CS 181: Computer Vision (Fall 2026)
Instructor: Alimoor Reza
Associate Professor of Computer Science
Department of Mathematics and Computer Science
Drake University

Meeting time: Tue/Thur (3:30 pm - 4:45 pm), Class room: Collier-Scripps # 301
Office hours: Tue/Thur (12:00pm-2:30pm) or by appointment


Schedule
A tentative schedule below (subject to change as we progress).


Date Topic Reading Items due
week 1 (Mon: 08/24)

  Introduction to Computer Vision
  Lecture Slides 1
 

  Course logistics
  Introduction to computer vision

 
week 1 (Wed: 08/26)

  Image Filtering: cross-correlation
  Lecture Slides 2
  In-class activity #1 (image filtering cross-correlation)
 

  Pillow concepts
  Pillow tutorial
  Image.open(path)
  Image.save(path)
  Image.new('L', (width, height), color=0)
  Image.getpixel( (x,y) )
  Image.putpixel( (x,y), value)
  ImageDraw( img )
 
 
week 2 (Mon: 08/31)

  Image Filtering: convolution
  Lecture Slides 3
 
  Notebook#1 (released on 08/31)
 
 

 
week 2 (Wed: 09/02)

  Image-based Recognition
  Image Classification and Neural Networks (NN)
  Types of NN: Multilayer Perceptron (MLP)
  Lecture Slides 4
  Day04 Notes: PyTorch MLP
 
  PyTorch Basics (review this before attempting activity#2)
  PyTorch: nn.Linear()
  PyTorch: nn.Sigmoid()
  PyTorch: nn.Tanh()
  PyTorch: nn.ReLU()
 
week 3 (Mon: 09/07)

  Labor Day (university holiday; classes do not meet)

    Notebook#1 (due on 09/07)
week 3 (Wed: 09/09)

  Image-based Recognition
  Image Classification and Neural Networks (NN)
  Types of NN: Convolution Neural Network (CNN)
  Lecture Slides 5
  Day06 Notes: PyTorch CNN
 
  Notebook #2 (released on 09/09)
 

  PyTorch: nn.Conv2d()
  PyTorch: nn.MaxPool2d()
  PyTorch: nn.AvgPool2d()
 

 
week 4 (Mon: 09/14)

  PyTorch Implementation
  In-class activity #3 (PyTorch CNN)

 
week 4 (Wed: 09/16)

  Popular Image Classification Networks (AlexNet, VGG, ResNet)
  Dissecting Popular Pre-trained CNN models
  Lecture Slides 8
  AlexNet dissection
  VGG-16 dissection
  ResNet dissection


 
  Notebook#2 (due on 09/16)
Week 5 (Mon: 09/21)

  Fine-tuning a Pre-trained CNN model
  Lecture Slides 9
  Fine-tuning CNNs

  Notebook#3 (Fine-tuning popular CNNs)


 
week 5 (Wed: 09/23)

  Vision Transformer (ViT)
  Other ViT variants (Swin Transformer Tiny)
  ConvNext, Inflated-ConvNext Tiny
  Lecture Slides 10
  Vision Transformer (ViT) Dissection
 
  The Hardware Lottery - Sara Hooker
  Transformer (designed to win the hardware lottery)
  Vision Transformer (ViT): Transformers for image recognition at scale
 
 
week 6 (Mon: 09/28)

  Object Detection: Classical and Deep Learing-Based
  Lecture Slides 11a: Classical Detectors
  Lecture Slides 11b: Deep learning-based Detectors (Faster R-CNN, Mask R-CNN)
 

 
  Notebook#3 (due on 10/02)
 
week 6 (Wed: 09/30)
 
  Inference with Popular Object Detectors (Faster R-CNN, Mask R-CNN)
  Lecture Slides 12
  Inference with Object Detector with Faster R-CNN

  Quiz#1 (released on Blackboard 09/30)  



week 7 (Mon: 10/05)

  Lecture Slides 13
  Fine-tuning Popular Object Detectors (Faster R-CNN, Mask R-CNN)
  Fine-tuning Object Detector: Detectron/Faster R-CNN
 
  Notebook#4 (Fine-tuning Detectors: Faster & Mask R-CNN)
 


 
week 7 (Wed: 10/07)
 

  Image Segmentation
  Classical Segmentation (Felzenswalb, SLIC, clustering)
  Lecture Slides 13 part1
  Lecture Slides 13 part2
  Classical Image Segmentation Codes


 
 
 
  Quiz#2 (due on 10/07)
week 8 (Mon: 10/12)

  Fall Break (classes do not meet)

 
 
week 8 (Wed: 10/14)

  Vision Foundation Model for Image Segmentation: Segment Anything (SAM)
  Lecture Slides 14 [pptx]
  Inference with SAM: Automatically generating object masks with Segment Anything (SAM)


  Notebook#4 (due on 10/14)
week 9 (Mon: 10/19)

  Semantic Segmentaiton
  Popular Semantic Segmentation Models (U-Net, FCN, SegNet, PSPNet)
  Lecture Slides 15
 
  Notebook #5 (Semantic Segmentation Inference and Training with UNet)



 
week 9 (Wed: 10/21)

  Probability Basics
  Discrete Probability Distribution
  Lecture Slides 16 part1
  Discrte probability distribution code
  Continous Probability Distribution
  Gaussian Distributions
  Lecture Slides 16 part2
  In-class activity#5: Continous probability distribution


 
week 10 (Mon: 10/26)

  Image Generation and Deep Generative Models: Generative Adversarial Network (GAN)
  Lecture Slides 17

  AI Art
 
week 10 (Wed: 10/28)

  Maximum Likelihood (ML) Estimate
  Lecture Slides 18 part1
  In-class activity#6: Maximum likelihood estimate for Gaussian distribution

  Image Generation and Deep Generative Models: Variational Auto Encoder (VAE)
  Lecture Slides 18 part2

  Quiz#2 (released on 10/28)


  Tutorial on variational autoencoder by Carl Doersch
  Generating Counterfactual Images: C2C-VAE - CBREIS'22
  Generative model: implicit reparameterization
  Wasserstein Distance
 
Week 11 (Mon: 11/02)

  Image Generation and Deep Generative Models: Variational Auto Encoder (VAE)
  Lecture Slides 18 part2 (continued)
  In-class activity#7: VAE code for digit image generation using MNIST dataset

 
 
  Notebook#5 (due on 11/02)
Week 11 (Wed: 11/04)

  Image Generation and Deep Generative Models: Diffusion Model
  Lecture Slidees 19
  In-class activity#8: Generating images from text prompt using Stable Diffusion Model
 
 
  Diffusion models are evolutionary algorithms - arxiv'24

 
  Quiz#2 (due on 11/04)
Week 12 (Mon: 11/09)

  Image Transformation
  Linear transformation
  Lecture Slidees 20
  In-class activity#8: Rotation, Scaling, Shearing transformation

 
 
Week 12 (Wed: 11/11)


 
 
Week 13 (Mon: 11/16)

  Homogenous coordinates
  Affine and projective transformation
  Lecture Slides 21 part1
 


  Camera Projection
  Modeling projection
  Activity: projection practice
  Generalizing the model
  Adding a lens
  Lecture Slides 21 part2
 

  From Images to 3D Models-ACM Communication'2002

 
Week 13 (Wed: 11/18)

  Classical 3D Reconstruction (Part#1)
  Monocular Depth Estimation: 3D Reconstruction from Single Images
  Stereo Matching: 3D Reconstruction from Two Images
  Multiview Stereo: 3D Reconstruction from Multiple Images
  Lecture Slides

 
 
  Final Project Presentation on 12/11
Week 14 (Mon: 11/23)

  Deep Learning-based 3D Reconstruction (Part#2)
  Monocular Depth Estimation Demo
  Stereo Matching Demo
  Multiview Stereo Demo
  Lecture Slides
 
 
 
week 14 (Wed: 11/25)

  Thanksgiving Break (classes do not meet)

 
 
Week 15 (Mon: 11/30)

  Large Multimodal Model (LMM)
  LMM Application using PyTorch
  Lecture Slides 27
 
 


  Reading:
  Dissociating language and thought in large language models-2024
  Is OpenAI-o1 reasoning? (ML Street Talk'24)
  World Model (Jurgen Schmidhuber@NeurIPS'18)
  LoRA: Low-Rank Adaptation of Large Language Models (ICLR'22)




Week 15 (Wed: 12/02)

  Final project group presentation

  Location: Collier-Scripps#335

  Quiz#3 (released on 12/02)
  Course Evaluation



Week 16 (Monday: 12/07)

  No final exam!
 
 
  Reading:
 
  Q3 (due on 12/07)
  Final Project Code +
  Presentation Slides (due by 12/11)