How to choose the best segmentation model using the area under the precision recall curve, IOU and Dice metrics?

I am using several U-Net variants for a medical image segmentation task. I get the following values for the performance measures including Dice, IOU, Area under receiver-operating characteristic...

27 December 2020 7,273 3 View

How to perform pixel-level mappings between different views of chest x rays?

I have a frontal and lateral chest x ray projection for a given patient as shown in the attached figures. I am thinking about performing pixel-level mappings across these views. What are the steps...

26 October 2020 7,309 3 View

Synthesis of black TiO2 powder by vacuum calcination?

I have synthesized TiO2 powder through sol gel method. I tried to do calcination of this white TiO2 powder under vacuum at 500 deg C. No change in colour was observed. Is this normal? because I...

20 August 2020 5,425 4 View

Do we have better image synthesis methods other than GANs to synthesize medical images?

We have seen researchers using various types of GANs to synthesize medical data. However, it is hard to train the GANs and also the synthesized images are no good compared to the actual since...

20 July 2020 6,963 4 View

I am preparing black TiO2 by sol gel method. How to obtain very fine particles after calcination by sol gel method?

Hello everyone, I am actually carrying out my research in the synthesis of Black TiO2 by sol gel method. Took TTIP in Diethylene Glycol as precursor and later did hydrolysis leading to formation...

10 March 2019 1,559 4 View

Are the nanoparticles formed by sol gel method indeed in the nano size range?

I am trying to make black TiO2 by sol gel method. In this I am taking a titanium precursor (TTIP) solution in diethylene glycol followed by its hydrolysis and condensation to form a gel. Drying...

27 February 2019 6,172 5 View

What quantitative measures to use to explain variance across datasets?

I have observed that the performance of a machine learning model trained on a larger dataset is not as convincing as the one trained on a smaller (different) dataset. What quantitative measures I...

16 February 2019 9,398 4 View

What is Lode angle and how it helps in understanding the relation when compared in a 3D contour plot alongside Stress Triaxiality and Fracture Strain?

I came across this interesting 3D contour when trying to understand the Lode angle, Stress Triaxiality and Fracture strain. Can someone help me to see what is lode angle in this context and hoe is...

11 April 2018 4,734 1 View

How to extract features from different layers of GoogLeNet in Matlab?

Commonly we extract features using: net = googlenet() %Extract features featureLayer = 'pool5-drop_7x7_s1'; #the last layer before softmax How to extract features from a different layer earlier in...

29 November 2017 3,753 4 View

What are the factors to be considered while performing Homology modeling of a protein ? also suggest some best tools for above ?

23 September 2017 8,567 7 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 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

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View