Sign in
Search imagedsp
Subscribe to imagedsp
imagedsp by Keywords
Ads
Discussion Groups
See Also
Discussion Groups | Image Signal Processing
Technical Discussions related to Image Processing (image coding, compression, digital effects, mpeg, etc)
Size of macroblock in MPEG
ambi...@yahoo.co.in - Mar 15 2010
Hi all,
I have a doubt regarding the size of macro block in compressed video namely MPEG-4. Will the size of macro block vary within the compressed domain.In a paper,I have read t... 
Internal Structure of an MPEG Frame [2 Articles]
ambi...@yahoo.co.in - Mar 10 2010
Hi,
I want to know the internal structure of an MPEG frame.I am doing my project on "motion detection in the compressed domain".So my first step of the project is to parse the MPE... Real time Image Processing
trombokinase356 - Feb 23 2010
Hello there,
I am very new to real time processing but very experienced with image processing algorithms. I was just wondering what it takes to get my hands on? What devices and... Test images for iamge rectification
Emilio_Díaz - Feb 22 2010
Hi all
I'm working on an application that rectifies images by means of the direct linear transform (dlt).
Right now, my application works with some of my images, but in other... Difference between density estimation and edge detection
tony...@gmail.com - Feb 10 2010
Hello
what is the difference between density estimation and edge detection in an image.what is the significance of density estimation in an image
... 3D Modeling Techniques or Methods
zarrar javaid - Feb 10 2010
Hi,
Can anybody suggest some 3D Modeling Techniques or Methods? I know finite element model is one of them, can anybody suggest some other techniques?
Thanks in advance.
Che... Text Detection - Stroke Filter
svlada19 - Jan 23 2010
Hello,
I am new into Image Processing, and I have started simple project for recognizing text on images with complex background. I want to use stroke filter as first step, but ... Re: dividing the image pixels into different color bins
BRIJESH JAJAL - Jan 21 2010
Dear, if you have matlab, it has following code that seperates 3 color values:
i=imread('sample.bmp','bmp'); % Save Bitmap 24 bit format in Array I
'Loop the value of a starting ... dividing the image pixels into different color bins...
"neel............................." - Jan 20 2010
hi all....
i have a color image...and i want to classify the image pixels into different color bins....example......different shades of a given color should be there in the bin fo... How to detection similarity of two Image [9 Articles]
mohammad - Jan 12 2010
dear all members
I am trying to find rate of difference or rate of similarity of two
Images.
anyone can give me any Idea ?
for example :
if we have 2 Image : im1.jpg and im2.j... How to detection similarity of two Image
samuel tamiru - Jan 8 2010
You know comparing images is highly subjective task, and Corr2, SNR, RMS .. and more .. but all this techniques have their own deficiency and there are some litratures on a robust ... surface feature detection for 3d meshes
Juan Vesa - Jan 5 2010
hi,
i'm after some references of algorithms/techniques which explore
feature detection on surfaces of 3d meshes. if anyone has any
references or places to start looking coul... 2d Discrete Wavelet Transform
"bal...@ymail.com" - Dec 29 2009
I want to do feature extraction on a image using wavelet transform(in JAVA). Can anyone give me the algorithm or the method to do this? Is there any book that can help me?
... Peak detection
kian zarrin - Nov 17 2009
Hi,
I want to detect corners and i need a good and fast peek detection method. i have searched the Internet and found one ( MATLAB function : findpeaks) but i cant find the one ... minima detection
Harish - Nov 17 2009
Hi,
Given an autocorrelation function which has a peak at time instant 0 and almost zero values at any other time, I need to find the immediate minima after t=0 ? Any suggestions... 2D FFT & IFFT OpenCV
c_oz...@yahoo.com - Nov 13 2009
Hello All!!
I am really surprised by the fact that no mater how hard I used my googling skills, I couldn't find a simple code that shows how to take 2D FFT of an image, AND GO B... Real time Video capturing using Matlab and USB CAMERA
davu...@yahoo.co.in - Nov 12 2009
Hi all
This is vijay.,
I am interested to do a project for video compression using MATLAB. I have to take real time video and then i have to compress data then i have to transfer... help reading images [3 Articles]
Rajesh Ghole - Oct 26 2009
Hi I am new to image processing using embedded systems i am starting with
code composer studio 4.0 simulation on target C64X
i want to know if there are API for reading bmp /... gradian of an image??
mehrnazf - Oct 22 2009
hi
can anybody help me find the gradient of an image in horizontal
or vertical direction . in any desired point????
thanks for your helps in advance.
... Horizontal Edge detection using Canny [2 Articles]
Arijit Biswas - Oct 15 2009
Hi all:
I want to use the Canny edge detector for detecting horizontal edges/lines only.
Is it possible to do that?
Which are the most important tuning parameters to make it w... Can image processing be done using TMS320VC5416?
laks...@yahoo.com - Oct 15 2009
Im not exposed much to DSP programming but decided to do my project on image processing. Can anyone tell me if image processing cannot be done using C5416 kit? I need to process a ... Middle frequency DCT coefficients
ljmr...@yahoo.com - Oct 14 2009
Hi,
I am working on a project in which I apply DCT on an image and have to select middle frequency coefficients for watermark embedding.
Is there any way that I can determine whi... =?windows-1256?Q?Contourlet?= =?windows-1256?Q?=FE?=
Muhammad Anoosh - Sep 13 2009
Hi,
Can somebody please help me in designing some images which demonstrates 'comprehensively' how the contourlet reduces image scales.
Cheers
AN
... image reconstruction
gabriel scarmana - Sep 11 2009
Hi there
=A0
1) What I am trying to do:=A0=20
To define a code=A0that allow the reconstruction of an image which has unde=
rgone heavy sub sampling before being transmitted to ... How to design a generic anti-aliasing filter ?
sand...@einfochips.com - Aug 20 2009
Hi All,
I am downsampling an image by a factor which can vary at runtime. I am aware of the techniques to design a anti-aliasing low pass filter where cut-off frequency is fixed... Transfrom to Compress High frequency signal in Image [2 Articles]
fido...@gmail.com - Aug 14 2009
Hi All,
I need to compress High frequency signals like edges in an image. I have an image taken from the difference of smoothen and un-smoothen image(all the edges preserved).... Area covered by the pixel [2 Articles]
cole...@gmail.com - Aug 12 2009
I've an image read into matlab as matrix.I'll like to determine the area covered by the pixels of certain value. I don't have image toolbox processing. I'll like do the coding dir... Determine mean from set of images [3 Articles]
cole...@gmail.com - Aug 12 2009
I want determine the picture with the highest mean from a set of images loaded into matlab as matrix. The code is below. I want to know the exact picture with the highest mean so a... Bicubic Interpolation for YUV
Genial Fido - Aug 9 2009
Hi All,
Is there any source code online in c or c++ for Bicubic Interpolation which
can accept YUV format as an input.
Thanks
fido
... image overlay formatting question
vlya...@gmail.com - Aug 5 2009
Hello,
I am working on image processing application where aerial image has to be overlayed with topographic map image, based on the camera's GPS coordinates.
I am looking for the... Applications for fusing an image from two sensors (for example Visual and IR)
cull...@rokaconsulting.com - Aug 5 2009
Can anyone think of applications for a system that can fuse data from two sensors into one visual stream? What could you do if you could have one image with both visual and IR info... Brigtness enhancement
cole...@gmail.com - Aug 5 2009
I'm working with about 1000 images, which are read into matlab as matrix. But due to variation in the intensity of light(weather condition, AC light) during the time the pictures a... Inline interpolation 320 to 720
Alex Z - Jun 23 2009
Hello group.
I'm dealing now with the task of converting 320x240 RGB video stream (50 fps, progressive) into a standard D1 stream (YCrCb 4:2:2, BT656 sync coded) in order to be ... Autoregressive model for Image restoration
Jagadeeswaran R - Jun 19 2009
Hi,
Are you aware any usage of Autoregressive model for Image restoration?
I am trying to use it to remove a tone interference added to the Image signal.
But it is not showing... image processing application
tce_shiva - Jun 12 2009
hi,
m planning to develop an image processing application using a tool intel's integrated performance primitives as a part of my final year project. This tool basically helps in p... Mask Development e.g. Sobel, Laplacian etc [2 Articles]
zarrar javaid - Jun 11 2009
Hi,
Can anybody suggest some good text or techniques for Mask (used for filtering or edge detection) development.
Thanks in advance
Cheers
Zarrar
... Gaussian Scale Space [2 Articles]
Donato Richardson - Jun 10 2009
I'm just getting interested in image processing and was reading up about scale spaces. If anyone is familiar with the discipline I have a question. What's the correct way to go a... wsq image transfer question
vlya...@gmail.com - Jun 10 2009
Hello,
I am working on the project where WSQ coded fingerprint images have to be sent over bandwidth constrained mobile net connection, near real time...
Are there any methods ... Moving average
cole...@gmail.com - May 25 2009
I've a matrix with 3000 x 2500 x 3. The matrix is from RGB image. I want carry out moving average around on the matrix (2000,:) which is subset of the main matrix 300p0 x 2500
C... Fingerprint Matching: angle calculation in minutiae point
Pranav Patel - May 18 2009
Hello friends,
How to find angle theta in minutiae point P(x,y,angle)?
I m agle to find the x and y cooordinates but not able to find angle theta.
can any one help me i...