JavaCV实现照片马赛克效果

  <dependency>
    <groupId>org.bytedeco</groupId>
    <artifactId>javacv-platform</artifactId>
    <version>1.5.6</version>
  </dependency>

    val path ="path/to/img/"
    val img = opencv_imgcodecs.imread(path + "meinv.jpeg")

    val size = img.size()
    val height = size.height()
    val width = size.width()
    
    val pixelSize = 10
    
    val newWidth = width / pixelSize
    val newHeight = height / pixelSize

    val imgTmp: Mat? = null
    opencv_imgproc.resize(img, imgTmp, Size(newWidth, newHeight),0.0, 0.0, opencv_imgproc.INTER_NEAREST)
    opencv_imgproc.resize(img, imgTmp, Size(width, height),0.0, 0.0, opencv_imgproc.INTER_NEAREST)

import org.bytedeco.opencv.global.opencv_highgui
import org.bytedeco.opencv.global.opencv_imgcodecs
import org.bytedeco.opencv.global.opencv_imgproc
import org.bytedeco.opencv.opencv_core.Mat
import org.bytedeco.opencv.opencv_core.Size

fun main(args: Array<String>) {

    val path = "path/to/img/"
    val img = opencv_imgcodecs.imread(path + "meinv.jpeg")

    val size = img.size()
    val height = size.height()
    val width = size.width()

    val pixelSize = 10

    val newWidth = width / pixelSize
    val newHeight = height / pixelSize

    val imgTmp: Mat? = null
    opencv_imgproc.resize(img, imgTmp, Size(newWidth, newHeight), 0.0, 0.0, opencv_imgproc.INTER_NEAREST)
    opencv_imgproc.resize(img, imgTmp, Size(width, height), 0.0, 0.0, opencv_imgproc.INTER_NEAREST)


    opencv_highgui.imshow("meinv", img);
    opencv_highgui.waitKey(0)

}