19 Questions 10 Answers 0 Followers
Questions related from Gunjan Naik
I have come up with a method and had written a paper on it. Paper got rejected by a journal stating that there is no theoretical novelty. I am kind of confused on why the novelty that I am able to...
01 March 2021 3,068 8 View
I am using a U-Net architecture with Xception net as encoder . The visual area of the segmentation mask is very small and after training, it is giving a lot of false positives. I am thinking of...
21 September 2020 2,386 2 View
I am training a model, where class distribution is unbalanced. So, I thought of applying augmentation technique, to improve the performance. I am wondering,is it fair to apply augmentation only on...
19 November 2019 5,529 8 View
I am working on DICOM images of chest X ray images. In this, when I load the image in DICOM viewer, the images are having good contrast ratio. And when I load the same DICOM in python using...
06 August 2019 6,911 3 View
I wanted to learn more insights about parameter estimation using expectation maximization technique. But, there are only few papers available on that. Does anybody knows about any code or library...
19 June 2018 6,987 2 View
I have developed a method using which the edges in images are get enhanced. Which evaluation metric shall I use to state that edges in image are improved or not? I am working on brain tumor images.
05 January 2018 8,684 9 View
I am working on Spectral clustering with the matrix size of 57600 by 57600. But,it fails throwing 'memory error'. It works for 8100 by 8100 matrix. Can using parallel computing approach help to...
15 February 2017 7,095 3 View
I am using large matrices in my research. The size of matrix vary from 3600 by 3600 to 57600 to 57600. The matrix are sparse in nature. But, despite using sparse matrix from scipy the computation...
16 December 2016 5,903 4 View
In Image segmentation, there is a method named 'Active Contour model' which is used to segment deformable model.In 'Active contour model', there are some techniques where the relation of a...
16 September 2016 2,314 1 View
I am studying 'Natural image statistics'. In that, I have applied ICA on 8 by 8 extracted patches from Image. The 'W' or 'separating matrix' is used for finding basis. But,according to definition...
13 June 2016 6,973 3 View
I wanted to use custom wavelet and use it for further processing. In Matlab,they have that provision for creating your own wavelet. I haven't got any help on Python based package. Edit: I wanted...
16 March 2016 1,501 5 View
Strong edges are considered to be high frequency content. But, weak edges come under low frequency content and got removed while performing edge detection. How can I make weak edges stronger? I...
22 January 2016 9,823 4 View
Edges are high frequency component, but weak edges are treated as low frequency component. How do I use Curvelet transform to do edge detection without taking help of any edge detector like Canny...
07 January 2016 228 2 View
I wanted to use active shape model to find wall thickness of heart walls. For that, I wanted the training data of ultrasound images with HCM. Please provide me any links if you have any idea.
11 September 2015 8,503 3 View
I have images of vertebrae which are acquired using a C-arm machine. The images are captured in X-Y and Y-Z plane. I have to merge them to create a file which has combined projections of both...
31 July 2015 2,498 1 View
I am currently working on Bio-medical image segmentation. I am having doubt that, can we find the type of tumor 'Benign' or 'Malignant' using its growth model i.e. by measuring increase in volume...
25 May 2015 9,056 6 View
I am writing a code for Kernel Sparse classifier for Image classification? I have written code for Sparse classifier and used PCA for dimensionality reduction. But,I wanted to use kernel trick...
31 January 2015 5,524 1 View
I wanted to do Sparse based classification for Images. For that, I wanted to solve a basis pursuit problem. I wanted to do it using C++,as I don't have Matlab. Please suggest a library for this on...
21 January 2015 8,870 3 View
Hi I work in medical image processing for OCT scan. In OCT scan, we A-scan and B scan. A scan is image of eyeball and B scan is basically image of retina layers. The A and B scan are orthogonal to...
01 January 1970 4,572 0 View
