Class Laplacian

constructor

• new Laplacian(th: number, n?: 4 | 8): Laplacian

  Parameters

  • th: number

    Threshold
  • Optionaln: 4 | 8

    Number of neighborhoods

  Returns Laplacian

_n

_threshold

_convolute

• _convolute(x: any, kernel: any): any[][]

  Parameters

  • x: any
  • kernel: any

  Returns any[][]

predict

• predict(x: number[][]): boolean[][]

  Returns predicted edge flags.

  Parameters

  • x: number[][]

    Training data

  Returns boolean[][]

  Predicted values. true if a pixel is edge.