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Efficient and improved edge detection via a hysteresis thresholding method

机译:通过滞后阈值阈值方法高效和改进的边缘检测

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摘要

Hysteresis thresholding is a popular technique for automatic edge detection. However, calculating reasonably high and low thresholds using an unsupervized method remains an issue. Conventional low and high threshold-linking methods sometimes produce noisy edges and fail to detect some obvious edges. Here, a novel edge detection algorithm is proposed that provides efficient calculation of thresholds, and links edge maps for extraction of the final edge map at low complexity. The proposed method suppresses unwanted noisy edges while efficiently preserving obvious edges. The simulation results show that the proposed method provides better results in terms of performance and computation time. Thus, it can be applied to any feature image analysed by an edge detector.
机译:滞后阈值化是一种用于自动边缘检测的流行技术。 然而,使用无预测方法计算合理的高阈值仍然是一个问题。 传统的低阈值连接方法有时会产生嘈杂的边缘并且无法检测到一些明显的边缘。 这里,提出了一种新颖的边缘检测算法,其提供有效计算阈值,并链接用于在低复杂度下提取最终边缘图的边缘图。 该方法抑制了不需要的噪声边缘,同时有效地保持明显的边缘。 仿真结果表明,该方法在性能和计算时间方面提供了更好的结果。 因此,它可以应用于边缘检测器分析的任何特征图像。

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