func TestCorrBankStrideNaive_vsDecimate(t *testing.T) {
const (
numOut = 4
eps = 1e-9
)
for _, q := range strideCases {
f := randImage(q.ImSize.X, q.ImSize.Y)
g := randBank(q.TmplSize.X, q.TmplSize.Y, numOut)
h, err := slide.CorrBankNaive(f, g)
if err != nil {
t.Errorf("im %v, tmpl %v, stride %d: %v", q.ImSize, q.TmplSize, q.K, err)
continue
}
want := slide.DecimateMulti(h, q.K)
got, err := slide.CorrBankStrideNaive(f, g, q.K)
if err != nil {
t.Errorf("im %v, tmpl %v, stride %d: %v", q.ImSize, q.TmplSize, q.K, err)
continue
}
if err := errIfNotEqMulti(want, got, eps); err != nil {
t.Errorf("im %v, tmpl %v, stride %d: %v", q.ImSize, q.TmplSize, q.K, err)
continue
}
}
}
func TestCorrBankFFT_vsNaive(t *testing.T) {
const (
m = 40
n = 30
w = 100
h = 80
numOut = 6
eps = 1e-9
)
f := randImage(w, h)
g := randBank(w, h, numOut)
naive, err := slide.CorrBankNaive(f, g)
if err != nil {
t.Fatal(err)
}
fft, err := slide.CorrBankFFT(f, g)
if err != nil {
t.Fatal(err)
}
if err := errIfNotEqMulti(naive, fft, eps); err != nil {
t.Fatal(err)
}
}