Which algorithms makes use of least squares in object Recognition? Is least squares use in calculating PCA and SVD in machine learning?

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What percentage could each selected training set be for a 5 fold cross validation especially in face recognition experiment?

16 April 2021 337 1 View

What clear proof does show we have to choose eigen vector(s) associated with highest eigen value(s) for PCA dimension reduction?

06 June 2020 4,162 2 View

Can Matrices be used to represents nonlinear transformations? If so, how?

Linear transformations can be represented as Matrix vector products and Matrix vector products can be expressed as linear transformations. So is a projection which can be represented as a matrix...

10 May 2020 1,186 0 View

In Computer Sci., to understand Theories is one thing, to implement theories is another thing? Why are some theories somewhat difficult to implement?

In Computer Sci., to understand Theories is one thing, to implement the theory is another thing? Why are some theories somewhat difficult to implement? For example determinant, inverse and...

27 April 2020 8,190 0 View

How would one read the files with extension .bnt, .lm2, .lm3 of Bosphorus 3D facedatasets in matlab?

20 March 2020 5,981 2 View

Will a Minolta Vivid 910 3D Scanner and a Minolta Vivid 900 3D range scanner create the same form of 3D face data?

Will a Minolta Vivid 910 3D Scanner and a Minolta Vivid 900 3D range scanner create the same 3D face data? If not so, what would be the different between the nature of data they produce? Can the...

19 March 2020 3,030 4 View

Where to get a free standard 3D face dataset?

Where to get a free standard 3D face dataset that is available for download for research purpose?

03 March 2020 5,562 3 View

Which subspace solutions (Null Space, Column Space, Row Space, Left Null Space) could be a plane or a line in feature space?

Which subspace solutions (Null Space, Column Space, Row Space, Left Null Space) could be a plane or a line in feature space and Why? When could their possible Orthogonal Compliments be a plane or...

07 February 2020 9,849 0 View

Is it possible to have a matrix that have pivot columns in every row, in rref and are linearly dependent?

Is it possible to have a matrix that have pivot columns in every row, in Reduced Row-Echelon Form and is linearly dependent?

02 February 2020 5,651 2 View

Is it good practice to be formulating eigen values that are fractions rather than whole numbers to form basis?

24 January 2020 1,170 1 View

Feedback defines the constitution of an organism?

“Here is a thought experiment. Let's place Rodolpho Llinas's jarred-brain on top of a body (Fig. 1). I bet Llinas would argue that his jarred-brain retains its own consciousness, and the android...

11 August 2024 2,483 1 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

Self-Organizing Superorganisms—as envisaged by Nenad Sestan (2018)?

The rate of glucose consumption by the neocortex is reduced by over 80% during anesthesia (Sibson et al. 1998), which disables the synapses (Richards 2002) that are inundated by glial tissue (Engl...

08 August 2024 3,118 0 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View