Does anyone know how image intensity changes in shadow?

Assume that we have a video sequence and want to detect moving shadows. it is clear that image intensity in each(R,G,B) channels decrease in shadow because light source is partially blocked by a...

06 July 2015 1,525 4 View

How do I find well-focused frames in a video?

03 April 2015 4,182 3 View

Does anyone has experience working with AMBE2020?

AMBE is a vocoder (voice coding) algorithm, and AMBE2020 is the IC in which this algorithm is implemented. I do not know how to handle this IC. Can anyone help me please?

09 October 2014 1,141 1 View

How is SNR calculated in images?

For example, we know that the added noise is Gaussian and it's standard deviation is \alpha.

07 August 2014 3,773 14 View

Does anyone know what "A_I" is as I want to use an KAZE feature descriptor?

I want to implement KAZE descriptor but I have difficulty with A_l and do not know what exactly it is. Perhaps A_I is a square Matrix. A_l is needed to non linear scale space composition and I do...

06 July 2014 9,737 4 View

SAR and optical image registration?

I need an accurate and real time algorithm to register optical and SAR image. can anyone help?

05 June 2014 4,085 3 View

Where can I find a SAR image database?

I want to test my code to register SAR images to optical image and need a database. Can anyone help?

05 June 2014 4,802 3 View

Does anyone know the best SAR image segmentation method?

I am doing a project related to sar and optical image registration. I need to segment sar and optic image and register the obtained regions in two images.

04 May 2014 3,191 3 View

How can I call a function in C by MATLAB?

I need to run a software which number of the functions written in C while some other is in Matlab. I want to run the software by MATLAB.

04 May 2014 1,541 4 View

Does anyone know how to determine key points in SIFT after finding candidate points?

After calculation of DOG we find extrema at each octave and scale independently, how should we relate the candidate points in octave 3 to the original image as keypoint?

02 March 2014 2,537 1 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Do I need to strip the PVDF membrane before staining it with colloidal gold?

Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...

02 March 2021 7,829 3 View

Image Processing and classification using keras/Tensorflow?

Do you have some recommendations approaches on Image processing and classification of plant diseases using TensorFlow/Keras?

02 March 2021 1,493 4 View

Which SAR dataset to use for generating coherency matrix and performing target decomposition (Description) ?

Working on chandrayaan-2 DFSAR data, there are three datasets available: 1) Slant range image data product: The slant range complex image file. Each pixel is represented by two 4-byte floating...

02 March 2021 8,481 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

How to find the mode of classified ocean colour images?

Hello, I have classified 10 S3 OLCI images from the same area (althouth not the same size and/or quadrant) and I would like to do a final image using the mode of the pixel of these 10 images. I...

01 March 2021 9,874 3 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

How to threshold an image despite bright lighting, using ImageJ/Fiji?

Hi everyone, I am using Fiji to determine the percentage of the image covered by leaves, branches, or trunk, but i've encountered some difficulty when the sun hits parts of my image like the one...

27 February 2021 1,194 3 View