Programming Question

Assignment due Friday, March 6, 2026 by 11:59pm

Interactive Computer Vision Tool with GUI

Submission: PDF documentation (Primary resource) + .py script + demo video link

Objective

Design and implement a standalone desktop computer vision tool using OpenCV and Tkinter. The tool must provide a graphical user interface (GUI) that allows users to open a local image or access the webcam, apply image processing and vision operations,** adjust parameters interactively**, and save the output. The emphasis is on correct implementation, usability, parameter control, and clear documentation.

Functional Requirements (What your tool must do)

A. Input & I/O

Open Local Image

i) File Open (Tkinter menu), ii) Supported formats: JPG, PNG, BMP (at least)

Access Live Webcam

i) File Access Live Webcam, ii) Display live feed in the main window, iii) Take Snapshot button to freeze a frame and switch to static-image mode

Save Output

i) File Save As, ii) Save the currently displayed image (processed result)

B. GUI & Interaction

Implement** at least** the following GUI features:

• Menu bar (File / Tools)
• Buttons (e.g., Apply, Snapshot)
• Trackbars / sliders for real-time parameter control
• Text box for numeric input (with validation)
• Clean exit and proper resource release (camera, windows)

C. Image Processing & Vision Operations (Choose 10 total, with constraints)

You must implement at least 10 operations overall, satisfying the minimum coverage below. You may implement more for bonus credit.

1. Foundations & Color (Choose 2)

• RGB channel access and manipulation
• Grayscale conversion
• Brightness / contrast adjustment
• HSV (Hue/Saturation/Intensity) adjustment
• Color blindness simulation (matrix-based)

2. Image Statistics (Implement all)

• Histogram computation and display
• Histogram equalization

3. Point & Local Operators (Choose 2)

• Contrast stretching
• Median filter (kernel size via text box)
• Gaussian smoothing (kernel size + )
• Sharpening (Laplacian or custom kernels)

4. Edge Detection (Choose 2)

-** Sobel** (kernel size + threshold defined as a ratio of mean)

• Canny (control t1, t2, aperture size)
• Laplacian of Gaussian (LoG) (, kernel size, threshold)

5. Segmentation (Choose 2)

• Global thresholding
• Adaptive thresholding (block size, method, etc.)
• Contour detection
• OR one advanced method:
  • Mean Shift (sp, sr, pyramid levels)
  • Superpixels (SLIC: n_segments, compactness)

Implementation Rules:

##** i) Python only, **

##** ii) OpenCV + Tkinter only (no PyQt, no web frameworks)**

##** iii) Must run locally (not Colab), your tool will be tested by the instructor via calling your script from terminal **

• AI tools may be used, but **you must understand and explain your code in the technical interview **
• Code must be well-structured (functions/classes, not one giant script)

Your tool should handle edge cases (such as no image loaded, invalid parameters). These should not cause a crash; instead, the user should be informed (for example: Please load an image before running the function) ) and when necessary parameter values should be set to default (when they are set outside of acceptable ranges (e.g. kernel size = -1))

Deliverables:

IMPORTANT: In your submission, you should upload the PDF as primary resource and a zip file containing both the PDF and the script as a secondary resource.

1.** PDF Documentation (36 pages): Primary resource to upload**

Your PDF must include:

• **Overview of the Tool **
  • A short description of the main features of the tool
• **List of Implemented Functionalities **
  • One subsection per operation
• **Parameters Table **
  • For each operation:
    • Parameter name
    • Type (slider/textbox/menu)
    • Valid range
    • Effect on output
• **GUI Screenshots **
  • Annotated where appropriate

2. Python Script (****.py**): To pack together with the PDF file and upload as a secondary resource **

Your script must:

• Launch the GUI
• Support image and webcam modes
• Provide interactive controls for selected operations
• Save outputs correctly
• Be readable and commented

**File name example: **cv_gui_assignment1_.py

3. Video Demonstration (24 minutes): To include in the first page of the PDF

Include** link** (Google Drive) in your PDF (at the beginning of the) document showing the following user operations:

• Opening an image
• Using **at least 4 different operations **
• Adjusting parameters live
• Accessing webcam and taking a snapshot
• Saving the output

Bonus (Optional)

• Side-by-side original vs processed view
• Preset buttons (e.g., Low Noise, Strong Edges)
• Keyboard shortcuts

Academic Integrity

This is an individual assignment. You may discuss ideas, but code and documentation must be your own. Any AI-assisted code must be understood and defensible during evaluation.

If this description overwhelmed you, consider doing the following list of first (sample implementation for task11 is available ).

Assignment Information