Semantic_Segmentation | Semantic Segmentation using Fully Convolutional | Machine Learning library
kandi X-RAY | Semantic_Segmentation Summary
kandi X-RAY | Semantic_Segmentation Summary
This repository contains a set of python scripts to train and test semantic segmentation using a fully convolutional neural network. The semantic segmentation network is based on the paper described by Jonathan Long et al. Please note that training checkpointing will be saved to checkpoints/kitti folder and logs will be saved to graphs/kitti folder. So by using tensorboard --logdir=graphs/kitti command, you can start tensorboard to inspect the training process. Following images show sample output we obtained with the trained model.
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Semantic_Segmentation Examples and Code Snippets
Community Discussions
Trending Discussions on Semantic_Segmentation
QUESTION
Hi I am working on a project to do segmentation for persons. Now I followed the code from https://pixellib.readthedocs.io/en/latest/Image_pascal.html#image-pascal and it is giving me an error: ValueError: Resize method is not implemented. in line 4.
...ANSWER
Answered 2020-Dec-02 at 13:27Make sure to follow the initial steps prior installing the PixelLib library, since it requires the latest version of Tensorflow (Tensorflow 2.0+) as well as imgaug.
QUESTION
I want to call a python scipt sayhello.py which located at D:/semantic_segmentation/scripts in my c++ program, here is my c++ code:
...ANSWER
Answered 2020-Jul-28 at 10:14It looks like your python code assumes the current working directory of the process is the D:/semantic_segmentation/scripts
directory, which is not necessarily the case.
Here are two solutions:
- change the working directory of your c++ program with
chdir
or the windows equivalent, or - change the python code to compute an absolute path starting from the script file instead of the current working directory. See this answer.
QUESTION
I am trying to use DeepLabV3 for image segmentation and object detection/classification on Coral.
I was able to sucessfully run the semantic_segmentation.py example using DeepLabV3 on the coral, but that only shows an image with an object segmented.
I see that it assigns labels to colors - how do i associate the labels.txt file that I made based off of the label info of the model to these colors? (how do i know which color corresponds to which label).
When I try to run the engine = DetectionEngine(args.model)
using the deeplab model, I get the error
ValueError: Dectection model should have 4 output tensors!This model has 1.
I guess this way is the wrong approach?
Thanks!
...ANSWER
Answered 2020-Apr-28 at 13:10I believe you have reached out to us regarding the same query. I just wanted to paste the answer here for others to reference:
"The detection model usually have 4 output tensors to specifies the locations, classes, scores, and number and detections. You can read more about it here. In contrary, the segmentation model only have a single output tensor, so if you treat it the same way, you'll most likely segfault trying to access the wrong memory region. If you want to do all three tasks on the same image, my suggestion is to create 3 different engines and feed the image into each. The only problem with this is that each time you switch the model, there will likely be data transfer bottleneck for the model to get loaded onto the TPU. We have here an example on how you can run 2 models on a single TPU, you should be able to modify it to take 3 models."
On the last note, I just saw that you added:
how do i associate the labels.txt file that I made based off of the label info of the model to these colors
I just don't think this is something you can do for segmentation model but maybe I'm just confused on your query?
Take object detection model for example, there are 4 output tensors, the second tensor gives you an array of id associates with a certain class that you can map to a a label file. Segmentaion models only give the pixel surrounding an objects.
[EDIT] Apology, looks like I'm the one confused on segmentation models. Quote form my college :) "You are interested to know the name of the label, you can find the corresponding integer to that label from result array in Semantic_segmentation.py. Where result is classification data of each pixel.
For example;
if you print result array in the with bird.jpg as input you would find few pixel's value as 3 which is corresponding 4th label in pascal_voc_segmentation_labels.txt (as indexing starts at 0 )."
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Install Semantic_Segmentation
You can use Semantic_Segmentation like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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