Privacy Policy

本文档概述了Wi-Fi Action摄像头如何收集、使用、维护和披露用户信息的隐私政策。涵盖了个人信息收集方式、非个人信息类型、Cookie使用情况及信息保护措施等内容。

Privacy Policy

This Privacy Policy governs the manner in which Wifi Aciton Camera collects, uses, maintains and discloses information collected from users (each, a “User”) of the Wifi Aciton Camera. This privacy policy applies to the Site and all products and services offered byWifi Aciton Camera.

Personal identification information
We may collect personal identification information from Users in a variety of ways, including, but not limited to, when Users visit our site, register on the site, place an order, subscribe to the newsletter, fill out a form, and in connection with other activities, services, features or resources we make available on our Site. Users may be asked for, as appropriate, name, email address, mailing address, phone number, credit card information. Users may, however, visit our Site anonymously. We will collect personal identification information from Users only if they voluntarily submit such information to us. Users can always refuse to supply personally identification information, except that it may prevent them from engaging in certain Site related activities.

Non-personal identification information
We may collect non-personal identification information about Users whenever they interact with our Site. Non-personal identification information may include the browser name, the type of computer and technical information about Users means of connection to our Site, such as the operating system and the Internet service providers utilized and other similar information.

Web browser cookies
Our Site may use “cookies” to enhance User experience. User’s web browser places cookies on their hard drive for record-keeping purposes and sometimes to track information about them. User may choose to set their web browser to refuse cookies, or to alert you when cookies are being sent. If they do so, note that some parts of the Site may not function properly.

How we use collected information
Wifi Action Camera may collect and use Users personal information for the following purposes:

  • To improve customer service – Information you provide helps us respond to your customer service requests and support needs more efficiently.
  • To process payments – We may use the information Users provide about themselves when placing an order only to provide service to that order. We do not share this information with outside parties except to the extent necessary to provide the service.
  • To run a promotion, contest, survey or other Site feature – To send Users information they agreed to receive about topics we think will be of interest to them.
  • To send periodic emails – We may use the email address to send User information and updates pertaining to their order. It may also be used to respond to their inquiries, questions, and/or other requests. If User decides to opt-in to our mailing list, they will receive emails that may include company news, updates, related product or service information, etc. If at any time the User would like to unsubscribe from receiving future emails, we include detailed unsubscribe instructions at the bottom of each email.

How we protect your information
We adopt appropriate data collection, storage and processing practices and security measures to protect against unauthorized access, alteration, disclosure or destruction of your personal information, username, password, transaction information and data stored on our Site.

Sharing your personal information
We do not sell, trade, or rent Users personal identification information to others. We may use third party service providers to help us operate our business and the Site or administer activities on our behalf, such as sending out newsletters or surveys. We may share your information with these third parties for those limited purposes provided that you have given us your permission.

Third party websites
Users may find advertising or other content on our Site that link to the sites and services of our partners, suppliers, advertisers, sponsors, licensors and other third parties. We do not control the content or links that appear on these sites and are not responsible for the practices employed by websites linked to or from our Site. In addition, these sites or services, including their content and links, may be constantly changing. These sites and services may have their own privacy policies and customer service policies. Browsing and interaction on any other website, including websites which have a link to our Site, is subject to that website’s own terms and policies.

Changes to this privacy policy
Wifi Action Camera has the discretion to update this privacy policy at any time. When we do, we will revise the updated date at the bottom of this page. We encourage Users to frequently check this page for any changes to stay informed about how we are helping to protect the personal information we collect. You acknowledge and agree that it is your responsibility to review this privacy policy periodically and become aware of modifications.

Your acceptance of these terms
By using this Site, you signify your acceptance of this policy and terms of service. If you do not agree to this policy, please do not use our Site. Your continued use of the Site following the posting of changes to this policy will be deemed your acceptance of those changes.

Contacting us
If you have any questions about this Privacy Policy, the practices of this site, or your dealings with this site, please contact us at:

Wifi Action Camera
JGHT HuiYiCheng 1A West 1316, Bao'an Shenzhen Guangdong China.
hswrd01@126.com

一种基于有效视角点方法的相机位姿估计MATLAB实现方案 该算法通过建立三维空间点与二维图像点之间的几何对应关系,实现相机外部参数的精确求解。其核心原理在于将三维控制点表示为四个虚拟基点的加权组合,从而将非线性优化问题转化为线性方程组的求解过程。 具体实现步骤包含以下关键环节:首先对输入的三维世界坐标点进行归一化预处理,以提升数值计算的稳定性。随后构建包含四个虚拟基点的参考坐标系,并通过奇异值分解确定各三维点在该基坐标系下的齐次坐标表示。接下来建立二维图像点与三维基坐标之间的投影方程,形成线性约束系统。通过求解该线性系统获得虚拟基点在相机坐标系下的初步坐标估计。 在获得基础解后,需执行高斯-牛顿迭代优化以进一步提高估计精度。该过程通过最小化重投影误差来优化相机旋转矩阵和平移向量。最终输出包含完整的相机外参矩阵,其中旋转部分采用正交化处理确保满足旋转矩阵的约束条件。 该实现方案特别注重数值稳定性处理,包括适当的坐标缩放、矩阵条件数检测以及迭代收敛判断机制。算法能够有效处理噪声干扰下的位姿估计问题,为计算机视觉中的三维重建、目标跟踪等应用提供可靠的技术基础。 资源来源于网络分享,仅用于学习交流使用,请勿用于商业,如有侵权请联系我删除!
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