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Showing posts with the label Image Processing

Pausing And Restarting A Video In Python

I have several video and I want to go through them frame by frame, and annotate some of them by pre… Read more Pausing And Restarting A Video In Python

Normalizing Images In Opencv

I wrote the following code to normalize an image using NORM_L1 in OpenCV. But the output image was … Read more Normalizing Images In Opencv

Python: Detecting Textblock And Deleting It From Image (opencv)

I'm currently trying to figure out how to detect a text paragraph on an image in order to remov… Read more Python: Detecting Textblock And Deleting It From Image (opencv)

Finding Blank Regions In Image

This question is somewhat language-agnostic, but my tool of choice happens to be a numpy array. Wha… Read more Finding Blank Regions In Image

How To Use .predict_generator() On New Images - Keras

I've used ImageDataGenerator and flow_from_directory for training and validation. These are my … Read more How To Use .predict_generator() On New Images - Keras

Identify Text Data In Image To Read Mm/dd, Description And Amount Using Opencv Python

import re import cv2 import pytesseract from pytesseract import Output from PIL imp… Read more Identify Text Data In Image To Read Mm/dd, Description And Amount Using Opencv Python

Scipy.ndimage.interpolation.zoom Uses Nearest-neighbor-like Algorithm For Scaling-down

While testing scipy's zoom function, I found that the results of scailng-down an array are simi… Read more Scipy.ndimage.interpolation.zoom Uses Nearest-neighbor-like Algorithm For Scaling-down

How To Detect Whether Two Boxes Are Connected With Each Other Or Not?

I am trying to detect box information, that is connected with others or not. And, if they're co… Read more How To Detect Whether Two Boxes Are Connected With Each Other Or Not?

Image Processing: How To Imwarp With Simple Mask On Destination?

Following my own question from 4 years ago, this time in Python only- I am looking for a way to per… Read more Image Processing: How To Imwarp With Simple Mask On Destination?

How To Distinguish Filled Circle/contour And Unfilled Circle/contour In Opencv?

I am unable to differentiate the below two contours. cv2.contourArea is giving the same value for b… Read more How To Distinguish Filled Circle/contour And Unfilled Circle/contour In Opencv?

Opencv : Add/merge/combine 'only Part' Of Image A To Image B

I have checked out some already answered questions regarding adding(combining/merging) two images w… Read more Opencv : Add/merge/combine 'only Part' Of Image A To Image B

Python Equivalent To Matlab Funciton 'imfill' For Grayscale?

Is there an implementation using OpenCV or scikit-image that is equivalent to Matlab's grayscal… Read more Python Equivalent To Matlab Funciton 'imfill' For Grayscale?

Remove Vignette Filter Of Colored Image

I am new to Python OpenCV image processing. I want to remove the border/outline shadow of images as… Read more Remove Vignette Filter Of Colored Image

Using Python To Decode Steganography Images (example Images At Wikipedia)

At Wikipedia's Steganography Article there is an example image given with hidden image data. O… Read more Using Python To Decode Steganography Images (example Images At Wikipedia)

Opencv, How To Pass Parameters Into Cv2.trackermedianflow_create Function?

I'm trying to create MEDIANFLOW tracker with OpenCV3.3 using opencv-python with Python3.6. I ne… Read more Opencv, How To Pass Parameters Into Cv2.trackermedianflow_create Function?

I Am Trying To Manipulate The Pixel Values Without Clipping Them

I have an image which has a max pixel value - 287.4976094062538 and min pixel value - -41.082841881… Read more I Am Trying To Manipulate The Pixel Values Without Clipping Them

Color Gets Dull: Opencv Cv2.imread Cv2.imwrite

I am using opencv module to read and write the image. here is the code and below is the image i am … Read more Color Gets Dull: Opencv Cv2.imread Cv2.imwrite

Where Is The Error? "systemerror: New Style Getargs Format But Argument Is Not A Tuple"

I am doing an image processing Lane Detection project. Im getting this error within my code. Im hop… Read more Where Is The Error? "systemerror: New Style Getargs Format But Argument Is Not A Tuple"

How To Display 16-bit 4096 Intensity Image In Python Opencv?

I have images encoded in grayscale 16-bit tiff format. They use a variant of 16-bit color depth whe… Read more How To Display 16-bit 4096 Intensity Image In Python Opencv?

Extracting Patches Of A Certain Size From The Image In Python Efficiently

I have an image and I want to extract square patches of different sizes from it. I need dense patc… Read more Extracting Patches Of A Certain Size From The Image In Python Efficiently