CN-121995640-A - Imaging device and vehicle

Abstract

The application discloses an imaging device and a vehicle, wherein the imaging device comprises an optical waveguide, an image acquisition module and an image output module, the image acquisition module is in communication connection with the image output module, the optical waveguide is used for splitting incident light to obtain a first light beam and a second light beam, the first light beam is transmitted to a target position, the second light beam is transmitted to the image acquisition module, the first light beam is visible light, the second light beam is invisible light, the image acquisition module is used for imaging and processing the second light beam to obtain a target image, and the image output module is used for projecting the target image to the optical waveguide and transmitting the target image to the target position through the optical waveguide. The imaging effect can be improved through the mode.

Inventors

• JIAO YANG
• SHEN WENBO
• WEI FENG
• LI JINHUA
• JIN FENGHAI
• LAN ZHENYU
• MA RAN
• WANG HAITAO
• LI CHENGJIN
• GU YUEFENG
• ZHOU YI

Assignees

• 浙江吉利控股集团有限公司
• 吉利汽车研究院（宁波）有限公司

Dates

Publication Date

20260508

Application Date

20260312

Claims (14)

1. 1. The imaging device is characterized by comprising an optical waveguide, an image acquisition module and an image output module, wherein the image acquisition module is in communication connection with the image output module; The optical waveguide is used for splitting incident light to obtain a first light beam and a second light beam, transmitting the first light beam to a target position, and transmitting the second light beam to the image acquisition module, wherein the first light beam is visible light, and the second light beam is invisible light; the image acquisition module is used for imaging and processing the second light beam to obtain a target image; The image output module is used for projecting the target image to the optical waveguide, and the optical waveguide transmits the target image to the target position.
2. 2. The apparatus of claim 1, wherein the optical waveguide comprises a transparent substrate, and a color separation filter and a first optical coupling module disposed on opposite sides of the transparent substrate, respectively; the color separation filter is used for splitting the incident light to obtain a first light beam and a second light beam, The transparent substrate is used for transmitting the first light beam to the first optical coupling module and transmitting the second light beam to the image acquisition module; The first optical coupling module is used for coupling out the first light beam and the target image to the target position.
3. 3. The apparatus of claim 2, wherein the optical waveguide further comprises a second optical coupling module disposed on the transparent substrate; the second optical coupling module is used for coupling out a second light beam transmitted through the transparent substrate to the image acquisition module.
4. 4. The apparatus of claim 1, wherein the image acquisition module comprises an imaging sub-module and an image enhancer module; The imaging sub-module is used for processing the received second light beam to obtain an initial image; the image enhancement sub-module is used for carrying out image enhancement processing on the initial image to obtain the target image.
5. 5. The apparatus of claim 4, wherein the imaging submodule includes oppositely spaced apart focusing elements and photosensors; the focusing unit is used for focusing the received second light beam to obtain a third light beam; the photoelectric sensor is used for converting the third light beam into an electric digital signal and obtaining an initial image according to the electric digital signal.
6. 6. The apparatus of claim 2, wherein the image output module comprises a projection element and a collimation device; the projection element is used for projecting the target image; the collimating device is used for carrying out collimation treatment on the light beam projected by the projection element to obtain a collimated light beam, and projecting the collimated light beam to the transparent substrate.
7. 7. The apparatus of claim 6, wherein the optical waveguide further comprises a third optical coupling module disposed on the transparent substrate; the third optical coupling module is used for coupling the collimated light beam into the transparent substrate.
8. 8. The apparatus of any one of claims 2-7, wherein the dichroic filter is formed by plating a multi-layer dielectric film on the transparent substrate.
9. 9. The apparatus of any one of claims 2-7, wherein the second light beam is infrared polarized light.
10. 10. The apparatus of claim 4, wherein the image enhancer module is configured to: Performing image enhancement processing on the initial image through a target generator to obtain a target image, wherein the target generator has the capability of removing stray light in the initial image; Wherein the target generator is obtained by using countermeasure training.
11. 11. The apparatus of claim 10, wherein the training process of the target generator comprises: Acquiring a first sample set, wherein the first sample set comprises a plurality of first images and reference images corresponding to each first image, the first images comprise stray light, and the reference images of the first images do not comprise stray light; training a basic model by adopting a first sample set to obtain an initial generator; Acquiring a second sample set, wherein the second sample set comprises a plurality of second images and labels corresponding to each second image, the second images comprise images obtained through shooting by a camera and images generated by the initial generator, and the labels are used for identifying whether the second images are obtained through shooting by the camera or the second images are obtained through generating by the initial generator; Training an initial discriminator by adopting the second sample set to obtain a discrimination result of each second image; and adjusting parameters of the initial generator according to the judging result of each second image and the label of the second image to obtain a target generator.
12. 12. The apparatus of claim 11, wherein adjusting parameters of the initial generator to obtain a target generator according to the discrimination result of each of the second images and the label of the second image comprises: Determining a first loss value according to the discrimination result of each second image and the label of the second image; If the change value between the first loss value obtained by the current iteration and the first loss value obtained by the previous iteration is larger than a preset threshold value, parameters of the initial generator and the initial discriminator are adjusted according to the first loss value, and a temporary generator and a temporary discriminator are obtained; taking the temporary generator as the initial generator, taking the temporary discriminator as the initial discriminator, and jumping to the step of acquiring a second sample set for execution; and if the change value between the first loss value obtained by the current iteration and the first loss value obtained by the previous iteration is smaller than or equal to a preset threshold value, taking the temporary generator obtained by the last iteration as the target generator.
13. 13. The apparatus of claim 11, wherein training the base model with the first set of samples results in an initial generator comprising: performing image enhancement processing on each first image through the basic model to obtain an enhanced image corresponding to each first image; Calculating average absolute error loss according to the enhanced image of each first image and the reference image corresponding to the first image to obtain a first sub-loss value; Calculating structural similarity loss according to the enhanced image of each first image and the reference image corresponding to the first image, and obtaining a second sub-loss value; Multiplying the second sub-loss value by a preset coefficient and then adding the second sub-loss value to the first sub-loss value to obtain a second loss value; and adjusting parameters of the basic model according to the second loss value to obtain the initial generator.
14. 14. A vehicle, characterized in that the vehicle comprises an imaging device according to any one of claims 1-13.

Description

Imaging device and vehicle Technical Field The application belongs to the technical field of images, and particularly relates to an imaging device and a vehicle. Background The existing imaging device based on the optical waveguide mainly couples light through a coupling device, and divides the light into a first light beam transmitted through the optical waveguide and a second light beam transmitted through the optical waveguide. The two light beams are split into the same light, so that the intensities of the first light beam (i.e. the projection light beam) and the second light beam (i.e. the imaging light beam) are reduced, and the imaging effect is affected. Disclosure of Invention The embodiment of the application provides an imaging device and a vehicle, which can improve imaging effect. In a first aspect, an embodiment of the present application provides an imaging apparatus, where the apparatus includes an optical waveguide, an image acquisition module, and an image output module, where the image acquisition module and the image output module are connected in communication; The optical waveguide is used for splitting incident light to obtain a first light beam and a second light beam, transmitting the first light beam to a target position, and transmitting the second light beam to the image acquisition module, wherein the first light beam is visible light, and the second light beam is invisible light; the image acquisition module is used for imaging and processing the second light beam to obtain a target image; The image output module is used for projecting the target image to the optical waveguide, and the optical waveguide transmits the target image to the target position. In a second aspect, an embodiment of the present application further provides a vehicle, including the imaging device of the first aspect. According to the imaging device provided by the embodiment, since the first light beam obtained by light waveguide light splitting is visible light, and the second light beam is invisible light, on one hand, after light splitting treatment, the light intensity of the first light beam is still higher, the visual effect of human eyes in watching can not be affected after the first light beam is transmitted to the target position through the light waveguide, on the other hand, the image acquisition module can image and process the second light beam to obtain a target image, the target image can be projected to the light waveguide again, the target image is transmitted to the target position through the light waveguide, the target image can comprise more environmental information, the imaging effect can be improved, and therefore high-quality image display effect is provided for users, and the imaging device is beneficial to improving user experience. Drawings In order to more clearly illustrate the technical solution of the embodiments of the present application, the drawings that are needed to be used in the embodiments of the present application will be briefly described, and it is possible for a person skilled in the art to obtain other drawings according to these drawings without inventive effort. Fig. 1 is a schematic structural view of an image forming apparatus according to an embodiment of the present application. Reference numerals: 1-optical waveguide, 11-transparent substrate, 12-dichroic filter, 13-first optical coupling module, 14-second optical coupling module, 15-third optical coupling module, 21-imaging sub-module, 22-image enhancer module, 212-focusing unit, 213-photosensor, 3-image output module, 31-display, 32-collimator, 4-incident light, 41-first light beam, 42-second light beam. Detailed Description Features and exemplary embodiments of various aspects of the present application will be described in detail below, and in order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail below with reference to the accompanying drawings and the detailed embodiments. It should be understood that the particular embodiments described herein are meant to be illustrative of the application only and not limiting. It will be apparent to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the application by showing examples of the application. It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include