Search

CN-121985210-A - Image acquisition method, system, device, storage medium and program product

CN121985210ACN 121985210 ACN121985210 ACN 121985210ACN-121985210-A

Abstract

The embodiment of the application provides an image acquisition method, an image acquisition system, an image acquisition device, an image acquisition storage medium and an image acquisition program product, and relates to the technical field of medical image acquisition and processing. The method comprises the steps of generating a reference signal through a synchronous control module, generating differential signal trigger pulses according to the reference signal through the time sequence controller, collecting real-time illumination data through a light supplementing module, adjusting the light supplementing data based on the real-time illumination data, transmitting the differential signal trigger pulses to a plurality of camera modules, combining the light supplementing data based on the differential signal trigger pulses, and driving the plurality of camera modules to perform step focusing to generate a target image. The method of the application obviously reduces time deviation and ensures accurate alignment of dynamic characteristics through a hardware synchronous trigger mechanism, reduces image splicing dislocation risk through a synchronous exposure mechanism, improves the robustness of image processing, and realizes high-precision, high-synchronism and high-environmental-adaptability image acquisition.

Inventors

  • TANG JINXING

Assignees

  • 四川易景智能终端有限公司

Dates

Publication Date
20260505
Application Date
20260408

Claims (10)

  1. 1. An image acquisition method, the method comprising: Generating a reference signal by a synchronous control module, wherein the synchronous control module comprises a clock generator and a time sequence controller; generating, by the timing controller, a differential signal trigger pulse according to the reference signal; Collecting real-time illumination data through a light supplementing module, and adjusting the light supplementing data based on the real-time illumination data; Transmitting the differential signal trigger pulse to a plurality of camera modules, and driving the plurality of camera modules to perform step focusing based on the differential signal trigger pulse and the light supplementing data, so as to generate and obtain a target image.
  2. 2. The method of claim 1, wherein driving the multi-camera module to step focus, generating a resulting target image, comprises: driving the multi-camera module to perform multi-step focusing through a stepping motor, and generating focusing images corresponding to each step of focusing; and obtaining the definition score of the focusing image generated by focusing in each step, and synthesizing the target image according to the definition score.
  3. 3. The method of claim 1, wherein the collecting real-time illumination data by the light replenishment module, adjusting the light replenishment data based on the real-time illumination data, comprises: collecting real-time illumination data through the light supplementing module; And dynamically adjusting the sensor analog gain data and the digital gain data by taking a preset time window as a period according to the real-time illumination data, so that the color error of the target image in a preset illumination range is smaller than a preset color error value.
  4. 4. The method of claim 3, wherein the light compensating module is fixed to the periphery of the multi-camera module and comprises a light bead and a polarizer, and the dynamically adjusting sensor analog gain data and digital gain data comprises: And adjusting the brightness of the light source by adjusting the pulse width through the lamp beads, and filtering reflected light in a preset direction through the polaroid to realize adjustment of the sensor analog gain data and the digital gain data.
  5. 5. The method according to claim 1, wherein the method further comprises: And carrying out zero frame loss storage on the target image through lossless compression coding by utilizing an embedded storage unit.
  6. 6. The image acquisition system is characterized by comprising a synchronous control module, a multi-camera module, a light supplementing module and a multi-focus synthesis system: The synchronous control module comprises a clock generator and a time sequence controller, wherein the clock generator is connected with the time sequence controller through a signal wire, and the time sequence controller is used for generating differential signal trigger pulse according to a reference signal output by the clock generator; the light supplementing module is used for collecting real-time illumination data and adjusting the light supplementing data based on the real-time illumination data; the synchronous control module is also used for transmitting the differential signal trigger pulse to the multi-camera module; the multi-focus synthesis system is used for driving the multi-camera module to perform step focusing based on the differential signal trigger pulse and the light supplementing data, and generating and obtaining a target image.
  7. 7. The system of claim 6, wherein the multi-camera module comprises a first camera and a second camera: The first camera is connected with the synchronous control module through a preset interface; the second camera is connected with the synchronous control module through a coaxial cable.
  8. 8. An electronic device comprising a processor and a memory communicatively coupled to the processor; the memory stores computer-executable instructions; the processor executes computer-executable instructions stored in the memory to implement the method of any one of claims 1 to 5.
  9. 9. A computer readable storage medium having stored therein computer executable instructions which when executed by a processor are adapted to carry out the method of any one of claims 1 to 5.
  10. 10. A computer program product comprising a computer program which, when executed by a processor, implements the method of any one of claims 1 to 5.

Description

Image acquisition method, system, device, storage medium and program product Technical Field The present application relates to the field of medical image acquisition and processing technologies, and in particular, to an image acquisition method, system, device, storage medium, and program product. Background In clinical diagnosis, tongue diagnosis and facial diagnosis are important differentiation criteria, and detailed features such as tongue morphology, tongue coating color and facial color are required to be captured through high-precision images. However, the traditional clinical diagnosis relies on naked eyes of doctors or common digital cameras to shoot, has the problems of low image resolution, color distortion, dynamic ambient light interference and the like, and is difficult to meet the strict requirements on image details and color fidelity in the clinical diagnosis. In the prior art, the tongue image acquisition mode mainly comprises the steps of sequentially shooting tongue images and surface images through a rotating bracket, wherein the time difference is about 500ms, dynamic characteristics are lost, software is adopted to synchronously trigger and acquire the tongue images, the time deviation is more than 50ms, the frame rate is unstable, the tongue images are acquired under strong light above 10000lux, color oversaturation is easy to occur, the tongue images are acquired through a diffuse reflection light supplementing lamp, details of a tongue specular reflection area are lost, and the tongue body curved surface overall view cannot be covered through mechanical focusing single shooting, wherein the depth of field range is only 3-5 mm. Therefore, the quality of the tongue surface image acquired in the existing clinical diagnosis is insufficient, and the high-precision requirements of the diagnosis on the image details and the color fidelity cannot be met. Disclosure of Invention The application provides an image acquisition method, an image acquisition system, an image acquisition device, a storage medium and a program product, which are used for solving the technical problem that the quality of an acquired tongue image is insufficient and the high-precision requirements of diagnosis on image details and color fidelity cannot be met. In a first aspect, the present application provides an image acquisition method, including: Generating a reference signal by a synchronous control module, wherein the synchronous control module comprises a clock generator and a time sequence controller; Generating a differential signal trigger pulse according to the reference signal by a time sequence controller; Collecting real-time illumination data through a light supplementing module, and adjusting the light supplementing data based on the real-time illumination data; Transmitting the differential signal trigger pulse to a plurality of camera modules, driving the plurality of camera modules to perform step focusing based on the differential signal trigger pulse and combining light supplementing data, and generating a target image. In a second aspect, the application provides an image acquisition system, comprising a synchronous control module, a multi-camera module, a light supplementing module and a multi-focus synthesis system: the synchronous control module comprises a clock generator and a time sequence controller, the clock generator is connected with the time sequence controller through a signal wire, and the time sequence controller is used for generating differential signal trigger pulse according to a reference signal output by the clock generator; the light supplementing module is used for collecting real-time illumination data and adjusting the light supplementing data based on the real-time illumination data; the synchronous control module is also used for transmitting the differential signal trigger pulse to the multi-camera module; And the multi-focus synthesis system is used for driving the multi-camera module to perform stepped focusing based on the differential signal trigger pulse and combining the light supplementing data to generate and obtain a target image. In a third aspect, the present application provides an electronic device comprising a processor, a memory communicatively coupled to the processor; the memory stores computer-executable instructions; The processor executes computer-executable instructions stored in the memory to implement the method of any of the first aspects. In a fourth aspect, the present application provides a computer-readable storage medium having stored therein computer-executable instructions which, when executed by a processor, are adapted to carry out the method of any one of the first aspects. In a fifth aspect, the application provides a computer program product comprising a computer program which, when executed by a processor, implements the method of any of the first aspects. The image acquisition method, the system, the equipment, the storage medium