image-processing

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Identifying a Specific Face in an Image

Using OpenCV\'s HaarDetectObjects with haarcascade_frontalface_default.xml, I\'ve f开发者_高级运维ound I can detect a face fairly reliably. However, is anyone aware of any libraries or methods for ide[详细]

2023-04-09 02:26 分类：问答
How to add a dynamic images in ViewFlipper ???

I am using this code. to access the particular folder in order to get a list of images and add it into a ViewFlipper. but i have problem with this, i can\'t add it into the ViewFlipper.Soplease if any[详细]

2023-04-08 22:51 分类：问答
Count black spots in an image - iPhone - Objective C

I need to count the number of black spots in an image(Not the percentage of black spots but the count). Can anyone suggest a step wise procedure that is used in image manipulation to count the spots.[详细]

2023-04-08 22:40 分类：问答
About generating sound waveform in an ActionScript 3 Bitmap

I am generating Bitmap object to show the sound waveform of a loaded sound. The bitmap is 1024x120 and after it has been generated I shrink its size to 655x120. My problem is the player that loads the[详细]

2023-04-08 22:18 分类：问答
GrabCut - bgdModel & fgdModel empty - Assertion error

I am attempting image segmentation using GrabCut algorithm in OpenCV2.1 (C++) Here my code: Mat rgbWorkImage = imread(argv[1]);[详细]

2023-04-08 19:46 分类：问答
Green screen / chroma key iOS

I am trying to do green screen subtraction in real time on iOS.I have included openCV in my project and I can get the raw data from the camera using this tutorial: http://www.benjaminloulier.com/artic[详细]

2023-04-08 19:14 分类：问答
Detecting an Object in an Image using SIFT/SURF Features

Given N SIFT/SURF features extracted from 100 training images describing a specific object, and given M SIFT/SURF features extracted from a new image A, that may or may not contain that object (as wel[详细]

2023-04-08 16:49 分类：问答
GoogleAppEngine: how to prevent image resize failure for big images

I\'ve got to manage some images taken from the client. Up to now, my code is the following: Image oldImage = null;[详细]

2023-04-08 14:36 分类：问答
Why does cvSet2D take in a tuple of doubles, and why is this tuple all 0 save for the first element?

cvSet2D(matrix, i, j, tuple) Hi. I\'m dissecting the Gabor Filter code given in http://www.eml.ele.cst.nihon-u.ac.jp/~momma/wiki/wiki.cgi/OpenCV/Gabor%20Filter.html . I have a few questions on cvSet2[详细]

2023-04-08 10:07 分类：问答
Inverse filtering on OpenCV - accessing DFT values and multiplying DFT matrices

I am trying to perform an inverse and a pseudo-inverse filtering in the frequency domain. However I am having trouble accessing DFT coefficients and multiplying DFT matrices afterwards, since I got c[详细]

2023-04-08 05:50 分类：问答