How to detect square region in an image using nx?

I apologise if i sound rude, i did not know english that well may be this is why i sounds rude. here same we got the error in the elixir in python we wrote like this in elixir we tried to give but in sort 2 nd parameter is doubted sir in Evision hexdoxs we tried to see the example but in new versi…

Import cv2 # Load image, convert to grayscale, and find edges image = cv2.imread('1.jpg') gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY) thresh = cv2.threshold(gray, 0, 255, cv2.THRESH_OTSU + cv2.THRESH_BINARY)[1] # Find contour and sort by contour area cnts = cv2.findContours(thresh, cv2.RETR_EXT…

I have merged questions related to evision into one topic… all related to the same e-yantra challenge. By the way, You should at least provide some of your own code to increase the chance to have an answer. Asking for a direct answer might not work.

Hi all, welcome to elixir community. Are these queries part of some course work or assignment?

In python/OpenCV the edges of a contour are calculated using contourArea, how do we do the same in Evision?. Is it possible to get the edges of box? Here is the python example: contours = sorted(contours, key=cv2.contourArea, reverse=True)[:15] location = None # Finds rectangular contour for conto…

Some helpful resources for evision… [SGEMM benchmark on M1 Max (CPU only) between Elixir (Evision, Torchx) and Python (numpy)] [Evision + ncnn + MobileNetV3 SSDLite = Object Detection in Elixir - An Early-Stage Demo] [Elixir and Computer Vision]

These queries are related to an ongoing competition organised by e-yantra.

[image] creddyravindra: In python/OpenCV the edges of a contour are calculated using contourArea, how do we do the same in Evision? You can use the same function in evision, Evision.contourArea/1. Is it possible to get the edges of box? It is possible. And it’s still the same function, Ev…

[image] I have tried various methods of finding contours of an image in elixir and i am still stuck at the same point. This is the error it shows when I tried to use findContours function in Evision Library. Can someone please help me out.

The error message already tells you your issue. The first parameter cannot be a path – you’re passing a path. You likely want OpenCV.findContours(im, … not OpenCV.findContours(image, …

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How to find contours in image using evision and nx?

Questions & Help Questions

kokolegorille October 17, 2022, 12:16pm 12

Some helpful resources for evision…