Which algorithm (Sobel, Perwitt, Roberts, Canny and LOG algorithm) is more capable of finding noisy image edges?

The edge detection algorithms are designed to respond to sharp edges which can be caused by noisy pixels. In image analysis edge detection plays an important role and it is one of the traditional...

05 August 2020 2,543 1 View

What is the best way of Evaluation Performance for Multiclass Data?

For classification problems, classifier performance is typically defined according to the confusion matrix associated with the classifier. Based on the entries of the matrix, it is possible to...

19 May 2020 3,472 4 View

Best EEG dataset for sleep stage classification?

I am looking for a best dataset with signals of EEG that is used for sleep stage classification.

12 May 2020 5,935 3 View

What are the public biosignals (ECG, etc) datasets of COVID-19 patients?

I am researching QOVI-19 and need a database that contains biosignal data such as electrocardiograms. Is there any dataset?

12 May 2020 9,274 3 View

What are the techniques and standards used to measure and report contamination content in Vacuum furnaces, especially, Vacuum Arc Melting furnaces?

In Vacuum Arc Melting: Is there any standard for measuring and reporting contamination in vacuum furnaces? What are considerations for the effects of using or varying vacuum and/or sub-atmosphere...

04 November 2019 2,153 2 View

What is an appropriate interpretation for high values of Avrami exponent during the crystallization?

I am looking for a scientific explanation for the anomalous values of Avrami exponents. Regrading the literature, the typical values of Avrami exponent have to be between 1 and 4. Different Avrami...

01 November 2019 1,223 13 View

In SDS-PAGE , how possible to use freez-dry samples for loading in gel electrophoresis?

I freeze fungal mycelia of mushroom. In SDS-PAGE of total protein ,If I freeze mycelium I can used this sample? How should I prepare mycelium for electrophoresis? How should I make it for...

01 October 2018 7,971 5 View

What is the extinction coefficient of pyrogallol at 430nm for calculation of PPO(polyphenol oxidase) activity?

I performed the polyphenol oxidase activity assay from certain mycelia extracts using pyrogallol as susbtrate. I have the absorbance values but am facing the problem in determining the enzyme...

05 August 2018 172 1 View

Do you know that using patch of sentinel image (80 piece with 16000 ha area) separately in comparison with using integrated image for supervised ?

Do you know that using patch of sentinel image (80 piece with 16000 ha area) separately in comparison with using integrated image for supervised classification, causes higher accuracy or not?...

20 April 2018 7,293 1 View

What is the drug standard used in research for EGRF mutated lung cancer cell line?

09 April 2018 9,033 2 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 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

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View