diff --git a/testdata/cv/alphamat/img/elephant.png b/testdata/cv/alphamat/img/elephant.png new file mode 100644 index 000000000..32a09c145 Binary files /dev/null and b/testdata/cv/alphamat/img/elephant.png differ diff --git a/testdata/cv/alphamat/reference/elephant.png b/testdata/cv/alphamat/reference/elephant.png new file mode 100644 index 000000000..b715dc8b6 Binary files /dev/null and b/testdata/cv/alphamat/reference/elephant.png differ diff --git a/testdata/cv/alphamat/trimap/elephant.png b/testdata/cv/alphamat/trimap/elephant.png new file mode 100644 index 000000000..6e48e8ba0 Binary files /dev/null and b/testdata/cv/alphamat/trimap/elephant.png differ