WO2018035829A1

WO2018035829A1 - Advertisement playback device

Info

Publication number: WO2018035829A1
Application number: PCT/CN2016/096802
Authority: WO
Inventors: 武克易
Original assignee: 武克易
Priority date: 2016-08-25
Filing date: 2016-08-25
Publication date: 2018-03-01

Abstract

An advertisement video playback device, comprising: a housing and a PCB disposed within the housing. The PCB is provided with: an image capturing module (10) used to acquire a current scene image containing a target user; an image feature extraction module (20) used to perform feature detection on the current scene image, extract image feature points, and describe features of the image feature points to obtain a feature description data item of the entire image; a user feature analysis module (21) used to perform, if there are multiple target users, detection on the multiple target users at the same time, obtain individual feature description data items, then generate a graph according to different feature description data types of the multiple target users, and select, from those feature description data items, feature description data items belonging to the most numerous type among the feature description data items; a video searching module (30) used to obtain an advertisement video file suitable to be delivered to a user in the current scene image; and a video playback module (40) used to play the found advertisement video file. A camera (1) connected to the image capturing module, an on-off power button (2), and a display screen (3) are disposed on the housing.

Description

Advertising player

Technical field

The present invention relates to the field of intelligent hardware technologies, and more particularly to an advertisement playing device.

Background technique

In the existing advertisement playing mode, it is generally limited to playing or looping some advertisement videos, and does not adaptively change according to changes in the surrounding environment, resulting in a waste of many advertisement playing resources, and does not play a good advertising effect, failing to reach Expected economic benefits.

Summary of the invention

The technical problem to be solved by the present invention is to provide an advertisement playing device for the above-mentioned drawbacks of the prior art.

The technical solution adopted by the present invention to solve the technical problem thereof is:

Constructing an advertisement playing device, comprising: a housing, and a PCB board disposed in the housing: wherein the PCB board is provided with: a camera module for acquiring a current scene image including a target user; a feature extraction module, configured to perform feature detection on the current scene image, extract image feature points, and perform feature description on the image feature points to obtain feature description data of the entire image; the user feature analysis module is used for When the target users are simultaneously detected, the plurality of target users are simultaneously detected, and the respective feature description data are obtained, and the chart is generated according to the different types of feature description data of the plurality of target users, and the feature description data with the same type of feature description data is taken; a search module, configured to perform a search in the advertisement video library according to the feature description data of the current scene image, and obtain a suitable An advertisement video file for a user in the current scene image; a video playing module, configured to play the searched advertisement video file; the housing is provided with a camera connected to the camera module, a switch button, and a display screen.

The advertisement playing device of the present invention, wherein the feature description data specifically includes: user height, age, gender, weight, skin color.

The advertisement playing device of the present invention further includes:

a 3D modeling module, configured to perform 3D rendering on a current scene image acquired by the camera to obtain a 3D model;

An image fusion module is configured to fuse the current scene image with the 3D model and the advertisement video file for output display.

The advertisement playing device of the present invention, wherein the advertisement video in the advertisement video library is stored according to different feature description data.

The advertisement playing device of the present invention further includes:

a priority search module, configured to sort the feature description data in a priority order, and sequentially search for an appropriate advertisement video from the advertisement video library according to the priority order.

In the advertisement playing device of the present invention, in the priority order, the user gender and the age are listed as the feature data of the first priority.

The advertisement playing device of the present invention, wherein the 3D modeling module specifically includes:

a calculation unit, configured to register a current scene image and a sample image captured by the camera, calculate a posture of the camera, and obtain a homography matrix;

And a modeling unit, configured to draw a rectangular planar 3D model capable of completely covering the target image in the current scene image according to the homography matrix.

The advertisement playing device of the present invention, wherein the calculating unit specifically includes:

a first sub-unit, configured to register a current scene image and a sample image captured by the camera to obtain an initial homography matrix;

The second sub-unit is configured to perform optical flow tracking on the target image according to the image feature point, the initial homography matrix and the current scene image captured by the camera in real time, and the homography matrix is obtained by the tracking algorithm.

The invention has the beneficial effects that: by acquiring and analyzing the current scene image, the specific information of the target user that needs to be placed in the advertisement is determined in real time, so as to achieve accurate advertisement delivery.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the prior art, the present invention will be further described in conjunction with the accompanying drawings and embodiments. For ordinary technicians, other drawings can be obtained based on these drawings without any creative work:

1 is a schematic block diagram of an advertisement playing device according to a preferred embodiment of the present invention;

2 is a flow chart 1 of an advertisement playing method based on feature data searching according to a preferred embodiment of the present invention;

3 is a second flowchart of an advertisement playing method based on feature data searching according to a preferred embodiment of the present invention;

FIG. 4 is a third flowchart of an advertisement playing method based on feature data searching according to a preferred embodiment of the present invention.

detailed description

The present invention will be described in detail with reference to the embodiments of the present invention. Not all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention. The scope of protection.

The advertisement playing device of the preferred embodiment of the present invention, as shown in FIG. 1 , includes a housing and a PCB board disposed in the housing: wherein the PCB board is provided with a camera module 10 for acquiring a target user. The current scene image; the image feature extraction module 20 is configured to perform feature detection on the current scene image, extract image feature points, and perform feature description on the image feature points to obtain feature description data of the entire image; the user feature analysis module 21, When multiple target users are detected, multiple target users are detected at the same time, and respective feature description data are obtained, and a chart is generated according to different types of feature description data of multiple target users, and the same type of feature description data is obtained. Feature description data; the video search module 30 is configured to perform a search in the advertisement video library according to the feature description data of the current scene image, and obtain an advertisement video file suitable for the user in the current scene image; the video playing module 40 is configured to Play the searched advertising video file; the camera 1 is connected to the camera module Switch button 2, the display 3. In this embodiment, by acquiring and analyzing the current scene image, the specific information of the target user that needs to be placed in the advertisement is determined in real time, so as to achieve accurate advertisement delivery.

In the above advertisement playing device, the camera module 10 includes: a sensing unit, configured to automatically sense whether there is a target user in front of the advertising machine; and a camera driving unit, configured to start the camera work when the target user is present, and obtain the current current content including the target user. Scene image, .

In the above advertisement playing device, the feature description data specifically includes: user height, age, gender, weight, skin color.

The advertisement playing device further includes: a 3D modeling module, configured to perform 3D rendering on the current scene image acquired by the camera to obtain a 3D model; and an image fusion module configured to fuse the current scene image with the 3D model and the advertisement video file. display.

In the above advertisement playing device, the advertisement video in the advertisement video library is stored according to different feature description data.

The advertisement playing device further includes: a priority searching module, configured to arrange the feature description data in a priority order, and sequentially search for an appropriate advertisement video from the advertisement video library according to the priority order.

In the above advertisement playing device, in the priority order, the user gender and the age are listed as the feature data of the first priority.

In the above advertisement playing device, the 3D modeling module specifically includes: a calculating unit, configured to register a current scene image and a sample image captured by the camera, calculate a posture of the camera, and obtain a homography matrix; and a modeling unit, configured to The homography matrix draws a rectangular planar 3D model that completely covers the target image in the current scene image.

In the above advertisement playing device, the calculating unit specifically includes: a first subunit for registering the current scene image and the sample image captured by the camera to obtain an initial homography matrix; and a second subunit for registering according to the image The successful image feature points, the initial homography matrix and the current scene image captured by the camera in real time, the optical flow tracking of the target image, and the homography matrix is obtained by the tracking algorithm.

In another embodiment of the present invention, a flow of an advertisement playing method based on feature data search is provided as shown in FIG. 2, including the following steps:

Step S10: The camera acquires a current scene image including the target user.

Step S20: performing feature detection on the current scene image, extracting image feature points, and performing feature description on the image feature points to obtain feature description data of the entire image;

Step S30: Perform a search in the advertisement video library according to the feature description data of the current scene image, and obtain an advertisement video file suitable for the user in the current scene image;

Step S40: Playing the searched advertisement video file.

As shown in FIG. 3, in the above advertisement playing method, in step S10, the camera acquires a current scene image including a target user, and specifically includes:

Step S11: The sensor automatically senses whether there is a target user before the advertisement machine;

Step S12: When there is a target user, start the camera work to acquire the current scene image including the target user.

Specifically, the feature description data in each step includes: user height, age, gender, weight, and skin color. When there is only one target user, each feature description data is a feature of the target user. When there are multiple target users, multiple target users are simultaneously detected, and respective feature description data are obtained, and according to respective target users. Different types of feature description data generate charts, and take the features with the same type of feature description data.

As shown in FIG. 4, the above advertisement playing method further includes the steps of:

Step S50: Perform 3D rendering on the current scene image acquired by the camera to obtain a 3D model.

Step S60: Fusion the current scene image with the 3D model and the advertisement video file for output display.

The above steps S50 and S60 can be used to implement 3D advertisement video playback, and the target user is placed in the advertisement video file to make it feel immersive and better experience the advertisement effect.

In the above advertisement playing method, the advertisement video in the advertisement video library is stored according to different feature description data. Specifically, the storage is performed according to different types of feature description data, for example, the advertisement video files for the same gender are stored in one folder, the advertisement video files for the same age are stored in one folder, and the like.

The above method further comprises the steps of: arranging the feature description data in order of priority, and sequentially searching for an appropriate advertisement video from the advertisement video library according to the priority order. For example, first searching for a folder corresponding to the feature data of the first priority, and obtaining a first group of advertisement videos, and searching for the feature data of the second priority in the current first group of advertisement video files, and obtaining the first The two sets of advertisement videos, in the current second group of advertisement video files, and so on, can find a plurality of feature description data thereof, and obtain a list of advertisement video files that can be finally played, and play them in sequence.

Preferably, in the above priority order, the user gender and the age are listed as the first priority feature description. Data.

The above steps: performing 3D rendering on the current scene image acquired by the camera to obtain a 3D model, which specifically includes:

Registering the current scene image and the sample image captured by the camera, calculating the posture of the camera, and obtaining a homography matrix;

According to the homography matrix, a rectangular planar 3D model capable of completely covering the target image in the current scene image is drawn.

In the above advertisement playing method, the current scene image and the sample image captured by the camera are registered, and the posture of the camera is calculated to obtain a homography matrix, which specifically includes:

Registering the current scene image and the sample image captured by the camera to obtain an initial homography matrix;

According to the image feature points, the initial homography matrix and the current scene image captured by the camera in real time, the optical flow tracking is performed on the target image, and the homography matrix is obtained by the tracking algorithm.

It is to be understood that those skilled in the art will be able to make modifications and changes in accordance with the above description, and all such modifications and variations are intended to be included within the scope of the appended claims.

Claims

An advertisement playing device, comprising: a housing; and a PCB board disposed in the housing: wherein the PCB board is provided with: a camera module for acquiring a current scene image including a target user; An image feature extraction module is configured to perform feature detection on the current scene image, extract image feature points, and perform feature description on the image feature points to obtain feature description data of the entire image; and a user feature analysis module for When multiple target users are detected, multiple target users are simultaneously detected, and respective feature description data are obtained, and a chart is generated according to different types of feature description data of the plurality of target users, and feature description data with the same type of feature description data is taken; The video search module is configured to search the advertisement video library according to the feature description data of the current scene image to obtain an advertisement video file suitable for the user in the current scene image; and the video play module is configured to play the searched advertisement video. a file; the camera is provided with a camera connected to the camera module Switch button, the display.
The advertisement playing device according to claim 1, wherein the feature description data specifically includes: a user height, age, sex, weight, and skin color.
The advertisement playing device according to claim 1, further comprising:

a 3D modeling module, configured to perform 3D rendering on a current scene image acquired by the camera to obtain a 3D model;

An image fusion module is configured to fuse the current scene image with the 3D model and the advertisement video file for output display.
The advertisement playing device according to claim 1, wherein the advertisement video in the advertisement video library is stored according to different feature description data.
The advertisement playing device according to claim 2, further comprising:

a priority search module, configured to sort the feature description data in a priority order, and sequentially search for an appropriate advertisement video from the advertisement video library according to the priority order.
The advertisement playing device according to claim 5, wherein in the priority order, the user gender and the age are listed as the feature data of the first priority.
The advertisement playing device according to claim 3, wherein the 3D modeling module specifically comprises:

a calculation unit, configured to register a current scene image and a sample image captured by the camera, calculate a posture of the camera, and obtain a homography matrix;

And a modeling unit, configured to draw a rectangular planar 3D model capable of completely covering the target image in the current scene image according to the homography matrix.
The advertisement playing device according to claim 7, wherein the calculating unit specifically comprises:

a first sub-unit, configured to register a current scene image and a sample image captured by the camera to obtain an initial homography matrix;

The second sub-unit is configured to perform optical flow tracking on the target image according to the image feature point, the initial homography matrix and the current scene image captured by the camera in real time, and the homography matrix is obtained by the tracking algorithm.