WO2022083131A1

WO2022083131A1 - Method and apparatus for optimizing hand-drawn video for offline display

Info

Publication number: WO2022083131A1
Application number: PCT/CN2021/098989
Authority: WO
Inventors: 邵猛; 魏博
Original assignee: 深圳市前海手绘科技文化有限公司
Priority date: 2020-10-20
Filing date: 2021-06-08
Publication date: 2022-04-28
Also published as: CN112333400A; CN112333400B

Abstract

The present invention relates to the technical field of hand-drawn animations. Provided are a method and apparatus for optimizing a hand-drawn video for offline display. The method comprises: creating a background image for generating an entity image displayed offline; obtaining a display part for displaying the hand-drawn video in the background image; matching the display part in the background image with an actual display part of the entity image; obtaining a display part material for animation processing to obtain the hand-drawn video; and embedding a display device for the hand-drawn video into the display part in the entity image. According to the present invention, the picture size of the hand-drawn video is reduced, the creation difficulty and the workload are reduced, and the hardware cost is reduced.

Description

[Correction 29.06.2021 according to Rule 26] A hand-painted video optimization method and device for offline display

technical field

The invention belongs to the technical field of hand-drawn animation, and in particular relates to an application method, device, electronic device and storage medium for hand-drawn video optimization for offline display in hand-drawn animation.

Background technique

At present, the offline release of hand-drawn videos is usually displayed on a large screen. This display method not only requires a larger screen size and a larger screen resolution, but also requires the video resolution and animation screen size of the hand-painted video itself. Very high, resulting in exorbitant hand-drawn video production costs.

To sum up, in the prior art, there is a problem of high cost of directly displaying hand-drawn videos on a large screen.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned technical problems, the present invention provides a hand-painted video optimization method for offline display, comprising the following steps:

Create a background image for generating entity images displayed offline;

Obtain the display part used for hand-painted video display in the background image;

matching the display part with the actual display part of the entity map;

Obtain the display part material and perform animation processing to obtain the hand-drawn video, and the hand-painted video is used for display on a display device, and the display device matches the actual display part.

Correspondingly, the present invention provides a hand-painted video optimization device useful for offline display, including:

Create a module to create a background image for generating offline entity graphs;

Obtaining module, obtaining the display part used for hand-painted video display in the background image;

a matching module, which matches the display part with the actual display part of the entity map;

The processing module obtains the material of the display part and performs animation processing to obtain the hand-drawn video, and the hand-drawn video is used for display on a display device, and the display device matches the actual display part.

The technical effect shows that at present, after the hand-painted video is created, there will be two distribution and promotion channels, online and offline. For offline distribution and publicity, especially for large-screen display scenarios, due to the large screen size and resolution, the display cost is too high. At the same time, due to the high requirements for hand-drawn video resolution and animation screen size, the production cost of hand-drawn video is high.

It should also be noted that when a hand-drawn video is displayed offline, if it is directly displayed on a large screen, the large screen cannot be directly applied due to factors such as the venue space and power supply equipment for offline display. Therefore, when the method provided by the present invention is applied to the offline display of hand-drawn videos, it does not need to be displayed directly on a large screen, but is displayed in a way of fitting a solid background image to the screen, which requires animation processing for the solid background image. Part of the image is displayed by hand-painted video, and the physical background image is more vivid and concrete through the embedding of hand-painted video.

Further, the step of creating a background image for generating the entity image displayed offline includes:

Configuring the resolution of the background image to determine the clarity of the entity image presentation;

The size of the background image is configured to determine the area displayed by the physical image.

Correspondingly, the above creation module further includes:

a first configuration unit, configured to configure the resolution of the background image to determine the clarity displayed by the entity image;

The second configuration unit configures the size of the background image to determine the area displayed by the physical image.

Technical effect description, the resolution and size set when editing the background image determine the clarity and size of the entity image made based on the background image. If the hand-drawn video is directly displayed on a large screen, the resolution of the hand-drawn video is subject to the configuration of the large screen itself. The higher the resolution, the better the display effect, but the higher the cost. And using the entity map as the offline display method, even if the resolution of the entity map is set to be high, the cost is much lower than that of the large screen.

Further, the step of obtaining the display part used for the hand-drawn video display in the background image includes:

Obtain the number of display areas used for hand-drawn video display in the background image;

Obtain the position of the display area used for hand-painted video display in the background image;

Obtain the size of the display area used for hand-drawn video display in the background image.

Correspondingly, the obtaining module includes:

a first acquiring unit, for acquiring the number of display areas in the background image for displaying hand-drawn videos;

a second acquiring unit, for acquiring the position of the display area in the background image for displaying the hand-drawn video;

The third acquiring unit acquires the size of the display area in the background image for displaying the hand-drawn video.

Further, the step of matching the display part with the actual display part of the entity map includes:

Matching the number of display areas with the actual number of display areas of the entity map;

matching the display area position with the actual display area position of the entity map;

Match the display area size with the actual display area size of the entity map.

Correspondingly, the matching module includes:

a first matching unit, matching the number of display areas with the actual number of display areas of the entity map;

a second matching unit, for matching the position of the display area with the actual position of the display area of the entity map;

The third matching unit matches the size of the display area with the actual size of the display area of the entity image.

Description of technical effect, there are generally many parts that need to be used for hand-painted video display in the background image and the sizes are different. The present invention is to set and edit the background image when editing the background image. position and size, and then according to the information of the background image, the area that needs to be displayed by hand-drawn video is also framed when making the solid image, and then the area that needs to be displayed by hand-drawn video in the solid image is hollowed out, so as to be used for embedding matching size screen.

Further, it also includes:

The display part material includes a plurality of;

Uniquely label the display part material, and uniquely label the display part;

Set the label of the display part material to uniquely correspond to the label of the display part.

Further, matching the display part with the actual display part of the entity map includes:

Obtain the resolution of the background image and the display device respectively;

processing the resolution of the background image based on the resolution of the display device, so that the resolution of the background image corresponds to the resolution of the display device to obtain a corresponding result;

The display part is matched with the actual display part of the entity graph based on the corresponding result.

Further, the resolution of the background image is processed based on the resolution of the display device, so that the resolution of the background image corresponds to the resolution of the display device and the corresponding results obtained include:

receiving the input first pixel scale relationship;

Corresponding pixels of the background image and pixels of the display device are obtained based on the first pixel ratio relationship to obtain a corresponding result.

Further, it also includes:

The display part material is processed based on the first pixel ratio relationship, so that the display part material matches the display part.

Correspondingly, it also includes:

The display part material includes a plurality of;

a labeling unit, used to uniquely label the display part material and uniquely label the display part;

Corresponding unit, which is used to uniquely correspond to the label of the display part material and the label of the display part.

Correspondingly, the matching module is also configured to perform the following steps, including:

receiving the input first pixel scale relationship;

Correspondingly, it also includes:

A processing unit, configured to process the display part material based on the first pixel ratio relationship, so that the display part material matches the display part.

The present invention also provides an electronic device, comprising a memory and a processor, wherein the memory stores a computer program, and the computer program is executed in the processor to implement any one of the above methods. The electronic device may be a mobile terminal or a web terminal.

The present invention also provides a storage medium storing a computer program, and the computer program can implement any of the above methods when executed in a processor.

The hand-drawn video optimization method and device for offline display provided by the present invention, by creating a background image for generating an offline display entity image, obtain the display part used for hand-painted video display in the background image, and then match the display part With the actual display part of the physical map, perform animation processing on the acquired display part material to obtain a hand-drawn video, and then select a suitable hand-drawn video display device to embed the actual display part in the physical map. This method enables users to display hand-drawn videos offline without using expensive display equipment, which greatly reduces display costs.

Description of drawings

1 is a flowchart of a hand-drawn video optimization method for offline display provided by an embodiment;

2 is an apparatus architecture diagram corresponding to the method in FIG. 1 provided by an embodiment;

3 is a flowchart of configuring the resolution and size of a background image provided by an embodiment;

4 is an apparatus architecture diagram corresponding to the method in FIG. 3 provided by an embodiment;

5 is a flowchart of obtaining a hand-drawn video display area in a background image provided by an embodiment;

6 is a device architecture diagram corresponding to the method in FIG. 5 provided by an embodiment;

7 is a flowchart of a method for performing hand-drawn video display area matching in a background image provided by an embodiment;

FIG. 8 is an apparatus architecture diagram corresponding to the method in FIG. 7 according to an embodiment.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that, in the description of the present invention, unless otherwise expressly specified and limited, the term "storage medium" may be various media that can store computer programs, such as ROM, RAM, magnetic disk or optical disk. The term "processor" can be CPLD (Complex Programmable Logic Device: Complex Programmable Logic Device), FPGA (Field-Programmable Gate Array: Field Programmable Gate Array), MCU (Microcontroller Unit: Micro Control Unit), PLC (Programmable Logic) Controller: programmable logic controller) and CPU (Central Processing Unit: central processing unit) and other chips or circuits with data processing functions. The term "electronic device" may be any device with data processing and storage functions, and may generally include both stationary and mobile terminals. Fixed terminals such as desktops, etc. Mobile terminals such as mobile phones, PADs and mobile robots. In addition, the technical features involved in the different embodiments of the present invention described later can be combined with each other as long as there is no conflict with each other.

Below, the present invention provides some preferred embodiments to teach those skilled in the art to realize them.

Example 1

Referring to FIG. 1, the present embodiment provides a hand-drawn video optimization method for offline display, including the following steps:

S1. Create a background image for generating the entity image displayed offline;

S2, obtaining the display part used for hand-painted video display in the background image;

S3, matching the display part with the actual display part of the entity map;

S4. Obtain the display part material and perform animation processing to obtain the hand-drawn video, where the hand-drawn video is used for display on a display device that matches the actual display part.

Embodiment 2

Referring to FIG. 2 , correspondingly, the present embodiment provides a hand-drawn video optimization device for offline display, including:

1. Create a module to create a background image for generating offline entity images;

2. An acquisition module, which acquires the display part used for hand-painted video display in the background image;

3. A matching module, which matches the display part with the actual display part of the entity map;

4. The processing module obtains the material of the display part and performs animation processing to obtain the hand-drawn video, and the hand-drawn video is used for display on a display device that matches the actual display part.

For example, when the imitations of "Shanghe Tu on Qingming Festival" were displayed offline at the exhibition, if you wanted to animate "Shanghe Tu on Qingming Festival" and directly make a hand-drawn video of "Shanghe Tu on Qingming Festival", the production cost was too high. On the other hand, a display with a large size is required for display, and the display cost is also too high.

However, not all areas on the "Qingming Riverside Map" need to be animated. For example, houses, trees, and farmland can not be animated. These elements can be displayed directly with the static entity map produced. Elements such as "Cows Crossing the Street", "Official Grandpa's Sedan" and "Sailboats Crossing the Bridge" can be animated. For example, to animate the part of "Sailboats Crossing the Bridge" in "Across the River during Qingming Festival", that is, when editing the scene graph of "Along the River During Qingming Festival", you can mark the part of "Sailboats Crossing the Bridge" in the picture, and then make a A hand-drawn video that embodies "sailboats crossing the bridge". When making the physical map, the part marked in the scene map is hollowed out, and then the produced hand-drawn video is stored in the corresponding display device, in which the display device of the display device should be exactly compatible with the "Qingming Shanghe Map". ”, the hollowed-out parts in the solid figure fit into each other.

It should also be noted that step S1 , step S2 , step S3 and step S4 are creatively combined into integral technical means that cannot be separated to form a background image marked with a hand-painted video display part. Wherein, step S1 creates a background image of the entity image for offline display, and the real form of the entity image can be controlled by editing the background image. Step S2 acquires the display parts in the background image for displaying the hand-drawn video, so as to accurately locate which parts of the background image are to be animated. In step S3, an edited background image is produced, and the produced background image is marked with an area for embedding the hand-painted video display part, so as to facilitate subsequent hollowing out processing. Step S4 obtains the display part material and performs animation processing to achieve the effect of performing animation processing on the local display part in the background image, and generates a hand-drawn video to achieve the technical effect of embedding the prepared hand-painted video display device into the background image.

Embodiment 3

Referring to Fig. 3, specifically, step S2 includes:

S20, configuring the resolution of the background image to determine the clarity displayed by the entity image;

S21. Configure the size of the background image to determine the area displayed by the physical image.

Embodiment 4

Referring to Fig. 4, correspondingly, the above obtaining module further includes:

20. A first configuration unit, configured to configure the resolution of the background image to determine the clarity of the entity image display;

21. A second configuration unit, configured to configure the size of the background image to determine the area displayed by the physical image.

Embodiment 5

Referring to Figure 5, specifically, step S3 includes:

S30, obtaining the number of display areas used for hand-painted video display in the background image;

S31, obtaining the position of the display area used for hand-painted video display in the background image;

S32. Obtain the size of the display area in the background image for displaying the hand-drawn video.

Embodiment 6

Referring to Figure 6, correspondingly, the upper acquisition module further includes:

30. A first acquisition unit, which acquires the number of display areas used for hand-painted video display in the background image;

31. A second acquisition unit, which acquires the position of the display area used for hand-painted video display in the background image;

32. The third obtaining unit obtains the size of the display area in the background image for displaying the hand-drawn video.

Embodiment 7

Referring to Figure 7, specifically, step S4 includes:

S40, matching the number of display areas with the actual number of display areas of the entity map;

S41, matching the position of the display area with the actual position of the display area of the entity map;

S42. Match the size of the display area with the actual size of the display area of the entity image.

Embodiment 8

Referring to Fig. 8, correspondingly, the above-mentioned processing module further includes:

40. A first matching unit, matching the number of display areas with the actual number of display areas of the entity map;

41. A second matching unit, which matches the position of the display area with the actual position of the display area of the entity map;

42. A third matching unit, which matches the size of the display area with the size of the actual display area of the entity image.

Embodiment 9

The present invention also includes: the display part material includes a plurality of materials. When displaying offline hand-drawn videos, multiple hand-drawn videos may be set according to different scenes. For example, the first scene is the picture of Shanghe River during the Qingming Festival, the second scene is the picture of the Eight Horses, etc. In the process of switching from the Picture of Shanghe during the Qingming Festival to the Picture of the Eight Horses, some materials need to be switched.

The display part material is uniquely marked, and the display part is uniquely marked. The unique label can be an ID, a number, etc., and unique identities are set for the display part material and the display part respectively.

Set the label of the display part material to uniquely correspond to the label of the display part. After the display part material and the display part respectively have unique identities, the label of the display part material and the display part can be marked as needed, and then the corresponding path can be obtained during the display process to display the target material.

Through the above technical solutions, when the background image changes, some of the displayed materials can also change accordingly, without too many operations, and the practicability is strong.

Matching the display part with the actual display part of the entity map includes:

Obtain the resolution of the background image and the display device respectively. Each background image and display device will have its own resolution.

The resolution of the background image is processed based on the resolution of the display device, so that the resolution of the background image corresponds to the resolution of the display device to obtain a corresponding result. Since the resolution of the display device is mostly fixed, the resolution of the background image needs to be adjusted according to the resolution of the display device, so that the resolution of the background image is adapted to the resolution of the display device and the display effect is improved.

The display part is matched with the actual display part of the entity graph based on the corresponding result. After the corresponding results are obtained, the display part and the actual display part of the entity map are matched. At this time, the material of the display part is matched with the entity map\display equipment.

The present invention processes the resolution ratio of the background image based on the resolution ratio of the display device, so that the resolution of the background image corresponds to the resolution of the display device to obtain a corresponding result, including:

An input first pixel scale relationship is received. The first proportional relationship may be 1:4, 1:8, 1:16, and so on. Corresponding pixels of the background image and pixels of the display device are obtained based on the first pixel ratio relationship to obtain a corresponding result. For example, the proportional relationship can be 1:4, that is, 1 pixel of the background image occupies 4 pixels in the display device, so as to realize the correspondence between the pixels of the background image and the pixels of the display device, and obtain the corresponding result.

The method further includes: processing the display part material based on the first pixel ratio relationship, so that the display part material matches the display part.

After the first pixel ratio relationship is obtained, the overall display part material is processed. In most cases, the resolution of the display device is fixed, so in order to match the display part material with the display device, the display part material Adjusting the resolution is the best way to adjust.

Embodiment ten

It also includes: the display part material includes a plurality of materials. When displaying offline hand-drawn videos, multiple hand-drawn videos may be set according to different scenes. For example, the first scene is the picture of Shanghe River during the Qingming Festival, the second scene is the picture of the Eight Horses, etc. In the process of switching from the Picture of Shanghe during the Qingming Festival to the Picture of the Eight Horses, some materials need to be switched.

The labeling unit is used to uniquely label the display part material and uniquely label the display part. The unique label can be an ID, a number, etc., and unique identities are set for the display part material and the display part respectively.

Corresponding unit, which is used to uniquely correspond to the label of the display part material and the label of the display part. After the display part material and the display part respectively have unique identities, the label of the display part material and the display part can be marked as needed, and then the corresponding path can be obtained during the display process to display the target material.

Correspondingly, the matching module is further configured to perform the following steps, including:

Correspondingly, it also includes:

In addition, the present invention also provides an electronic device, comprising a memory and a processor, wherein the memory stores a computer program, and the computer program is executed in the processor to implement any one of the above methods. The electronic device may be a mobile terminal or a web terminal.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims

A hand-painted video optimization method for offline display, characterized in that it includes the steps:

Create a background image for generating entity images displayed offline;

Obtain the display part used for hand-painted video display in the background image;

matching the display part with the actual display part of the entity map;

Obtain the display part material and perform animation processing to obtain the hand-drawn video, and the hand-painted video is used for display on a display device, and the display device matches the actual display part.
The method of claim 1, wherein the step of creating a background image for generating an entity image displayed offline comprises:

Configuring the resolution of the background image to determine the clarity of the entity image presentation;

The size of the background image is configured to determine the area displayed by the physical image.
The method according to claim 1, wherein the step of obtaining a display part used for hand-painted video display in the background image comprises:

Obtain the number of display areas used for hand-drawn video display in the background image;

Obtain the position of the display area used for hand-painted video display in the background image;

Obtain the size of the display area used for hand-drawn video display in the background image.
The method of claim 3, wherein the step of matching the display part with the actual display part of the entity map comprises:

Matching the number of display areas with the actual number of display areas of the entity map;

matching the display area position with the actual display area position of the entity map;

Match the display area size with the actual display area size of the entity map.
A hand-painted video optimization device for offline display, characterized in that it includes the steps:

Create a module to create a background image for generating offline entity graphs;

an acquisition module, which acquires the display part used for hand-painted video display in the background image;

a matching module, which matches the display part with the actual display part of the entity map;

The processing module obtains the material of the display part and performs animation processing to obtain the hand-drawn video, and the hand-drawn video is used for display on a display device, and the display device matches the actual display part.
The apparatus of claim 5, wherein the creation module comprises:

a first configuration unit, configured to configure the resolution of the background image to determine the clarity displayed by the entity image;

The second configuration unit configures the size of the background image to determine the area displayed by the physical image.
The apparatus of claim 5, wherein the acquiring module comprises:

a first acquiring unit, for acquiring the number of display areas in the background image for displaying hand-drawn videos;

a second acquiring unit, for acquiring the position of the display area in the background image for displaying the hand-drawn video;

The third acquiring unit acquires the size of the display area in the background image for displaying the hand-drawn video.
The apparatus of claim 5, wherein the matching module comprises:

a first matching unit, matching the number of display areas with the actual number of display areas of the entity map;

a second matching unit, for matching the position of the display area with the actual position of the display area of the entity map;

The third matching unit matches the size of the display area with the actual size of the display area of the entity image.
The method of claim 1, further comprising:

The display part material includes a plurality of;

Uniquely label the display part material, and uniquely label the display part;

Set the label of the display part material to uniquely correspond to the label of the display part.
The method of claim 9, wherein:

Matching the display part with the actual display part of the entity map includes:

Obtain the resolution of the background image and the display device respectively;

processing the resolution of the background image based on the resolution of the display device, so that the resolution of the background image corresponds to the resolution of the display device to obtain a corresponding result;

The display part is matched with the actual display part of the entity graph based on the corresponding result.
The method according to claim 10, wherein the resolution of the background image is processed based on the resolution of the display device, so that the resolution of the background image corresponds to the resolution of the display device to obtain a corresponding result comprising: :

receiving the input first pixel scale relationship;

Corresponding pixels of the background image and pixels of the display device are obtained based on the first pixel ratio relationship to obtain a corresponding result.
The method of claim 10, further comprising:

The display part material is processed based on the first pixel ratio relationship, so that the display part material matches the display part.
The apparatus of claim 5, further comprising:

The display part material includes a plurality of;

a labeling unit, used to uniquely label the display part material and uniquely label the display part;

Corresponding unit, which is used to uniquely correspond to the label of the display part material and the label of the display part.
The apparatus of claim 13, wherein:

The matching module is also used to perform the following steps, including:

Obtain the resolution of the background image and the display device respectively;

processing the resolution of the background image based on the resolution of the display device, so that the resolution of the background image corresponds to the resolution of the display device to obtain a corresponding result;

The display part is matched with the actual display part of the entity graph based on the corresponding result.
The apparatus of claim 14, wherein the matching module is further configured to perform the following steps, comprising:

receiving the input first pixel scale relationship;

Corresponding pixels of the background image and pixels of the display device are obtained based on the first pixel ratio relationship to obtain a corresponding result.
The apparatus of claim 15, further comprising:

A processing unit, configured to process the display part material based on the first pixel ratio relationship, so as to match the display part material with the display part.
An electronic device, comprising a memory and a processor, wherein the memory stores a computer program, wherein the computer program is executed in the processor to implement any one of the methods in claims 1-4 and 9-12.
A storage medium storing a computer program, characterized in that, when the computer program is executed in a processor, any one of the methods in claims 1-4 and 9-12 can be implemented.