Contrastanomaly method and normalization method have the near same calculating model, and can also identify puniness anomalies.
衬度异常法和归一化法的计算模型近于一致，对弱小异常也有一定的识别作用。
2
The simplest way to eliminate disturbing factors is part statistics of the background values or delineating the anomalies by using the different anomaly thresholds or contrast values.