Farhad Bulbul

22 Questions 23 Answers 0 Followers

Questions related from Farhad Bulbul

How to make binary coded images beyond using the LBP operator?

Hi All, I wanna convert an image its binary coded form which is typically done by LBP operator. But I need to use algorithms different than LBP. Could anyone kindly can suggest algorithms to...

02 February 2020 7,258 3 View

How to customize font size of accuracies/elements of a confusion matrix in MATLAB?

Hi, In my confusion matrix, I'm using one of the following two lines to change the font size of all the elements of a confusion matrix. But the following code changes font size includig title,...

08 August 2019 5,016 3 View

How to fix the following error in LightNet CNN model?

Hi Everybody, I have the following error while I run the CNN model in LightNet. Please help me to fix it. Undefined function or variable 'PADDING_MODE'. Error in conv_layer_2d (line 57) if...

09 September 2018 1,086 0 View

How to buy a cheap computer for deep learning?

Hi All, I've herein attached a configuration of a PC for deep learning. Please see this one and ask me whether this configuration is perfect or not regarding the deep learning phenomena.

03 March 2018 8,647 6 View

How does the probability density function represent an image?

I don't understand the image representation through the probability density function. Could someone clarify me?

11 November 2015 8,355 0 View

Can I say that I have used here Contourlet transform while using [0] as decomposition level?

Hi, I have a question to you about Contourlet transform. Contourlet transform use wavelet decomposition while we put [0] as decomposition level. If I use [0] decomposition in my experiment then...

01 January 2015 2,481 2 View

What is detail information in an image?

Hi, What is the meaning to capture detail information in an image? What is image detail? Please ask me with an example.

12 December 2014 5,246 5 View

What is depth information in depth images?

Hi, What is depth information in depth images? What is the difference between depth image and ordinary image?

12 December 2014 6,726 3 View

Why does the small size wavelet subband perform better than large size in my experiment?

Hi, I am using wavelet as feature descriptor. When I use small size subband like 16x16 then getting better result than using 32x32 sizes subband. When I take large size then I am losing edge...

12 December 2014 3,616 5 View

Does the number of cells depend on the Image size in HOG?

Hi, I have a 16 by 16 image. Can I take 9 cells to compute HOG? How would the cell size be here? Is every cell different in size? Please clarify.

12 December 2014 7,417 1 View

How can I apply LDA for feature extraction?

Hi, I am applying LDA for my two class problem. I have 4096 features and after LDA only 1 feature as it's two class problem. Then, in my detection task I am getting average precision zero. So,...

11 November 2014 1,147 9 View

Can someone explain Block-Circulant Decomposition code?

Hi, I have training samples 4611x4096. Where number of samples = 4611 and number of features = 4096. Now, I want to apply Block circulant decomposition methods to improve my detection results. But...

11 November 2014 6,042 1 View

How can I apply both feature selection and feature extraction method?

Hi, I want to use feature selection and feature extraction method both before classification. Do I apply feature selection first and then feature extraction or reverse? Please let me help.

11 November 2014 7,504 12 View

Does contourlet captures edges of an image?

I know that Contourlet captures a smooth contour of an image. Does it mean that capturing smooth contour also captures all edges of that image? I mean capturing contour is equal to capturing edge?

11 November 2014 6,167 1 View

What is image Local and Global feature?

Hi, I don't know about image Local and Global features. Is HOG and Wavelet both are Image Local features? Please clarify me both terms with example. Thanks in advance.

11 November 2014 3,942 6 View

What is the difference between edge and contour?

Hi, I don't understand the definition and difference between edge and contour in an image. Could someone kindly help me to understand it?

11 November 2014 4,673 7 View

What is the difference between depth and RGB-depth images?

Hi, What is the difference between depth and RGB-depth images? What is meaning of depth information in depth images? How to get depth and RGB depth image using camera? Please give some materials...

11 November 2014 9,191 4 View

How do you extract contourlet features for RGB images?

Hi, I want to extract contourlet features for RGB images. But I don't know how to do it. Could someone please help me?

11 November 2014 4,354 1 View

Does the feature extraction method preserve all relevant features like feature selection?

Hi, I know the feature selection method keeps most relevant features and reduces redundancy. My question, does the feature extraction method like PCA do the same?

11 November 2014 3,141 11 View

How to do Hard negative mining?

Hi, I am doing object detection. To improve my detection result I want to do Hard negative mining to minimize false detection. But I don't know that how to do it? Can someone explain it with...

11 November 2014 6,760 2 View

What is the image texture feature?

Hi, I don't understand image texture feature. I need examples to understand it. How is wavelet/contourlet captured by image texture feature? Please clarify with example.

11 November 2014 9,694 6 View

What is the Weight vector parameter in Support Vector Machine in machine learning?

Hi, Could someone inform me about the weight vector in SVM?

11 November 2014 7,074 5 View