benyaminzojaji / image_processing

image-processing exercises.

image_processing

Assignment 21

Checkered Board

• Create a chess table using numpy and opencv.
• view:

  

Color Correction

• Reverse black and white colors with opencv.
• views:

  

Rotate Image

• Rotate an image with for loop in opencv(without cv2.rotate)
• view:

  

Color Separation

• Separate object of black-whte image using opencv and threshold method.
• view:

  

Corner Line

• Create a black line in top left corner.(without opencv built-in methods)
• view:

  

Gradient

• Create an image with whito-black gradient using open-cv and numpy.
• view:

  

Letter B

• Design letter B using numpy and open-cv.
• view:

  

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Assignment 22

Find secret by subtract

• find secret with subtracking 2 images.
• view:

  

Black hole noise reduction

• noise reduction and stick images to create a complete black hole photo.
• view:

  

Find difference

• flip an image find difference between another image.
• view:

  

Hide cars highway

• add images to make highway looks empty!
• view:

  

Merge pics

• Merging images in 4 stages.
• view:

  

Image to sketch

• sketch Mona-Lisa.
• view:

  

Add noise

• Add some image noises to Chess image.
• view:

  

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Assignment 23

Face recognition

• Real-time camera that can put stickers on face.
• written in Python using opencv and numpy (and win10toast library for notifications).
• features:
  • put sticker on face.
  • put stickers on lips and eyes.
  • censored face.
  • flip horizontal effect.
• face recognition camera using haarcascade-frontal-face algorithm.
• smile recognition camera using haarcascade-smile algorithm.
• recognition camera using haarcascade-eye algorithm.
• emoji:

  

• lips and eyes:

  

• censored face:

  

• flip horizontal effect:

  

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Assignment 24

Lips and Eyes filter

• make target's lips and eyes bigger than real.

• written in python using opencv, numpy, tensorflow.

  output

  zoom_effect.mp4

Lips and Eyes filter + scaling Mouth

• Now can scale with your mouth aspect ratio.

• save video frames as *mp4.

  output

  eyes_filter_and_scaling_mouth.MP4

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Assignment 25

Blur Background

• simply blur background of a flower manually using convolution technique.
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Convolution

• edge finding by convolution technique.
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Edge Convolution

• horizontal and vertical edge detector by convolution technique.
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Convolution Filters

• try some Convolution with different kernel size.
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3 Shades Of Gray

• Diagnosis black-white-gray color on gray frame.

  IMG_6408.MP4

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Assignment 26

A-23 + Face Blur

• Face recognition from assignment 23 + face blur option.

  output (click to show)

  IMG_6422.MP4

A-25 + High Contrast

• Make target high contrast for better color detection(black - white - gray).

  output (click to show)

  IMG_6417.MP4

Increase Contrast Methods

• 3 ways for contrast adjustment.

Sudoku Filled Square Detection

• Find filled squares in sudoku.
  • 1- Find sudoku in image.
  • 2- Adjust contrast.
  • 3- Walk through squares and find digits!
  • 4- Save each square as an image.

Mnist Numbers

• Split 5000 numbers one by one and save them in separate folders.

Snowfall Effect

• Create a snow effect by opencv and make a gif out of it with imageio library.

  output (click to show)

  snowgif.MP4

Make S&P Noise and Noise Reduction + Face Align with Eyes

• Make Salt and Peper Noise and reduce noises by getting median with specific kernel size.

• Face align with eyes by taking the angle of rotation of the face with MTCNN.

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Assignment 27

Find Contours Function

• Implementating cv2.findContours(image, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_NONE) function from scratch.
• I have implemented it in two mode.
  • Original image:

    

  • Thresholded image:

    

  • RETR_EXTERNAL:

    

  • RETR_LIST:

    

Dice Recognition

• 6-sided Dice Recognition using opencv methodes(canny, threshold, close morphology, HoughCircles and etc).

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Assignment 28

Sudoku Detector

• Detect sudoku and transform to flat image using imutils.perspective

usage: sudoku_detector.py [-h] [--input INPUT] [--output OUTPUT] [--kernel_size KERNEL_SIZE] [--color COLOR]

Live Sudoku Detector

• Real-time Sudoku detector

usage: live_sudoku_detector.py [-h] [--input INPUT] [--output OUTPUT] [--kernel_size KERNEL_SIZE] [--color COLOR]

Time Warp Scan

• Time warp scan filter in Tik Tok written in python using opencv and numpy library.

  output (click to show)

  IMG_6811.MP4

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Assignment 29

Color Picker

• Simple RGB color picker written in python using pyside6.

Microsoft Logo

• Microsoft logo design using opencv and Numpy library.

Webcam Color Detection

• Real-time webcam color detection using opencv, Numpy.
• colors: white, black, gray, red, green, blue, cyan, magenta, yellow

rubik

• fix rubik's colors.

Green Carrot!

• Make a Green Carrot!.

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Assignment 30

Blue Screen Technique

• Blue screen technique is one of the most common types of scene setting used in filmmaking. It involves placing actors and foreground objects in front of a large blue screen while filming.
• This code is written in python using opencv, numpy, matplotlib.

Skin Detection

• Skin detection is the process of finding skin-colored pixels and regions in an image or a video. This process is typically used as a preprocessing step to find regions that potentially have human faces and limbs in images.
• This program is written in python-opencv using HSV & YCbCr color space.

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Mini Project 3

Employee Management

• GUI Employee Manager written in python using sqlite, opencv, PySide6, Numpy, hashlib.
• Admin Login:
  • Secure Admin Login profile with sha-256 encoding.

• Employee List:
  • Add, Edit or Delete Employees using GUI.

• Add Employee:
  • Simply add employees with firstName LastName nationalCode and their birthday.

• Camera:
  • Instantly take a picture for employee's avatar.

• Filter:
  • 9 filter for employee's avatar.

• Edit Employee:
  • Edit employee profile with GUI.

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