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Programming Assignment-3 Part-II Robot Vision

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Robot Vision CAP 4453
Programming Assignment-3
Part-II
Robot Vision
Notes
Programming language for the assignment is Python and you will use PyTorch framework for deep learning.
You can use standard python built-in IDLE, or other IDLEs such as CANOPY, PyCharm Community
Edition, PyScripter, CodeSculptor, Eric Python, Eclipse plus PyDev, etc.
Following libraries can be used when necessary:
• PIL (The Python Imaging Library), Matplotlib, NumPy, SciPy, LibSVM, OpenCV, VLFeat, pythongraph.

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Robot Vision CAP 4453
Programming Assignment-3
Part-II
Robot Vision
Notes
Programming language for the assignment is Python and you will use PyTorch framework for deep learning.
You can use standard python built-in IDLE, or other IDLEs such as CANOPY, PyCharm Community
Edition, PyScripter, CodeSculptor, Eric Python, Eclipse plus PyDev, etc.
Following libraries can be used when necessary:
• PIL (The Python Imaging Library), Matplotlib, NumPy, SciPy, LibSVM, OpenCV, VLFeat, pythongraph.

Question 2: Convolutional Neural Networks (CNN) [5 pts]
Your goal in this assignment is to train convolutional neural networks for image classification. You will use CIFAR-10
dataset, which has 60K color images (each has size 32×32 pixels) from 10 classes. You will be provided the template
code for this assignment and you have to make some changes to the network and analyze the results after these
changes. For each of these task, use learning rate of 0.1 and batch size of 100 and train them for 10 epochs each.
Your tasks:
2 pt Simple CNN: In this task, your goal is to design a convolutional neural network with 2 convolutional layers
(Conv2d) layers and 2 pooling layers, followed by 2 fully connected layers. Both Conv2d layers should have
10 filters (output channels). The second Conv2d layer’s input channels should match first Conv2d layer’s
output channels. Use a kernel size of 3 for all convolutional layers. Apply ReLU activation to each Conv2d.
Each Conv2d layer should be followed by max_pool2d layer with kernel size of 2. The output features from
convolution after flattening will be 360, so set the input features in fully connected layer accordingly (You can
use fc1_model1) for this). There are 10 classes in CIFAR-10 dataset, so this will be a 10-way classification
network. You can use model_0 from the template and modify that to fit this task.
1.5 pt Increase filters: In this task, you will increase the filters in each Conv2d layer in your network. Learn 20
kernels for the first Conv2d layer(set output channels to 20). For the second Conv2d layer learn 40 kernels
(set the output channels to 40). Match input channels for second Conv2d layer with output channels of first
Conv2d layer. Since this will change output feature size after second Conv2d layer, use fc1_model2 with 1440
input features for this task.
1.5 pt Large CNN: In this task, your goal is to increase the size of the network. Take the network from previous
task and add one more Conv2d layer with 40 filters (set both input and output channels to 40). Do not add a
max pooling layer after this third convolution layer. Use fc1_model3 with 640 input features for this task.
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(Spring) 2021 Robot Vision CAP 4453
What to submit:
• Code: The completed code for all the tasks.
• A short write-up about the results and your observations from each tasks. For each task, you should report
the training/testing accuracy for the best model. Analyze the variation in training/testing loss as you train
your network and discuss what you observe. Also, discuss the time required for training your network.
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