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computer science - C volatile variables and Cache Memory

Cache is controlled by cache hardware transparently to processor, so if we use volatile variables in C program, ... Thank you, Microkernel :) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer science - What are the differences between NP, NP-Complete and NP-Hard?

What are the differences between NP, NP-Complete and NP-Hard? I am aware of many resources all over the web. I' ... or there is something that I'm not aware of. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer science - What is the difference between statically typed and dynamically typed languages?

I hear a lot that new programming languages are dynamically typed but what does it actually mean when we ... language is dynamically typed vs. statically typed? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer vision - Depth error due to triangulation in stereo systems

I have a question trying to understand the definition of the depth error due to triangulation from a pair ... questions/65848584/depth-error-due-to-triangulation-in-stereo-systems...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer vision - Strange semantic segmentation results with UNet in Pytorch

I was just trying to train UNet from scratch with a mammography dataset to detect tumor tissue in ... /65872009/strange-semantic-segmentation-results-with-unet-in-pytorch...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer science - I was reading the book of theory of programming languages by Diana Phelps-Terasaki and got stuck at this question which has been asked by my professor

what are the effects providing lazy evaluation in Imperative Languages? my answer was "It is a technique which is ... book-of-theory-of-programming-languages-by-diana-phelps-terasa...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer science - How to calculate PI with Python

This question already has answers here: question from:https://stackoverflow.com/questions/65903325/how-to-calculate-pi-with-python...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer vision - Rotation and translation matrices of moving camera

I need design a model to recognize pedestrain actions from a moving platform (car etc.). How can I ... .com/questions/65927348/rotation-and-translation-matrices-of-moving-camera...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer vision - Homography matrix decomposition- conversion from right hand to left hand coordinate system

How do I convert the decomposition of a homography matrix made in a right-hand coordinate system (i.e. x ... -matrix-decomposition-conversion-from-right-hand-to-left-hand-coordin...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer vision - Object Detection Python3: ValueError: not enough values to unpack (expected 2, got 0)

Using SSD for Object Detection but faced with a error Code: # Importing the libraries import torch from torch. ... -python3-valueerror-not-enough-values-to-unpack-expected-2-g...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer vision - Android mlkit barcode scanner improve speed

Hello I'm using android mlkit barcode scanner without firebase with androidx ,I follow this code https:// ... .com/questions/65652175/android-mlkit-barcode-scanner-improve-speed...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer science - What is the difference between heuristics and metaheuristics?

After some research about algorithms I found two terms which confuses me. I've read at least 20 ... questions/10445700/what-is-the-difference-between-heuristics-and-metaheuristics...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer science - What is the difference between heuristics and metaheuristics?

After some research about algorithms I found two terms which confuses me. I've read at least 20 ... questions/10445700/what-is-the-difference-between-heuristics-and-metaheuristics...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer science - C volatile variables and Cache Memory

Cache is controlled by cache hardware transparently to processor, so if we use volatile variables in C program, ... .com/questions/7872175/c-volatile-variables-and-cache-memory...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer vision - Extracting HoG Features using OpenCV

I am trying to extract features using OpenCV's HoG API, however I can't seem to find the API ... https://stackoverflow.com/questions/11626140/extracting-hog-features-using-opencv...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer vision - What is a feature descriptor in image processing (algorithm or description)?

I get often confused with the meaning of the term descriptor in the context of image features. Is a ... -is-a-feature-descriptor-in-image-processing-algorithm-or-description...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer vision - What is a feature descriptor in image processing (algorithm or description)?

I get often confused with the meaning of the term descriptor in the context of image features. Is a ... -is-a-feature-descriptor-in-image-processing-algorithm-or-description...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.6k views

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computer vision - ValueError: Target size (torch.Size([10, 1])) must be the same as input size (torch.Size([10, 2]))

A binary classification problem with Batch Size = 10. Trying to use torch.nn.BCEWithLogitsLoss(). ~Anaconda3envs otebooklibsite- ... -size10-1-must-be-the-same-as-input-size-to...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer vision - ValueError: Target size (torch.Size([10, 1])) must be the same as input size (torch.Size([10, 2]))

A binary classification problem with Batch Size = 10. Trying to use torch.nn.BCEWithLogitsLoss(). ~Anaconda3envs otebooklibsite- ... -size10-1-must-be-the-same-as-input-size-to...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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computer vision - Order of QR Decoding Using pyzbar in Python

I've been working on a program that opens an image and prints the decoded information of one or more QR codes. The ... matter which way I rotate it, it always returns QR2 then QR1...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.0k views

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computer vision - Incorrect camera pose when using findEssentialMat in OpenCV

I am solving the problem of camera pose estimation using findEssentialMat in OpenCV. Concretely given a set ... ? Do I correctly use methods undistortPoints and findEssentialMat?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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971 views

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computer science - Standard approximation scheme of delay equations?

I would like to program an approximation method for delay differential equations, somewhat of a niche topic but ... How can I accurately approximate solutions to delay equations?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer science - Memory Access using 32 bit address in a word-addressable system

I'm just checking to make sure I have a proper understanding of how memory access works. Say I have a word-addressable memory ... ) = 16 Mb. Is this the proper way of doing this?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

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computer vision - Access to ImageNet data download

I've already been granted by the ImageNet website http://www.image-net.org/download-images to download the image data. ... broken on their website. But its a dataset much smaller....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.7k views

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computer vision - Access to ImageNet data download

I've already been granted by the ImageNet website http://www.image-net.org/download-images to download the image data. ... broken on their website. But its a dataset much smaller....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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4.4k views

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computer vision - Rbind numpy arrays in for cycle

I am trying to create an A matrix of reshaped images in shape of a vector. Each Row of A matrix shall be one image as a vector ... () R = img.reshape(-1) A = np.concatenate(A, R)...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.3k views

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computer science - How to list more than 1 output on prolog query?

Imagine my siblings, my cousins and me and our total count is 10. So i write this code and when i run it, it just give me ... (Z,Y),parent(Y,X). ?- granduncle(john,X). X=stan...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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