CN115471399B - Panoramic image generation method, device, equipment and storage medium - Google Patents
Panoramic image generation method, device, equipment and storage medium Download PDFInfo
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- CN115471399B CN115471399B CN202211151942.0A CN202211151942A CN115471399B CN 115471399 B CN115471399 B CN 115471399B CN 202211151942 A CN202211151942 A CN 202211151942A CN 115471399 B CN115471399 B CN 115471399B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformation in the plane of the image
- G06T3/40—Scaling the whole image or part thereof
- G06T3/4038—Scaling the whole image or part thereof for image mosaicing, i.e. plane images composed of plane sub-images
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/04845—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2200/00—Indexing scheme for image data processing or generation, in general
- G06T2200/32—Indexing scheme for image data processing or generation, in general involving image mosaicing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The embodiment of the invention provides a panoramic image generation method, a device, equipment and a storage medium, which comprise the following steps: and generating a plurality of first mask models corresponding to the vehicles to be shot according to the size information of the vehicles to be shot. A first mask model of a target corresponding to a target shooting direction selected by a user and a first vehicle image actually acquired in the target shooting direction are displayed in a shooting interface of a shooting device. And acquiring a first vehicle image which is shot when the target second mask model obtained by scaling the target first mask model is overlapped with the first vehicle image. And generating second mask models corresponding to other shooting directions according to the scaling ratio of the target second mask model and the target first mask model. Acquiring a second vehicle image shot when a second mask model corresponding to other shooting directions is overlapped with a second vehicle image actually acquired in the corresponding shooting directions; and generating a panoramic image of the vehicle to be shot according to the first vehicle image and the second vehicle image.
Description
Technical Field
The present invention relates to the field of data processing technologies, and in particular, to a panoramic image generation method, device, apparatus, and storage medium.
Background
With the development of image processing technology, panoramic images enable users to view objects from different angles or distances through terminal devices. Such as: in an application scenario of buying and selling a second-hand vehicle, a user can view panoramic images of vehicles to be sold from different perspectives through a terminal device to make vehicle selections.
In generating a panoramic image of a target object, it is generally necessary for a user to first photograph the target object in a plurality of preset directions, acquire images of the target object at different angles, and then generate a panoramic image of the target object from the images.
However, in practical applications, due to the influence of various factors such as a shooting field, the panoramic image of the generated target object is often poor in display effect based on images obtained by the user in multiple directions, and the use experience of the user is affected.
Disclosure of Invention
The embodiment of the invention provides a panoramic image generation method, a device, equipment and a storage medium, which are used for improving the display effect of a generated panoramic image.
In a first aspect, an embodiment of the present invention provides a panoramic image generation method, including:
generating a plurality of first mask models corresponding to the vehicle to be shot according to the size information of the vehicle to be shot, wherein the plurality of first mask models are used for representing vehicle contours of the vehicle to be shot in a plurality of shooting directions;
Responding to the selection operation of a user on a target shooting direction, and displaying a target first mask model corresponding to the target shooting direction and a first vehicle image actually acquired in the target shooting direction in a shooting interface of shooting equipment;
according to the scaling operation of the user on the target first mask model, acquiring a target second mask model obtained after scaling and the first vehicle image which is obtained by shooting when the target second mask model is overlapped with the first vehicle image;
generating second mask models corresponding to other shooting directions according to the scaling ratio of the target second mask model and the target first mask model; the other shooting directions are shooting directions other than the target shooting direction among the plurality of shooting directions;
acquiring a second vehicle image shot when a second mask model corresponding to the other shooting directions is overlapped with a second vehicle image actually acquired in the corresponding shooting directions;
and generating a panoramic image of the vehicle to be shot according to the first vehicle image and the second vehicle image.
In a second aspect, an embodiment of the present invention provides a panoramic image generation apparatus, including:
the processing module is used for generating a plurality of first mask models corresponding to the vehicle to be shot according to the size information of the vehicle to be shot, wherein the plurality of first mask models are used for representing the vehicle contours of the vehicle to be shot in a plurality of shooting directions; responding to the selection operation of a user on a target shooting direction, and displaying a target first mask model corresponding to the target shooting direction and a first vehicle image actually acquired in the target shooting direction in a shooting interface of shooting equipment; according to the scaling operation of the user on the target first mask model, acquiring a target second mask model obtained after scaling and the first vehicle image which is obtained by shooting when the target second mask model is overlapped with the first vehicle image; generating second mask models corresponding to other shooting directions according to the scaling ratio of the target second mask model and the target first mask model; the other shooting directions are shooting directions other than the target shooting direction among the plurality of shooting directions; acquiring a second vehicle image shot when a second mask model corresponding to the other shooting directions is overlapped with a second vehicle image actually acquired in the corresponding shooting directions;
And the generation module is used for generating the panoramic image of the vehicle to be shot according to the first vehicle image and the second vehicle image.
In a third aspect, an embodiment of the present invention provides an electronic device, including: a memory, a processor, a communication interface; wherein the memory has executable code stored thereon, which when executed by the processor, causes the processor to at least implement the panoramic image generation method as described in the first aspect.
In a fourth aspect, embodiments of the present invention provide a non-transitory machine-readable storage medium having stored thereon executable code, which when executed by a processor of an electronic device, causes the processor to at least implement a panoramic image generation method as described in the first aspect.
In the scheme provided by the embodiment of the invention, when a panoramic image of a vehicle to be shot is generated, firstly, the size information of the vehicle to be shot is acquired, and a plurality of first mask models corresponding to the vehicle to be shot are generated according to the size information of the vehicle to be shot, wherein the plurality of first mask models are used for representing the vehicle outlines of the vehicle to be shot in a plurality of shooting directions. Then, in response to a selection operation of a user on a target shooting direction, displaying a target first mask model corresponding to the target shooting direction and a first vehicle image actually acquired in the target shooting direction in a shooting interface of shooting equipment; and according to the scaling operation of the user on the target first mask model, acquiring a first vehicle image of the vehicle to be shot, which is shot when the target second mask model obtained after scaling is overlapped with the first vehicle image. Then, generating a second mask model corresponding to other shooting directions according to the scaling ratio of the target second mask model and the target first mask model, and acquiring a second vehicle image shot when the second mask model corresponding to the other shooting directions is overlapped with a second vehicle image actually acquired in the corresponding shooting directions; wherein the other shooting directions are shooting directions other than the target shooting direction among the plurality of shooting directions. Finally, generating a panoramic image of the vehicle to be shot according to the shot first vehicle image and the shot second vehicle image.
In this scheme, the user can scale the first mask model according to actual demand to adapt to multiple different shooting scenes, for example: the method is suitable for shooting sites with different sizes. Because the plurality of first mask models and the vehicle to be shot correspond to the same size information, and the plurality of second mask models are obtained after the plurality of first mask models are scaled in the same proportion, when the vehicle to be shot is shot in a certain shooting direction, a high matching degree is provided between the vehicle contour represented by the second mask models displayed in the shooting interface and the actually acquired vehicle image of the vehicle to be shot, whether the second mask models are overlapped with the actually acquired vehicle image or not is easy to judge, and further the vehicle to be shot is shot when the second mask models are overlapped with the actually acquired vehicle image. Based on the assistance of the plurality of second mask models, the obtained vehicle images are shot in the plurality of shooting directions by corresponding the same shooting distance, namely, the physical positions of the shooting equipment and the physical positions of the vehicles to be shot are the same when the user shoots the vehicle images in the plurality of shooting directions, so that the panoramic images of the vehicles to be shot, which are generated according to the equidistant vehicle images corresponding to the plurality of shooting directions, have good display effect, and the pictures of the user are smooth when the user browses the panoramic images.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a panoramic image generation method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a mask model corresponding to a shooting direction according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a selection interface of size information of a vehicle to be photographed according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a shooting interface according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of another mask model corresponding to a shooting direction according to an embodiment of the present invention;
fig. 6 is a schematic diagram of another shooting interface according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a panoramic image generation device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of an electronic device corresponding to the panoramic image generation apparatus provided in the embodiment shown in fig. 7.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, the "plurality" generally includes at least two, but does not exclude the case of at least one.
It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrase "if determined" or "if detected (stated condition or event)" may be interpreted as "when determined" or "in response to determination" or "when detected (stated condition or event)" or "in response to detection (stated condition or event), depending on the context.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements.
In addition, the sequence of steps in the method embodiments described below is only an example and is not strictly limited.
In general, when generating a panoramic image of a target object, it is generally necessary for a user to photograph the target object in a plurality of photographing directions and then generate a panoramic image of the target object based on the target object images photographed in different photographing directions.
However, in practical applications, the obtained multiple target object images captured by the user often correspond to different capturing distances, where the capturing distance corresponding to a certain target object image may be understood as a distance between a physical position of the capturing device and a physical position of the target object when the user captures the target object image. For example, if the user operates the photographing device to photograph the target object image i at a position x meters away from the target object in a certain photographing direction, the photographing distance corresponding to the target object image i is x meters. According to the imaging principle, under the condition that the shooting parameters of the shooting equipment are set to be the same, the physical distance between the shooting equipment and the target object is different, and the proportion occupied by the target object in the shot obtained image is also different, for example: when the shooting device is close to the target object, the proportion occupied by the target object in the shot image is large. Therefore, when panoramic images of a target object are generated based on target object images corresponding to different photographing distances, stitching errors of the images easily occur, resulting in poor display effects of the generated panoramic images of the target object, and there is a problem of non-fluency in browsing.
To solve at least one technical problem described above, an embodiment of the present invention provides a panoramic image generation method, which is characterized in that, based on a plurality of mask models corresponding to a plurality of shooting directions, a user is assisted to shoot target object images corresponding to the same shooting distance, i.e. equidistant target object images, in the plurality of shooting directions, and then panoramic images with better display effects are generated according to the equidistant target object images.
The target object refers to an object capable of acquiring corresponding size information, for example: digital products, furniture home appliances, bags, vehicles, etc. For easy understanding, the present embodiment is described by taking the generation of a panoramic image of a vehicle to be photographed as an example, but not limited thereto.
The panoramic image generation method provided by the embodiment of the invention can be executed by an electronic device, and the electronic device can be a terminal device with shooting function, such as a smart phone, a Virtual Reality (VR) device and the like. For convenience of description, hereinafter referred to as a photographing apparatus.
Fig. 1 is a flowchart of a panoramic image generation method according to an embodiment of the present invention, as shown in fig. 1, may include the following steps:
101. According to the size information of the vehicle to be shot, a plurality of first mask models corresponding to the vehicle to be shot are generated, and the plurality of first mask models are used for representing vehicle outlines of the vehicle to be shot in a plurality of shooting directions.
102. In response to a user selection operation of a target shooting direction, a target first mask model corresponding to the target shooting direction and a first vehicle image actually acquired in the target shooting direction are displayed in a shooting interface of the shooting device.
103. And acquiring a first vehicle image shot when the target second mask model obtained after scaling is overlapped with the first vehicle image according to the scaling operation of the user on the target first mask model.
104. And generating second mask models corresponding to other shooting directions according to the scaling ratio of the target second mask model and the target first mask model. Wherein the other shooting directions are shooting directions other than the target shooting direction among the plurality of shooting directions.
105. And acquiring second vehicle images shot when the second mask models corresponding to other shooting directions are overlapped with the second vehicle images actually acquired in the corresponding shooting directions.
106. And generating a panoramic image of the vehicle to be shot according to the first vehicle image and the second vehicle image.
Before describing the panoramic image generation method provided in this embodiment, a mask model will be described.
Fig. 2 is a schematic diagram of a mask model corresponding to a shooting direction according to an embodiment of the present invention, as shown in fig. 2, the mask model actually represents a vehicle contour visually perceived in the shooting direction, and includes two parts, namely a vehicle body contour and a wheel contour. It is easy to understand that the visually perceived vehicle contour is actually different in different photographing directions, and thus, there is also a difference in a plurality of mask models corresponding to a plurality of photographing directions.
In this embodiment, a plurality of mask models are built in advance, corresponding to a plurality of shooting directions, respectively. Such as: 4 mask models are built in advance and correspond to 4 shooting directions respectively; alternatively, 16 mask models are built in advance, corresponding to 16 shooting directions, respectively, and the like.
When the vehicle image is shot, in response to the selection of a certain shooting direction by a user, a mask model corresponding to the shooting direction and a vehicle image actually acquired in the shooting direction are displayed in a shooting interface of the shooting device. And then, the actual physical position of the shooting equipment is adjusted by prompting the user, so that the mask model currently displayed in the shooting interface of the shooting equipment is overlapped with the actually acquired vehicle image, and the vehicle image shooting is carried out when the mask model is overlapped with the actually acquired vehicle image. Since each of the mask models occupies the same display area when displayed on the photographing interface of the photographing apparatus, the user can be guided to photograph equidistant vehicle images in a plurality of photographing directions.
However, in practical applications, vehicles of different brands and different vehicle types, or vehicles of the same brand and different vehicle types, have different vehicle size information, wherein the vehicle size information includes length information, width information and height information of the vehicle body. It can be understood that if a plurality of pre-established mask models are used for all types of vehicles, the mask models currently displayed on the shooting interface cannot completely coincide with the actually acquired vehicle images due to the fact that the vehicle contour represented by the mask models is not matched with the size information corresponding to the actual vehicle contour of the vehicle to be shot, and finally the plurality of vehicle images obtained by shooting are still not equidistant.
Based on this, in the present embodiment, before photographing a vehicle to be photographed, first, size information of the vehicle to be photographed is acquired; then, a plurality of first mask models corresponding to the vehicle to be photographed are generated according to the size information of the vehicle to be photographed.
Alternatively, a vehicle information selection interface of the vehicle to be photographed may be provided, and the size information of the vehicle to be photographed may be acquired from a pre-established vehicle information database based on the vehicle information (e.g., brand, train, year) selected by the user on the interface.
Fig. 3 is a schematic diagram of a selection interface of size information of a vehicle to be shot, where, as shown in a left diagram in fig. 3, a prompt message "please select brand-car year of the vehicle to be shot" is displayed on a display interface of a shooting device; then, based on the selection of the prompt information by the user, as shown in the right diagram in fig. 3, multiple brands, multiple vehicle systems corresponding to each brand and multiple vehicle types produced by each vehicle system in each year are provided for the user to select vehicle information corresponding to the vehicle to be shot from, and further, according to the vehicle information, the size information of the vehicle to be shot is obtained from a pre-established vehicle information database. In the situation illustrated in fig. 3, the vehicle to be photographed is of type 2 of 2022 in train 1 of brand b.
Alternatively, an input interface for the size information of the vehicle to be photographed may be provided, so that the user inputs the size information of the vehicle to be photographed according to the actual measurement result.
In an alternative embodiment, after the size information of the vehicle to be photographed is acquired, the pre-established mask models may be subjected to stretching processing according to the length information, the width information and the height information of the vehicle body to be photographed, so as to generate the first mask models having the same aspect ratio as the vehicle body to be photographed.
However, in practical applications, when stretching is performed according to the aspect ratio of the vehicle body length to the aspect ratio of the vehicle to be photographed, the wheel portion in the mask model is likely to be deformed, affecting the look and feel.
Thus, alternatively, the plurality of mask models previously established correspond to the initial vehicle body model and the initial wheel model, respectively. When stretching a certain pre-established mask model x, stretching an initial vehicle body model x1 and an initial wheel model x2 corresponding to the mask model x respectively, and then taking a combination of the vehicle body model and the wheel model obtained after stretching as a first mask model x. Wherein the mask model x and the first mask model x correspond to the same shooting direction.
In an implementation, for any one of the first mask models (referred to as the target first mask model), one way to optionally generate the target first mask model is as follows:
firstly, according to length information, width information and height information of a vehicle body to be shot, an initial vehicle body model is adjusted to determine a vehicle body model corresponding to a target first mask model. The vehicle body model corresponding to the target first shade model and the vehicle body to be shot have the same length-width ratio. And then, determining the width stretching proportion and the height stretching proportion of the vehicle body model corresponding to the target first shade model relative to the initial vehicle body model. And then, adjusting the initial wheel model according to the width stretching proportion or the height stretching proportion so as to determine the wheel model corresponding to the target first mask model. And finally, determining the target first mask model according to the vehicle body model and the wheel model corresponding to the target first mask model.
Based on the above-described process, a plurality of first mask models matching the size information of the vehicle to be photographed may be generated according to the size information of the vehicle to be photographed and a plurality of mask models established in advance, wherein the plurality of first mask models correspond to a plurality of photographing directions. Based on the plurality of first mask models, the user can be guided to take equidistant vehicle images in a plurality of taking directions.
However, in practical applications, there are often various requirements for capturing panoramic images of a vehicle, such as: the panoramic image is used for displaying detailed information of the vehicle and the like. It is understood that, to generate a detailed panoramic image of a vehicle to be photographed, the photographing apparatus needs to perform vehicle image photographing from a plurality of photographing directions at a position closer to the vehicle to be photographed. In other words, the vehicle images photographed in the plurality of directions need to correspond to a smaller photographing distance. In addition, the actual shooting location is typically a bounded area, such as: a room of some 10 square meters. When the photographing site is small, the photographing apparatus can photograph the vehicle only at a position closer to the vehicle.
In order to adapt to various different scene demands, in the embodiment, scaling operation is performed on a plurality of first mask models, and the display area occupied by the first mask models when displayed on a shooting interface of shooting equipment is adjusted, so that the shooting distance is adjusted.
It can be understood that, if the first mask model is enlarged, the display area occupied by the first mask model on the photographing interface will be enlarged, and further, if the first mask model displayed on the photographing interface is desired to be overlapped with the vehicle image, the photographing device needs to be located at a position closer to the vehicle to be photographed. Correspondingly, if the first mask model is subjected to the shrinking operation, the display area occupied by the first mask model on the shooting interface is reduced, and if the first mask model displayed on the shooting interface is required to be overlapped with the vehicle image, the shooting equipment is required to be located at a position far from the vehicle to be shot.
In this embodiment, when the first mask model is scaled, the photographing parameters of the photographing device remain unchanged, that is, when the first mask model is scaled with the fixed position of the photographing device, the actually acquired vehicle image does not change with the scaling operation.
In an alternative embodiment, a capture interface is displayed on the capture device in response to a user trigger to "start capture" as shown in FIG. 3. Fig. 4 is a schematic diagram of a photographing interface according to an embodiment of the present invention, and as shown in fig. 4, in a first area of the photographing interface of the photographing apparatus, a vehicle schematic diagram and a plurality of photographing direction indicators surrounding the vehicle schematic diagram are displayed. Wherein the plurality of shooting direction indicators correspond to the plurality of shooting directions.
For any one of the plurality of photographing directions (referred to as a target photographing direction), in response to a user's selection operation of the target photographing direction indicator, a target first mask model corresponding to the target photographing direction and a first vehicle image actually acquired in the target photographing direction are displayed in a second region of the photographing interface.
In order to facilitate the user in determining the current shooting direction, the target shooting direction indicator is optionally highlighted in response to a user selection operation of the target shooting direction indicator.
And if the target first mask model displayed on the shooting interface is not overlapped with the first vehicle image, outputting first prompt information for prompting the user to zoom the target first mask model on the shooting interface so that the zoomed target second mask model is overlapped with the first vehicle image on the shooting interface, for example: the target first mask model is scaled to coincide with the first vehicle image. Then, the user performs scaling operation on the target first mask model on the photographing interface according to the first prompt information, and in this embodiment, the scaled target first mask model is marked as a target second mask model, and the target second mask model on the photographing interface is overlapped with the first vehicle image.
Fig. 5 is a schematic diagram of another mask model corresponding to a shooting direction according to an embodiment of the present invention. In order to facilitate determining whether the mask model at the photographing interface coincides with the actually captured vehicle image, unlike the mask model shown in fig. 2, a plurality of reference vehicle body lines are included in the mask model shown in fig. 5.
Optionally, determining that the target first mask model displayed on the photographing interface coincides with the first vehicle image includes: identifying a plurality of actual body lines contained in a first vehicle image; and if the target second mask model is determined to contain a plurality of reference vehicle body lines which are overlapped with a plurality of actual vehicle body lines, determining that the target second mask model displayed on the shooting interface is overlapped with the first vehicle image.
Fig. 6 is a schematic diagram of another photographing interface according to an embodiment of the present invention. In an alternative embodiment, as shown in fig. 6, when it is determined that the target second mask model is overlapped with the first vehicle image, second prompt information prompting the user to take a photograph is output, for example: shooting can now be performed; then, a first vehicle image obtained by shooting the user based on the second prompt information is obtained.
Optionally, the first prompt information and the second prompt information may be various types of prompt information such as text, voice, image, video, and the like. The first prompt message illustrated in fig. 4 and the second prompt message illustrated in fig. 6 are text prompt messages, but not limited thereto.
After obtaining the target second mask model corresponding to the target shooting direction, further, it is necessary to generate second mask models corresponding to shooting directions other than the target shooting direction among the plurality of shooting directions.
Optionally, the scaling of the target second mask model and the target first mask model is obtained in response to a photographing operation when photographing the first vehicle image. And then, generating a second mask model corresponding to other shooting directions according to the scaling ratio of the target second mask model and the target first mask model. In this embodiment, in each photographing direction, the scaling of the second mask model with respect to the first mask model is the same, that is, the display areas occupied by the plurality of second mask models corresponding to the plurality of photographing directions on the photographing interface of the photographing apparatus are the same.
It should be noted that, when the user performs the zoom operation on the target first mask model in the target shooting direction, the shooting device is actually set at a position at a proper distance from the vehicle to be shot according to the actual scene requirement. Therefore, after the scaling operation is carried out on the target first mask model at the position, the obtained target second mask model and the second mask model corresponding to other shooting directions are matched with the actual scene requirements.
And then, acquiring a second vehicle image shot when the second mask model corresponding to the other shooting directions is overlapped with the second vehicle image actually acquired in the corresponding shooting directions based on the second mask model corresponding to the other shooting directions. In practical application, if more than one other shooting directions are adopted, the acquired second vehicle images are corresponding to more than one.
Specifically, in response to a user's selection operation of any one of the other photographing directions, a second mask model corresponding to the currently selected photographing direction and a second vehicle image actually acquired in the currently selected photographing direction are displayed in a second region of the photographing interface.
Optionally, if the second mask model displayed on the photographing interface is not overlapped with the second vehicle image, outputting third prompt information for prompting the user to adjust the position of the photographing device so that the second mask model is overlapped with the second vehicle image on the photographing interface. The third prompt information can be various types of prompt information such as characters, voice, images, videos and the like.
Then, when the second mask model is determined to be coincident with the second vehicle image, outputting second prompt information for prompting the user to shoot; and then, acquiring a second vehicle image in the current shooting direction, which is shot by the user based on the second prompt information. And finally, generating the panoramic image of the vehicle to be shot according to the first vehicle image corresponding to the shooting direction of the shot target and the second shooting image corresponding to other shooting directions.
For ease of understanding, the above panoramic image generation method is described below by way of example.
Assume that a vehicle image of the vehicle k to be photographed is to be photographed from four directions of front, rear, left, and right of the vehicle k to be photographed at the photographing site j to generate a panoramic image of the vehicle k to be photographed.
First, size information of a vehicle k to be photographed is acquired. Assume that, in the acquired size information, the length, width, and height of the body of the vehicle to be photographed are a, b, and c, respectively.
Then, 4 first mask models corresponding to the vehicle k to be photographed are generated according to the size information of the vehicle k to be photographed. Wherein the first mask model 1 is used for representing the vehicle contour 1 of the vehicle k to be photographed in the photographing direction "front"; the first mask model 2 is used to represent the vehicle contour 2 of the vehicle k to be photographed in the photographing direction "rear"; the first mask model 3 is used to represent the vehicle contour 3 of the vehicle k to be photographed in the photographing direction "left"; the first mask model 4 is used to represent the vehicle contour 4 of the vehicle k to be photographed in the photographing direction "right". Each first shade model comprises a vehicle body model and a wheel model, wherein the vehicle body model and the vehicle body of the vehicle k to be shot have the same length-width ratio, and the length-width ratio is a: b: c.
Thereafter, assuming that the user selects the photographing direction "front", the first mask model 1 corresponding to the photographing direction "front" and the vehicle image 1 actually acquired under the photographing direction "front" are displayed in the photographing interface of the photographing apparatus. If the first mask model 1 displayed in the photographing interface of the photographing apparatus is smaller than the vehicle image 1, the first mask model 1 is enlarged to obtain a second mask model 1, wherein the second mask model 1 coincides with the vehicle image 1. And when the second mask model 1 is overlapped with the vehicle image 1, the vehicle image 1 is photographed as a vehicle image corresponding to the photographing direction "front".
Let the ratio between the second mask model 1 and the first mask model 1 be m:1 (m is greater than 1), the first mask model 2 is enlarged m times to obtain a second mask model 2, the first mask model 3 is enlarged m times to obtain a second mask model 3, and the first mask model 4 is enlarged m times to obtain a second mask model 4 in response to a photographing operation of the vehicle image 1.
When the first mask model 1 displayed in the photographing interface of the photographing apparatus is larger than the vehicle image 1, the process of reducing the first mask model 1 to obtain the second mask model 1, the second mask model 2, the second mask model 3, and the second mask model 4 is similar to the above process, and will not be repeated here.
Then, if the user selects the shooting direction "back", the second mask model 2 corresponding to the shooting direction "back" and the vehicle image 2 actually acquired under the shooting direction "back" are displayed in the shooting interface of the shooting apparatus. Assuming that the second mask model 2 displayed in the photographing interface of the photographing apparatus is larger than the vehicle image 2, the user moves the photographing apparatus in a direction approaching the vehicle k to be photographed, and photographs the vehicle image 2 as a vehicle image corresponding to the photographing direction "after" when the second mask model 2 coincides with the actually collected vehicle image 2.
Next, if the user selects the photographing direction "left", the second mask model 3 corresponding to the photographing direction "left" and the vehicle image 3 actually captured in the photographing direction "left" are displayed in the photographing interface of the photographing apparatus. Assuming that the second mask model 3 displayed in the photographing interface of the photographing apparatus is smaller than the vehicle image 3, the user moves the photographing apparatus in a direction away from the vehicle k to be photographed, and photographs the vehicle image 3 as a vehicle image corresponding to the photographing direction "after" when the second mask model 3 coincides with the actually collected vehicle image 3.
Then, the user selects the photographing direction "right", and the second mask model 4 corresponding to the photographing direction "right" and the vehicle image 4 actually captured in the photographing direction "right" are displayed in the photographing interface of the photographing apparatus. Assuming that the second mask model 4 displayed in the photographing interface of the photographing apparatus coincides with the vehicle image 4, the user directly photographs the vehicle image 4 as a vehicle image corresponding to the photographing direction "rear".
Finally, a panoramic image of the vehicle k to be photographed is generated from the vehicle image 1, the vehicle image 2, the vehicle image 3, and the vehicle image 4.
In this embodiment, the user may perform scaling processing on the first mask model according to the actual scene requirement, so as to adapt to a plurality of different shooting scenes, for example: the method is suitable for shooting sites with different sizes. Because the plurality of first mask models and the vehicle to be shot correspond to the same size information, and the plurality of second mask models are obtained after the plurality of first mask models are scaled in the same proportion, when the vehicle to be shot is shot in a certain shooting direction, the vehicle contour represented by the second mask models displayed in the shooting interface has higher matching degree with the actually acquired vehicle image of the vehicle to be shot, whether the second mask models are overlapped with the actually acquired vehicle image or not is easy to judge, and the vehicle to be shot can be shot when the second mask models are overlapped. Based on the assistance of the plurality of second mask models, the obtained vehicle images are shot in the plurality of shooting directions by corresponding the same shooting distance, namely, the physical positions of the shooting equipment and the physical positions of the vehicles to be shot are the same when the user shoots the vehicle images in the plurality of shooting directions, so that the panoramic images of the vehicles to be shot, which are generated according to the equidistant vehicle images corresponding to the plurality of shooting directions, have good display effect, and the pictures of the user are smooth when the user browses the panoramic images.
In fact, in addition to the scaling of the first mask model to adapt to a plurality of different shooting scenes as described in the above embodiment, the shooting parameters of the shooting device may be optionally adjusted to adapt to a plurality of different shooting scenes by scaling the first mask model and adjusting the shooting parameters of the shooting device.
It will be appreciated that adjustment of the photographing parameters of the photographing apparatus affects the actual captured vehicle image displayed on the photographing interface of the photographing apparatus, such as: in the case of a fixed position of the camera, the focal length in the camera parameters is changed, and the actual captured vehicle image displayed on the camera interface is also changed. Therefore, by adjusting the photographing parameters of the photographing apparatus, it is also possible to overlap the first mask model with the actually acquired vehicle image, while adapting to the photographing scene, to ensure that the vehicle images photographed in the plurality of photographing directions are equidistant.
In an alternative embodiment, a control button is provided on the shooting interface of the shooting device, through which the user selects the object to be currently adjusted. Such as: if the control button is in the first state, the acting object of the current adjustment operation of the user is the first mask model, and if the control button is in the second state, the acting object of the current adjustment operation of the user is the shooting parameter of the shooting equipment.
If the target first mask model displayed on the photographing interface is not overlapped with the first vehicle image, and the control button is in the first state, the corresponding process of adjusting the target first mask model to overlap with the first vehicle image, and the process of generating the panoramic image of the vehicle to be photographed can refer to the embodiment shown in fig. 1, which will not be described herein.
If the target first mask model displayed on the shooting interface is not overlapped with the first vehicle image and the control button is in the second state, acquiring the first vehicle image which is acquired by shooting when the first vehicle image actually acquired after the shooting parameter adjustment is overlapped with the target first mask model according to the adjustment operation of the shooting parameter by the user.
In a specific implementation process, optionally, if the target first mask model displayed on the photographing interface is not overlapped with the first vehicle image and the control button is in the second state, fourth prompting information for prompting the user to adjust the photographing parameters of the photographing device so that the first vehicle image on the photographing interface is overlapped with the target first mask model is output, for example: and adjusting the focal length of the shooting equipment to enable the first vehicle image to coincide with the first target mask model. And the user adjusts shooting parameters of shooting equipment according to the fourth prompt information, so that the first vehicle image is overlapped with the target first mask model, and the first vehicle image is shot when the first vehicle image is overlapped with the target first mask model.
For convenience of description, the photographing parameters when the first vehicle image is overlapped with the target first mask model are referred to as target photographing parameters.
And then, acquiring a second vehicle image shot when the first mask model corresponding to other shooting directions is overlapped with the second vehicle image actually acquired in the corresponding shooting directions according to the target shooting parameters. The other shooting directions are shooting directions except the target shooting direction in the plurality of shooting directions; when the second vehicle image is acquired in other shooting directions, the shooting parameters of the shooting equipment are kept unchanged and are all target shooting parameters.
In the implementation process, if the first mask model currently displayed on the shooting interface is not overlapped with the second vehicle image actually acquired, outputting fifth prompt information for prompting the user to adjust the position of the shooting equipment so as to enable the first mask model to be overlapped with the second vehicle image on the shooting interface.
Finally, generating a panoramic image of the vehicle to be shot according to the first vehicle image and the second vehicle image.
In this embodiment, the scaling operation is not performed on the first mask model, but the shooting parameters of the shooting device are adjusted to enable the target first mask model to coincide with the actually acquired first vehicle image, then, the shooting parameters are kept unchanged, when the first mask model corresponding to other directions coincides with the actually acquired second vehicle image in the corresponding shooting directions, the second vehicle image is shot, therefore, it is ensured that the vehicle images shot in the shooting directions are equidistant, and a panoramic image of the vehicle to be shot with a better display effect can be generated.
In another alternative embodiment, the control buttons can be used to zoom the first mask model and adjust the shooting parameters of the shooting device to meet the scene requirement. The adjusting sequence of the first mask model is not limited, and the shooting parameters of the shooting equipment can be adjusted after the first mask model is scaled; the first mask model may also be scaled after adjusting the shooting parameters of the shooting device.
For example, if the target first mask model displayed on the photographing interface is not overlapped with the first vehicle image, the control button may be set to the first state first, and the target first mask model is scaled by a target multiple; and setting the control button to be in a second state, and enabling the first vehicle image actually acquired after the shooting parameter adjustment to be overlapped with the target first mask model after the target multiple scaling by adjusting the shooting parameter, and shooting the first vehicle image when the first vehicle image is overlapped.
The target first mask model after scaling the target multiple, which may also be referred to as a target second mask model, corresponds to the target shooting direction. And then, scaling the first mask model corresponding to other shooting directions except the target shooting direction in the plurality of shooting directions by target times to obtain a second mask model corresponding to the other shooting directions. And setting the shooting parameters of the shooting equipment to be shooting parameters when the first vehicle image is overlapped with the target second mask model, and keeping the shooting parameters unchanged when the second vehicle image is acquired in other shooting directions.
And then, acquiring second vehicle images shot when the second mask models corresponding to other shooting directions are overlapped with the second vehicle images actually acquired in the corresponding shooting directions. Finally, generating a panoramic image of the vehicle to be shot according to the first vehicle image and the second vehicle image. Reference may be made to the foregoing embodiments for specific implementation, and details are not repeated here.
A panoramic image generation apparatus of one or more embodiments of the present invention will be described in detail below. Those skilled in the art will appreciate that these means may be configured by the steps taught by the present solution using commercially available hardware components.
Fig. 7 is a schematic structural diagram of a panoramic image generation device according to an embodiment of the present invention, as shown in fig. 7, the device includes: a processing module 11 and a generating module 12.
A processing module 11, configured to generate a plurality of first mask models corresponding to a vehicle to be photographed according to size information of the vehicle to be photographed, where the plurality of first mask models are used to represent vehicle contours of the vehicle to be photographed in a plurality of photographing directions; responding to the selection operation of a user on a target shooting direction, and displaying a target first mask model corresponding to the target shooting direction and a first vehicle image actually acquired in the target shooting direction in a shooting interface of shooting equipment; according to the scaling operation of the user on the target first mask model, acquiring a target second mask model obtained after scaling and the first vehicle image which is obtained by shooting when the target second mask model is overlapped with the first vehicle image; generating second mask models corresponding to other shooting directions according to the scaling ratio of the target second mask model and the target first mask model; the other shooting directions are shooting directions other than the target shooting direction among the plurality of shooting directions; and acquiring second vehicle images shot when the second mask model corresponding to the other shooting directions is overlapped with the second vehicle images actually acquired in the corresponding shooting directions.
A generating module 12, configured to generate a panoramic image of the vehicle to be photographed according to the first vehicle image and the second vehicle image.
Optionally, the processing module 11 is specifically configured to display, in the first area of the shooting interface, a vehicle schematic diagram and a plurality of shooting direction indicators surrounding the vehicle schematic diagram, where the plurality of shooting direction indicators correspond to the plurality of shooting directions; and responding to the selection operation of the user on the target shooting direction indicator, and displaying a target first mask model corresponding to the target shooting direction and a first vehicle image actually acquired in the target shooting direction in a second area of the shooting interface.
Optionally, the processing module 11 is further specifically configured to highlight the target shooting direction indicator in response to a user selection operation of the target shooting direction indicator.
Optionally, the processing module 11 is further configured to output first prompt information for prompting the user to zoom the target first mask model so that the zoomed target second mask model coincides with the first vehicle image.
Optionally, the processing module 11 is further configured to output second prompt information prompting the user to take a photograph when it is determined that the target second mask model is overlapped with the first vehicle image; and acquiring the first vehicle image shot by the user based on the second prompt information.
Optionally, the target second mask model includes a plurality of reference body lines therein. The processing module 11 is specifically configured to identify a plurality of actual vehicle body lines included in the first vehicle image; and if the plurality of reference vehicle body lines are determined to be coincident with the plurality of actual vehicle body lines, determining that the target second mask model is coincident with the first vehicle image.
Optionally, the size information of the vehicle to be photographed includes length information, width information and height information of a body of the vehicle to be photographed. The processing module 11 is specifically configured to adjust, for the target first mask model, an initial vehicle body model according to the length information, the width information, and the height information, so as to determine a vehicle body model corresponding to the target first mask model, where the vehicle body model and the vehicle body to be photographed have the same aspect ratio; determining a width stretch ratio and a height stretch ratio of the body model relative to the initial body model; according to the width stretching proportion or the height stretching proportion, an initial wheel model is adjusted to determine a wheel model corresponding to the target first mask model; and determining the target first mask model according to the vehicle body model and the wheel model.
The apparatus shown in fig. 7 may perform the steps described in the foregoing embodiments, and detailed execution and technical effects are referred to in the foregoing embodiments and are not described herein.
In one possible design, the structure of the panoramic image generation apparatus shown in fig. 7 may be implemented as an electronic device, as shown in fig. 8, and the electronic device may include: memory 21, processor 22, communication interface 23. Wherein the memory 21 has stored thereon executable code which, when executed by the processor 22, causes the processor 22 to at least implement the panoramic image generation method as provided in the foregoing embodiments.
In addition, embodiments of the present invention provide a non-transitory machine-readable storage medium having executable code stored thereon, which when executed by a processor of an electronic device, causes the processor to at least implement the panoramic image generation method as provided in the previous embodiments.
The apparatus embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separate. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by adding necessary general purpose hardware platforms, or may be implemented by a combination of hardware and software. Based on such understanding, the foregoing aspects, in essence and portions contributing to the art, may be embodied in the form of a computer program product, which may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A panoramic image generation method, comprising:
generating a plurality of first mask models with the same length-width ratio as the body of the vehicle to be shot according to the size information of the vehicle to be shot, wherein the plurality of first mask models are used for representing the vehicle contours of the vehicle to be shot in a plurality of shooting directions;
responding to the selection operation of a user on a target shooting direction, and displaying a target first mask model corresponding to the target shooting direction and a first vehicle image actually acquired in the target shooting direction in a shooting interface of shooting equipment;
according to the scaling operation of the user on the target first mask model, acquiring a target second mask model obtained after scaling and the first vehicle image which is obtained by shooting when the target second mask model is overlapped with the first vehicle image;
generating second mask models corresponding to other shooting directions according to the scaling ratio of the target second mask model and the target first mask model; the other shooting directions are shooting directions other than the target shooting direction among the plurality of shooting directions;
acquiring a second vehicle image shot when a second mask model corresponding to the other shooting directions is overlapped with a second vehicle image actually acquired in the corresponding shooting directions;
And generating a panoramic image of the vehicle to be shot according to the first vehicle image and the second vehicle image.
2. The method according to claim 1, wherein the displaying, in response to a user selection operation of a target shooting direction, a target first mask model corresponding to the target shooting direction and a first vehicle image actually acquired in the target shooting direction in a shooting interface of a shooting device includes:
displaying a vehicle schematic diagram and a plurality of shooting direction indicators surrounding the vehicle schematic diagram in a first area of the shooting interface, wherein the plurality of shooting direction indicators correspond to the plurality of shooting directions;
and responding to the selection operation of the user on the target shooting direction indicator, and displaying a target first mask model corresponding to the target shooting direction and a first vehicle image actually acquired in the target shooting direction in a second area of the shooting interface.
3. The method according to claim 2, wherein the method further comprises:
the target shooting direction indicator is highlighted in response to a user selection operation of the target shooting direction indicator.
4. The method according to claim 1, wherein after displaying the target first mask model corresponding to the target shooting direction and the first vehicle image actually acquired in the target shooting direction in a shooting interface of the shooting device, the method further comprises:
and outputting first prompt information for prompting the user to zoom the target first mask model so that a zoomed target second mask model coincides with the first vehicle image.
5. The method of claim 1, wherein the capturing the first vehicle image captured when the scaled target second mask model is coincident with the first vehicle image comprises:
outputting second prompt information for prompting the user to shoot when the target second mask model is determined to be coincident with the first vehicle image;
and acquiring the first vehicle image shot by the user based on the second prompt information.
6. The method of claim 1, wherein the target second mask model includes a plurality of reference body lines therein; the method further comprises the steps of:
identifying a plurality of actual body lines contained in the first vehicle image;
And if the plurality of reference vehicle body lines are determined to be coincident with the plurality of actual vehicle body lines, determining that the target second mask model is coincident with the first vehicle image.
7. The method according to claim 1, wherein the size information of the vehicle to be photographed includes length information, width information, and height information of a body of the vehicle to be photographed;
the generating a plurality of first mask models with the same length-width ratio as the body of the vehicle to be shot according to the size information of the vehicle to be shot comprises the following steps:
aiming at the target first shade model, adjusting an initial vehicle body model according to the length information, the width information and the height information to determine a vehicle body model corresponding to the target first shade model, wherein the vehicle body model and the vehicle body to be shot have the same length-width ratio;
determining a width stretch ratio and a height stretch ratio of the body model relative to the initial body model;
according to the width stretching proportion or the height stretching proportion, an initial wheel model is adjusted to determine a wheel model corresponding to the target first mask model;
and determining the target first mask model according to the vehicle body model and the wheel model.
8. A panoramic image generation apparatus, comprising:
the processing module is used for generating a plurality of first mask models which have the same length-width-height ratio as the vehicle body of the vehicle to be shot according to the size information of the vehicle to be shot, wherein the plurality of first mask models are used for representing the vehicle outlines of the vehicle to be shot in a plurality of shooting directions; responding to the selection operation of a user on a target shooting direction, and displaying a target first mask model corresponding to the target shooting direction and a first vehicle image actually acquired in the target shooting direction in a shooting interface of shooting equipment; according to the scaling operation of the user on the target first mask model, acquiring a target second mask model obtained after scaling and the first vehicle image which is obtained by shooting when the target second mask model is overlapped with the first vehicle image; generating second mask models corresponding to other shooting directions according to the scaling ratio of the target second mask model and the target first mask model; the other shooting directions are shooting directions other than the target shooting direction among the plurality of shooting directions; acquiring a second vehicle image shot when a second mask model corresponding to the other shooting directions is overlapped with a second vehicle image actually acquired in the corresponding shooting directions;
And the generation module is used for generating the panoramic image of the vehicle to be shot according to the first vehicle image and the second vehicle image.
9. An electronic device, comprising: a memory, a processor, a communication interface; wherein the memory has stored thereon executable code which, when executed by the processor, causes the processor to perform the panoramic image generation method of any of claims 1 to 7.
10. A non-transitory machine-readable storage medium having stored thereon executable code, which when executed by a processor of an electronic device, causes the processor to perform the panoramic image generation method of any of claims 1-7.
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| CN109544460A (en) * | 2017-09-22 | 2019-03-29 | 宝沃汽车（中国）有限公司 | Image correction method, device and vehicle |
| CN108540724A (en) * | 2018-04-28 | 2018-09-14 | 维沃移动通信有限公司 | A kind of image pickup method and mobile terminal |
| CN109819169A (en) * | 2019-02-13 | 2019-05-28 | 上海闻泰信息技术有限公司 | Panorama shooting method, device, equipment and medium |
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