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Updated UVCDObjectDetectionLoop.ino #272

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Oct 11, 2024
Merged

Updated UVCDObjectDetectionLoop.ino #272

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18 changes: 15 additions & 3 deletions ...ware/libraries/NeuralNetwork/examples/UVCDObjectDetectionLoop/UVCDObjectDetectionLoop.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,7 @@ StreamIO videoStreamer(1, 1); // 1 Input Video -> 1 Output USB_CAM
StreamIO videoStreamerNN(1, 1);
VideoSetting stream_config(USB_UVCD_STREAM_PRESET);
VideoSetting configNN(NNWIDTH, NNHEIGHT, 10, VIDEO_RGB, 0);

VideoSetting config(VIDEO_FHD, 30, VIDEO_H264, 0);
void setup()
{
Serial.begin(115200);
Expand Down Expand Up @@ -93,11 +93,13 @@ void setup()

// Start usb uvcd for NN
usb_uvcd.nnbegin(camera_uvcd.getStream(STREAM_CHANNEL), videoStreamer.linker, STREAM_CHANNEL, CHANNELNN, camera_uvcd.videostream_status(STREAM_CHANNEL));

OSD.configVideo(STREAM_CHANNEL, config);
OSD.begin();
}

void loop()
{
delay(5000);
if (!usb_uvcd.isUsbUvcConnected(camera_uvcd.videostream_status(STREAM_CHANNEL))) {
Serial.println("USB UVC device disconnected");
// Handle disconnection processes
Expand All @@ -115,7 +117,7 @@ void loop()
uint16_t im_w = stream_config.width();

printf("Total number of objects detected = %d\r\n", ObjDet.getResultCount());

OSD.createBitmap(STREAM_CHANNEL);
if (ObjDet.getResultCount() > 0) {
for (int i = 0; i < ObjDet.getResultCount(); i++) {
int obj_type = results[i].type();
Expand All @@ -130,10 +132,20 @@ void loop()
int ymax = (int)(item.yMax() * im_h);
// Draw boundary box
printf("Item %d %s:\t%d %d %d %d\n\r", i, itemList[obj_type].objectName, xmin, xmax, ymin, ymax);
OSD.drawRect(STREAM_CHANNEL, xmin, ymin, xmax, ymax, 3, OSD_COLOR_WHITE);

// Print identification text
char text_str[20];
snprintf(text_str, sizeof(text_str), "%s %d", itemList[obj_type].objectName, item.score());
OSD.drawText(STREAM_CHANNEL, xmin, ymin - OSD.getTextHeight(STREAM_CHANNEL), text_str, OSD_COLOR_CYAN);
}
}
}
}
OSD.update(STREAM_CHANNEL);

// delay to wait for new results
delay(100);
}

void disconnectNN()
Expand Down