PMS立体匹配的基本思想
时间: 2024-03-15 10:42:24 浏览: 26
PMS(PatchMatch Stereo)立体匹配的基本思想是通过匹配两幅图像中的像素块来获取图像的深度信息。具体来说,它将左右两幅图像分别划分成大小相等的像素块,然后通过随机化的方式对右图像中每个像素块与左图像中的像素块进行匹配,计算它们之间的相似度,最终得到像素块之间的匹配结果。通过不断迭代匹配过程,可以得到两幅图像中每个像素块的最佳匹配,从而获得深度信息。PMS立体匹配具有计算速度快、准确度高等优点,在计算机视觉领域有着广泛的应用。
相关问题
Android PMS
Android PMS (Package Manager Service) 是 Android 操作系统中负责管理应用程序安装、卸载、更新和权限控制的系统服务。它提供了一组 API,开发者可以使用这些 API 来控制和管理应用程序的安装和权限。
通过 Android PMS,开发者可以使用 PackageManager 类来获取应用程序信息、安装和卸载应用程序,以及查询和授予应用程序权限。同时,PMS 还负责应用程序之间的权限管理,确保应用程序在运行时只能访问其被授权的权限。
Android PMS 的作用非常重要,它确保了应用程序的安全性和隐私性,并提供了一种机制来管理和保护用户数据。它是 Android 系统中的关键组件之一。
android pms
Android PMS (Package Manager Service) is a system service in the Android operating system that is responsible for managing the installation, upgrade, and removal of applications on an Android device. It also manages the permissions that are granted to each application, ensuring that each app only has access to the resources and data that it is authorized to use.
The Package Manager Service maintains a database of all installed applications on the device, including their version numbers, signatures, and permissions. When an application is installed or updated, the PMS checks its package name, version code, and signature against the existing database to ensure that it is a valid and authorized package.
The PMS also manages the granting and revocation of permissions for each application. When an app requests a permission, the PMS checks whether the permission is granted or denied, and if it is not granted, it prompts the user to grant or deny the request.
Overall, the Android PMS plays a crucial role in maintaining the security and stability of the Android operating system and ensuring that each application behaves as expected.
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