Shooting equipment positioning method and device, electronic device and storage medium
A technology of shooting equipment and positioning method, applied in the field of video processing, can solve problems such as inability to calculate three-dimensional coordinate position, lack of augmented reality functions, inability to realize augmented reality related functions, etc.
Active Publication Date: 2019-11-22
BEIJING DAJIA INTERNET INFORMATION TECH CO LTD
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[0008] However, when the above technical solution is used to initialize the three-dimensional coordinate system, the amount of calculation is relatively large. Therefore, the initialization process requires a certain buffer time, and during this time, the smart device cannot accurately capture the three-dimensional coordinate position of the camera, so it cannot Calculate the three-dimensional coordinate positions of the map points corresponding to each feature point, and then the related functions of augmented reality cannot be realized. In this way, the augmented reality function will be missing for a period of time, that is, the augmented reality function cannot be used; wherein, during the initialization process, if If the camera shakes and is occluded, enough feature points cannot be obtained, the initialization process will take longer, which will further cause a serious lack of augmented reality functions and affect the use effect
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[0081] In order to avoid the problem of being unable to accurately locate the three-dimensional coordinate position of the shooting device due to re-initialization of the system, in the embodiment of the present disclosure, when the smart device obtains video data through the shooting device, if the acquired video frame is found to be If there is not a sufficient number of feature points whose parallax reaches the set parallax threshold value, enter the spherical mode to calculate the three-dimensional coordinate position of the shooting device, so that the current position of the camera can also be estimated when the smart device shakes or is blocked. The three-dimensional coordinate position to ensure the implementation effect of augmented reality, wherein the shooting device is used for shooting, and the smart device is used to calculate the three-dimensional coordinate position of the shooting device to realize the positioning of the shooting device, and the The shooting de...
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The invention relates to a shooting equipment positioning method and device, an electronic device and a storage medium. The method comprises the following steps: when the augmented reality function isstarted, initializing by adopting a spherical mode; using a preset spherical radius, roughly estimating a three-dimensional coordinate position of a map point corresponding to each feature point, thereby saving initialization time consumption, reducing user latency, furthermore, when it is determined that the shooting device can obtain enough parallax feature points, switching the intelligent device to the map mode from the spherical mode, performing initialization of the three-dimensional coordinate system again in the map mode, and zooming the scale of the three-dimensional coordinate system according to the spherical radius, corresponding to the previous frame, in the spherical mode. Therefore, not only can the loss of the augmented reality function be avoided, but also the smooth transition of the three-dimensional coordinate system scale between the map mode and the spherical mode is realized, and the continuous use of the augmented reality function is ensured.
Description
technical field [0001] The present disclosure relates to the field of video processing, and in particular to a positioning method, device, electronic equipment and storage medium for a shooting device. Background technique [0002] With the development of technology, augmented reality technology has been more and more widely used. People use augmented reality technology to merge virtual images, videos, and 3D models into real scenes, and track and determine shooting equipment in real time according to user operations. location and orientation information, and based on this information, reality augmentation is realized. [0003] Under related technologies, a camera is usually used as a shooting device, and it is necessary to establish a world three-dimensional coordinate system (hereinafter referred to as a three-dimensional coordinate system) in the initialization stage, and calculate the three-dimensional coordinate positions of each shooting map point (hereinafter referred...
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Login to View More IPC IPC(8): G06K9/00G06K9/62G06T7/73G06T7/55
CPCG06T7/73G06T7/55G06T2207/10016G06T2207/20228G06V20/20G06V20/46G06V10/751
Inventor郭小燕周杰
OwnerBEIJING DAJIA INTERNET INFORMATION TECH CO LTD