MLECO-2082: Adding visual wake word use case
MLECO-2083: Refactoring img_class and visual wake word
*Added source files for visual wake word
*Added tests
*Added docs
*Added new images for visual wake word demo
*Refactored common functions in img_class, visual wake word and other usecases
Change-Id: Ibd25854e19a5517f940a8d3086a5d4835fab89e9
Signed-off-by: Éanna Ó Catháin <eanna.ocathain@arm.com>
diff --git a/source/use_case/vww/src/MainLoop.cc b/source/use_case/vww/src/MainLoop.cc
new file mode 100644
index 0000000..f026cc2
--- /dev/null
+++ b/source/use_case/vww/src/MainLoop.cc
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "hal.h" /* Brings in platform definitions. */
+#include "Classifier.hpp" /* Classifier. */
+#include "InputFiles.hpp" /* For input images. */
+#include "Labels.hpp" /* For label strings. */
+#include "VisualWakeWordModel.hpp" /* Model class for running inference. */
+#include "UseCaseHandler.hpp" /* Handlers for different user options. */
+#include "UseCaseCommonUtils.hpp" /* Utils functions. */
+
+using ViusalWakeWordClassifier = arm::app::Classifier;
+
+void main_loop(hal_platform &platform)
+{
+ arm::app::VisualWakeWordModel model; /* Model wrapper object. */
+
+ /* Load the model. */
+ if (!model.Init()) {
+ printf_err("Failed to initialise model\n");
+ return;
+ }
+
+ /* Instantiate application context. */
+ arm::app::ApplicationContext caseContext;
+
+ arm::app::Profiler profiler{&platform, "vww"};
+ caseContext.Set<arm::app::Profiler&>("profiler", profiler);
+ caseContext.Set<hal_platform&>("platform", platform);
+ caseContext.Set<arm::app::Model&>("model", model);
+ caseContext.Set<uint32_t>("imgIndex", 0);
+
+ ViusalWakeWordClassifier classifier; /* Classifier wrapper object. */
+ caseContext.Set<arm::app::Classifier&>("classifier", classifier);
+
+ std::vector <std::string> labels;
+ GetLabelsVector(labels);
+ caseContext.Set<const std::vector <std::string>&>("labels", labels);
+
+ /* Loop. */
+ bool executionSuccessful = true;
+ constexpr bool bUseMenu = NUMBER_OF_FILES > 1 ? true : false;
+ do {
+ int menuOption = common::MENU_OPT_RUN_INF_NEXT;
+ if (bUseMenu) {
+ DisplayCommonMenu();
+ menuOption = arm::app::ReadUserInputAsInt(platform);
+ printf("\n");
+ }
+
+ switch (menuOption) {
+ case common::MENU_OPT_RUN_INF_NEXT:
+ executionSuccessful = ClassifyImageHandler(caseContext, caseContext.Get<uint32_t>("imgIndex"), false);
+ break;
+ case common::MENU_OPT_RUN_INF_CHOSEN: {
+ printf(" Enter the image index [0, %d]: ", NUMBER_OF_FILES-1);
+ auto imgIndex = static_cast<uint32_t>(arm::app::ReadUserInputAsInt(platform));
+ executionSuccessful = ClassifyImageHandler(caseContext, imgIndex, false);
+ break;
+ }
+ case common::MENU_OPT_RUN_INF_ALL:
+ executionSuccessful = ClassifyImageHandler(caseContext, caseContext.Get<uint32_t>("imgIndex"), true);
+ break;
+ case common::MENU_OPT_SHOW_MODEL_INFO: {
+ executionSuccessful = model.ShowModelInfoHandler();
+ break;
+ }
+ case common::MENU_OPT_LIST_IFM:
+ executionSuccessful = ListFilesHandler(caseContext);
+ break;
+ default:
+ printf("Incorrect choice, try again.");
+ break;
+ }
+ } while (executionSuccessful && bUseMenu);
+ info("Main loop terminated.\n");
+
+}