Image acquisition method, device and storage medium

Abstract

The application provides an image acquisition method, device and storage medium, and relates to the technical field of communication. The image acquisition method is applied to a master device, and the master device is in communication connection with a plurality of controlled devices which are respectively located at corresponding preset positions. The method comprises the following steps: performing time synchronization with the plurality of controlled devices according to a preset reference time; controlling the plurality of controlled devices to shoot a to-be-shot object according to the preset reference time, and obtaining a plurality of to-be-processed images which are matched with the preset positions; and generating a target image by using the plurality of to-be-processed images. The shooting time of the plurality of controlled devices is kept consistent with the shooting time of the master device through time synchronization, and time delay error is reduced. The plurality of controlled devices are controlled to shoot the to-be-shot object according to the preset reference time, and multi-dimensional to-be-processed images are obtained. The plurality of to-be-processed images are processed according to preset extraction conditions, and the visual fluency of the obtained target image is better.

Claims

1. An image acquisition method, characterized in that, The method is applied to a master control device, which is communicatively connected to multiple controlled devices located at corresponding preset positions. The method includes: The multiple controlled devices are aligned with the shutter synchronization device to obtain the alignment time; Based on the alignment time, the shooting time of multiple controlled devices is iteratively adjusted to obtain the target delay deviation; Based on the alignment time and the target delay deviation, a preset reference time is determined; Based on a preset reference time, time synchronization is performed with multiple controlled devices; Multiple controlled devices are controlled to take pictures of the object to be photographed according to the preset reference time, thereby obtaining multiple images to be processed, and the images to be processed are matched with the preset position; A target image is generated using the multiple images to be processed.

2. The method according to claim 1, characterized in that, The step of iteratively adjusting the shooting time of multiple controlled devices based on the alignment time to obtain the target delay deviation includes: Based on the alignment time, multiple controlled devices are controlled to take pictures of the sample item, and the unverified delay deviations fed back by the multiple controlled devices are obtained. The unverified delay deviations are used to characterize the delay difference between the shooting time of the controlled device and the time used by the shutter synchronization device. If it is determined that the delay deviation to be verified is not within the range of the preset delay threshold, the shooting time of the controlled device is adjusted according to the delay deviation to be verified, and the adjusted time and number of adjustments are obtained. The alignment time is updated using the adjusted time, and the number of adjustments is also updated. Based on the updated alignment time and the updated number of adjustments, the above steps are repeated until the delay deviation to be verified is within the range of the preset delay threshold, thereby obtaining the target delay deviation, wherein the target delay deviation is within the range of the preset delay threshold.

3. The method according to claim 1, characterized in that, The step of synchronizing time with multiple controlled devices based on a preset reference time includes: Time configuration information is continuously sent to multiple controlled devices in the form of a spectrum; The time configuration information includes the preset reference time, which is a preset absolute time.

4. The method according to claim 3, characterized in that, Before continuously sending time configuration information to the multiple controlled devices in the form of a spectrum, the method further includes: The preset reference time is encoded to generate time-coded information; The time configuration information is generated based on the time encoding information and the identifiers of the multiple controlled devices.

5. The method according to any one of claims 1 to 4, characterized in that, The step of generating a target image using the plurality of images to be processed includes: Based on preset extraction conditions, feature extraction is performed on multiple images to be processed to generate multiple image frames to be combined. Align the multiple image frames to be combined according to the preset reference time to determine the combination order information of the multiple image frames to be combined; Based on the combination order information, multiple image frames to be combined are combined to generate the target image.

6. The method according to claim 5, characterized in that, The controlled device includes: a first controlled device and a second controlled device; the image to be processed captured by the first controlled device corresponds to a first shooting time information, the image to be processed captured by the second controlled device corresponds to a second shooting time information, and the image to be processed captured by the main control device corresponds to a third shooting time information. The preset extraction conditions include: there is an intersection between the first shooting time information, the second shooting time information, and the third shooting time information, and the first shooting time information, the second shooting time information, and the third shooting time information all include the preset reference time.

7. The method according to any one of claims 1 to 4, characterized in that, The target image includes: a first image or a second image with different dimensional information; The first images were captured at the same time, and the difference in capture time between two adjacent second images was the same.

8. The method according to any one of claims 1 to 4, characterized in that, The master control device communicates with the multiple controlled devices via short-range communication.

9. An image acquisition method, characterized in that, The method, applied to a controlled device located at a preset position, wherein the controlled device and a master control device are communicatively connected, includes: Based on the preset reference time sent by the master control device, the system performs time synchronization with the master control device. The preset reference time is determined based on the alignment time and the target delay deviation. The target delay deviation is determined by the master control device controlling multiple controlled devices to align with the shutter synchronization device, obtaining the alignment time, and then iteratively adjusting the shooting time of the multiple controlled devices based on the alignment time. Upon confirming receipt of the shooting control command sent by the main control device, the object to be photographed is photographed according to the preset reference time to obtain an image to be processed; The image to be processed is sent to the main control device, and the image to be processed is used to provide the main control device with image features that match the preset position.

10. An electronic device, comprising: One or more processors; A memory having stored one or more programs that, when executed by one or more processors, cause the one or more processors to implement the image acquisition method as described in any one of claims 1-8, or as described in claim 9.

11. A readable storage medium, characterized in that, The readable storage medium stores a computer program that, when executed by a processor, implements any one of claims 1-8, or the image acquisition method as described in claim 9.

Images