# Support **URL:** https://community.ultralytics.com/c/support/5.md?page=2 [Latest](https://community.ultralytics.com/latest.md) · [Categories](https://community.ultralytics.com/categories.md) · [Tags](https://community.ultralytics.com/tags.md) **Page:** 3 --- ## [Error: resolution-too-deep, while installing “pip install ultralytics\[export\]“](https://community.ultralytics.com/t/error-resolution-too-deep-while-installing-pip-install-ultralytics-export/1740)
**Author:** [@Shamaru](https://community.ultralytics.com/u/Shamaru)\ **Replies:** 5\ **Last updated:** [January 14, 2026, 12:53pm UTC](https://community.ultralytics.com/t/error-resolution-too-deep-while-installing-pip-install-ultralytics-export/1740 "2026-01-14T12:53:12Z")
Hello, I got the below error while running the below cd ~ pip install -U pip git clone GitHub - ultralytics/ultralytics: Ultralytics YOLO 🚀 cd ultralytics pip install -e “.\[export\]” onnxslim from “Ultralytics YO… --- ## [I need help with training my own dataset.](https://community.ultralytics.com/t/i-need-help-with-training-my-own-dataset/1737)
**Author:** [@AlwaysTiro](https://community.ultralytics.com/u/AlwaysTiro)\ **Replies:** 4\ **Last updated:** [January 14, 2026, 6:05am UTC](https://community.ultralytics.com/t/i-need-help-with-training-my-own-dataset/1737 "2026-01-14T06:05:47Z")
Premise: Data collection of some YOLOv11-related detection models for highways from a drone aerial perspective. Problems: Detection of vehicles occupying emergency lanes, illegal parking, driving in the wrong direction,… --- ## [Speed up inference time for the model trained with YOLO12x](https://community.ultralytics.com/t/speed-up-inference-time-for-the-model-trained-with-yolo12x/1384)
**Author:** [@tommerfrancis](https://community.ultralytics.com/u/tommerfrancis)\ **Replies:** 32\ **Last updated:** [December 17, 2025, 9:38am UTC](https://community.ultralytics.com/t/speed-up-inference-time-for-the-model-trained-with-yolo12x/1384 "2025-12-17T09:38:12Z")
Suppose that I have a custom model trained with YOLO12x, then I have used this model to detect some kinds of objects in the videos, but the inference time for each frame in the videos is extremely slow (above 1000 ms), w… --- ## [Standard Naming Conventions for Backbone, Neck, and Head in Object Detection Architectures?](https://community.ultralytics.com/t/standard-naming-conventions-for-backbone-neck-and-head-in-object-detection-architectures/1685)
**Author:** [@ninicom](https://community.ultralytics.com/u/ninicom)\ **Replies:** 2\ **Last updated:** [December 5, 2025, 2:37am UTC](https://community.ultralytics.com/t/standard-naming-conventions-for-backbone-neck-and-head-in-object-detection-architectures/1685 "2025-12-05T02:37:33Z")
In the architecture diagram I am reproducing, I have temporarily denoted the Backbone blocks as B, the Neck components as T, and the inputs to the Head as U. I realize this notation is likely non-standard. Could you r… --- ## [Can YOLO support incremental training to add new data or classes without starting from scratch?](https://community.ultralytics.com/t/can-yolo-support-incremental-training-to-add-new-data-or-classes-without-starting-from-scratch/1684)
**Author:** [@kirti](https://community.ultralytics.com/u/kirti)\ **Replies:** 1\ **Last updated:** [December 3, 2025, 7:04am UTC](https://community.ultralytics.com/t/can-yolo-support-incremental-training-to-add-new-data-or-classes-without-starting-from-scratch/1684 "2025-12-03T07:04:03Z")
Hi, I’m working with YOLO models and want to know whether they support incremental training for new classes. Is it possible to add additional object classes to an already trained model without retraining from scratch o… --- ## [INT8 Calibration Images and Background class](https://community.ultralytics.com/t/int8-calibration-images-and-background-class/1681)
**Author:** [@Alyamman\_Al-Saad](https://community.ultralytics.com/u/Alyamman_Al-Saad)\ **Replies:** 7\ **Last updated:** [December 2, 2025, 11:51pm UTC](https://community.ultralytics.com/t/int8-calibration-images-and-background-class/1681 "2025-12-02T23:51:53Z")
Hi all! I am working on a classifier that should be able to tell the difference between a diseased and healthy plant. I am only working with 3 classes for simplicity’s sake: 0: Bacterial infection, 1: Healthy, and 2: Inv… --- ## [Yolo 11 image preprocess](https://community.ultralytics.com/t/yolo-11-image-preprocess/1683)
**Author:** [@Noa\_Fishman](https://community.ultralytics.com/u/Noa_Fishman)\ **Replies:** 1\ **Last updated:** [December 2, 2025, 3:25pm UTC](https://community.ultralytics.com/t/yolo-11-image-preprocess/1683 "2025-12-02T15:25:16Z")
Hello, After extensive reading and investigation, there are still some parts of the preprocessing pipeline in YOLO11 that I’m struggling to fully understand. I would greatly appreciate your clarification. Specifically,… --- ## [Impact of Grayscale Inference on RGB-trained YOLOv8 (QR-Like object detection): Is it better to train on Grayscale directly?](https://community.ultralytics.com/t/impact-of-grayscale-inference-on-rgb-trained-yolov8-qr-like-object-detection-is-it-better-to-train-on-grayscale-directly/1678)
**Author:** [@Riccardo\_Carraro](https://community.ultralytics.com/u/Riccardo_Carraro)\ **Replies:** 3\ **Last updated:** [December 1, 2025, 4:08pm UTC](https://community.ultralytics.com/t/impact-of-grayscale-inference-on-rgb-trained-yolov8-qr-like-object-detection-is-it-better-to-train-on-grayscale-directly/1678 "2025-12-01T16:08:55Z")
I am working on a project to detect object similar to QR codes printed on A4 paper sheets and positioned in challenging environments (excavation sites, mud, shadows). My current pipeline uses YOLOv8n. Training Data: … --- ## [Raspberry Pi 5 Crash When Running YOLOv11n NCNN](https://community.ultralytics.com/t/raspberry-pi-5-crash-when-running-yolov11n-ncnn/1525)
**Author:** [@afbowen](https://community.ultralytics.com/u/afbowen)\ **Replies:** 7\ **Last updated:** [November 25, 2025, 9:12am UTC](https://community.ultralytics.com/t/raspberry-pi-5-crash-when-running-yolov11n-ncnn/1525 "2025-11-25T09:12:59Z")
Hey all, I’m pretty new CV in general, and just started playing with YOLOv11n last week on a Raspberry Pi 5 (4GB RAM). So far, I’ve been really impressed with how quickly inference runs on this little machine, but I’m h… --- ## [Ultralytics with custom module not working in other envs](https://community.ultralytics.com/t/ultralytics-with-custom-module-not-working-in-other-envs/1657)
**Author:** [@peetey101](https://community.ultralytics.com/u/peetey101)\ **Replies:** 4\ **Last updated:** [November 25, 2025, 6:36am UTC](https://community.ultralytics.com/t/ultralytics-with-custom-module-not-working-in-other-envs/1657 "2025-11-25T06:36:35Z")
I have forked the ultralytics repo and cloned to my local env. Then I followed below steps to setup. git clone https://github.com/ultralytics/ultralytics.git cd ultralytics pip install -e . Then I have added my custom … --- ## [Yolov8 architecture modifying for multi-label classification](https://community.ultralytics.com/t/yolov8-architecture-modifying-for-multi-label-classification/1641)
**Author:** [@Sarvin](https://community.ultralytics.com/u/Sarvin)\ **Replies:** 3\ **Last updated:** [November 21, 2025, 12:30pm UTC](https://community.ultralytics.com/t/yolov8-architecture-modifying-for-multi-label-classification/1641 "2025-11-21T12:30:36Z")
Hey Ultralytics community! I’m working on a Multi-label image Classification project using the Yolov8 classification model. To the best of my knowledge, the built-in Yolov8 classifier appears to be for single-label task… --- ## [Methods to Improve YOLOv11 Model Training Performance](https://community.ultralytics.com/t/methods-to-improve-yolov11-model-training-performance/1650)
**Author:** [@Grey\_Sky7](https://community.ultralytics.com/u/Grey_Sky7)\ **Replies:** 8\ **Last updated:** [November 20, 2025, 1:27pm UTC](https://community.ultralytics.com/t/methods-to-improve-yolov11-model-training-performance/1650 "2025-11-20T13:27:59Z")
Hey everyone, I have a question I hope you can help me with. I’m working on a project related to crop disease spot detection. Using the project dataset, which contains around 1,500 images, I trained my model. The results… --- ## [Model tune for Trained model](https://community.ultralytics.com/t/model-tune-for-trained-model/1612)
**Author:** [@peetey101](https://community.ultralytics.com/u/peetey101)\ **Replies:** 9\ **Last updated:** [November 16, 2025, 10:45pm UTC](https://community.ultralytics.com/t/model-tune-for-trained-model/1612 "2025-11-16T22:45:10Z")
from ultralytics import YOLO model = YOLO("/kaggle/input/convnext-yolo-100/pytorch/default/1/vit-100e-best.pt") search\_space = { "lr0": (1e-5, 1e-1), } # Tune hyperparameters on COCO8 for 30 epochs model.tune( d… --- ## [Standard epochs and imgsz for training YOLO11/YOLOv12 on VisDrone dataset](https://community.ultralytics.com/t/standard-epochs-and-imgsz-for-training-yolo11-yolov12-on-visdrone-dataset/1614)
**Author:** [@SwarnaReddy](https://community.ultralytics.com/u/SwarnaReddy)\ **Replies:** 7\ **Last updated:** [November 10, 2025, 2:09pm UTC](https://community.ultralytics.com/t/standard-epochs-and-imgsz-for-training-yolo11-yolov12-on-visdrone-dataset/1614 "2025-11-10T14:09:51Z")
I’m training YOLO11 and YOLOv12 models on the VisDrone dataset for small object detection. I know that for COCO dataset, the standards are: Epochs: 600 imgsz: 640 What are the recommended standard values for: Epoch… --- ## [Need advice](https://community.ultralytics.com/t/need-advice/1619)
**Author:** [@Sergey\_Suslov](https://community.ultralytics.com/u/Sergey_Suslov)\ **Replies:** 10\ **Last updated:** [November 10, 2025, 7:41am UTC](https://community.ultralytics.com/t/need-advice/1619 "2025-11-10T07:41:02Z")
Hi there! I need an advice. I have a task to count the passangeers in the bus. I have a camera looking vertically down at the door place. (Pictures attached) I have my traned model with a single class. So, in my o… --- ## [How to reduce FP detections?](https://community.ultralytics.com/t/how-to-reduce-fp-detections/1629)
**Author:** [@Denis](https://community.ultralytics.com/u/Denis)\ **Replies:** 1\ **Last updated:** [November 10, 2025, 12:43am UTC](https://community.ultralytics.com/t/how-to-reduce-fp-detections/1629 "2025-11-10T00:43:44Z")
Hello. I train yolo to detect people. I get good metrics on the val subset, but on the production I came across FP detections of pillars, lanterns, elongated structures like people. How can such FP detections be fixed? --- ## [Modifying yolo architecture](https://community.ultralytics.com/t/modifying-yolo-architecture/1602)
**Author:** [@sisidipisi](https://community.ultralytics.com/u/sisidipisi)\ **Replies:** 4\ **Last updated:** [November 5, 2025, 1:04pm UTC](https://community.ultralytics.com/t/modifying-yolo-architecture/1602 "2025-11-05T13:04:14Z")
Hi everyone, I’m working on object and lane detection using YOLO, and I’ve been trying to choose a topic for my research project. We currently train two separate models for the two tasks, but I’m wondering if I could use… --- ## [Model.eval() usage in YOLO11 prediction](https://community.ultralytics.com/t/model-eval-usage-in-yolo11-prediction/1618)
**Author:** [@kiranraj](https://community.ultralytics.com/u/kiranraj)\ **Replies:** 1\ **Last updated:** [November 5, 2025, 9:49am UTC](https://community.ultralytics.com/t/model-eval-usage-in-yolo11-prediction/1618 "2025-11-05T09:49:07Z")
Hi Team, I was using my custom yolo11 model for prediction. In the exploration of improvement in the prediction pipeline, I gave this: ‘model.eval()’ to keep my model in evaluation mode. but i got an error saying that ‘… --- ## [Deploying YOLOv8 with a custom backbone in Flask without module import errors](https://community.ultralytics.com/t/deploying-yolov8-with-a-custom-backbone-in-flask-without-module-import-errors/1599)
**Author:** [@rdEliza](https://community.ultralytics.com/u/rdEliza)\ **Replies:** 5\ **Last updated:** [November 3, 2025, 1:29pm UTC](https://community.ultralytics.com/t/deploying-yolov8-with-a-custom-backbone-in-flask-without-module-import-errors/1599 "2025-11-03T13:29:26Z")
I have trained a YOLOv8 model but modified its backbone by adding a custom component (APConv). I want to deploy this model using Flask so it can receive images and return object counts. When I try to load the model with Y… --- ## [My modified model show two different summaries](https://community.ultralytics.com/t/my-modified-model-show-two-different-summaries/1590)
**Author:** [@Mary\_C](https://community.ultralytics.com/u/Mary_C)\ **Replies:** 7\ **Last updated:** [November 1, 2025, 6:16pm UTC](https://community.ultralytics.com/t/my-modified-model-show-two-different-summaries/1590 "2025-11-01T18:16:47Z")
Please I very need to understand. I’m working on a modified yolo model but I faced this thing: I have different summary when start the training and when completed it: MM summary: 465 layers, 1,186,399 parameters, 1,186,… --- ## [How to detect simple electrical symbols](https://community.ultralytics.com/t/how-to-detect-simple-electrical-symbols/1471)
**Author:** [@andy](https://community.ultralytics.com/u/andy)\ **Replies:** 11\ **Last updated:** [October 31, 2025, 2:24pm UTC](https://community.ultralytics.com/t/how-to-detect-simple-electrical-symbols/1471 "2025-10-31T14:24:29Z")
Hi all I am trying to read symbols from electrical house plans. The plans are mostly in PDF format, which I have converted to SVG. Then I cropped them to a resolution of 640x640. After that, I replaced the transparent … --- ## [Train model on new dataset](https://community.ultralytics.com/t/train-model-on-new-dataset/1589)
**Author:** [@Sergey\_Suslov](https://community.ultralytics.com/u/Sergey_Suslov)\ **Replies:** 4\ **Last updated:** [October 31, 2025, 1:12pm UTC](https://community.ultralytics.com/t/train-model-on-new-dataset/1589 "2025-10-31T13:12:21Z")
Hi, there! I have well trained model YOLO11n for passangers counting (in the bus). My model was trained on day light dataset (about 4000 pics) and works quite well. Now I need to train this model for night time detecti… --- ## [How to convert YOLO's CLS or OBB model to an OpenVINO model](https://community.ultralytics.com/t/how-to-convert-yolos-cls-or-obb-model-to-an-openvino-model/1158)
**Author:** [@MalcomYJ](https://community.ultralytics.com/u/MalcomYJ)\ **Replies:** 20\ **Last updated:** [October 24, 2025, 12:35am UTC](https://community.ultralytics.com/t/how-to-convert-yolos-cls-or-obb-model-to-an-openvino-model/1158 "2025-10-24T00:35:44Z")
from ultralytics import YOLO import os import sys model\_path = “punch\_obb.pt” Export the model model.export(format=“openvino”) I use the code to export a punch\_openvion\_model, but the result model end to error when… --- ## [Can I use SAHI Tiled Inference with YOLO11 Segmentation Model?](https://community.ultralytics.com/t/can-i-use-sahi-tiled-inference-with-yolo11-segmentation-model/1559)
**Author:** [@autkucakan](https://community.ultralytics.com/u/autkucakan)\ **Replies:** 1\ **Last updated:** [October 20, 2025, 4:03pm UTC](https://community.ultralytics.com/t/can-i-use-sahi-tiled-inference-with-yolo11-segmentation-model/1559 "2025-10-20T16:03:25Z")
I have a segmentation dataset for my project and I thought if I could use SAHI with the segmentation model because it’s looking beneficial to me but there is no source I could figure out that from. In docs I could only f… --- ## [Changing default padding](https://community.ultralytics.com/t/changing-default-padding/1552)
**Author:** [@Rodrigo\_M](https://community.ultralytics.com/u/Rodrigo_M)\ **Replies:** 5\ **Last updated:** [October 17, 2025, 11:28am UTC](https://community.ultralytics.com/t/changing-default-padding/1552 "2025-10-17T11:28:48Z")
Hi, can someone confirm if I’m correctly modifying the YOLO convolution module? I’m editing the ultralytics/nn/modules/conv.py file directly (inside the modules folder) to change how Conv blocks behave. Is that the prop… --- ## [About parsing output](https://community.ultralytics.com/t/about-parsing-output/1535)
**Author:** [@Z.Y\_W](https://community.ultralytics.com/u/Z.Y_W)\ **Replies:** 1\ **Last updated:** [October 7, 2025, 5:18am UTC](https://community.ultralytics.com/t/about-parsing-output/1535 "2025-10-07T05:18:23Z")
When analyzing the detection task of YOLO11, I have two questions regarding the tflite format (with INT8 input and output): For the INT8 output in the format of \[batch, features, bbox\], how can I determine the specifi… --- ## [Making predictions with custom model](https://community.ultralytics.com/t/making-predictions-with-custom-model/1532)
**Author:** [@John\_Baker](https://community.ultralytics.com/u/John_Baker)\ **Replies:** 3\ **Last updated:** [October 6, 2025, 3:49pm UTC](https://community.ultralytics.com/t/making-predictions-with-custom-model/1532 "2025-10-06T15:49:50Z")
Would like to check if I understood correctly about the need to load a new custom model before making predictions… Following the video tutorial here Accelerating YOLO11 Projects with Google Colab I see that, after runni… --- ## [Model.val() results get saved in /content/runs/detect/train2 folder](https://community.ultralytics.com/t/model-val-results-get-saved-in-content-runs-detect-train2-folder/1528)
**Author:** [@John\_Baker](https://community.ultralytics.com/u/John_Baker)\ **Replies:** 7\ **Last updated:** [October 6, 2025, 1:28pm UTC](https://community.ultralytics.com/t/model-val-results-get-saved-in-content-runs-detect-train2-folder/1528 "2025-10-06T13:28:16Z")
In Google Colab when I run model.val() after running model.train() the results get saved in the /content/runs/detect/train2 folder in the Colab notebook. I expected the validation results would get saved in a folder name… --- ## [Confusion matrix contains many classes not in dataset](https://community.ultralytics.com/t/confusion-matrix-contains-many-classes-not-in-dataset/1530)
**Author:** [@John\_Baker](https://community.ultralytics.com/u/John_Baker)\ **Replies:** 3\ **Last updated:** [October 5, 2025, 1:17pm UTC](https://community.ultralytics.com/t/confusion-matrix-contains-many-classes-not-in-dataset/1530 "2025-10-05T13:17:34Z")
When I run model.val() before training the model with my dataset the confusion matrix contains several classes that are not specified in the dataset’s YAML file. This issue #16695 explains why the background class is pre… --- ## [Exporting to tflite with int8 quantization for edge deployment](https://community.ultralytics.com/t/exporting-to-tflite-with-int8-quantization-for-edge-deployment/1523)
**Author:** [@GeorgeHill](https://community.ultralytics.com/u/GeorgeHill)\ **Replies:** 1\ **Last updated:** [October 2, 2025, 6:13am UTC](https://community.ultralytics.com/t/exporting-to-tflite-with-int8-quantization-for-edge-deployment/1523 "2025-10-02T06:13:15Z")
I’m trying to export a yolov11 model to tflite with int8 quantization to run on an imx. However the yolo11n\_int8.tflite file produced is still in fp32 and the yolo11n\_full\_integer\_quant.tflite is quantized to however the… [Previous page](https://community.ultralytics.com/c/support/5.md?page=1) [Next page](https://community.ultralytics.com/c/support/5.md?page=3)