基于文本提示的多模态图像跟踪系统
(西安导引科技有限责任公司,陕西 西安 710075)
摘要
针对纯视觉跟踪器易受遮挡、尺度突变、背景杂乱等干扰因素导致跟踪稳定性差、抗干扰能力弱的问题,本文提出一种多模态融合跟踪方法。引入文本提示思想并构建文本提示库,提出一种视觉与语义信息相融合的多模态跟踪策略。在检测阶段对视频帧候选目标进行细粒度识别,提取目标属性特征以构建文本提示库;将文本提示特征输入视觉孪生网络完成融合,实现文本关键语义信息与视觉区域的关联匹配。实验结果表明,该方法在多个开源数据集上综合性能更优,复杂实景下抗干扰能力更强,跟踪稳定性更高。
关键词
文本提示;多模态融合;细粒度识别;目标跟踪
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作者简介
张凡(1995.01—),男,汉族,陕西西安人,助理工程师,硕士,研究方向:智能优化算法;雷江波(1996.07—),男,汉族,陕西渭南人,工程师,硕士,研究方向:图像处理;李亚学(1993.08—),男,汉族,陕西渭南人,工程师,硕士,研究方向:计算机视觉;郭轩(1989.09—),男,汉族,陕西渭南人,工程师,硕士,研究方向:计算机视觉。