remove if condition

examples/python/pigo.go

@@ -34,38 +34,36 @@ func FindFaces(pixels []uint8) uintptr {
 		}
 	}
 
-	if len(result) > 0 {
-		// Since we cannot transfer a 2d array trough an array pointer
-		// we have to transform it into 1d array.
-		go func() {
-			det := make([]int, 0, len(result))
-			for _, v := range result {
-				det = append(det, v...)
-			}
-			fmt.Println(det)
-			// Include as a first slice element the number of detected faces.
-			// We need to transfer this value in order to define the Python array buffer length.
-			det = append([]int{len(result), 0, 0}, det...)
+	// Since in Go we cannot transfer a 2d array trough an array pointer
+	// we have to transform it into 1d array.
+	go func() {
+		det := make([]int, 0, len(result))
+		for _, v := range result {
+			det = append(det, v...)
+		}
+		fmt.Println(det)
+		// Include as a first slice element the number of detected faces.
+		// We need to transfer this value in order to define the Python array buffer length.
+		det = append([]int{len(result), 0, 0}, det...)
 
-			// Convert the slice into an array pointer.
-			s := *(*[]int)(unsafe.Pointer(&det))
-			p := uintptr(unsafe.Pointer(&s[0]))
+		// Convert the slice into an array pointer.
+		s := *(*[]int)(unsafe.Pointer(&det))
+		p := uintptr(unsafe.Pointer(&s[0]))
 
-			// Ensure `det` is not freed up by GC prematurely.
-			runtime.KeepAlive(det)
-			// return the pointer address
-			pointCh <- p
-		}()
-		return <-pointCh
-	}
-	return 0
+		// Ensure `det` is not freed up by GC prematurely.
+		runtime.KeepAlive(det)
+
+		// return the pointer address
+		pointCh <- p
+	}()
+	return <-pointCh
 }
 
 // clusterDetection runs Pigo face detector core methods
 // and returns a cluster with the detected faces coordinates.
 func clusterDetection(pixels []uint8, rows, cols int) []pigo.Detection {
 	cParams := pigo.CascadeParams{
-		MinSize:     100,
+		MinSize:     20,
 		MaxSize:     1000,
 		ShiftFactor: 0.15,
 		ScaleFactor: 1.1,