What type of noise is present in fundus photographs?

I am curious to know what kind of noise is present in fundus images. Please give some references or links to support your answer. I will be very thankful to you.

11 December 2015 1,872 0 View

Is anyone working in Retinal Blood Vessel Segmentation?

I have started my PhD on this topic and I know the basics of it. So if anyone is also working on the same topic or something related to it please tell me some good papers or links. Also it is my...

09 October 2014 7,628 1 View

Classification of Pixels?

I want to learn how to classify pixels like whether they belong to background or foreground, etc. I know there are various methods like Supervised and Rule based. Please tell me where to start...

01 February 2014 7,332 3 View

How can I calculate the value of phi from haar scaling and wavelet function with a width of one?

Assuming we have haar scaling and wavelet function whose width is 1. Now we want to calculate the value of phi (2,3) which is equal to phi(2).phi(3). Can anyone tell me how to calculate it? From...

01 February 2014 3,626 3 View

Dictionary Learning and Sparse Coding

I want to learn about dictionary learning and sparse coding. Kindly suggest me some good links from where I can learn all these (considering myself dummy). Also suggest some authentic links from...

01 January 1970 2,728 0 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

Which SAR dataset to use for generating coherency matrix and performing target decomposition (Description) ?

Working on chandrayaan-2 DFSAR data, there are three datasets available: 1) Slant range image data product: The slant range complex image file. Each pixel is represented by two 4-byte floating...

02 March 2021 8,481 3 View

How can we obtain a modification factor for creep parameters?

I want to obtain standard creep parameters of salt rock by creep parameters of rectangular samples. Is there a modification factor to convert creep parameters of rectangular (prismatic) rock salt...

01 March 2021 7,131 1 View

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

What do I do with DLS peaks that are from the buffer?

I'm looking at the aggregation of my protein sample using DLS. Unfortunately, my buffer (20mM HEPES) also results in a set of peaks. These are at approximately 1 and 1000 d.nm. The lowest peak...

01 March 2021 9,015 2 View

Which transition metal salt precursor is best for doping? Why?

I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...

27 February 2021 4,285 3 View

What are the saturated salt solutions that can give specific relative humidity of 35%, 65% and 95% for conditioning wood specimens?

Due to the unavailability of climate rooms, I want to carry out an experiment that require the use of certain saturated salt solutions especially those that can condition the wood specimen to 35%,...

25 February 2021 8,139 1 View

It is necessary to reflux the Schiff base and metal salts to obtain metal complex??

24 February 2021 9,166 3 View

How can I remove deep eutectic solvents from the medium?

Dear researchers, How can I remove deep eutectic solvents from the medium? You know, generally, deep eutectic solvents consist of ammonium salts and an acid group. Is there any alternative method...

22 February 2021 3,275 3 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View