基于压缩感知理论的水下软距离选通自适应偏振光成像技术研究

The underwater optical imaging technology has many specific advantages, such as high resolution imaging, large amount of information, high security and visualization, thus it plays an important role in the field of underwater information detection. However it is difficult to acquire a high resolution image from a long distance using the existing methods. Under this background, this application has deeply studied a novel underwater optical imaging technique based on the framework of compressive sensing by combining range gating and polarized light imaging. In our technique, an original soft range gating method and a new adaptive polarized light imaging method are proposed to further improve the underwater imaging performance. The underwater imaging technology based on compressive sensing via soft range gating and adaptive polarized light can overcome the disadvantages of the traditional techniques and makes the goal of obtaining a high quality image with high resolution from a long distance come true. Therefore, the proposed technique will provide further technical supports to the fields of national defense, scientific research and national economy, such as underwater scientific research, underwater security and underwater engineering.

水下光学成像技术具有成像分辨率高、信息含量大、保密性好、成像直观等诸多优点，在水下信息探测领域具有不可替代性。但现有水下光学成像技术难以实现远距离高分辨率成像。本申请以压缩感知理论为基础，结合距离选通思想和偏振光成像技术，提出原创性的软距离选通技术和自适应偏振光成像技术，进行基于压缩感知理论的水下软距离选通自适应偏振光成像技术的创新研究。预期突破现有水下光学技术的限制，实现水下远距离高质量自适应光学成像。为水下科研、水下安防和水下工程等国防、科学研究和国民经济领域提供更为有力的技术支持。

基于压缩感知理论的水下软距离选通自适应偏振光成像技术的研究，基本按照研究计划，对基于压缩感知理论的水下软距离选通自适应偏振光成像技术结构设计、基于压缩感知成像的软距离选通技术、自适应偏振光成像技术、重构算法等四方面内容进行了研究。验证了所提原软距离选通技术、自适应偏振光成像技术等创新技术的可行性和有效性。研制原理验证样机一台。完成了预期研究技术目标，预期科学目标由于研究过程中的发现，改为正交偏振光成像。项目共拨付经费26万元，共支出138477.61元，结余121522.39元，结余经费计划用于后续研究工作。