by calculating the resolution difference between the number of the horizontal pixels in the picture resolution and the number of the horizontal pixels in the screen resolution.
[00125] Further, a horizontal resolution difference value is obtained by differentiating the number of the horizontal pixels in the picture resolution from the number of the horizontal pixels in the screen resolution to; Since the screen resolution is greater than or equal to the picture resolution, the absolute value of the horizontal resolution difference is obtained.
[00126] If an absolute value of the horizontal resolution difference is equal to 0, the target picture is taken as the large screen picture matching the screen resolution. In other word, picture resolution of a target picture and screen resolution of the large screen; [00127] If the absolute value is not equal to 0, the absolute value of the horizontal resolution difference value is taken as the first number of pixels to be filled in a horizontal direction in the target picture.
[00128] For example:
[00129] the target picture: Pic _X (xl) = 6401/640 horizontal pixels in the horizontal direction; [00130] the large screen XDisplay (xl) = 1080// the physical display resolution of the large 30 screen; [00131] The horizontal resolution difference Dis ChaRu (xl) = large screen XDisplay (xl) -Pic X (xl) 1=1080-640=440. 440 is the horizontal resolution difference, and 440 is the first number of pixels to be filled in the horizontal direction in the target picture.
[00132] In a filling process, the first color to be filled is determined in advance, and the target picture is filled with the color pixel value after the color pixel value of the first color to be filled is obtained in pixels, so that the picture resolution of the large screen picture obtained after the target picture is filled is the same as and matched with the screen resolution of the large screen. [00133] The step of the system determining the first color to be filled, and obtaining the first color pixel value corresponding to the first color to be filled is implemented by [00134] S21 1, obtaining a color pixel value of each filling color in the target picture and a second number of pixels corresponding to the each filling color, wherein the color pixel value of the each filling color comprises an R value, a G value, and a B value; [00135] S212, calculating an R average value, a G average value, and a B average value for all pixels of the target picture based on the color pixel value of each filling color and the second number of pixels corresponding to the each filling color; and [00136] S213, determining a color corresponding to the R average value, the G average value and the B average value as the first color, and taking the R average value, the G average value and the B average value as the first color pixel value.
[00137] It will be appreciated that the color pixel values of the filling colors in the target picture each include an R value, a G value, and a B value. Therefore, the color, that is most present, of the red, green, and blue colors in the target picture is screened out by using an average pixel screening described above, and the color that is most present is taken as the first color to be filled, and the color pixel value includes the R average value, the G average value, and the B average value.
[00138] For example,
[00139] Ave PixeRGB (r1, gl, bl) = ["0", "128", "255"}// The average value is the pixels filled with blue.
[00140] After the first color to be filled is determined, the target picture is filled until the number of the filled pixels reaches the first number of pixels to be filled (for example, 440). At this time, the large screen picture of the moment the filling step stops is obtained. Thus, the picture resolution of the filled large screen picture is the same as the screen resolution.
[00141] S30, floating window layers are created by the system on the large screen picture, and a translation extension region and a direct-view region of interest corresponding to the type of screen resolution are configured and filled on the floating window layer by a preset algorithm, each of the translation extension region and the direct-view region of interest corresponds to a class of the screen resolution, the translation extension region is for converting the target picture into the large screen picture through a translation operation and an extension operation, and the direct-view region of interest is for converting the large screen picture into the panoramic picture through parallax; [00142] S40, a first transparency of the floating window layers corresponding to the translation extension region and a second transparency of the floating window layers corresponding to the direct-view region of interest are set by the system; and [00143] In an embodiment, the type of the screen resolution includes high-definition resolution and ultra-high-definition resolution. Therefore, a translation extension region and an interest direct view region are created for each of these two categories. The translation extension region may be seen as the target picture projecting to the large screen for a seamless connection.
The direct-view region of interest may be seen as a region where the target picture is projected to create a parallax.
[00144] (1) The step of creating the floating window layers on the large screen picture, and configuring and filling, on the floating window layer by a preset algorithm, the translation extension region and the direct-view region of interest corresponding to a type of the screen resolution are implemented by: [00145] S311: creating the floating window layer based on the screen resolution, the floating window layer having a size matching the large screen; [00146] S31 2: placing the floating window layer on top of the large screen picture; [00147] S3I3: configuring a first translation extension region on the floating window layer based on the target picture by a preset translation extension region algorithm; [00148] S3 I 4: taking first horizontal pixels of the target picture at a first horizontal proportion (such as 3/4) along a horizontal direction; [00149] S315: filling the first translation extension region with the first horizontal pixels; [00150] S316: applying a preset direct-view region-of-interest algorithm after filling the filled first translation extension region, to obtain a first direct-view region of interest, wherein the first translation extension region includes the first direct-view region of interest; [00151] S317: taking first vertical pixels of the target picture at a first vertical proportion (such as 1/2) along a vertical direction; and [00152] S318: filling the first direct-view region of interest with the first vertical pixels. [00153] The setting of the first and second transparencies of the floating window layers respectively corresponding to the translation extension region and the direct-view region of interest by the system is implemented by: [00154] S41 I, configuring the first transparency of the floating window layers corresponding to the first translation extension region to be semi-transparent; and [00155] S41 2, configuring the second transparency of the floating window layers corresponding to the first direct-view region of interest to be fully transparent.
[00156] In particular, as shown in Table 1 below, if the screen resolution is 1080p, the picture resolution of the target picture is, for example, 720* 640, and the horizontal pixels (such as 3*720/4=540) of the first horizontal proportion (e.g., 3/4) in the target picture are selected along the horizontal direction. At this time, 540 pixels are taken on each horizontal line, to obtain a pixel length on each horizontal line to configure the field of view (FOY) resolution of the first translation extension region. A length of the first translation extension region is 540. 540 pixels on each horizontal line in the target picture is taken by the translation extension algorithm to fill the first translation extension region, and the first transparency of the floating window layers corresponding to the first translation extension region from left to right is configured to be semi-transparent, that is, 50% [00157] It should be noted that the first direct-view region of interest is configured in accordance with the first translation extension region of the floating window layer. Therefore, after the first translation extension region is filled and configured, a direct-view region-of-interest algorithm is performed on the obtained first translation extension region from left to right, to obtain the first direct-view region of interest. The vertical pixels (such as I *640/2=320) of the first vertical proportion (e.g., 1/2) in the target picture are taken along the vertical direction. At this time, 320 pixels on each vertical line in the target picture are taken, to fill in the region of interest (R01) resolution of the first direct-view region of interest. The second transparency of the floating window layers corresponding to the first direct-view region of interest is configured to be fully transparent, that is, 100%.
[00158] (1) The creating of the floating window layers on the large screen picture and the configuring and filling of the translation extension region and the direct-view region of interest on the floating window layer by a preset algorithm are implemented by: [00159] S321, creating the floating window layer based on the screen resolution, the floating window layer having a size matching the large screen; [00160] S322, placing the floating window layer on top of the large screen picture; [00161] S323, calculating a high-definition picture corresponding to a high-definition resolution of the target picture, wherein the high-definition picture has a resolution greater than the picture resolution of the target picture; [00162] S324, configuring a second translation extension region on the floating window layer based on the high-definition picture by a preset translation extension region algorithm; [00163] S325, taking second horizontal pixels of the high-definition picture at a second horizontal proportion along a horizontal direction; [00164] S326, filling the second translation extension region with the second horizontal pixels; [00165] S327, applying a preset direct-view region-of-interest algorithm after filling the filled second translation extension region, to obtain a second direct-view region of interest, wherein the second translation extension region includes the second direct-view region of interest; [00166] S328, taking second vertical pixels of the high-definition picture at a second vertical proportion along a vertical direction; and [00167] S329, filling the second direct-view region of interest with the second vertical pixels.
[00168] The setting of the first and second transparencies of the floating window layers respectively corresponding to the translation extension region and the direct-view region of interest by the system is implemented by: [00169] S421, configuring the first transparency of the floating window layer corresponding to the second translation extension region to be semi-transparent; and [00170] S422, configuring the second transparency of the floating window layer corresponding to the second direct-view region of interest to be fully transparent and [00171] As shown in Table 1 below, if the screen resolution is 3840p, and the picture resolution of the target picture is, for example, 720*640, the target picture needs to be converted into a high-definition picture, and then the high-definition picture is converted into an ultra-high-definition picture (that is, the large screen picture). In an embodiment, the high-definition picture corresponding to the high-definition resolution of the target picture is calculated. The picture resolution of the high-definition picture is greater than the picture resolution of the target picture. That is, the high-definition picture may be the large-screen picture in the above (1).
[00172] The pixels (such as 4*1080/3=1440) of the second horizontal proportion (e.g., 4/3) in the high-definition picture are selected along the horizontal direction. At this time, 1440 pixels are taken on each horizontal line, to obtain a pixel length on each horizontal line to configure the second translation extension region FOV resolution. A length of the second translation extension region is 1440. 1440 pixels on each horizontal line in the high-definition picture is taken by the translation extension algorithm to fill the second translation extension region, and the transparency of the floating window layers corresponding to the second translation extension region from left to right is configured to be semi-transparent, that is, 50%.
[00173] It should be noted that the second direct-view region of interest is configured in accordance with the second translation extension region of the floating window layer. Therefore, after the second translation extension region is filled and configured, a direct-view region-of-interest algorithm is performed on the obtained second translation extension region from left to right, to obtain the second direct-view region of interest. The pixels (such as 3*720/4=540) of the second vertical proportion (e.g., 3/4) in the high-definition picture are taken along the vertical direction. At this time, 540 pixels on each vertical line in the high-definition picture are taken, to fill in the second direct-view region of interest ROI resolution. The transparency of the floating window layers corresponding to the second direct-view region of interest is configured to be fully transparent, that is, 100%.
Resolution Module Translation Extension Direct-view region-of-interest module Total Pixel region Module FOV resolution ROI resolution Total F1-1D360 Video(1080) 3/4*720 1/2 SD(640) 1080 540 320 860 4k 360 4/3* FHD(1 080) 3/4 HD(720) Video(3840) 3840 1440 540 1980
[00174] Table 1
[00175] 550, the floating window layers having the first transparency and the floating window layers having the second transparency are combined with the large screen picture to obtain the panoramic picture for the target picture.
[00176] In an embodiment, for different screen resolutions in steps 530 and 540, the floating window layers with the different layer transparencies and the large screen are combined to obtain a panoramic picture of the target pictures. In an embodiment, if the screen resolution is a high-definition resolution, a high-definition panoramic picture of the target picture is obtained by combining a floating window layers of different layer transparencies with the large screen picture by using a seamless superposition technology. If the screen resolution is ultra-high-definition resolution, an ultra-high-definition panoramic picture of the target picture is obtained by combining floating window layers of different layer transparencies with the large screen picture by using a seamless superposition technology.
[00177] Based on Step S10-Step S50, the present application generates a large-screen picture (i.e., a panoramic picture) matching the screen resolution based on the target picture by using the resolution difference, and then converts the large-screen picture into a three-dimensional panoramic picture through the floating window layers of different layer transparencies, the translation extension region algorithm, the direct-view region-of-interest algorithm, and a seamless superposition technology. Therefore, the smart large-screen is combined with the VR technology, so that the smart large-screen can also provide a panoramic picture of 360°, thereby improving the visual experience of the user, expanding the promotion, and facilitating the user.
[00178] Based on the method for creating a panoramic picture based on a large screen, the present application further provides an apparatus for creating a panoramic picture based on a large screen according to an embodiment of the present application. Referring to FIG. 2 illustrating a block diagram of an apparatus for creating a panoramic picture based on a large screen according to an embodiment of the present application. The apparatus may include an obtaining module 100, a resolution adjustment module 200, a translation extension region module 300, a direct-view region-of-interest module 400, and a panorama combining module 500. FIG. 2 illustrates only some of the components of the apparatus, but it is to be understood that not all of the illustrated components are required to be implemented, and that more or fewer components may alternatively be implemented. The apparatus may be any device that can be networked, such as a mobile phone, an iPad, a desktop computer, or the like.
[00179] The obtaining module 100 is configured to obtain a pc ure resolution of a target picture and a screen resolution of the large screen; [00180] The resolution adjustment module 200 is configured to calculate a resolution difference between the picture resolution and the screen resolution and adjust the target picture based on the resolution difference to obtain a large screen picture matching the screen resolution; [00181] The translation extension region module 300 is configured to create a floating window layers on the large screen picture, configure and fill a translation extension region corresponding to a class of the screen resolution on the floating window layer by a preset algorithm, and set a first transparency of the floating window layer corresponding to the translation extension region, wherein the translation extension region is for converting the target picture into the large screen picture through a translation operation and an extension operation; [00182] The direct-view region-of-interest module 400 is configured to configure and fill a direct-view region of interest based on the translation extension region module by a direct-view region-of-interest algorithm, and set a second transparency of the floating window layers corresponding to the direct-view region of interest, wherein the direct-view region of interest is for converting the large screen picture into the panoramic picture through parallax; [00183] The panorama combining module 500 is configured to combine the floating window layers having the first transparency and the floating window layers having the second transparency with the large screen picture to obtain the panoramic picture for the target picture.
[00184] The present application further provides a smart terminal. As shown in FIG. 3, the smart terminal may be any device that can be networked, such as a mobile phone, an iPad, a desktop computer, or the like. The smart terminal 1 includes a processor 20 and a memory 22 connected to the processor 20. FIG. 3 illustrates only some of the components of the smart terminal 1, but it is to be understood that not all of the illustrated components are required to be implemented, and that more or fewer components may alternatively be implemented.
[00185] In some embodiments, the memory 22 may be an internal storage unit of the smart 30 terminal 1, such as a memory of the smart terminal 1. In other embodiments, the memory 22 may further be an external storage device of the smart terminal 1, such as a plug-in Ii SB disk provided on the smart terminal 1, a Smart Media Card (SMC), a Secure Digital (SD) card, a Flash Card, etc. Further, the memory 22 may further include both an internal storage unit and an external storage device of the smart terminal 1. The memory 22 is configured to store application software installed on the smart terminal 1 and various types of data, such as display program code of a web page.
The memory 22 may further be configured to temporarily store data that has been or is to be output.
In an embodiment, the memory 22 stores a display program of a web page, which may be executed by the processor 20 to perform: [00186] the obtaining module configured to obtain picture resolutions of target pictures and screen resolution of the large screen; [00187] the resolution adjustment module configured to calculate a resolution difference between the picture resolution and the screen resolution, and to adjust the target picture according to the resolution difference, to obtain the large screen picture matching the screen resolution [00188] the translation extension region module configured to create floating window layers on the large screen picture, configure and fill a translation extension region corresponding to a type of the screen resolution on the floating window layer by a preset algorithm, set the layer transparencies of the floating window layers corresponding to the translation extension region and the interested direct-viewing region, the translation extension region configured to convert the target picture into the large screen picture through a translation operation and an extension operation; [00189] the direct-view region-of-interest module 400 configured to configure and fill the direct-view region of interest according to the translation extension region module through the direct-view region-of-interest algorithm, the direct-view region of interest is configured to convert the large screen picture into a panoramic picture through parallax; and [00190] the panorama combining module configured to combine the floating window layers of the different layer transparencies and the large screen picture to obtain a panoramic picture of the target pictures. The method is described above.
[00191] In some embodiments, the processor 20 may be a central processing unit (CPU), microprocessor, handset baseband processor, or other data processing chip, and configured to run program code or processing data stored in the memory 22. In an embodiment, the processor 20 is configured to perform a method of creating panoramic pictures based on a large screen.
[00192] An embodiment of the present application is directed to a computer readable storage medium having stored thereon a computer program executable by a processor 20 to perform the steps in any of the method of creating the panoramic picture based on the large screen according to embodiments of the present disclosure. The method is described above.
[00193] A person of ordinary skill in the art may understand that all or parts of the processes for implementing the methods of the above-described embodiments may be implemented by instructing relevant hardware (e.g., a processor, a controller, etc.) by a computer program. The computer program may be stored in a non-volatile computer readable storage medium, and the computer program may, when executed, include the processes of the embodiments of the methods described above. The storage medium may be a memory, a magnetic disk, an optical disk, or the like.
[00194] It may be understood that the present application is not limited to the above examples. Various equivalent replacements or changes may be made by those of ordinary skill in the art based on the above description, and all these equivalent replacements or changes should fall within the scope of the appended claims of the present application.
Claims (20)
- WHAT IS CLAIMED IS: 1. A method of creating a panoramic picture based on a large screen, comprising: obtaining a picture resolution of a target picture and a screen resolution of the large screen; calculating a resolution difference between the picture resolution and the screen resolution, and adjusting the target picture based on the resolution difference to obtain a large screen picture matching the screen resolution; creating floating window layers on the large screen picture, and configuring and filling a translation extension region and a direct-view region of interest on the floating window layer by a preset algorithm, wherein each of the translation extension region and the direct-view region of interest corresponds to a class of the screen resolution, the translation extension region is for converting the target picture into the large screen picture through a translation operation and an extension operation, and the direct-view region of interest is for converting the large screen picture into the panoramic picture through parallax; setting a first transparency of the floating window layers corresponding to the translation extension region and a second transparency of the floating window layers corresponding to the direct-view region of interest; and combining the floating window layers having the first transparency and the floating window layers having the second transparency with the large screen picture to obtain the panoramic picture for the target picture.
- 2. The method of claim 1, wherein the obtaining of the picture resolution and the screen resolution comprises: upon monitoring a command for transmitting the target picture from a smart terminal, receiving the target picture and obtaining the picture resolution, wherein the picture resolution is expressed as a number of horizontal pixels of the target picture multiplied by a number of vertical pixels of the target picture; and obtaining the screen resolution, wherein the screen resolution is expressed as a number of horizontal pixels of the large screen multiplied by a number of vertical pixels of the large screen.
- 3. The method of claim 2, wherein the calculating of the resolution difference comprises: calculating a difference between the number of the horizontal pixels of the target picture and the number of the horizontal pixels of the large screen as a horizontal resolution difference; and calculating a difference between the number of the vertical pixels of the target picture and the number of the vertical pixels of the large screen as a vertical resolution difference.
- 4. The method of claim 3, wherein the adjusting of the target picture based on the resolution difference to obtain the large screen picture comprises: differentiating the number of the horizontal pixels in the picture resolution from the number of the horizontal pixels in the screen resolution to obtain a horizontal resolution difference value; and if an absolute value of the horizontal resolution difference s equal to 0, taking the target picture as the large screen picture.
- 5. The method of claim 4, wherein the adjusting of the target picture based on the resolution difference to obtain a large screen picture comprises: if the absolute value is not equal to 0, taking the absolute value as a first number of pixels to be filled in a horizontal direction of the target picture.
- 6. The method of claim 5, wherein the taking of the absolute value of the horizontal resolution difference value as the number of pixels to be filled in the horizontal direction in the target picture comprises: determining a first color to be filled and obtaining a first color pixel value corresponding to the first color; and filling the target picture based on the first color pixel value to obtain the large screen picture.
- 7. The method of claim 6, wherein the determining of the first color and the obtaining of the first color pixel value comprise: obtaining a color pixel value of each filling color in the target picture and a second number of pixels corresponding to the each filling color, wherein the color pixel value of the each filling color comprises an R value, a G value, and a B value; calculating an R average value, a G average value, and a B average value for all pixels of the target picture based on the color pixel value of each filling color and the second number of pixels corresponding to the each filling color; and determining a color corresponding to the R average value, the G average value and the B average value as the first color, and taking the R average value, the G average value and the B average value as the first color pixel value.
- 8. The method of claim 1, wherein the class of the screen resolution is high-definition resolution; and the creating of the floating window layers on the large screen picture and the configuring and filling of the translation extension region and the direct-view region of interest comprise: creating the floating window layer based on the screen resolution, the floating window layer having a size matching the large screen; placing the floating window layer on top of the large screen picture; configuring a first translation extension region on the floating window layer based on the target picture by a preset translation extension region algorithm; taking first horizontal pixels of the target picture at a first horizontal proportion along a horizontal direction; filling the first translation extension region with the first horizontal pixels; applying a preset direct-view region-of-interest algorithm to the filled first translation extension region, to obtain a first direct-view region of interest, wherein the first translation extension region includes the first direct-view region of interest; taking first vertical pixels of the target picture at a first vertical proportion along a vertical direction; and filling the first direct-view region of interest with the first vertical pixels.
- 9. The method of claim 8, wherein the setting of the first transparency and the second transparency comprises: configuring the first transparency of the floating window layers corresponding to the first translation extension region to be semi-transparent; and configuring the second transparency of the floating window layers corresponding to the first direct-view region of interest to be fully transparent
- 10. The method of claim 9, wherein the combining of the floating window layers having the first transparency and the floating window layers having the second transparency with the large screen picture to obtain the panoramic picture for the target picture comprises: combining, by using a seamless superposition technology, the floating window layers having the first transparency and the floating window layers having the second transparency with the large screen picture to obtain a high-definition panoramic picture for the target picture.
- 11. The method of claim 1, wherein the class of the screen resolution is ultra-high-definition resolution; and the creating of the floating window layers on the large screen picture and the configuring and filling of the translation extension region and the direct-view region of interest comprise: creating the floating window layer based on the screen resolution, the floating window layer having a size matching the large screen; placing the floating window layer on top of the large screen picture; calculating a high-definition picture corresponding to a high-definition resolution of the target picture, wherein the high-definition picture has a resolution greater than the picture resolution of the target picture; configuring a second translation extension region on the floating window layer based on the high-definition picture by a preset translation extension region algorithm; taking second horizontal pixels of the high-definition picture at a second horizontal proportion along a horizontal direction; filling the second translation extension region with the second horizontal pixels; applying a preset direct-view region-of-interest algorithm to the filled second translation extension region, to obtain a second direct-view region of interest, wherein the second translation extension region includes the second direct-view region of interest; taking second vertical pixels of the high-definition picture at a second vertical proportion along a vertical direction; and filling the second direct-view region of interest with the second vertical pixels.
- 12. The method of claim II, wherein the setting of the first transparency and the second transparency comprises: configuring the first transparency of the floating window layers corresponding to the second translation extension region to be semi-transparent; and configuring the second transparency of the floating window layers corresponding to the second direct-view region of interest to be fully transparent.
- 13. The method of claim 12, wherein the combining of the floating window layers having the first transparency and the floating window layers having the second transparency with the large screen picture to obtain the panoramic picture for the target picture comprises: combining, by using a seamless superposition technology, the floating window layers having the first transparency and the floating window layers having the second transparency with the large screen picture to obtain an ultra-high-definition panoramic picture for the target picture.
- 14. An apparatus for creating a panoramic picture based on a large screen, comprising: an obtaining module for obtaining a picture resolution of a target picture and a screen resolution of the large screen; a resolution adjustment module for calculating a resolution difference between the picture resolution and the screen resolution and adjusting the target picture based on the resolution difference to obtain a large screen picture matching the screen resolution; a translation extension region module for creating a floating window layers on the large screen picture, configuring and filling a translation extension region corresponding to a class of the screen resolution on the floating window layer by a preset algorithm, and setting a first transparency of the floating window layers corresponding to the translation extension region, wherein the translation extension region is for converting the target picture into the large screen picture through a translation operation and an extension operation; a direct-view region-of-interest module for configuring and filling a direct-view region of interest based on the translation extension region module by a direct-view region-of-interest algorithm, and setting a second transparency of the floating window layers corresponding to the direct-view region of interest, wherein the direct-view region of interest is for converting the large screen picture into the panoramic picture through parallax; and a panorama combining module for combining the floating window layers having the first transparency and the floating window layers having the second transparency with the large screen picture to obtain the panoramic picture for the target picture.
- 15. The apparatus of claim 14, wherein theobtaining of the picture resolution and the screen resolution comprises: upon monitoring a command for transmitting the target picture from a smart terminal, receiving the target picture and obtaining the picture resolution, wherein the picture resolution is expressed as a number of horizontal pixels of the target picture multiplied by a number of vertical pixels of the target picture; and obtaining the screen resolution, wherein the screen resolution is expressed as a number of horizontal pixels of the large screen multiplied by a number of vertical pixels of the large screen.
- 16. The apparatus of claim 15, wherein the adjusting of the target picture based on the resolution difference to obtain the large screen picture comprises:differentiating the number of the horizontal pixels in the picture resolution from the number of the horizontal pixels in the screen resolution to obtain a horizontal resolution difference value; and if an absolute value of the horizontal resolution difference is equal to 0, taking the target picture as the large screen picture; or if the absolute value is not equal to 0, taking the absolute value as a first number of pixels to be filled in a horizontal direction of the target picture.
- 17. The apparatus of claim 14, wherein the class of the screen resolution is high-definition resolution; and the creating of the floating window layer on the large screen picture and the configuring and filling of the translation extension region and the direct-view region of interest comprise: creating the floating window layer based on the screen resolution, the floating window layer having a size matching the large screen placing the floating window layer on top of the large screen picture; configuring a first translation extension region on the floating window layer based on the target picture by a preset translation extension region algorithm * taking first horizontal pixels of the target picture at a first horizontal proportion along a horizontal direction; filling the first translation extension region with the first horizontal pixels applying a preset direct-view region-of-interest algorithm to the filled first translation extension region, to obtain a first direct-view region of interest, wherein the first translation extension region includes the first direct-view region of interest; taking first vertical pixels of the target picture at a first vertical proportion along a vertical direction; and filling the first direct-view region of interest with the first vertical pixels.
- 18. The apparatus of claim 14, wherein the class of the screen resolution is ultra-highdefinition resolution; and the creating of the floating window layer on the large screen picture and the configuring and filling of the translation extension region and the direct-view region of interest comprise: creating the floating window layer based on the screen resolution, the floating window layer having a size matching the large screen; placing the floating window layer on top of the large screen picture; calculating a high-definition picture corresponding to a high-definition resolution of the target picture, wherein the high-definition picture has a resolution greater than the picture resolution of the target picture; configuring a second translation extension region on the floating window layer based on the high-definition picture by a preset translation extension region algorithm; taking second horizontal pixels of the high-definition picture at a second horizontal proportion along a horizontal direction; filling the second translation extension region with the second horizontal pixels; applying a preset direct-view region-of-interest algorithm to the filled second translation extension region, to obtain a second direct-view region of interest, wherein the second translation extension region includes the second direct-view region of interest; taking second vertical pixels of the high-definition picture at a second vertical proportion along a vertical direction; and filling the second direct-view region of interest with the second vertical pixels.
- 19. A smart terminal, comprising a large screen display, a processor and a memory storing a program executable by the processor to implement the method of any one of claims 1 to 13
- 20. A computer readable storage medium having stored thereon a computer program executable by a processor to implement the method of any one of claims 1 to 13.
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| CN108307219A (en) * | 2017-11-07 | 2018-07-20 | 深圳市佳创视讯技术股份有限公司 | A kind of high definition television panoramic video intelligence methods of exhibiting |
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| Publication number | Publication date |
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| CN114518860A (en) | 2022-05-20 |
| JP2023550764A (en) | 2023-12-05 |
| GB202308579D0 (en) | 2023-07-26 |
| CN114518860B (en) | 2023-08-01 |
| WO2022105584A1 (en) | 2022-05-27 |
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