| Summary: | 碩士 === 國立交通大學 === 多媒體工程研究所 === 96 === Usually Hough transform (HT) was used to detect lines, circles, ellipses, and hyperbolas in an image. But it needed huge calculation and consumed the memory.
Using simulated annealing (SA), we propose the sequential detection system to detect the parameters of lines, circle, ellipse, and hyperbola in images. The proposed sequential simulated annealing pattern detection system has the capability of searching a set of parameter vectors with global minimal error. In pattern detection, instead of detection the patterns of all types at one step, we use a sequential concept to detect the patterns of a type at one step. Then we remove the detected patterns. The reaming data will be used in the SA to detect the patterns of other type.
Using sequential simulated annealing pattern detection system to detect simulated images can get good detections. The method is also applied to detect the parameters of direct wave (line) and reflected wave pattern (hyperbola) in simulated and real one-shot seismograms, the results can improve seismic interpretation and further seismic data processing. We also use the system to detect the hyperbolic patterns in the CDP image. The detected parameters can be used to calculate the interval velocity in each layer. The results makes velocity analysis automated.
|
|---|
