Image Processing

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Questions related to Image Processing

Dataset for Inpainting?

I am working on image inpainting. I need datasets (including clean image, masks), could you please give me some links? I found just one like this...

08 August 2018 7,532 8 View

How can I send a digital signal to an actuator, after recognizing a defect of a print using python and openCV?

I have got a defects subtracted image using python and openCV. Now I want to send a digital signal to an actuator to take necessary actions when a defect is detected. How can I do that? I wish to...

01 August 2018 8,165 3 View

How to convert .ntf format data into usual uncompressed image formats, such as TIFF?

I am working with SAR image processing and would like to test my algorithms on imagery from different databases. I have found the images from Sandia National Laboratories, but some of them are...

25 July 2018 6,606 3 View

Does inter-pixel distance change after downsampling?

Hi guys! I have a question. So I am trying to implement SIFT. My question is regarding inter-pixel distance. I think after downsampling the number of pixels change but the inter-pixel distance...

23 July 2018 9,916 4 View

Does anyone have matlab code to extract texture features using LBP for each pixel and clustering them using K-means?

I am interested in using MATLAB to extract texture features using LBP for each pixel in an image and clustering them using K-means algorithm. Anyone with relevant knowledge or the MATLAB code...

20 July 2018 6,849 5 View

Where can I get the python implementation of super resolution using multiple images?

I am working on techniques to obtain high resolution reconstructed images of license plates. The source of these images are from CCTV video footage.

09 July 2018 7,488 7 View

What is the justification for improving marker-controlled watershed segmentation with clustering algorithms?

I read some papers recently on improving marker-controlled watershed segmentation with clustering algorithms. What can be said to be the justification for improving marker-controlled watershed...

07 July 2018 252 3 View

Is histogram matching valid for image pre-processing?

Dear RG-Community, for one of my projects I would like to classify multispectral images recorded at the same location over a couple of month. Now, for specific bands, the underlying reflectance...

07 July 2018 8,893 8 View

Otsu thresholding in imageJ?

Can anyone share a detailed resource on using OTSU thresholding method in ImageJ?

07 July 2018 7,029 4 View

How can I access Ultrasound Thyroid Noudle images with their description?

I'm doing a research on classification of thyroid nodules and for this I need a database of thyroid ultrasound images with patient specified details like age,gender and nodule FNA result. Is there...

07 July 2018 6,109 2 View

Does anyone have matlab code to extract texture features using LBP for each pixel and clustering them using K-means?

I am interested in using MATLAB to extract texture features using LBP for each pixel in an image and clustering them using K-means algorithm. Anyone with relevant knowledge or the MATLAB code...

07 July 2018 2,510 3 View

Why the inbuild function used for bicubic interpolation results in different PSNR in MATLAB and OpenCV?

if we perform bicubic interpolation using matlab function: [nrow, ncol] = 2*size(im_l); im_b = imresize(im_l, [nrow, ncol], 'bicubic'); it shows PSNR =29.30 in MATLAB R2013a resize(img, im_b,...

07 July 2018 2,016 0 View

What does it mean to compute the gradient magnitude of a segmented image?

I was going through a paper on image segmentation, and a number of questions came to mind: 1. what does it mean to compute the gradient magnitude of a segmented image or an image? 2. Of what use...

07 July 2018 369 2 View

How to convert .ntf format data into usual uncompressed image formats, such as TIFF?

I am working with SAR image processing and would like to test my algorithms on imagery from different databases. I have found the images from Sandia National Laboratories, but some of them are...

07 July 2018 7,915 5 View

Where can I get the python implementation of super resolution using multiple images?

I am working on techniques to obtain high resolution reconstructed images of license plates. The source of these images are from CCTV video footage.

07 July 2018 2,685 7 View

How to write vhdl jpg to bmp converter?

I want jpg to bmp converter module in my vhdl project. How can i write this? and where should i started?

07 July 2018 5,402 3 View

Quality of Experience QoE?

Can somebody explain that the QoE (Video or Multimedia Communication) is the component of Image Processing, Plz explain in detail?

07 July 2018 9,988 0 View

Does inter-pixel distance change after downsampling?

Hi guys! I have a question. So I am trying to implement SIFT. My question is regarding inter-pixel distance. I think after downsampling the number of pixels change but the inter-pixel distance...

07 July 2018 4,265 4 View

What is the justification for improving marker-controlled watershed segmentation with clustering algorithms?

I read some papers recently on improving marker-controlled watershed segmentation with clustering algorithms. What can be said to be the justification for improving marker-controlled watershed...

06 July 2018 6,455 2 View

How to classify an image using sift descriptor and euclidean distance ?

Using the vl_sift from the vlfeat (matlab) i extract the sift descriptor and i want to classify an image using the euclidienne distance without matching like the case of HOG descriptor, i will be...

20 June 2018 9,554 7 View

Is there the specific database for preclinical studies?

Is there a database for pre-clinical studies? (such as https://clinicaltrials.gov/ which is a database of privately and publicly funded clinical studies conducted around the world)

11 June 2018 3,950 7 View

How to use colour filter with Cuda programming ?

. From the image (see the attached picture), I would like to perform Cuda programming as following procedures (1) Using colour filter, only green colour is passed (2) When this part...

06 June 2018 3,281 0 View

I am implementing SIFT without using libraries. I'm new to Comp Vision & have gone through the paper. Can you guys suggest some helpful resources?

So, I am trying to implement the Scale Invariance Feature detector paper by Prof. David Lowe. I studied the paper but many of the concepts are unclear to me. Since I am new to Computer Vision(am a...

06 June 2018 5,031 3 View

What Features are to be Extracted from images for Image Segmentation?

1. What Features are to be Extracted from images for Image Segmentation using clustering algorithms(e.g. K means)? 2. What methods can be used for the feature extraction process?

06 June 2018 9,973 4 View

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