Feature/190 execute interference via ncnnopenvino

.gitignore

@@ -8,3 +8,6 @@ flatpak/build-dir
 flatpak/repo
 flatpak/.flatpak-builder
 *.user
+models/*.bin
+models/*.param
+logs

io.github.saeugetier.photobooth.json

@@ -45,7 +45,7 @@
             ],
             "cleanup": [
                 "/bin/*",
-                "/share/opencv4/*"
+                "/share/*"
             ]
         },
         {
@@ -75,6 +75,25 @@
                 }
             ]
         },
+        {
+            "name": "ncnn",
+            "buildsystem": "cmake-ninja",
+            "builddir": true,
+            "config-opts": [
+                "-DNCNN_BUILD_TESTS=OFF",
+                "-DNCNN_BUILD_EXAMPLES=OFF",
+                "-DNCNN_BUILD_TOOLS=OFF",
+                "-DNCNN_BUILD_BENCHMARK=OFF",
+                "-DNCNN_SHARED_LIB=ON"
+            ],
+            "sources": [
+                {
+                    "type": "archive",
+                    "url": "https://github.com/Tencent/ncnn/archive/refs/tags/20250503.tar.gz",
+                    "sha256": "3afea4cf092ce97d06305b72c6affbcfb3530f536ae8e81a4f22007d82b729e9"
+                }
+            ]
+        },
         {
             "name": "qtvirtualkeyboard",
             "buildsystem": "cmake-ninja",
@@ -92,6 +111,38 @@
                 "rmdir ${FLATPAK_DEST}/lib/${FLATPAK_ARCH}-linux-gnu"
             ]
         },
+        {
+            "name": "yolo-models",
+            "buildsystem": "simple",
+            "build-options": {
+                "build-args": [
+                    "--share=network"
+                ]
+            },
+            "build-commands": [
+                "python3 -m venv yolo-venv",
+                ". yolo-venv/bin/activate && pip install --no-cache-dir numpy==1.26.4",
+                ". yolo-venv/bin/activate && pip install --no-cache-dir torch==2.4.0 torchvision torchaudio --index-url https://download.pytorch.org/whl/cpu",
+                ". yolo-venv/bin/activate && pip install --no-cache-dir ultralytics==8.3.168 onnxruntime onnx==1.16.1 onnxslim==0.1.59 ncnn==1.0.20250503 rknn-toolkit2==2.3.2",
+                ". yolo-venv/bin/activate && yolo export model=yolo11n-seg.pt format=onnx",
+                ". yolo-venv/bin/activate && yolo export model=yolo11x-seg.pt format=onnx",
+                ". yolo-venv/bin/activate && yolo export model=yolo11n-seg.pt format=ncnn",
+                ". yolo-venv/bin/activate && yolo export model=yolo11x-seg.pt format=ncnn",
+                "rm -rf yolo-venv"
+            ],
+            "post-install": [
+                "rm *.pt",
+                "rm *.torchscript",
+                "mkdir ${FLATPAK_DEST}/share/models",
+                "mv * ${FLATPAK_DEST}/share/models"
+            ],
+            "sources": [
+                {
+                    "type": "file",
+                    "path": "models/coco.names"
+                }
+            ]
+        },
         {
             "name": "qtbooth",
             "buildsystem": "qmake",

io.github.saeugetier.photobooth.metainfo.xml

@@ -36,6 +36,11 @@
   </screenshots>
 
   <releases>
+    <release version="0.7.1" date="2025-07-22">
+      <description translate="no">
+        <p>NCNN as secondary neural network runtime for accelerated execution on Raspberry Pi. Several bugfixes for better user experience with flatpak build.</p>
+      </description>
+    </release>
     <release version="0.7.0" date="2025-05-25">
       <description translate="no">
         <p>Initial release with flatpak. New implementation of background removal filter. Port from Qt5 to Qt6.</p>

models/scripts/download_export_models.py

@@ -0,0 +1,13 @@
+from ultralytics import YOLO
+
+# Load a model
+model_n = YOLO("yolo11n-seg.pt")  # load an official model
+model_x = YOLO("yolo11x-seg.pt")  # load an official model
+
+# Export the model
+model_n.export(format="onnx")
+model_n.export(format="ncnn")
+
+model_x.export(format="onnx")
+model_x.export(format="ncnn")
+

qml/Application.qml

@@ -153,6 +153,12 @@ ApplicationWindow {
             console.log("Camera orientation changed to: " + applicationSettings.cameraOrientation)
         }
 
+        settingsMenu.comboBoxNeuralNetworkRuntime.onCurrentValueChanged:
+        {
+            applicationSettings.neuralNetworkRuntime = String(settingsMenu.comboBoxNeuralNetworkRuntime.currentValue)
+            console.log("Neural network runtime changed to: " + applicationSettings.neuralNetworkRuntime)
+        }
+
         mainMenu.printerBusy: printer ? printer.busy : false
     }
 
@@ -174,6 +180,7 @@ ApplicationWindow {
         property bool printFromGallery: true
         property bool enableSettingsPassword: true
         property int cameraOrientation: 0
+        property string neuralNetworkRuntime: "ONNX"
 
         Component.onCompleted:
         {
@@ -190,6 +197,7 @@ ApplicationWindow {
             flow.collageMenu.multiplePrints = multiplePrints
             flow.snapshotMenu.hideSnapshotSettingsPane = disableSnapshotSettingsPane
             flow.imagePreview.effectButton.visible = !disableEffectPopup
+            flow.settingsMenu.comboBoxNeuralNetworkRuntime.currentIndex = flow.settingsMenu.comboBoxNeuralNetworkRuntime.indexOfValue(neuralNetworkRuntime)
         }
 
         onPrinterNameChanged:

qml/SettingsMenuForm.ui.qml

@@ -27,6 +27,7 @@ Item {
     property alias switchEnableSettingsPassword: switchEnableSettingsPassword
     property alias versionText: labelVersionText.text
     property alias comboBoxCameraOrientation: comboBoxCameraOrientation
+    property alias comboBoxNeuralNetworkRuntime: comboBoxNeuralNetworkRuntime
 
     ColumnLayout {
         anchors.fill: parent
@@ -191,6 +192,27 @@ Item {
                                 }]
                         }
                     }
+
+                    RowLayout
+                    {
+                        spacing: 10
+                        Label
+                        {
+                            text: qsTr("Neuroal Network Runtime")
+                        }
+                        Item
+                        {
+                            Layout.fillWidth: true
+                        }
+                        ComboBox
+                        {
+                            id: comboBoxNeuralNetworkRuntime
+                            textRole: "text"
+                            valueRole: "value"
+                            model: [{text: "ONNX Runtime", value: "ONNX"}, {text: "NCNN Runtime", value: "NCNN"}]
+                            Layout.preferredWidth: 200
+                        }
+                    }
                 }
             }
 

qml/SnapshotMenu.qml

@@ -126,6 +126,7 @@ SnapshotMenuForm {
     cameraRenderer.backgroundFilter.method: snapshotSettings.backgroundFilterEnabled ? (snapshotSettings.chromaKeyEnabled ? "Chroma" : "Neural") : "None"
     cameraRenderer.backgroundFilterEnabled: snapshotSettings.backgroundFilterEnabled
     cameraRenderer.backgroundFilter.keyColor: snapshotSettings.chromaKeyColor
+    cameraRenderer.backgroundFilter.neuralNetworkRuntime: applicationSettings.neuralNetworkRuntime
     cameraRenderer.backgroundImage: snapshotSettings.backgroundImage
 
     SequentialAnimation

qtbooth.pro

@@ -21,15 +21,15 @@ SOURCES += src/collageiconmodel.cpp \
     src/noprinter.cpp \
     src/printerfactory.cpp \
     src/replacebackgroundvideofilter.cpp \
+    src/segmentation.cpp \
     src/selphyprinter.cpp \
     src/standardprinter.cpp \
     src/system.cpp \
     src/translationhelper.cpp \
-    src/yolo11seg.cpp
+    src/yolo11segncnn.cpp \
+    src/yolo11segonnx.cpp
 
-RESOURCES += qml.qrc \
-    yolomodel.large.qrc \
-    yolomodel.small.qrc
+RESOURCES += qml.qrc
 
 # Additional import path used to resolve QML modules in Qt Creator's code model
 QML_IMPORT_PATH =
@@ -52,6 +52,7 @@ DISTFILES += \
 
 INCLUDEPATH += src/ \
     libs/onnxruntime/include/ \
+    libs/ncnn/include/ \
 
 HEADERS += \
     src/abstractprinter.h \
@@ -67,11 +68,14 @@ HEADERS += \
     src/noprinter.h \
     src/printerfactory.h \
     src/replacebackgroundvideofilter.h \
+    src/segmentation.h \
     src/selphyprinter.h \
     src/standardprinter.h \
     src/system.h \
     src/translationhelper.h \
-    src/yolo11seg.h
+    src/yolo11segncnn.h \
+    src/yolo11segonnx.h \
+    src/yolobackend.h
 
 contains(ANDROID_TARGET_ARCH,x86) {
     ANDROID_PACKAGE_SOURCE_DIR = \
@@ -81,6 +85,7 @@ contains(ANDROID_TARGET_ARCH,x86) {
 DEFINES += GIT_CURRENT_SHA1="$(shell git -C \""$$_PRO_FILE_PWD_"\" describe)"
 
 LIBS += -L"$$PWD/libs/onnxruntime/lib" -lonnxruntime
+LIBS += -L"$$PWD/libs/ncnn/lib" -lncnn
 
 !isEmpty(PREFIX) {
     INSTALLS += target

src/main.cpp

@@ -111,6 +111,9 @@ int main(int argc, char *argv[])
     if (QFontDatabase::addApplicationFont(":/font/DejaVuSerif/DejaVuSerif.ttf") == -1)
         qWarning() << "Failed to load DejaVuSerif.ttf";
 
+    qDebug() << "Standard path: " << QStandardPaths::standardLocations(QStandardPaths::AppDataLocation);
+    qDebug() << "Standard path: " << QStandardPaths::standardLocations(QStandardPaths::GenericDataLocation);
+
     qmlRegisterType<CollageModelFactory>("CollageModel", 1, 0, "CollageModelFactory");
     qmlRegisterUncreatableType<CollageIconModel>("CollageModel", 1, 0, "CollageIconModel", "CollageIconModel can only be created via CollageModeFactory");
     qmlRegisterUncreatableType<CollageImageModel>("CollageModel", 1, 0, "CollageImageModel", "CollageImageModel can only be created via CollageModeFactory");