Is it possible on an iPhone app to take a picture and extract an string from the picture? We'd like to make our app to look for a serial number on a database (very long number) without the user having to type it. Is there any Cocoa/Objective-C API for this or any C/C++ library that can be used in an iPhone app? Thanks in advance! ...
Our Android app does a lot of image decoding. We fetch a lot of images from the internet, local storage caches, etc. Up to now, these images are being decoded on the UI thread (using BitmapFactory.decodeX() methods). It's been causing some timeout crashes because the UI doesn't respond quickly enough to user input. I could write a li...
I would like to plot gradient magnitudes of an color image in matlab. Precisely saying i want the gradient in my x-axis and the log of probability density on my y axis. i would request if someone can help me out. Thanks ...
Hi, Is there a good image manipulation library/framework that can be used in a Flash/Flex application? I'm looking for some distortion effects in fotoflexer.com like bulge, pinch, stretch, squish, Smooth Wrinkles? Any ideas/comments will be appreciated. ...
I'm developing a project for doing Content Based Image Retrieval where front end will be in java. The main issue is about choosing tool for performing image processing. Since Matlab provides a lot of functionality for doing CBIR. But the main problem about using Matlab is that you need to have Matlab installed on every computer using th...
What is the most basic approach to implement a liquify filter like the one photoshop has , in java ? ...
Hello , I am about to start a project in visual image-processing and have no had experience with Matlab, Aforge, OpenCV and was wondering if anyone had any experiences with these different software packages. I was also wondering which of the three packages were most efficient I assume OpenCV but has anyone had any experience? Thanks ...
Hi all, I have a problem with image processing. I have set up a web cam on top of my laptop facing the keyboard so when i touch the LCD the image which get from the web cam bisects by the finger so my idea is to get the positions of the finger when it bisects the image. any help is appreciated (OpenCV, openframework or any other relevant...
does anybody know we can translate from real image captured using cameras be converted to the cartoon space ? Please note that my goal is not to create animations or the likes, but just to translate to "cartoon colors" if possible. will simple requantization to a space where there is less quantization levels work Or some other specifi...
Hey :) I want to resize an image when I address it in a form(save to database). I dont think it will be a problem [pointing to the image etc, however the space I am going display the thumb in is 228 x 228. I know I can maintain the ratio and determine the size in the controller, yet how is it done on images that are frequently differe...
a = imread('autumn.tif'); a = double(a); [row col dim] = size(a); red = a(:, :, 1); green = a(:, :, 2); blue = a(:, :, 3); What does the colon : in the last three lines mean? (The above snippet is from "Image Processing" by Dhananjay Theckedath.) ...
I'm attempting to overlay one image on an image taken by the device camera and save the result back to external storage. I'm continually running into: java.lang.OutOfMemoryError: bitmap size exceeds VM budget which I generally understand but in this case I cannot downsample the image from the camera because I want to preserve the orig...
Hi Guys, in image processing applications what is considered real time? Is 33 fps real time? Is 20 fps real time? If 33 and 20 fps are considered real time then is 1 or 2 fps also real time? Can anyone throw some light. Vikram ...
I about to take some courses in Pattern Recognition. As i have no prior knowledge in either C or C++, my professors told me to learn a bit of one of them before the course, and learn more when doing the course. Which one should i pick? The prior knowledge in programming i have is limited to mostly C# but some PHP, SQL and Prolog as wel...
Hello, I have been looking into OpenCV and GpuCV, I have successfully managed to make a small program using OpenCV following http://opencv.willowgarage.com/wiki/VisualC%2B%2B_VS2010 and was wondering what I need to add in Include Directories Library Directories Source Directories Additional Dependencies to get a simple GpuCV to work? ...
I am trying to build a collection of Visual similarity between images, being size, angle, color, rotation invariant for Content Based Image Retrieval.Quite agnostic about the platform but .NET, Java or Python are preferred. But if others are available, pls. suggest away. I am quite familiar with OpenCV Match template and Match shapes. I...
How can I get the bytearray data from an image that is under certain shape, for example a circule or square? Let's say I want to modify ONLY the pixel inside this circule, how can I get this Bytearray data? Any ideas? ...
hey there, I have a question regarding picture scaling. I have an application where users are able to upload pictures in albums but naturally the uploaded images need to be resized so there are also thumbs available and the shown pictures also fit in the page (eg. 800x600). The way I do the resize is like this: Image scaledImag...
Hi, i want to use a function for image recognition i dont want to make an algorithm. please suggest me a function where i could compare two images and tell whether these images belong to the same object. please help me!. ...
I have a component for an image file upload. However, I want to also be able to check DPI settings because these images will eventually be printed and submitted on paper. Within ASP.net, I can usually do something like this: using (var rawBitmap = new Bitmap(postedFile.InputStream)){ var dpi = (decimal)rawBitmap.VerticalResolutio...