Gaze point omnidirectional video streaming method and device based on spherical gaussian guidance

The spherical Gaussian-guided gaze-point panoramic video streaming method solves the problems of geometric distortion and computational overhead in high-latitude regions, achieving efficient panoramic video transmission, reducing bandwidth and computational overhead, and meeting the requirements for low-latency transmission.

CN122420564APending Publication Date: 2026-07-17BEIHANG UNIV
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIHANG UNIV
Filing Date
2026-04-16
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing gaze-based panoramic video streaming methods suffer from geometric distortion in high-latitude regions, leading to unreasonable sampling density allocation, increased computational overhead, and difficulty in meeting low-latency transmission requirements.

Method used

A spherical Gaussian guided method is used to construct a spherical Gaussian visual acuity model. Importance sampling is performed on a pre-generated spherical Fibonacci initial point set to generate a normalized sampling point set. Then, through spherical rotation transformation and multi-resolution sampling, a recombined sampling set is generated and adapted for transmission with a standard video encoder.

Benefits of technology

It reduces the bandwidth and computational overhead of panoramic video transmission, reduces network latency and device power consumption, improves sampling efficiency and encoding adaptability, and meets the requirements of low-latency transmission.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122420564A_ABST
    Figure CN122420564A_ABST
Patent Text Reader

Abstract

本公开的实施例公开了基于球面高斯引导的注视点全景视频流传输方法和装置。该方法的一具体实施方式包括:构建球面高斯视觉敏锐度模型,以及对球面斐波那契初始点集进行重要性采样;针对目标全景视频流的每个全景视频源帧,执行以下步骤:获取全景视频源帧对应的球面视频数据和用户当前注视方向向量;根据规范采样点集与用户当前注视方向,对规范采样点集进行球面旋转变换,以生成当前采样集;在球面视频数据上进行多分辨率采样;对各个采样点的像素值进行结构化重组;将重组采样集传输至目标客户端,以及对用户视点帧进行恢复,以完成全景视频源帧的传输。该实施方式可以降低全景视频传输带宽与计算开销,以此减少网络延迟与设备功耗。
Need to check novelty before this filing date? Find Prior Art