Which are the simplest approaches for dimensionality reduction in text classification?

Why should we choose deep learning to machine learning? Why is CNN better for image classification? Can I get Typical Answer?

What Characteristics makes CNN work better?

03 March 2021 1,458 4 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View

Image Processing and classification using keras/Tensorflow?

Do you have some recommendations approaches on Image processing and classification of plant diseases using TensorFlow/Keras?

02 March 2021 1,493 4 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

Can you share me how teacher education is managed in your respective national educational system?

I feel that the practice in teacher education in my country is below the expected performance level due to very poor management system. Hope I will learn something from your experiences.

02 March 2021 1,516 4 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Sheri mahender Reddy

Using latent dirichlets allocation use can reduce the dimensionality

please check it out

Sanjay Chakraborty

You may use Support vector machine for dimensionality reduction in text. It gives good accuracy. Refer the below paper

http://www.jmlr.org/papers/volume6/kim05a/kim05a.pdf

Quoc-Dinh Truong

LSI (Latent semantic indexing) or Topic modelling will be the answers to your question.

Prayag Tiwari

https://www.google.it/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwjEp_-Y-LjXAhVDfRoKHTnyALkQFggtMAA&url=http%3A%2F%2Fwww.jmlr.org%2Fpapers%2Fvolume6%2Fkim05a%2Fkim05a.pdf&usg=AOvVaw2Uk29fDnkweKt7o9vU3_CY

http://ieeexplore.ieee.org/document/4603742/

Eduardo Corrêa Gonçalves

Thanks for the answers. I have found a collection of techniques that fit my needs in the following paper: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.32.9956