Danielsson P E
Appl Opt. 1989 May 1;28(9):1613-4. doi: 10.1364/AO.28.001613.
The signature vector method is target pattern rotationinvariant but does not discriminate well against many other patterns with a similar vector but different shapes.
签名向量法对目标模式的旋转具有不变性,但对于许多具有相似向量但形状不同的其他模式,其区分能力不佳。