resizeImg(){

    const img_rgb = cv.imread(this.canvasInput.nativeElement.id);
    let img_adapted = new cv.Mat();
    let img_gray = new cv.Mat();
    let resized = new cv.Mat();
    let dsize = new cv.Size(200, 200);
    cv.cvtColor(img_rgb, img_gray, cv.COLOR_BGR2GRAY,0);
    cv.adaptiveThreshold(img_gray,img_adapted,255, cv.ADAPTIVE_THRESH_MEAN_C, cv.THRESH_BINARY, 11, 2);
    //let img_stacked = tf.layers.repeatVector({n: 3, inputShape: [2]})



    //cv.resize(img_stacked, resized, dsize, 0, 0, cv.INTER_AREA);


    //cv.imshow('canvasOutput',img_adapted);
    //const img_stacked = tf.repeat(img_adapted,3,axis=2);


    //console.log(img_stacked);
    //console.log("hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh");

    //return bg_img;
  }