vendor: OpenCV 5.0.0 snapshot at 755e50675d97db9b7d449d8bd6b09888646f6c6e

modules/datasets/samples/sr_bsds.cpp

@@ -0,0 +1,50 @@
+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html.
+
+#include "opencv2/datasets/sr_bsds.hpp"
+
+#include <opencv2/core.hpp>
+
+#include <cstdio>
+
+#include <string>
+#include <vector>
+
+using namespace std;
+using namespace cv;
+using namespace cv::datasets;
+
+int main(int argc, char *argv[])
+{
+    const char *keys =
+            "{ help h usage ? |    | show this message }"
+            "{ path p         |true| path to dataset (images, iids_train.txt, iids_test.txt) }";
+    CommandLineParser parser(argc, argv, keys);
+    string path(parser.get<string>("path"));
+    if (parser.has("help") || path=="true")
+    {
+        parser.printMessage();
+        return -1;
+    }
+
+    Ptr<SR_bsds> dataset = SR_bsds::create();
+    dataset->load(path);
+
+    // ***************
+    // Dataset train & test contain names of appropriate images.
+    // For example, let's output full path & name for first train and test images.
+    // And dataset sizes.
+    printf("train size: %u\n", (unsigned int)dataset->getTrain().size());
+    printf("test size: %u\n", (unsigned int)dataset->getTest().size());
+
+    SR_bsdsObj *example1 = static_cast<SR_bsdsObj *>(dataset->getTrain()[0].get());
+    string fullPath(path + "images/train/" + example1->imageName + ".jpg");
+    printf("first train image: %s\n", fullPath.c_str());
+
+    SR_bsdsObj *example2 = static_cast<SR_bsdsObj *>(dataset->getTest()[0].get());
+    fullPath = path + "images/test/" + example2->imageName + ".jpg";
+    printf("first test image: %s\n", fullPath.c_str());
+
+    return 0;
+}