LIDAR point cloud groundplane detection RANSAC Python looked for ?

HI I am looking for a good solution for LIDAR point cloud groundplane detection in RANSAC and Python. I have had not so much luck with SVD. Thanks

24 June 2019 3,190 6 View

One primer pair, one amplicon size but different genomic regions of same isolate. How can we explain to such findings?

We have been working on Banana streak virus. The PCR product which was sent for sequencing, after clonning, gives two different sequences from two different colonies. Similiarly, It was also...

25 May 2018 5,831 3 View

Details below. Can anyone shed some light on why ODs in bacterial cultures are so different?

We have looked at so many papers and are still uncertain why we have a consistent problem where the OD's of our bacterial cultures which are completely inconsistent. We are trying to express...

12 December 2017 1,581 7 View

What could be causing decreasing OD in E.coli cultures?

I've just joined a project in protein production. We have an issue when growing E.coli in exactly the same conditions, same media, same cell line, same flask type, same incubator etc, some of the...

05 December 2017 1,960 3 View

Is any one familiar with Principal Components Analysis and Cronbach's alpha?

I have wanted to explore the idea of identifying a latent variable through PCA in two questions about the timing and quantity of adherence to medication. The PCA comes out very well, including...

08 September 2014 219 17 View

Factorial analysis

Can someone explain the differences between Varimax and Quartimax rotations on SPSS? I get quite different results depending on which one I choose when validating components using PCA. I am...

04 October 2012 5,965 9 View

Anybody has experience with Paulownia wood?

I am wondering what the physical-mechanical properties of Paulowia wood look like. I find rather low values for the mechanics; the species is more often planted in Germany and reports say the wood...

01 January 1970 3,206 3 View

Which database is the most suitable for checking English bigrams frequency?

Which database is the most suitable for checking English bigrams frequency? We want to assess the frequency of different English graphemes. Most of the databases that we have checked seem to...

18 February 2021 4,565 3 View

How long can agarose embedded tissues be kept?

I am embedding PFA fixed tissues in low melting point agarose prior to sectioning and I am wondering how long can these can be kept whilst maintaining tissue integrity and fluorescent signal?...

14 February 2021 6,688 3 View

For displacement control test, what is the relation between stress intensity factor and crack length?

There are two plates with horizontal center crack, one with crack length of a with the other with a+da. The bottoms are fixed while the tops are under the same displacement load. For intuition,...

11 February 2021 9,543 2 View

How to do immunofluorescence staining of the microtome sections of paraffin-embedded tissue ?

I plan to do immunofluorescence staining of microtome sections of paraffin-embedded metastatic tumor tissue with two or more than two antibodies with different emission spectra. Should I follow...

10 February 2021 3,113 3 View

How to record RBC autoflourescence in a tissue sample?

RBCs have auto-fluorescence, I want to detect that auto-fluorescence in paraffin embedded tissue samples. Any suggestions?

08 February 2021 9,357 1 View

How to use the Embedded Region constrain on Abaqus CAE?

Hello fellow academics, For my Final Year Project, I am looking into different ways of modelling the interface between PVA and gelatin. I have successfully modeled the interface using the "tied"...

04 February 2021 8,698 1 View

Antibody dilution for IHQ in OCT frozen tissue is more similar to IHC in Paraffin-embedded samples or to Immunocytochemistry?

31 January 2021 8,678 3 View

How to do rat bone Immunofluorescence, Please suggest?

Hello, I have been trying to do a rat bone Immunofluorescence histology study. But not able to find a successful protocol till now, Any suggestions? Rat bone: Decalcifies Embedding: Cryo

26 January 2021 4,165 3 View

Any experience with alomone labs antibodies?

I am looking for APJ receptor antibody for immunofluorescence in paraffin embedded coronary arterial tissue sections. Abcam discontinued the APJ antibody which used to work for us. Alomone labs...

22 January 2021 2,000 5 View

Best loss function for special classification problem in neural networks ?

Hello, I've build a Conv1D model to classify items into 6 categories (from 0 to 5). (simplified example) I use therefore a CrossEntropy loss function that penalizes the errors with high...

19 January 2021 3,199 1 View