make sure the result is on-par with liblinear ones

xiegy · Nov 28, 2014 · 7ede8e0 · 7ede8e0
1 parent 8db7071
commit 7ede8e0
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 4 deletions.
diff --git a/bin/scdcreate.c b/bin/scdcreate.c
@@ -113,8 +113,6 @@ int main(int argc, char** argv)
 			.base = ccv_size(12, 12),
 			.range_through = 4,
 			.step_through = 4,
-			.active_set = 640,
-			.wide_set = 1920,
 		},
 		.stop_criteria = {
 			.hit_rate = 0.9925,
@@ -125,7 +123,7 @@ int main(int argc, char** argv)
 			.light_feature = 4,
 		},
 		.weight_trimming = 0.99,
-		.C = 0.005,
+		.C = 0.0005,
 		.grayscale = 1,
 	};
 	ccv_scd_classifier_cascade_t* cascade = ccv_scd_classifier_cascade_new(posfiles, hard_mine, negative_count, working_dir, params);

diff --git a/lib/ccv_scd.c b/lib/ccv_scd.c
@@ -473,7 +473,7 @@ static void _ccv_scd_feature_supervised_train(gsl_rng* rng, ccv_array_t* feature
 		int j;
 		for (j = 0; j < 33; j++)
 			x->data.f32[j] = gsl_rng_uniform_pos(rng) * 2 - 1.0;
-		ccv_minimize(x, 5, 1.0, _ccv_scd_feature_logistic_loss, ccv_minimize_default_params, &context);
+		ccv_minimize(x, 10, 1.0, _ccv_scd_feature_logistic_loss, ccv_minimize_default_params, &context);
 		for (j = 0; j < 32; j++)
 			feature->w[j] = x->data.f32[j];
 		feature->bias = x->data.f32[32];