适用于跨媒体信息检索的视听视频语义解析方法及系统
By constructing an audiovisual feature distance matrix in a cross-media information retrieval system and using a graph matching algorithm to generate a minimum distance matching sequence, the problems of audio-visual time deviation and non-alignment are solved, thus improving the accuracy of cross-media retrieval.
CN122240879BActive Publication Date: 2026-07-17SHAANXI GUOBO ZHENGTONG INFORMATION TECH CO LTD +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHAANXI GUOBO ZHENGTONG INFORMATION TECH CO LTD
- Filing Date
- 2026-05-19
- Publication Date
- 2026-07-17
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Figure CN122240879B_ABST
Abstract
本申请涉及一种适用于跨媒体信息检索的视听视频语义解析方法及系统。方法包括：从待处理视听视频中提取长度相等的视频帧序列与音频切片序列，将视频帧序列与音频切片序列映射至共享特征空间；根据视频帧序列与音频切片序列之间的特征差异与时间偏差，构建视听特征距离矩阵；将视听特征距离矩阵转化为无向完全二分图，根据图匹配算法求解，生成最小距离匹配序列；根据最小距离匹配序列的时序颠倒程度、最小距离匹配序列中的各节点在空间代价矩阵中对应的数值，确定音画特征匹配得分；根据音画特征匹配得分与预设的判定基准的比对结果，确定视频帧序列与音频切片序列的特征存储路径。本申请能提升跨媒体检索的准确率。
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