该文在分析光流模型约束条件的基础上,提出了一种鲁棒的多分辨率光流估计方法,并对光流应用于目标检测的一些实际问题进行了探讨。
Based on the detail analysis of optical flow model, a robust multi-resolution estimation approach of optical flow is proposed, and some practical problems are also discussed on target detection.
视觉运动分析分为基于特征的方法和基于光流场的方法。
The main ways of visual motion analysis can be classified into feature based and optical flow based.
本文结合图像运动分析中的光流技术,提出了一种新的基于场景的连续校正算法,该算法具有较好的自适应性能。
Based on the optical flow technique in image motion analysis, a new continuous correction algorithm based on scene is proposed in the paper. The algorithm has a better adaptive performance.
分析了光流计算中产生时域微分估计误差的各种因素,提出了光流的逐次逼近计算模型。
The factors, which introduce the error of temporal differential estimation are, analyzed. The successive approximation calculation model for the optical flow estimation is put forward.
采用C语言完成了灰度转换、图像差分、中值滤波、光流估计、形心确定、高速球控制等软件模块的程序设计,调试出程序执行时间并做了实时性分析;
Most software module programs are compiled with the language C, and the execution time of the program is debugged and the real-time performance compared as well.
近来,很多新的算法被应用在表情识别当中来,如:人工神经网络、支持向量机、小波分析、隐马尔可夫链模型和光流等。
Recently, many novel methods are applied in the facial expression recognition such as Artificial Neural Networks, Support Vector Machines, Wavelet Analysis, Hide Markov Model and Optical Flow, etc.
算法主要包括图像的预处理,车辆的运动检测和基于光流场的行为分析。
The algorithm is mainly composed of image preprocessing, the vehicle motion detection and behavior analysis based on optical flow.
该光流算法在行车环境传感、交通流分析中具有潜在的应用价值。
It can be expected that this algorithm will be of potential application in driving environment sensing and traffic flow analysis.
这些初步测量和 分析结果表明通过哈特曼波前测量法既可研究光 束在湍流场中引起的波前变化规律 ,同时还可以应用于湍 流场 流场参数的间接 分析。
These results show that the Hartmann wavefront sensor is not only used to measure the aero optical effects in turbulent medium, but also utilized to perform non intrusive studies of fluid flows.
这些初步测量和 分析结果表明通过哈特曼波前测量法既可研究光 束在湍流场中引起的波前变化规律 ,同时还可以应用于湍 流场 流场参数的间接 分析。
These results show that the Hartmann wavefront sensor is not only used to measure the aero optical effects in turbulent medium, but also utilized to perform non intrusive studies of fluid flows.
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