# \#tensorflow **URL:** https://forums.openmv.io/tag/tensorflow/1.md [Latest](https://forums.openmv.io/latest.md) · [Categories](https://forums.openmv.io/categories.md) · [Tags](https://forums.openmv.io/tags.md) --- ## [OpenMV Firmware v4.5.6 and up TensorFlow Porting Guide](https://forums.openmv.io/t/openmv-firmware-v4-5-6-and-up-tensorflow-porting-guide/9863)
**Author:** [@kwagyeman](https://forums.openmv.io/u/kwagyeman)\ **Replies:** 30\ **Last updated:** [May 7, 2026, 5:38pm UTC](https://forums.openmv.io/t/openmv-firmware-v4-5-6-and-up-tensorflow-porting-guide/9863 "2026-05-07T17:38:21Z")
Hi all, In our latest firmware, 4.5.6, we’ve completely updated how our TensorFlow API works. This is a breaking change. But, the functionality increase is worth it. Here are the details: The “tf” module is now gone (a… --- ## [YOLO on AE3 80 Objects](https://forums.openmv.io/t/yolo-on-ae3-80-objects/11551)
**Author:** [@RichardW](https://forums.openmv.io/u/RichardW)\ **Replies:** 49\ **Last updated:** [August 8, 2026, 12:07pm UTC](https://forums.openmv.io/t/yolo-on-ae3-80-objects/11551 "2026-08-08T12:07:08Z")
I’ve received my AE3 now and successfully run most of the example files - including the Yolo8 person object example. Congrats on your successful Kickstarter campaign. I want to run a series of progressive experiments: 1)… --- ## [Burning .tflite model into firmware](https://forums.openmv.io/t/burning-tflite-model-into-firmware/11630)
**Author:** [@prithulc](https://forums.openmv.io/u/prithulc)\ **Replies:** 5\ **Last updated:** [May 1, 2026, 1:17am UTC](https://forums.openmv.io/t/burning-tflite-model-into-firmware/11630 "2026-05-01T01:17:02Z")
Hi, I wanted to freeze the image classification model for my application into a custom firmware for Portenta Vision Shield. Looking into where all the other models are, I placed it in /openmv/lib/models. Additionally, (… --- ## [Model compatibility for OpenMV Cam RT1062: .tflite formats and quantization (int8 vs float32)](https://forums.openmv.io/t/model-compatibility-for-openmv-cam-rt1062-tflite-formats-and-quantization-int8-vs-float32/11463)
**Author:** [@joaop](https://forums.openmv.io/u/joaop)\ **Replies:** 1\ **Last updated:** [January 2, 2026, 8:55pm UTC](https://forums.openmv.io/t/model-compatibility-for-openmv-cam-rt1062-tflite-formats-and-quantization-int8-vs-float32/11463 "2026-01-02T20:55:27Z")
Hi everyone, I am working with the OpenMV Cam RT1062 and I have a few questions regarding the deployment of neural networks on this specific hardware: Does the RT1062 support only .tflite models, or is there support … --- ## [Question about using the N6 with Camera Extension Cable and external sensor](https://forums.openmv.io/t/question-about-using-the-n6-with-camera-extension-cable-and-external-sensor/11383)
**Author:** [@daniele90](https://forums.openmv.io/u/daniele90)\ **Replies:** 1\ **Last updated:** [October 9, 2025, 12:07am UTC](https://forums.openmv.io/t/question-about-using-the-n6-with-camera-extension-cable-and-external-sensor/11383 "2025-10-09T00:07:21Z")
Hi, I’m interested in purchasing the OpenMV Cam N6 and the Camera Extension Cable. Before placing the order, I’d like to confirm that it’s possible to disconnect the camera from the main board and connect it through th… --- ## [Success stories batch ml predict?](https://forums.openmv.io/t/success-stories-batch-ml-predict/11328)
**Author:** [@Joe100A](https://forums.openmv.io/u/Joe100A)\ **Replies:** 4\ **Last updated:** [August 15, 2025, 10:53pm UTC](https://forums.openmv.io/t/success-stories-batch-ml-predict/11328 "2025-08-15T22:53:24Z")
Did anyone manage to train a tflite model that can make predictions on batches of images successfully on Openmv H7plus 4.7 release?Wanting to see if I can get a performance increase on a small model of mine by predictin… --- ## [Nicla Vision For Gaze Estimation](https://forums.openmv.io/t/nicla-vision-for-gaze-estimation/11319)
**Author:** [@Hassan-H23](https://forums.openmv.io/u/Hassan-H23)\ **Replies:** 5\ **Last updated:** [August 8, 2025, 11:57pm UTC](https://forums.openmv.io/t/nicla-vision-for-gaze-estimation/11319 "2025-08-08T23:57:15Z")
My team and I are working on a software/hardware solution for cursor control. We want to take the place the user is looking at the screen and move the mouse to that position. We are using the Nicla Vision to do so. As of… --- ## [Person\_detection.tflite model specifications and its confidence at range](https://forums.openmv.io/t/person-detection-tflite-model-specifications-and-its-confidence-at-range/11299)
**Author:** [@anand](https://forums.openmv.io/u/anand)\ **Replies:** 11\ **Last updated:** [August 5, 2025, 5:12pm UTC](https://forums.openmv.io/t/person-detection-tflite-model-specifications-and-its-confidence-at-range/11299 "2025-08-05T17:12:12Z")
I need information on the person\_detection.tflite model specifications present in openmv. My use case is different and need some range detection till 10 meters, The confidence I am getting through this model is not good … --- ## [OpenMV RT1062 RAM](https://forums.openmv.io/t/openmv-rt1062-ram/11301)
**Author:** [@joaop](https://forums.openmv.io/u/joaop)\ **Replies:** 1\ **Last updated:** [August 2, 2025, 11:25pm UTC](https://forums.openmv.io/t/openmv-rt1062-ram/11301 "2025-08-02T23:25:05Z")
Given that the OpenMV RT1062 supports CNN models up to around 400KB, is there any supported method or workaround to increase its model capacity for running larger neural networks? --- ## [Project Help: How can I implement a facial recognition system on my RT1062?](https://forums.openmv.io/t/project-help-how-can-i-implement-a-facial-recognition-system-on-my-rt1062/11294)
**Author:** [@anirudh](https://forums.openmv.io/u/anirudh)\ **Replies:** 1\ **Last updated:** [July 31, 2025, 6:38am UTC](https://forums.openmv.io/t/project-help-how-can-i-implement-a-facial-recognition-system-on-my-rt1062/11294 "2025-07-31T06:38:25Z")
I have performed face detection with both CNN and cascades but I want to go further into Facial Recognition system with complete onboard computation. I have worked on similar systems with OpenCV but I doubt the same can … --- ## [Converting OpenCV haarcascades into OpenMV Cascades](https://forums.openmv.io/t/converting-opencv-haarcascades-into-openmv-cascades/11286)
**Author:** [@anirudh](https://forums.openmv.io/u/anirudh)\ **Replies:** 1\ **Last updated:** [July 29, 2025, 4:38am UTC](https://forums.openmv.io/t/converting-opencv-haarcascades-into-openmv-cascades/11286 "2025-07-29T04:38:49Z")
How can I go about converting the OpenCV Cascades to OpenMV cascades. I have found a github link on the forums but the link seems to be broken. Is there any other way to do this? --- ## [使用ide一键下载到openmv自带的U盘中后，过一会自动消失了，且无法调用运行](https://forums.openmv.io/t/ide-openmv-u/11253)
**Author:** [@wrm](https://forums.openmv.io/u/wrm)\ **Replies:** 1\ **Last updated:** [July 17, 2025, 7:19pm UTC](https://forums.openmv.io/t/ide-openmv-u/11253 "2025-07-17T19:19:09Z")
使用ide一键下载到openmv自带的U盘中后，过一会自动消失了，且无法调用运行，openmv H7 plus --- ## [Not able to deploy a pre-trained model on Nicla Vision using OpenMV IDE](https://forums.openmv.io/t/not-able-to-deploy-a-pre-trained-model-on-nicla-vision-using-openmv-ide/11091)
**Author:** [@aatman11](https://forums.openmv.io/u/aatman11)\ **Replies:** 6\ **Last updated:** [June 6, 2025, 3:39pm UTC](https://forums.openmv.io/t/not-able-to-deploy-a-pre-trained-model-on-nicla-vision-using-openmv-ide/11091 "2025-06-06T15:39:07Z")
I have a small code that identifies the color of the object as red, green, or blue and then prints the same color accordingly, with the LED turning to the same color as well. This is a simple real-time color tracking pro… --- ## [Failed to allocate tensors. RT1062 ](https://forums.openmv.io/t/failed-to-allocate-tensors-rt1062/10987)
**Author:** [@ai-ri](https://forums.openmv.io/u/ai-ri)\ **Replies:** 8\ **Last updated:** [May 9, 2025, 5:35am UTC](https://forums.openmv.io/t/failed-to-allocate-tensors-rt1062/10987 "2025-05-09T05:35:46Z")
Hello. I have been training my own model and converted it to tflite, when I want to deploy it in my openMV IDE: try: model = ml.Model(“model.tflite”, load\_to\_fb=True) except Exception as e: raise Exception('Failed to… --- ## [Openmv RT1062 - Character Recognition](https://forums.openmv.io/t/openmv-rt1062-character-recognition/10898)
**Author:** [@udhai](https://forums.openmv.io/u/udhai)\ **Replies:** 1\ **Last updated:** [April 19, 2025, 8:06am UTC](https://forums.openmv.io/t/openmv-rt1062-character-recognition/10898 "2025-04-19T08:06:51Z")
Hi all, We’re working with the OpenMV RT1062 camera and want to run a TFLite model on it to recognize A–Z letters and 0–9 digits (total 36 classes). We’re just starting out and were wondering: Are there any pretraine… --- ## [Nicla Vision ML Model Firmware Issues](https://forums.openmv.io/t/nicla-vision-ml-model-firmware-issues/10776)
**Author:** [@WatersHL](https://forums.openmv.io/u/WatersHL)\ **Replies:** 4\ **Last updated:** [April 2, 2025, 7:30am UTC](https://forums.openmv.io/t/nicla-vision-ml-model-firmware-issues/10776 "2025-04-02T07:30:26Z")
Hello, I’ve been trying for quite some time to run machine learning models capable of detecting bird songs in the arduino nicla vision board as part of my masters degree. However, I’ve been faced with many challenges. … --- ## [ValueError: Failed to Allocate Tensors](https://forums.openmv.io/t/valueerror-failed-to-allocate-tensors/10789)
**Author:** [@Nadia](https://forums.openmv.io/u/Nadia)\ **Replies:** 1\ **Last updated:** [March 29, 2025, 6:50pm UTC](https://forums.openmv.io/t/valueerror-failed-to-allocate-tensors/10789 "2025-03-29T18:50:40Z")
Hi! I have been working on an image classification model to deploy to my openmv h7 board and am consistently receiving this error. I initially posted on the edge impulse forum as seen here: ValueError: Failed to Allocate… --- ## [Trying to upload a trained tflite model](https://forums.openmv.io/t/trying-to-upload-a-trained-tflite-model/10746)
**Author:** [@nevertheless3](https://forums.openmv.io/u/nevertheless3)\ **Replies:** 4\ **Last updated:** [March 19, 2025, 6:24pm UTC](https://forums.openmv.io/t/trying-to-upload-a-trained-tflite-model/10746 "2025-03-19T18:24:24Z")
I’m trying to upload a tenserflow model which I trained using Google Colab in openmv H7 plus , though I’m facing this error ‘MemoryError: memory allocation failed, allocating 477184 bytes’ . I also tried using a 8 GB sd … --- ## [OpenMV H7 RAM usage trained Model](https://forums.openmv.io/t/openmv-h7-ram-usage-trained-model/10736)
**Author:** [@joaop](https://forums.openmv.io/u/joaop)\ **Replies:** 2\ **Last updated:** [March 17, 2025, 7:07pm UTC](https://forums.openmv.io/t/openmv-h7-ram-usage-trained-model/10736 "2025-03-17T19:07:08Z")
I am using a CNN model created on Edge Impulse on an OpenMV H7. It says that the peak RAM usage of the model is 77.8KB and flash is 619.1KB, but I am using a 32GB microSD card. Even though there is enough RAM to run the … --- ## [Running 200kb model on OpenMV H7](https://forums.openmv.io/t/running-200kb-model-on-openmv-h7/10714)
**Author:** [@Codrin](https://forums.openmv.io/u/Codrin)\ **Replies:** 5\ **Last updated:** [March 14, 2025, 5:07am UTC](https://forums.openmv.io/t/running-200kb-model-on-openmv-h7/10714 "2025-03-14T05:07:30Z")
I managed to compile the firmware with a 200kb tflite face detection model but I can’t get it to load in memory since the buffer is too small. tflm\_backend: Failed to resize buffer. Requested: 344064, available 239116, … --- ## [Error loading embedded model](https://forums.openmv.io/t/error-loading-embedded-model/10507)
**Author:** [@cdroom](https://forums.openmv.io/u/cdroom)\ **Replies:** 8\ **Last updated:** [March 13, 2025, 4:04am UTC](https://forums.openmv.io/t/error-loading-embedded-model/10507 "2025-03-13T04:04:58Z")
Hello, I saved/added my own model into the OpenMV firmware using this guide It suggests using the tf.load\_builtin\_model() function to load the model. I have been using the following code (embedded in boot.py): try: … --- ## [OpenMV H7 with MicroSD Card](https://forums.openmv.io/t/openmv-h7-with-microsd-card/10688)
**Author:** [@joaop](https://forums.openmv.io/u/joaop)\ **Replies:** 5\ **Last updated:** [March 12, 2025, 9:10pm UTC](https://forums.openmv.io/t/openmv-h7-with-microsd-card/10688 "2025-03-12T21:10:25Z")
I was using a 16gb MicroSD card to load i model for image classifcation : but, i try one code to search the MicroSD card to see the files : import os print(os.listdir("/sd")) # Lista os arquivos dentro do microSD B… --- ## [Problem with imput type machine learning edge impulse](https://forums.openmv.io/t/problem-with-imput-type-machine-learning-edge-impulse/10499)
**Author:** [@MarioDeluxe](https://forums.openmv.io/u/MarioDeluxe)\ **Replies:** 13\ **Last updated:** [January 25, 2025, 12:56am UTC](https://forums.openmv.io/t/problem-with-imput-type-machine-learning-edge-impulse/10499 "2025-01-25T00:56:44Z")
hi, my program recognizes the letters h, s, u, with machine learning, done with edge impulse, with data sets with dimensions of 96x96 in grayscale, I use an openmv h7 plus, he tells me that the data I provide him is not … --- ## [AttributeError: 'module' object has no attribute 'Model'](https://forums.openmv.io/t/attributeerror-module-object-has-no-attribute-model/10217)
**Author:** [@johseffer](https://forums.openmv.io/u/johseffer)\ **Replies:** 3\ **Last updated:** [November 18, 2024, 7:29pm UTC](https://forums.openmv.io/t/attributeerror-module-object-has-no-attribute-model/10217 "2024-11-18T19:29:43Z")
I recently get my openmv h7 plus and i’m trying to run the example tf\_image\_classification, but i’m getting the following error: AttributeError: ‘module’ object has no attribute ‘Model’ The models has already in the de… --- ## [Create and train a custom model as per requirement](https://forums.openmv.io/t/create-and-train-a-custom-model-as-per-requirement/10169)
**Author:** [@Rachana](https://forums.openmv.io/u/Rachana)\ **Replies:** 1\ **Last updated:** [November 7, 2024, 5:30pm UTC](https://forums.openmv.io/t/create-and-train-a-custom-model-as-per-requirement/10169 "2024-11-07T17:30:37Z")
Hey! I’d want to know a way to train a tflite model with annotations for object detection. TIA. --- ## [Chars74K Archive](https://forums.openmv.io/t/chars74k-archive/10165)
**Author:** [@joaop](https://forums.openmv.io/u/joaop)\ **Replies:** 4\ **Last updated:** [November 6, 2024, 12:54am UTC](https://forums.openmv.io/t/chars74k-archive/10165 "2024-11-06T00:54:41Z")
Hello, I am using the OpenMV in a project and came across a video on YouTube that talks about the char 74k: https://www.youtube.com/watch?v=MA884nplBYc. I would like to know how I could obtain the network file, and if it… --- ## [Error encountered while a tenserflow example is made to run on openmv h7 using the openmv ide](https://forums.openmv.io/t/error-encountered-while-a-tenserflow-example-is-made-to-run-on-openmv-h7-using-the-openmv-ide/10148)
**Author:** [@Rachana](https://forums.openmv.io/u/Rachana)\ **Replies:** 1\ **Last updated:** [October 30, 2024, 5:04pm UTC](https://forums.openmv.io/t/error-encountered-while-a-tenserflow-example-is-made-to-run-on-openmv-h7-using-the-openmv-ide/10148 "2024-10-30T17:04:07Z")
Hey! I use the openmv h7 module to test the built-in tenserflow examples, one of which is tf\_image\_classification which resulted in the error of unable to find the file when it was made to run on openmv h7 using the ope… --- ## [To generate bin file without using edge impulse](https://forums.openmv.io/t/to-generate-bin-file-without-using-edge-impulse/10149)
**Author:** [@Rachana](https://forums.openmv.io/u/Rachana)\ **Replies:** 1\ **Last updated:** [October 30, 2024, 4:59pm UTC](https://forums.openmv.io/t/to-generate-bin-file-without-using-edge-impulse/10149 "2024-10-30T16:59:41Z")
Hey! I’d want to know if I can generate a binary file for a trained model that can be used for openmv h7 module without using edge impulse. Any help would be appreciated. TIA. --- ## [Arduino Nicla Vision image classification error](https://forums.openmv.io/t/arduino-nicla-vision-image-classification-error/10064)
**Author:** [@prithulc](https://forums.openmv.io/u/prithulc)\ **Replies:** 5\ **Last updated:** [October 8, 2024, 4:46pm UTC](https://forums.openmv.io/t/arduino-nicla-vision-image-classification-error/10064 "2024-10-08T16:46:32Z")
Hi, I am using a Nicla Vision to perform binary image classification but experiencing the following error: Exception: Failed to load "trained.tflite", did you copy the .tflite and labels.txt file onto the mass-storage d… --- ## [Run a tfmodel on a RT102 cam](https://forums.openmv.io/t/run-a-tfmodel-on-a-rt102-cam/9992)
**Author:** [@AlfonsoAIT](https://forums.openmv.io/u/AlfonsoAIT)\ **Replies:** 1\ **Last updated:** [September 5, 2024, 6:25pm UTC](https://forums.openmv.io/t/run-a-tfmodel-on-a-rt102-cam/9992 "2024-09-05T18:25:46Z")
Hello, I’m trying to run a .tflite model on a RT1062 cam. When I run model = tf.load(…) I get the error: “AttributeError: ‘module’ object has no attribute ‘load’” Is it due to a new implementation of the tf library? … [Next page](https://forums.openmv.io/tag/tensorflow/1.md?match_all_tags=true&page=1&tags%5B%5D=tensorflow)