optimization

pkg/producer/edge_phase_correlation.go

@@ -0,0 +1,22 @@
+package producer
+
+import (
+	"fmt"
+
+	"gocv.io/x/gocv"
+)
+
+// https://medium.com/radix-ai-blog/banishing-the-jitters-stabilizing-satellite-imagery-with-opencvs-phase-correlation-3ba2dc6ac096
+
+// tackle the brightness and contrast problem
+// by performing phase correlation on detected
+// edges instead of the raw image
+
+func FindEdges(img gocv.Mat) gocv.Mat {
+	img0 := gocv.IMRead("/Users/lan/workspace/sjy01/image-proc/data/052022/010/PAN/SJY01_PAN_20240520_115428_052022_103_010_L1A.tiff", gocv.IMReadUnchanged)
+	fmt.Println(img0.Cols(), img0.Rows(), img0.Type().String())
+	img0.ConvertTo(&img0, gocv.MatTypeCV8U)
+	dst := gocv.NewMat()
+	gocv.Canny(img0, &dst, 100, 200)
+	return dst
+}