Recent questions tagged image

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image - How to obtain size of cluster of pixels in R

I have a picture of 2 colors. Red color pixels are in form of cluster. I would like to know the max ... there any function to perform it? 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 - Java ImageIO.read(getClass().getResource()) returns null

The line andImg = ImageIO.read(getClass().getResource("gate_and.png")); fails with Exception in thread "AWT- ... think the original is correct. 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 - Houghlines in MATLAB

After detecting the lines in an image using Hough lines, how can I use it to calculate the change in angle ( ... the lines of a reference 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 - Median variance in background subtraction

I am facing some issues in implementation of the paper Statistical Background Subtraction for a Mobile Observer. ... mentioned in my webpage. 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 - Error setting ROI OpenCV Android

I am trying to figure out how to set the ROI for an Image in OpenCV on Android. I have done this on ... this, has anyone successfully done this? 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 - Circular neighborhood operations: matlab color histogram

Assume that I have a grayscale image. Consider a circular neighborhood window around each pixel. I need to get ... for this problem in MatLab? 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 - Showing a bitmap in dataGridView using C#

I want to show in dataGridView some image. I have two components, dataGridView, dataTable and one Bitmap. DataTable ... Is it possible to do? 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 - Git push hangs on POST git-receive-pack

I'm on a Windows 8 Machine with git version 1.9.5.msysgit.0 pushing to a TFS Git Repository hosted ... . git config http.postBuffer 524288000 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 - Silverstripe Uploadify Add fields

I am looking to attach multiple images to a page in silverstripe (that will act as a rotating gallery ... images when uploading each 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 - FInd out if PNG is 8 or 24?

Is there a way to find out if a PNG is the 8 or 24 type? Ive tried with windows, fireworks and photoshop but I cant figure this out. 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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432 views

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image - c# screen transfer over socket efficient improve ways

thats how i wrote your beautiful code(some simple changes for me for easier understanding) private void Form1_Load( ... .Data.length is 8326947 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 load all files from a directory of two different types in MATLAB

I know that it is possible to load all files of type .gif by using: files = dir('C:myfolder*.gif'); However, ... be a good way of doing this? See Question&Answers more detail:os...

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

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487 views

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image processing - Create Layered Tif with Java for use in Photoshop

I'm interesting in creating a layered tif with Java in a way that Photoshop will recognize the layers. I was ... be generated with Java? 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 - Create Layered Tif with Java for use in Photoshop

I'm interesting in creating a layered tif with Java in a way that Photoshop will recognize the layers. I was ... be generated with Java? 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 - PHP Upload IF ISSET always says it is?

OK, i have some kind of strange problem with my code. I'm trying to make uploading form with text along ... always says YES. Help, anyone. See Question&Answers more detail:os...

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

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494 views

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image - Is there a quality, file-size, or other benefit to JPEG sizes being multiples of 8px or 16px?

The JPEG compression encoding process splits a given image into blocks of 8x8 pixels, working with these blocks in ... divisible by 8-pixels. See Question&Answers more detail:os...

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

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693 views

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image processing - rgb to ycbcr conversion in matlab

I am trying to write a function in Matlab that takes an RGB image of class unit8 and double and converts it to a ... for any help of any kind. See Question&Answers more detail:os...

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

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631 views

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image processing - Formula for adjusting brightness/contrast on Canvas?

Just as there is a formula for converting an image to grayscale, is there a formula for increasing the brightness of ... What am I doing wrong? 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 detect all rectangular boxes python opencv without missing anything

I'm trying to detect all the rectangles from the relational database. But some of the boxes are not being detected ... ) cv2.waitKey(0) OUTPUT: See Question&Answers more detail:os...

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

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545 views

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image processing - Implementing different PorterDuff modes in android

I am working on a picture editing tool in which I need to merge two images. Most of the image editing ... regard will be highly 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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873 views

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image - Mount docker host volume but overwrite with container's contents

Several articles have been extremely helpful in understanding Docker's volume and data management. These two in ... solution in this case. See Question&Answers more detail:os...

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

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472 views

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image - iPhone UIImage upload to web service

I worked on this for several hours today and I'm pretty close to a solution but clearly need some help from ... else right. Please help! 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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521 views

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image - How do I change my background on scroll using CSS?

My website has THE PERFECT FULL PAGE BACKGROUND IMAGE. I grabbed the code for it from css tricks. If you visit ... ; background-size: cover; } See Question&Answers more detail:os...

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

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651 views

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image processing - OpenCV with other GUI (like Qt or WxWidgets) on Win32 VC++

I want to use OpenCV's image processing functions, but not the OpenCV GUI. I'm using OpenCV 2.0. I will use ... into a form that OpenCV can use? See Question&Answers more detail:os...

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

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542 views

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image processing - How do I reduce a bitmap to a known set of RGB colours

For a hobby project I'm going to build a program that when given an image bitmap will create a cross-stitch pattern ... !) in any code you post. See Question&Answers more detail:os...

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

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661 views

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image manipulation - iPhone: Blur UIImage

In my iPhone application I have a black-and-white UIImage. I need to blur that image (Gaussian blur ... hand, without hardware acceleration? See Question&Answers more detail:os...

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

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976 views

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image - QT QImage pixel manipulation

I am building a QT GUI application and use QImage for opening images. My problem is that I can't figure out ... it all wrong? 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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527 views

1 answer

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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