CN113535993A - Work cover display method, device, medium and electronic equipment - Google Patents
Work cover display method, device, medium and electronic equipment Download PDFInfo
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- CN113535993A CN113535993A CN202110875204.XA CN202110875204A CN113535993A CN 113535993 A CN113535993 A CN 113535993A CN 202110875204 A CN202110875204 A CN 202110875204A CN 113535993 A CN113535993 A CN 113535993A
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
- G06F16/44—Browsing; Visualisation therefor
Abstract
The present disclosure relates to a work cover display method, apparatus, medium, and electronic device, the method comprising: receiving an acquisition request of a multimedia work; responding to the acquisition request to acquire a multimedia work, wherein the multimedia work comprises a dynamic cover picture; detecting whether the dynamic cover picture has display abnormity; and if the display abnormality of the dynamic cover picture is detected, replacing the dynamic cover picture with a static cover picture, and returning the multimedia work comprising the replaced static cover picture. The embodiment of the disclosure can reduce the waste of data flow when the dynamic cover map is displayed abnormally, and solves the problem of flash of the dynamic cover map in addition, so that the cover display visual effect of multimedia works such as videos is better.
Description
Technical Field
The disclosed embodiments relate to the field of computer technologies, and in particular, to a work cover display method, a work cover display apparatus, and a computer-readable storage medium and an electronic device for implementing the work cover display method.
Background
With the development of the mobile internet, video works such as short videos are more and more popular. In order to make the user as interested as possible and thus choose to click to play the video, a corresponding video cover may typically be provided to the video work to attract the user to click to play the video.
In the related art, the video cover can adopt a dynamic cover map, which can provide richer information, thereby increasing the probability of the user clicking to play the video.
However, when the video cover adopts a dynamic cover map, some display abnormalities exist, for example, if multiple frames of images forming the dynamic cover map are the same, the video cover display effect is a static image, but actually is a dynamic image, which causes waste of a certain data flow; in addition, if the difference of the images of the adjacent frames forming the dynamic cover picture is too large, the phenomenon of flash jump can be caused, the visual effect of the video cover display is poor, particularly when the video works of the user are displayed in an integrated mode, the overall harmony of the display pages is poor, the visual impression is influenced, and therefore the probability that the user clicks to play the video is reduced.
Disclosure of Invention
In order to solve the technical problem or at least partially solve the technical problem, embodiments of the present disclosure provide a work cover display method, a work cover display apparatus, and a computer-readable storage medium and an electronic device implementing the work cover display method.
In a first aspect, an embodiment of the present disclosure provides a work cover display method, including:
receiving an acquisition request of a multimedia work;
responding to the acquisition request to acquire a multimedia work, wherein the multimedia work comprises a dynamic cover picture;
detecting whether the dynamic cover picture has display abnormity;
and if the display abnormality of the dynamic cover picture is detected, replacing the dynamic cover picture with a static cover picture, and returning the multimedia work comprising the replaced static cover picture.
Optionally, in some embodiments of the present disclosure, the step of detecting whether there is a display abnormality in the dynamic cover map includes:
acquiring continuous N frames of images belonging to the dynamic cover picture, wherein N is a natural number greater than 1;
determining attribute parameter values of any two adjacent images in the continuous N frames of images to obtain (N-1) attribute parameter values of the two adjacent images, wherein the attribute parameter values are related to pixels of the images;
and when the attribute parameter value of each two adjacent frames of images is greater than or equal to the attribute parameter threshold value, determining that the dynamic cover picture has abnormal display.
Optionally, in some embodiments of the present disclosure, the step of determining the attribute parameter value of any two adjacent images in the consecutive N frames of images includes:
calculating the pixel difference value of each corresponding pixel point in two adjacent frames of images;
determining the number of target pixel points in two adjacent frames of images, wherein the target pixel points are pixel points of which the pixel difference value is greater than a preset pixel threshold value in the two adjacent frames of images;
and calculating the ratio of the number of the target pixel points to the total number of the pixel points of any one of the two adjacent frames of images, and taking the ratio as the attribute parameter value.
Optionally, in some embodiments of the present disclosure, the step of calculating a pixel difference value of each corresponding pixel point in two adjacent frames of images includes:
respectively preprocessing two adjacent frames of images into a corresponding first three-channel image and a corresponding second three-channel image;
calculating a red component difference value, a green component difference value and a blue component difference value of each corresponding pixel point in the first three-channel image and the second three-channel image;
and calculating the sum of the absolute values of the red component difference, the green component difference and the blue component difference, and taking the sum as the pixel difference.
Optionally, in some embodiments of the present disclosure, before the step of calculating a red component difference value, a green component difference value, and a blue component difference value of each corresponding pixel point in the first three-channel image and the second three-channel image, the method further includes:
and normalizing the pixel value of each pixel point in the first three-channel image and the second three-channel image to a preset value range.
Optionally, in some embodiments of the present disclosure, the step of detecting whether there is a display abnormality in the dynamic cover map includes:
acquiring continuous N frames of images belonging to the dynamic cover picture, wherein N is a natural number greater than 1;
determining the similarity of any two adjacent images in the continuous N frames of images to obtain the similarity of (N-1) two adjacent images;
and when the similarity of each two adjacent frames of images is greater than or equal to a preset similarity threshold value, determining that the dynamic cover picture has abnormal display.
Optionally, in some embodiments of the present disclosure, the step of detecting whether there is a display abnormality in the dynamic cover map includes:
acquiring a multi-frame image belonging to the dynamic cover picture;
judging whether each frame of image in the multi-frame image is the same;
and determining that the dynamic cover picture has display abnormality when each frame of image in the multi-frame images is the same.
Optionally, in some embodiments of the present disclosure, there are a plurality of the multimedia works, and the method further includes:
detecting whether display abnormality exists in respective dynamic cover pictures of a plurality of multimedia works;
and replacing the dynamic cover picture of the target multimedia work with abnormal display with a static cover picture, and returning the target multimedia work and the residual multimedia works comprising the replaced static cover picture, wherein the residual multimedia works are a plurality of multimedia works except the target multimedia work.
In a second aspect, an embodiment of the present disclosure provides a work cover display device, including:
the request receiving module is used for receiving an acquisition request of the multimedia works;
the work acquisition module is used for responding to the acquisition request to acquire a multimedia work, and the multimedia work comprises a dynamic cover page picture;
the abnormity detection module is used for detecting whether the dynamic cover map has abnormal display;
and the replacing and displaying module is used for replacing the dynamic cover picture with the static cover picture and returning the multimedia works comprising the replaced static cover pictures when the abnormity detection module detects that the dynamic cover picture has abnormal display.
In a third aspect, the disclosed embodiments provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the work cover displaying method according to any one of the embodiments.
In a fourth aspect, an embodiment of the present disclosure provides an electronic device, including:
a processor; and
a memory for storing a computer program;
wherein the processor is configured to execute the steps of the work cover display method of any of the above embodiments via execution of the computer program.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
the method, the device, the medium and the electronic equipment for displaying the cover of the work receive an acquisition request of a multimedia work, respond to the acquisition request to acquire the multimedia work, wherein the multimedia work comprises a dynamic cover picture, detect whether the dynamic cover picture is displayed abnormally or not, replace the dynamic cover picture with a static cover picture if the dynamic cover picture is detected to be displayed abnormally, and return the multimedia work comprising the replaced static cover picture. Therefore, the abnormal display detection of the dynamic cover map of the multimedia works can be realized, when the dynamic cover map has abnormal display, the dynamic cover map is directly replaced by the static cover map, and thus, the waste of data flow can be reduced when the dynamic cover map has abnormal display; in addition, the jump flash phenomenon of the dynamic cover map is solved, so that the visual effect of the cover display of multimedia works such as videos is better, when the video works of the user are displayed simultaneously, the overall harmony of the displayed pages is better, the visual impression is good, and the probability of clicking the played videos by the user can be increased to a certain extent.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a flowchart of a cover display method for a work according to an embodiment of the present disclosure;
FIG. 2 is a flowchart of a work cover display method according to another embodiment of the present disclosure;
FIG. 3 is a flowchart of a work cover display method according to yet another embodiment of the present disclosure;
FIG. 4 is a flowchart of a work cover display method according to yet another embodiment of the present disclosure;
FIG. 5 is a schematic view of a cover display device of a work of an embodiment of the present disclosure;
fig. 6 is a schematic view of an electronic device for implementing a work cover display method according to an embodiment of the present disclosure.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
It is to be understood that, hereinafter, "at least one" means one or more, "a plurality" means two or more. "and/or" is used to describe the association relationship of the associated objects, meaning that there may be three relationships, for example, "a and/or B" may mean: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of single item(s) or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.
Fig. 1 is a flowchart of a work cover display method according to an exemplary embodiment of the present disclosure, where the work cover display method may be executed by a server or a client. In this embodiment, the server executes an example to explain, and the method may specifically include the following steps:
step S101: an acquisition request for a multimedia work is received.
Illustratively, the server may be a video server corresponding to, for example, a video application installed on a client, such as a smartphone. The multimedia work may be, for example, but not limited to, an audio work or a video work, and in the present embodiment, a video work such as a short video work is taken as an example.
The user can shoot through the smart mobile phone and make short video works, and the user-defined cover picture that sets up short video works such as static cover picture or dynamic cover picture, and later this short video works of making can be published through video application and upload to video server, thereby other users can open video application on the smart mobile phone of oneself and obtain the short video works that oneself or other people uploaded from video server and watch.
Specifically, as an example, after a user clicks and opens a video application, for example, a nickname of one user is clicked in a display interface of the video application to trigger an acquisition request for generating a short video work, where the acquisition request may include a user identifier such as a nickname or an ID. The acquisition request is sent by the video application to the video server, i.e. the video server receives the acquisition request.
Step S102: and responding to the acquisition request to acquire a multimedia work, wherein the multimedia work comprises a dynamic cover picture.
Specifically, the video server responds to the request for obtaining the short video works, and obtains one or more short video works of the corresponding user from the video server, for example, a short video work or a video work set, which is a plurality of short video works of the corresponding user, is obtained based on the user identifier, and each short video work may include a dynamic cover map, where the dynamic cover map is formed by multiple frames of images extracted from the short video works.
Step S103: and detecting whether the dynamic cover picture has display abnormality.
Specifically, after the video server acquires the short video work, the video server detects a dynamic cover map of the short video work, and determines whether the dynamic cover map has display abnormality, for example, the display abnormality is actually a dynamic map but the display effect is static, or a flash phenomenon occurs, that is, the difference between images of adjacent frames constituting the dynamic cover map is too large, and the display visual effect is poor.
Step S104: and if the display abnormality of the dynamic cover picture is detected, replacing the dynamic cover picture with a static cover picture, and returning the multimedia work comprising the replaced static cover picture.
Specifically, when the video server detects and determines that the display of the dynamic cover map of the short video work is abnormal, the dynamic cover map is replaced by the static cover map, namely the short video work is replaced, and the replaced short video work is returned to the video application program to be displayed. The static cover sheet may be a static cover sheet customized by the short video work previously made by the user, but is not limited thereto.
The method for displaying the cover of the work can realize the abnormal display detection of the dynamic cover map of the multimedia work, when the dynamic cover map has abnormal display, the dynamic cover map is directly replaced by the static cover map, and then the short video work after replacement is returned to the video application program for display, so that the returned short video work when the dynamic cover map is abnormal in display comprises one frame of static cover map instead of the dynamic cover map formed by multiple frames of images, and the waste of data flow can be reduced; in addition, the client displays the replaced short video works, the problem of the flash phenomenon of a dynamic cover map is solved, the visual effect of the cover display of the multimedia works such as videos is good, when the client simultaneously displays the video works of the user, the whole harmony of the display pages is good, the visual impression is good, and the probability that the user clicks to play the videos can be increased to a certain degree.
Optionally, in some embodiments of the present disclosure, referring to fig. 2, the step of detecting whether the dynamic cover map has a display abnormality in step S103 may specifically include the following steps:
step S201: acquiring continuous N frames of images belonging to the dynamic cover picture, wherein N is a natural number greater than 1.
Illustratively, for example, the value of N is 5, but is not limited thereto. At this point, a series of 5 images constituting the dynamic cover picture, such as image 1, image 2, image 3, image 4, and image 5, arranged in sequence, may be acquired.
Step S202: and determining the attribute parameter values of any two adjacent images in the continuous N frames of images to obtain (N-1) attribute parameter values of the two adjacent images, wherein the attribute parameter values are related to pixels of the images.
Illustratively, after determining 5 consecutive frames of images, such as image 1, image 2, image 3, image 4 and image 5, the attribute parameter values of two adjacent frames of images are determined, for example, attribute parameter value 1 of image 1 and image 2, attribute parameter value 2 of image 2 and image 3, attribute parameter value 3 of image 3 and image 4, and attribute parameter value 4 of image 4 and image 5, that is, the attribute parameter values of 4 adjacent frames of images are obtained altogether.
Step S203: and when the attribute parameter value of each two adjacent frames of images is greater than or equal to the attribute parameter threshold value, determining that the dynamic cover picture has abnormal display.
Illustratively, when, for example, the above-mentioned attribute parameter value 1, attribute parameter value 2, attribute parameter value 3, and attribute parameter value 4 are all greater than or equal to the attribute parameter threshold value X, it is determined that the dynamic cover exists a display abnormality, and then the process returns to execute step S104.
According to the cover display method of the work, the display abnormality of the dynamic cover map of the multimedia work can be detected more accurately by detecting the attribute parameter values of two adjacent frames of images in the dynamic cover map, when the display abnormality of the dynamic cover map is detected, the dynamic cover map is directly replaced by the static cover map, and then the replaced short video work is returned to the video application program for display, so that the returned short video work comprises one frame of static cover map instead of the dynamic cover map formed by multiple frames of images when the display abnormality of the dynamic cover map is detected, and the waste of data flow can be reduced; in addition, the client displays the replaced short video works, the problem of the flash phenomenon of a dynamic cover map is solved, the visual effect of the cover display of the multimedia works such as videos is good, when the client simultaneously displays the video works of the user, the whole harmony of the display pages is good, the visual impression is good, and the probability that the user clicks to play the videos can be increased to a certain degree.
Optionally, on the basis of the foregoing embodiments, in some embodiments of the present disclosure, as shown in fig. 3, the step of determining the attribute parameter value of any two adjacent images in the consecutive N frame images in step S202 may specifically include the following steps:
step S301: and calculating the pixel difference value of each corresponding pixel point in the two adjacent frames of images.
It is understood that, since the N consecutive images of the dynamic cover picture are from the short video work, each frame of image contains the same number of pixels, for example, image 1 and image 2 both include 10000 pixels, which is only an example and not a limitation herein.
In this embodiment, for two adjacent frames of images, such as image 1 and image 2, a pixel difference value of each corresponding pixel in image 1 and image 2 is calculated, for example, pixel a in image 1 corresponds to pixel a 'in image 2, and it is determined that the pixel value of pixel a is P1, and the pixel value of pixel a' is P2, and the pixel difference value P is P1-P2. The pixel difference values are determined in the same way for other pixel points in the image 1 and the image 2 until, for example, 10000 pixel difference values are determined. Other adjacent two frames of images such as image 2 and image 3, image 3 and image 4, and image 4 and image 5 are also calculated in the same manner to determine the pixel difference, and will not be described in detail here.
Step S302: determining the number of target pixel points in two adjacent frames of images, wherein the target pixel points are pixel points of which the pixel difference value is greater than a preset pixel threshold value in the two adjacent frames of images.
For example, the preset pixel threshold may be set according to needs, and is not limited in this respect. Specifically, as an example, 10000 pixel differences in the image 1 and the image 2 are determined in the above manner, then pixels with pixel differences larger than a preset pixel threshold value, that is, target pixels, are selected from the 10000 pixel differences, and finally, the number of the target pixels is counted, for example, 9000 target pixels are provided.
Step S303: and calculating the ratio of the number of the target pixel points to the total number of the pixel points of any one of the two adjacent frames of images, and taking the ratio as the attribute parameter value.
Specifically, a ratio of the number of target pixel points, such as 9000, to the total number of pixel points, such as 10000, of any one of the two adjacent images, is calculated, that is, 9000/10000 is equal to 90%, and the ratio of 90% is the attribute parameter value 1 of the image 1 and the image 2. The calculation of the attribute parameter values of the other two adjacent frames of images is also the same process as described above. After step S303, the process goes to step S203 to determine whether the dynamic cover map has abnormal display.
According to the method for displaying the cover of the work, the attribute parameter value is determined through the pixel difference value of two adjacent frames of images in the dynamic cover picture and then the detection is carried out, the display abnormity of the dynamic cover picture of the multimedia work can be accurately detected, when the display abnormity of the dynamic cover picture is detected, the dynamic cover picture is directly replaced by the static cover picture, then the replaced short video work is returned to the video application program to be displayed, and therefore the returned short video work comprises the dynamic cover picture formed by one frame of static cover picture instead of multiple frames of images when the display abnormity of the dynamic cover picture is detected, and the waste of data flow can be reduced; in addition, the client displays the replaced short video works, the problem of the flash phenomenon of a dynamic cover map is solved, the visual effect of the cover display of the multimedia works such as videos is good, when the client simultaneously displays the video works of the user, the whole harmony of the display pages is good, the visual impression is good, and the probability that the user clicks to play the videos can be increased to a certain degree.
Optionally, on the basis of the above embodiments, in some embodiments of the present disclosure, as shown in fig. 4, the step of calculating a pixel difference value of each corresponding pixel point in two adjacent frames of images in step S301 may specifically include the following steps:
step S401: and respectively preprocessing two adjacent frames of images into a corresponding first three-channel image and a corresponding second three-channel image.
Illustratively, the first three-channel image and the second three-channel image are red, green, and blue (RGB) three-channel images. For example, two adjacent frames of images 1 and 2 are preprocessed into an RGB three-channel image 1 and an RGB three-channel image 2, respectively.
Step S402: and calculating a red component difference value, a green component difference value and a blue component difference value of each corresponding pixel point in the first three-channel image and the second three-channel image.
Illustratively, for example, a pixel point a in an image 1, that is, an RGB three-channel image 1, corresponds to a pixel point a 'in an image 2, that is, an RGB three-channel image 2, and a red component difference R, a green component difference G, and a blue component difference B of the corresponding pixel point (a and a') in the RGB three-channel image 1 and the RGB three-channel image 2 are calculated, where R is R1-R2, G is G1-G2, and B is B1-B2.
Wherein, R1 is a red component at a pixel point a in the RGB three-channel image 1, R2 is a red component at a pixel point a ' in the RGB three-channel image 2, G1 is a green component at a pixel point a in the RGB three-channel image 1, G2 is a green component at a pixel point a ' in the RGB three-channel image 2, B1 is a blue component at a pixel point a in the RGB three-channel image 1, and B2 is a blue component at a pixel point a ' in the RGB three-channel image 2. And determining the red component difference value, the green component difference value and the blue component difference value by other pixel points in the RGB three-channel image 1 and the RGB three-channel image 2 in the same manner.
Step S403: and calculating the sum of the absolute values of the red component difference, the green component difference and the blue component difference, and taking the sum as the pixel difference.
For example, after the red component difference R, the green component difference G, and the blue component difference B of the corresponding pixel points (a and a ') in the RGB three-channel image 1 and the RGB three-channel image 2 are obtained through calculation, a sum H of respective absolute values of the red component difference R, the green component difference G, and the blue component difference B is calculated, where H is | R | + | G | + | B |, the sum H is used as a pixel difference value of the corresponding pixel points such as (a and a') in the image 1 and the image 2, and one pixel difference value, for example, the above-mentioned 10000 pixel difference values, can be obtained for a plurality of corresponding pixel points in the image 1 and the image 2. The pixel difference values of other adjacent two frame images, such as image 2 and image 3, may also be determined based on this. After step S403, the execution of the above steps S302 to S303) can be skipped.
According to the work cover display method provided by the embodiment of the disclosure, two adjacent frames of images in a dynamic cover map are converted into three-channel images, then pixel difference values are determined based on red component difference values, green component difference values and blue component difference values of corresponding pixel points, and attribute parameter values are further determined and then detected, so that the display abnormality of the dynamic cover map of the multimedia work can be detected more accurately; in addition, the client displays the replaced short video works, the problem of the flash phenomenon of a dynamic cover map is solved, the visual effect of the cover display of the multimedia works such as videos is good, when the client simultaneously displays the video works of the user, the whole harmony of the display pages is good, the visual impression is good, and the probability that the user clicks to play the videos can be increased to a certain degree.
Optionally, in some embodiments of the present disclosure, before calculating a red component difference, a green component difference, and a blue component difference of each corresponding pixel point in the first three-channel image and the second three-channel image in step S402, the method may further include: and normalizing the pixel value of each pixel point in the first three-channel image and the second three-channel image to a preset value range.
Specifically, the predetermined value range is, for example, 0 to 1. In this embodiment, the pixel value, such as the red, green and blue component value, of each pixel point in the first three-channel image, such as the RGB three-channel image 1, and the second three-channel image, such as the RGB three-channel image 2, are normalized to be within a range of 0 to 1, and then the step S402 is returned to be executed, that is, the red component difference value, the green component difference value and the blue component difference value of each corresponding pixel point in the first three-channel image, such as the RGB three-channel image 1, and the second three-channel image, such as the RGB three-channel image 2, are calculated.
In the embodiment, two adjacent frames of images in the dynamic cover picture are converted into three-channel images, the pixel value of each pixel point in the three-channel images is normalized to be within a preset value range, the pixel difference value is determined based on the red component difference value, the green component difference value and the blue component difference value of the corresponding pixel point, and then the attribute parameter value is determined for detection. When the display abnormality of the dynamic cover picture is detected, the dynamic cover picture is directly replaced by the static cover picture, and then the replaced short video work is returned to the video application program to be displayed, so that the returned short video work comprises one frame of static cover picture instead of the dynamic cover picture formed by multiple frames of images when the display abnormality of the dynamic cover picture is detected, and the waste of data flow can be reduced; in addition, the client displays the replaced short video works, the problem of the flash phenomenon of a dynamic cover map is solved, the visual effect of the cover display of the multimedia works such as videos is good, when the client simultaneously displays the video works of the user, the whole harmony of the display pages is good, the visual impression is good, and the probability that the user clicks to play the videos can be increased to a certain degree.
Optionally, in other embodiments of the present disclosure, the step of detecting whether the dynamic cover map has a display abnormality in step S103 may specifically include the following steps: acquiring continuous N frames of images belonging to the dynamic cover picture, wherein N is a natural number greater than 1; determining the similarity of any two adjacent images in the continuous N frames of images to obtain the similarity of (N-1) two adjacent images; and when the similarity of each two adjacent frames of images is greater than or equal to a preset similarity threshold value, determining that the dynamic cover picture has abnormal display.
Illustratively, the dynamic cover legend includes 5 continuous frames of images such as image 1, image 2, image 3, image 4 and image 5, and determines the similarity of two adjacent frames of images, and specifically, the similarity of two adjacent frames of images may be determined based on an image similarity algorithm. The image similarity algorithm may include, but is not limited to, a sift (scale artifact Feature transform) algorithm, which can be understood with reference to the prior art, and is not described herein again.
For example, the similarity 1 between the image 1 and the image 2, the similarity 2 between the image 2 and the image 3, the similarity 3 between the image 3 and the image 4, and the similarity 4 between the image 4 and the image 5 are finally calculated, that is, the similarities of 4 adjacent two frames of images are obtained. And when the similarity 1, the similarity 2, the similarity 3 and the similarity 4 are all larger than or equal to the preset similarity threshold value Y, determining that the dynamic cover picture has display abnormality, and then returning to execute the step S104. The preset similarity threshold may be set as needed, which is not limited in this respect.
Optionally, in further embodiments of the present disclosure, the step of detecting whether the dynamic cover map has a display abnormality in step S103 may specifically include the following steps: acquiring a multi-frame image belonging to the dynamic cover picture; judging whether each frame of image in the multi-frame image is the same; and determining that the dynamic cover picture has display abnormality when each frame of image in the multi-frame images is the same.
Illustratively, the dynamic cover picture includes 5 frames of images such as image 1, image 2, image 3, image 4 and image 5, whether each frame of image 1, image 2, image 3, image 4 and image 5 is the same is judged, for example, based on the image content, and when image 1, image 2, image 3, image 4 and image 5 are the same, it is determined that the display abnormality exists in the dynamic cover picture. And then returns to execute step S104.
Optionally, in some embodiments of the present disclosure, there may be multiple multimedia works, such as multiple video works, but is not limited thereto. The method may further comprise the steps of:
step 1): and detecting whether display abnormality exists in the respective dynamic cover pictures of the plurality of multimedia works.
It can be understood that, in this implementation, whether display abnormalities exist in the dynamic cover drawings of multiple short video works of one user may be detected at the same time, and the specific detection manner may refer to the detailed description in the foregoing embodiments, and is not described herein again.
Step 2): and replacing the dynamic cover picture of the target multimedia work with abnormal display with a static cover picture, and returning the target multimedia work and the residual multimedia works comprising the replaced static cover picture, wherein the residual multimedia works are a plurality of multimedia works except the target multimedia work.
Specifically, when the display abnormality detection is performed on the dynamic cover drawings of a plurality of short video works, such as 10 short video works, for example, it is determined that the display abnormality exists in the dynamic cover drawings of 2 short video works, the 2 short video works are determined as target short video works, the dynamic cover drawings of the 2 target short video works are replaced by static cover drawings, and the 2 target short video works after replacement and the remaining 8 remaining short video works are returned to the client side, such as a video application program, for display.
The cover display method of the work provided by the embodiment of the disclosure can realize the abnormal display detection of the dynamic cover pictures of a plurality of short video works at the same time, when the dynamic cover pictures have abnormal display, the dynamic cover pictures are directly replaced by the static cover pictures, and then the replaced short video works and other short video works, namely video works, are returned to be collected to a video application program for display, so that the returned short video works comprise the dynamic cover pictures formed by one frame of static cover pictures instead of multiple frames of pictures when the dynamic cover pictures are abnormal in display, and the waste of data flow can be reduced; in addition, the client side simultaneously displays the video work set of the user, the cover display visual effect of the displayed replaced short video work is good, the problem of the jump flash phenomenon of a dynamic cover map is solved, the overall harmony of the pages displaying the video work set is good, the visual impression is good, and the probability that the user clicks to play the video can be increased to a certain extent.
It should be noted that although the various steps of the methods of the present disclosure are depicted in the drawings in a particular order, this does not require or imply that these steps must be performed in this particular order, or that all of the depicted steps must be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions, etc. Additionally, it will also be readily appreciated that the steps may be performed synchronously or asynchronously, e.g., among multiple modules/processes/threads.
Based on the same inventive concept, the embodiment of the present disclosure further provides a work cover display apparatus, as shown in fig. 5, the work cover display apparatus may include a request receiving module 501, a work obtaining module 502, an anomaly detection module 503, and a replacement display module 504:
the request receiving module 501 is configured to receive a request for obtaining a multimedia work.
The work acquisition module 502 is configured to respond to the acquisition request to acquire a multimedia work, which includes a dynamic cover sheet.
The anomaly detection module 503 is used to detect whether the dynamic cover map has display anomalies.
The replacement display module 504 is configured to replace the dynamic cover map with a static cover map and return a multimedia work including the replaced static cover map when the abnormality detection module detects that the dynamic cover map has a display abnormality.
The work cover display device provided by the embodiment of the disclosure can realize the display abnormity detection of the dynamic cover map of the multimedia work, when the dynamic cover map has display abnormity, the dynamic cover map is directly replaced by the static cover map, and then the replaced short video work is returned to the video application program for display, so that the returned short video work comprises a frame of static cover map instead of the dynamic cover map formed by a plurality of frames of images when the dynamic cover map is displayed abnormally, and the waste of data flow can be reduced; in addition, the client displays the replaced short video works, the problem of the flash phenomenon of a dynamic cover map is solved, the visual effect of the cover display of the multimedia works such as videos is good, when the client simultaneously displays the video works of the user, the whole harmony of the display pages is good, the visual impression is good, and the probability that the user clicks to play the videos can be increased to a certain degree.
Optionally, in some embodiments of the present disclosure, the detecting module 503 detects whether there is a display abnormality in the dynamic cover map, including: acquiring continuous N frames of images belonging to the dynamic cover picture, wherein N is a natural number greater than 1; determining attribute parameter values of any two adjacent images in the continuous N frames of images to obtain (N-1) attribute parameter values of the two adjacent images, wherein the attribute parameter values are related to pixels of the images; and when the attribute parameter value of each two adjacent frames of images is greater than or equal to the attribute parameter threshold value, determining that the dynamic cover picture has abnormal display.
Optionally, in some embodiments of the present disclosure, the determining, by the anomaly detection module 503, the attribute parameter value of any two adjacent images in the consecutive N frames of images includes: calculating the pixel difference value of each corresponding pixel point in two adjacent frames of images; determining the number of target pixel points in two adjacent frames of images, wherein the target pixel points are pixel points of which the pixel difference value is greater than a preset pixel threshold value in the two adjacent frames of images; and calculating the ratio of the number of the target pixel points to the total number of the pixel points of any one of the two adjacent frames of images, and taking the ratio as the attribute parameter value.
Optionally, in some embodiments of the present disclosure, the calculating, by the anomaly detection module 503, a pixel difference value of each corresponding pixel point in two adjacent frames of images includes: respectively preprocessing two adjacent frames of images into a corresponding first three-channel image and a corresponding second three-channel image; calculating a red component difference value, a green component difference value and a blue component difference value of each corresponding pixel point in the first three-channel image and the second three-channel image; and calculating the sum of the absolute values of the red component difference, the green component difference and the blue component difference, and taking the sum as the pixel difference.
Optionally, in some embodiments of the present disclosure, the apparatus may further include a normalization processing module, configured to normalize a pixel value of each pixel point in the first three-channel image and the second three-channel image to a preset value range before the anomaly detection module 503 calculates a red component difference value, a green component difference value, and a blue component difference value of each corresponding pixel point in the first three-channel image and the second three-channel image.
Optionally, in other embodiments of the present disclosure, the detecting module 503 detects whether there is a display abnormality in the dynamic cover map, including: acquiring continuous N frames of images belonging to the dynamic cover picture, wherein N is a natural number greater than 1; determining the similarity of any two adjacent images in the continuous N frames of images to obtain the similarity of (N-1) two adjacent images; and when the similarity of each two adjacent frames of images is greater than or equal to a preset similarity threshold value, determining that the dynamic cover picture has abnormal display.
Optionally, in still other embodiments of the present disclosure, the detecting module 503 detects whether there is a display abnormality in the dynamic cover map, including: acquiring a multi-frame image belonging to the dynamic cover picture; judging whether each frame of image in the multi-frame image is the same; and determining that the dynamic cover picture has display abnormality when each frame of image in the multi-frame images is the same.
Optionally, in some embodiments of the present disclosure, there are a plurality of multimedia works, and the anomaly detection module 503 is further configured to: detecting whether display abnormality exists in respective dynamic cover pictures of a plurality of multimedia works; the replacement display module 504 is further configured to replace the dynamic cover map of the target multimedia work with the display abnormality detected by the abnormality detection module 503 with a static cover map, and return the target multimedia work including the replaced static cover map and the remaining multimedia works, where the remaining multimedia works are a plurality of multimedia works except the target multimedia work.
The specific manner in which the above-mentioned embodiments of the apparatus, and the corresponding technical effects brought about by the operations performed by the respective modules, have been described in detail in the embodiments related to the method, and will not be described in detail herein.
It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit, according to embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units. The components shown as modules or units may or may not be physical units, i.e. may be located in one place or may also be distributed over a plurality of network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the wood-disclosed scheme. One of ordinary skill in the art can understand and implement it without inventive effort.
The disclosed embodiment also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor implements the steps of the work cover display method described in any one of the above embodiments.
By way of example, and not limitation, such readable storage media can be an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The computer readable storage medium may include a propagated data signal with readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A readable storage medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a readable storage medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
An embodiment of the present disclosure also provides an electronic device, including a processor and a memory for storing a computer program. Wherein the processor is configured to execute the steps of the work cover display method of any of the above embodiments via execution of the computer program.
An electronic device 600 according to this embodiment of the invention is described below with reference to fig. 6. The electronic device 600 shown in fig. 6 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present invention.
As shown in fig. 6, the electronic device 600 is embodied in the form of a general purpose computing device. The components of the electronic device 600 may include, but are not limited to: at least one processing unit 610, at least one storage unit 620, a bus 630 that connects the various system components (including the storage unit 620 and the processing unit 610), a display unit 640, and the like.
Wherein the storage unit stores program code executable by the processing unit 610 to cause the processing unit 610 to perform steps according to various exemplary embodiments of the present invention described in the above-mentioned cover art display method section of the present specification. For example, the processing unit 610 may perform the steps of the work cover display method as shown in fig. 1.
The storage unit 620 may include readable media in the form of volatile memory units, such as a random access memory unit (RAM)6201 and/or a cache memory unit 6202, and may further include a read-only memory unit (ROM) 6203.
The memory unit 620 may also include a program/utility 6204 having a set (at least one) of program modules 6205, such program modules 6205 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each of which, or some combination thereof, may comprise an implementation of a network environment.
The electronic device 600 may also communicate with one or more external devices 700 (e.g., keyboard, pointing device, bluetooth device, etc.), with one or more devices that enable a user to interact with the electronic device 600, and/or with any devices (e.g., router, modem, etc.) that enable the electronic device 600 to communicate with one or more other computing devices. Such communication may occur via an input/output (I/O) interface 650. Also, the electronic device 600 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network such as the Internet) via the network adapter 660. The network adapter 660 may communicate with other modules of the electronic device 600 via the bus 630. It should be appreciated that although not shown in the figures, other hardware and/or software modules may be used in conjunction with the electronic device 600, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.
Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, or by software in combination with necessary hardware. Therefore, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which may be a personal computer, a server, or a network device, etc.) to execute the above-mentioned work cover display method according to the embodiments of the present disclosure.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (11)
1. A work cover display method, comprising:
receiving an acquisition request of a multimedia work;
responding to the acquisition request to acquire a multimedia work, wherein the multimedia work comprises a dynamic cover picture;
detecting whether the dynamic cover picture has display abnormity;
and if the display abnormality of the dynamic cover picture is detected, replacing the dynamic cover picture with a static cover picture, and returning the multimedia work comprising the replaced static cover picture.
2. The work cover display method of claim 1, wherein the step of detecting whether the dynamic cover map has display abnormality comprises:
acquiring continuous N frames of images belonging to the dynamic cover picture, wherein N is a natural number greater than 1;
determining attribute parameter values of any two adjacent images in the continuous N frames of images to obtain (N-1) attribute parameter values of the two adjacent images, wherein the attribute parameter values are related to pixels of the images;
and when the attribute parameter value of each two adjacent frames of images is greater than or equal to the attribute parameter threshold value, determining that the dynamic cover picture has abnormal display.
3. The work cover display method of claim 2, wherein the step of determining the attribute parameter values of any two adjacent images of the N consecutive images comprises:
calculating the pixel difference value of each corresponding pixel point in two adjacent frames of images;
determining the number of target pixel points in two adjacent frames of images, wherein the target pixel points are pixel points of which the pixel difference value is greater than a preset pixel threshold value in the two adjacent frames of images;
and calculating the ratio of the number of the target pixel points to the total number of the pixel points of any one of the two adjacent frames of images, and taking the ratio as the attribute parameter value.
4. The cover of work display method of claim 3, wherein the step of calculating the pixel difference value of each corresponding pixel point in two adjacent frames of images comprises:
respectively preprocessing two adjacent frames of images into a corresponding first three-channel image and a corresponding second three-channel image;
calculating a red component difference value, a green component difference value and a blue component difference value of each corresponding pixel point in the first three-channel image and the second three-channel image;
and calculating the sum of the absolute values of the red component difference, the green component difference and the blue component difference, and taking the sum as the pixel difference.
5. The work cover display method of claim 4, wherein prior to the step of calculating a red component difference, a green component difference, and a blue component difference for each corresponding pixel in the first and second three channel images, the method further comprises:
and normalizing the pixel value of each pixel point in the first three-channel image and the second three-channel image to a preset value range.
6. The work cover display method of claim 1, wherein the step of detecting whether the dynamic cover map has display abnormality comprises:
acquiring continuous N frames of images belonging to the dynamic cover picture, wherein N is a natural number greater than 1;
determining the similarity of any two adjacent images in the continuous N frames of images to obtain the similarity of (N-1) two adjacent images;
and when the similarity of each two adjacent frames of images is greater than or equal to a preset similarity threshold value, determining that the dynamic cover picture has abnormal display.
7. The work cover display method of claim 1, wherein the step of detecting whether the dynamic cover map has display abnormality comprises:
acquiring a multi-frame image belonging to the dynamic cover picture;
judging whether each frame of image in the multi-frame image is the same;
and determining that the dynamic cover picture has display abnormality when each frame of image in the multi-frame images is the same.
8. The work cover display method according to any one of claims 1 to 7, wherein there are a plurality of the multimedia works, the method further comprising:
detecting whether display abnormality exists in respective dynamic cover pictures of a plurality of multimedia works;
and replacing the dynamic cover picture of the target multimedia work with abnormal display with a static cover picture, and returning the target multimedia work and the residual multimedia works comprising the replaced static cover picture, wherein the residual multimedia works are a plurality of multimedia works except the target multimedia work.
9. A work cover display device, comprising:
the request receiving module is used for receiving an acquisition request of the multimedia works;
the work acquisition module is used for responding to the acquisition request to acquire a multimedia work, and the multimedia work comprises a dynamic cover page picture;
the abnormity detection module is used for detecting whether the dynamic cover map has abnormal display;
and the replacing and displaying module is used for replacing the dynamic cover picture with the static cover picture and returning the multimedia works comprising the replaced static cover pictures when the abnormity detection module detects that the dynamic cover picture has abnormal display.
10. A computer-readable storage medium, on which a computer program is stored, the computer program, when being executed by a processor, implementing the steps of the cover page display method of a work according to any one of claims 1 to 8.
11. An electronic device, comprising:
a processor; and
a memory for storing a computer program;
wherein the processor is configured to execute the steps of the work cover display method of any one of claims 1 to 8 via execution of the computer program.
Priority Applications (2)
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| CN202110875204.XA CN113535993A (en) | 2021-07-30 | 2021-07-30 | Work cover display method, device, medium and electronic equipment |
| PCT/CN2022/096850 WO2023005421A1 (en) | 2021-07-30 | 2022-06-02 | Work cover display method, device, medium and electronic apparatus |
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| CN202110875204.XA CN113535993A (en) | 2021-07-30 | 2021-07-30 | Work cover display method, device, medium and electronic equipment |
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| WO2023005421A1 (en) * | 2021-07-30 | 2023-02-02 | 北京字跳网络技术有限公司 | Work cover display method, device, medium and electronic apparatus |
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