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Andrea Bailey

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When can I use the 3D convolution?

3D convolutions are used when you want to extract features in 3 dimensions or establish a relationship between 3 dimensions. Essentially, it's the same as 2D convolutions, but the kernel movement is now 3-dimensional, causing a better capture of dependencies within the 3 dimensions and a difference in output…

Artificial intelligence

Answered May 18, 2022 · 948 Views Read answer →

How is greedy best first search different from A*?

Both algorithms fall into the category of "best-first search" algorithms, which are algorithms that can use both the knowledge acquired so far while exploring the search space, denoted by g(n), and a heuristic function, denoted by h(n), which estimates the distance to the goal node, for each node n in the search space…

Artificial intelligence

Answered May 18, 2022 · 2.2K Views Read answer →

In Unet cc, what do the channels correspond to?

In this example you have a grey scale image of size 572x572 and 1 (gray) channel. The first convolution operation consists of 64 filters of size 3x3 and 1 channel per filter. The channel of the filters always fits the channel size of the previous layer (here: the Input). In the second convolution step of this explicit…

Artificial intelligence

Answered May 16, 2022 · 692 Views Read answer →

Why is Lisp AI suitable for each other?

David Nolen (contributor of Clojure and ClojureScript; creator of Core Logic a port of miniKanren) in a talk called LISP as too powerful stated that back in his days LISP was decades ahead of other programming languages. There are a number of reasons why the language wasn't able to maintain its initial reputation.…

Artificial intelligence

Answered May 16, 2022 · 852 Views Read answer →

Explain weight normalisation.

Your interpretation is quite correct regarding weight normalization. I could not understand how it would speed up the convergence though. What they are doing is basically re-assigning the magnitude of the weight vector (also called norm of the weight vector). To put things in perspective, the conventional approach to…

Artificial intelligence

Answered May 16, 2022 · 727 Views Read answer →

What is the significance of p(x|y) ?

This means "Parameterized by". First, we all agree on the idea of conditional probabilities: P(X|Y)=P(X,Y)/P(Y)That is, the probability that X happens given that we've seen Y happen, is the fraction of worlds in which Y happened that also contain X. This is uncontroversial. If you're a Bayesian, you might view…

Artificial intelligence

Answered May 16, 2022 · 1.1K Views Read answer →

Give the hiii text meaning.

These kinds of repetitions in text can place recurrence demands on learning algorithms that may or may not be handled without special encoding. Hi. Hiii! HIIIIIIIII Hi!!!!!!!!!!!!!!These have the same meaning on one level, but different emotional content and therefore different correlations to categories when…

Artificial intelligence

Answered May 16, 2022 · 2.0K Views Read answer →

What are the core computer vision algorithms?

There are many computer vision (CV) algorithms and models that are used for different purposes. So, of course, I cannot list all of them, but I can enumerate some of them based on my experience and knowledge. Of course, this answer will only give you a flavour of the type of algorithm or model that you will find while…

Artificial intelligence

Answered May 16, 2022 · 1.1K Views Read answer →

How can I calculate the gradient of hinge loss?

Gradient of hinge loss is difficult to work with when the derivative is needed because the derivative will be a piecewise function. max has one non-differentiable point in its solution, and thus the derivative has the same. This was a very prominent issue with non-separable cases of SVM (and a good reason to use ridge…

Artificial intelligence

Answered May 16, 2022 · 1.3K Views Read answer →

Why is C++ AI used more than python?

You don't need a powerful language for programming AI. Most of the developers are using libraries like Keras, Torch, Caffe, Watson, TensorFlow, etc. Those low level libraries are highly optimized and handle all the tough work. They are built with high-performance languages, like C, C++. Python is just there for high…

Artificial intelligence

Answered May 13, 2022 · 746 Views Read answer →

Explain a fully convolutional network.

Fully convolutional networks A fully convolutional network (FCN) is a neural network that only performs convolution (and subsampling or upsampling) operations. Equivalently, an FCN is a CNN without fully connected layers. Convolution neural networks The typical convolution neural network (CNN) is not fully…

Artificial intelligence

Answered May 12, 2022 · 789 Views Read answer →

Is convolution linear?

The answer to your question - Is convolution linear is that - Convolution is a pretty misused term in recent times with the advent of CNN. Short answer, Convolution is a linear operator (check here) but what you are defining in context of CNN is not convolution, it is cross-correlation which is also linear in case of…

Artificial intelligence

Answered May 12, 2022 · 781 Views Read answer →

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