Recent questions tagged Image

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image - Dealing with padding in a BMP file in C

I am trying to edit a BMP file in C. My code works for BMP files with no padding but I am having trouble dealing ... { bmpArray[a] = 255; } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Should I use HSV/HSB or RGB and why?

I have to detect leukocytes cells in an image that contains another blood cells, but the differences can be ... why ?! sample image: See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - How do you handle negative pixel values after filtering?

I have a 8-bit image and I want to filter it with a matrix for edge detection. My kernel matrix is 0 1 0 ... . What am I supposed to with them? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Python: Use PIL to load png file gives strange results

I took the following png file from VOC2012 dataset. I used the following simple code: import numpy as np from ... Anyone knows why? Many thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Changing pixel color using PIL on Python

I'm very new to programming, and I am learning more about image processing using PIL. I have a certain ... appreciated. Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Determine the minimum bounding box to capture an object in MATLAB

I have background subtracted images as input. The idea is to reduce search areas for person detection by using a ... was the output I got: See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Custom Character recognition for android

I am looking for a way to recognize a very specific set or images/characters using a android device. I dont ... they support custom images etc. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Matlab: Color-Based Segmentation

Earlier today I was working on this script based on http://www.mathworks.com/products/demos/image/color_seg_k/ ... a lot. The image: See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - How to render all kinds of SVG files on iPhone?

For rendering svg file on iPhone I have downloaded a project from GitHub SVGQuartzRenderer but it shows the ... tutorials or sample code? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - manage uploaded files in database or file system?

I'm going to incorporate the feature for my users to upload small files which are under 2mb (jpg, gif, pdf ... BLOB? Thanks for any help. Dan See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - How to show icon on all listview items in virtual mode (C#)

I'm using virtual mode of listview to show a larg data. But I don't know how to show image for each item. Who ... } } But it don't work properly See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - JavaScript - overwriting .onload prototype of HTMLImageElement(s)

Is it possible to bind an onload event to each image, declaring it once? I tried, but can't manage to get ... my current code isn't working? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Finding length of contour in opencv

This is regarding a project that concerns detection of text in an image using OpenCV in C. The process is to ... passed to it as parameters. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - How to save a GIF on the iPhone?

how can I save a GIF on the iPhone? The SDK includes only UIImageJPEGRepresentation and UIImagePNGRepresentation but nothing ... and save it? GM See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - How to read bmp file header in python?

I need to read the header of a bmp file with python. I tried like this but it obviously returns ... 0 NumColorsUsed: 256 NumImportantColors: 0 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image manipulation - imagecopyresampled in PHP, can someone explain it?

OK i thought i understood this function but i have a complete mental block on this one. I wanted to create ... understands this soon :) Alex See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Finding peaks MATLAB

I have a vector which includes a gray levels of pixels in a one line of an image. vec=IM(:,65); I showed ... of vec: The vector is here: vec See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Faster alternative to java.awt.Robot.createScreenCapture?

I'm making a program that requires at least 24 screenshots per second to be captured. Currently with the ... getRGBPixels(screenRectangle); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - How do I add a links to pictures in Twitter Bootstrap Carousel?

I want to make the pictures that scroll through the carousel. Also, when we click on them, they open the Hyperlink. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - IMDB Poster URL Returns Referral Denied

In my Ruby on Rails app, I use the imdb gem (https://rubygems.org/gems/imdb) to search for a movie by title ... a way to bypass this at all? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - issue of the recognize people by their clothes color with not severe illumination environments

I am interested in the human following using a real robot. I'd like to use the color of clothes as ... ideas or suggestions will be appreciated See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - PHP Accurate Font Width

I am trying to generate a text image. So I create a new font: $font = '../fonts/Arial.ttf'; Then I add ... of my font with size 12. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Python: taking the GLCM of a non-rectangular region

I have been using the SLIC implementation of skimage to segment images in superpixels. I would like to use ... work with nonrectangular ROIs? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - iText page number in header within PDF/A

I have trying to adjust the code to add page number in PDF to PDF/A. I have added the font, color ... MovieCountries1().createPdf(RESULT); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Android : code 1 SQLITE_ERROR (No Colum_name was Found)

i am Learning Database Storage in Android for that i am trying to create a Simple App With Names of ... ZygoteInit.main(ZygoteInit.java:962) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Local Binary Pattern in MATLAB

I am trying to execute local binary pattern in MATLAB using the image processing toolbox. When i execute I can't ... get numbers from 0 to 255. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - How to do a Gaussian filtering in 3D

How do i do a gaussi smoothing in the 3th dimension? I have this detection pyramid, votes accumulated at four ... smooth3(M0,'gaussian'); : See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - python opencv HSV range finder creating trackbars

I want to find the HSV value of a LASER dot using opencv and python. I got the code http://opencv-srf. ... Thank you, any help is appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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