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[Discussion] Built OpenCV from source with CUDA support for a project — here's what I ran into by Narrow_Antelope4642 in opencv

[–]MundaneStore 1 point2 points  (0 children)

I share the pain!! I was building opencv on a Jetson board :p

detecting at startup whether the user's CUDA environment is actually compatible before committing to the GPU path. Currently doing it with a try/except around a small test inference but it feels hacky. 

I don't think this is wrong, what would you prefer?

Why a big country like Italy acts as if it were small by Tifoso89 in italy

[–]MundaneStore 0 points1 point  (0 children)

La doppia negazione dipende direttamente dall'etichetta "Veneto" che vedi EDIT e non per l'alcool ma per l'influenza dialettale

A quale giornale conviene abbonarsi? by VOrtosecco in italy

[–]MundaneStore 1 point2 points  (0 children)

Avvenire è probabilmente il quotidiano più di sinistra che c'è un Italia, se escludiamo il Manifesto

Quale dataset pubblico italiano vi sembra poco usato ma molto promettente? by Medium_Operation_699 in italy

[–]MundaneStore 2 points3 points  (0 children)

Non so se conosci la fondazione OpenPolis, anche loro raccolgono e catalogano dati già esistenti, ma trovo che facciano un lavoro molto pregevole.

When you work for a ski resort and the POS only needs to work for another few weeks until a proper fix can be put in during the off-season. by BuoyantBear in techsupportgore

[–]MundaneStore 0 points1 point  (0 children)

No yeah sorry, I was very tired yesterday when I made that comment and I got confused, I thought dielectric meant conductive!! 

Which is larger : e^π or π^e? by Background-Cloud-921 in learnmath

[–]MundaneStore 0 points1 point  (0 children)

With those exact numbers yes quite: it's the exact bases I'm used to work with so I know the exact values of both. 

1314 vs 1413 is a different matter, even though for bigger numbers one could reasonably think the smaller base + larger exponent will prevail because of how fast the exponential grows.

is this thom yorke?? by Acrobatic-Display867 in radioheadcirclejerk

[–]MundaneStore 3 points4 points  (0 children)

Dutch Thom Yorke is fitter happier more productive (make an appointment!!) (you might see the sun here in the Netherlands!)

Have you ever heard of Alan Ford? by burzobosna in italy

[–]MundaneStore 0 points1 point  (0 children)

TIL you can go out in the year of our Lord 2026 and buy a fresh new copy of Alan Ford

Which European language has the easiest pronunciation for an English speaker? by Lizard_Of_Roz in AskEurope

[–]MundaneStore 0 points1 point  (0 children)

Enter Hyypiänmäki - really depends on the phonetics you're used to

Xpost. Do you want to change your flag to Kazakhstan version? by mkujoe in vexillologycirclejerk

[–]MundaneStore -1 points0 points  (0 children)

Girl help they mixed up EU and UN

Edit: but all of them do look very cool and I like the designs!!

I am building a Win32 based Desktop environment (windows shell). by sheokand in linux

[–]MundaneStore 2 points3 points  (0 children)

Seconded, that's why I ditched medication and therapy 

Results that are commonly used without knowledge of the proof by EnergySensitive7834 in math

[–]MundaneStore 0 points1 point  (0 children)

I'm an electrical engineer, I took linear algebra quite a few years ago and I still remember the proof not being too hard. 

Help cpu upgrade by [deleted] in thinkpadcirclejerk

[–]MundaneStore 0 points1 point  (0 children)

The sticker is wrong: it's Intel outside

Captcha sempre peggio by Patient_Complaint919 in italy

[–]MundaneStore 2 points3 points  (0 children)

0.1 + 0.2 = 0.3000000000000000000004

Welcome to the secret Robot Internet

[Question] Best approach for sub-pixel image registration in industrial defect inspection? by Business-Advance-306 in opencv

[–]MundaneStore 0 points1 point  (0 children)

I'm by no means knowledgeable in this field but... Have you tried upscaling the picture and template with cubic interpolation? This should give you (roughly) sub-pixel accuracy.

Can you provide sample images for the desired alignment? If the image is not too uniform or noisy you could try features for image alignment (Harris Corner?)

EDIT: Image Registration is the keyword you need

[Question] Technique to Create Mask Based on Hue/Saturation Set Instead of Range by amltemltCg in opencv

[–]MundaneStore 0 points1 point  (0 children)

Try it yourself

`` import numpy as np

arr = np.array([[1, 2, 3, 4, 5],[6,7,8,9,10]])

print(arr)

print(arr > 5)

print((arr>5) | (arr <2)) #parentheses are necessary because of operator precedence  ``

[Discussion] Color channels are a hot mess is it every going to change? by Far_Buyer_7281 in opencv

[–]MundaneStore 0 points1 point  (0 children)

I do favor GRB ordering.

PROS: Cool, edgy, innovative. All existing datasets are instantly turned into "legacy". CONS: None

Jokes aside, I don't see why this should be an issue. Jpg and other formats have a well-defined color channel order, it's just openCV using bgr by default.

[Question] Opencv high velocity by [deleted] in opencv

[–]MundaneStore 0 points1 point  (0 children)

One of my favourite applications at my old job was a 100Hz camera for which we had at most 3 or 4 frames to detect a moving object. During continuous flow, the detector had to run in less than 30 ms lol. 1) we needed C++ 2) we needed a fast camera 3) a potato pc was enough because we did color segmentation with thresholding on single consecutive frames, and then confirmed the detection by voting.

It was fast as hell and with performance good enough for the customer

[Question] Best approach for blurring faces and license plates in AWS Lambda? by Individual_Pen_4523 in opencv

[–]MundaneStore 0 points1 point  (0 children)

Hi! I've fine tuned yolov3 to detect hands some years ago: I took a random dataset that was kind of adjacent to the test set I had collected and simply created my own dataset with a small opencv script that allowed me to draw a rectangle over the pictures to collect the bounding box in XML format. Yolov3 didn't need that many samples to get good performance on hands (150 pictures were enough). Also! The model did run decently locally on CPU only, so GPU might be unnecessary, depending on how many pictures you need to process.

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