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My aim is to identify car logos using HOG descriptors. I am following tutorial linked https://gurus… Read more Opencv(4.0.0) Assertion Failed In Function 'contourarea'

I'm successfully calculating the mask of an image using U2NET as seen below: However, as can b… Read more Remove Unwanted Parts Of Mask Image

I have 10 greyscale brain MRI scans from BrainWeb. They are stored as a 4d numpy array, brains, wit… Read more Binarize Image Data

I'm using opencv's har cascade face detector (cv.HaarDetectObjects) in python. for example:… Read more Classifiers Confidence In Opencv Face Detector

I'm trying to detect the center of black/white dot targets, like in this picture. I've trie… Read more Opencv Dot Target Detection Not Finding All Targets, And Found Circles Are Offset

I am trying to detect all the squared shaped dice images so that i can crop them individually and u… Read more Square Detection In Image

Do you know of an algorithm that can see that there is handwriting on an image? I am not interested… Read more Python: Find Amount Of Handwriting In Video

I need code for counting the number of cells in the image and only the cells that are in pink color… Read more Count Number Of Cells In The Image

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?

I am trying to detect red color from the video that's being taken from my webcam. The following… Read more How To Detect Red Color In Opencv Python?

I have this image of a statue. I'm trying to find the top, bottom, left, and right most points… Read more Find Extreme Outer Points In Image With Python Opencv

I am training my dataset with the below code: for file in glob.glob('C:\*.png'): image … Read more Do I Need To Calculate Hist At Prediction Time In Svm?

I am working on a OCR task to extract information from multiple ID proof documents. One challenge i… Read more Detect Image Orientation Angle Based On Text Direction

I'm programming a Java application that detects simple geometric shapes. The following Python c… Read more Detecting Simple Geometric Shapes Using Opencv [java]

Brief info about the data-set:- Its a person Re-ID problem(whether 2 images are same or not) and i… Read more Implement Custom Cost Function In Keras Which Requires Output Of Whole Batch-size

Best way to group overlapping rectangles? I've tried using OpenCV but the grouprectangles metho… Read more Efficiently Group Overlapping Rectangles

I have a label matrix of 256*256 for example. And the classes are 0-11 so 12 classes. I want to con… Read more How To Convert A Label Matrix To Colour Matrix For Image Segmentation?

I have a photo of a hole. I am currently assuming that the hole is not a perfect circle, and hence … Read more How To Find Different Centers Of Various Arcs In A Almost Circular Hole Using Opencv?

I have two images: one with colored text and transparent background and another with a random backg… Read more Check Visibility (contrast?) Between Text Image With Transparency On Top Of Background Image

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