1.3. 卷积与相关

1.3.1. 卷积与相关关系

卷积与相关关系示意图

图 1.9 Visual comparison of convolution, cross-correlation and autocorrelation (from wiki).

For the operations involving function \(f\) , and assuming the height of \(f\) is 1.0, the value of the result at 5 different points is indicated by the shaded area below each point. Also, the vertical symmetry of \(f\) is the reason \(f*g\) , \(f*g\) are identical in this example.