Recent questions tagged Image

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image - How do you get the RGB values from a Bitmap on an Android device?

I want to get RGB values of bitmap in android but I cant do this so far. My aim is to obtain RGB ... is very important for my project. Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Android: fast bitmap blur?

I've been searching the past three days for a built-in, hardware-accelerated way of bluring a bitmap ... or something completely different? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Getting the bounding box of the recognized words using python-tesseract

I am using python-tesseract to extract words from an image. This is a python wrapper for tesseract which is an OCR ... way to get that as well See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - python imshow, set certain value to defined color

I have a RGB Image, which I plot with matplotlib.pyplot.imshow and it works fine. But now I want to change the ... Is there a way to do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - How to parse data-uri in python?

HTML image elements have this simplified format: <img src='something'> That something can be data-uri, for example: ... my own parser for this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Is there a substitute for blockproc in Matlab?

I've been using blockproc for processing images blockwise. Unfortunately, blockproc is part of the Image Processing ... t solve my problem. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image manipulation - OpenCV: how to rotate IplImage?

I need to rotate an image by very small angle, like 1-5 degrees. Does OpenCV provide simple way of doing ... IplImage *source, double angle); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - How to cancel a jquery.load()?

I'd like to cancel a .load() operation, when the load() does not return in 5 seconds. If it's so I ... 's callback function when it's returning? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Android : Understanding drawable folder

I have an image with dimensions 250*70 pixels under drawable folder (I'm just starting out in Android development, ... or links to search ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Horizontal Line detection with OpenCV

I am trying to find horizontal and vertical lines from an image which came from a "document". The documents are ... the lines. Thanks! Patrick. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Creating WPF BitmapImage from MemoryStream png, gif

I am having some trouble creating a BitmapImage from a MemoryStream from png and gif bytes obtained from a web ... got any light to shine? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Quality of a saved JPG in C#

I made a small C# app to create an image in .jpg format. pictureBox.Image.Save(name,ImageFormat.Jpeg); The ... way to set the desired quality? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Drawable-hdpi, Drawable-mdpi, Drawable-ldpi Android

I was working on Android 1.5, but I have now moved to the latest version. So there is only one " ... particular folder to store images in? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Finding number of colored shapes from picture using Python

My problem has to do with recognising colours from pictures. Doing microbiology I need to count the number ... more elegantly. Regards, Sander See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - RGB to HSV in PHP

In PHP, what is the most straightforward way to convert a RGB triplet to HSV values? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - Nearest-neighbor interpolation algorithm in MATLAB

I am trying to write my own function for scaling up an input image by using the Nearest-neighbor ... output after Mark's suggestion See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - HTML5 drag and drop between windows

is there anyway with the HTML5 Drag & Drop functionality or/and the File API to drag an jpg image from one window ... to a browser? Thanks a lot See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - How to install Imagick/imagemagick PHP extension on windows 7

How to install image magic in Windows 7. I followed these instruction To install IMagick on Windows XP (php 5.2.x ... XXX Please help me to install Imagick. :-( Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - How to resize text in java

I have seen that in photoshop text can be easily resized just by dragging them. How can we do the same thing in ... (300, 300); frame.setVisible(true); } } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Export pictures from excel file into jpg using VBA

I have an Excel file which includes pictures in column B and I want like to export them into several files as .jpg ( ... 0, 1).pix? Can anybody help me? Thanks! Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Render MATLAB figure in memory

Are there any alternatives to using getframe and saveas for saving the contents of a figure to a raster image ... an arbitrary axes content to a raster image? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Regex to check if valid URL that ends in .jpg, .png, or .gif

I would like users to submit a URL that is valid but also is an image, ending with .jpg, .png, or .gif. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Android take screen shot programmatically

First off i am writing a root app so root permissions are no issue. I've searched and searched and found a lot ... block e.printStackTrace(); } finish(); } } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - PHP Data-URI to file

I have a data URI I am getting from javascript and trying to save via php. I use the following code which ... $uri is the string minus 'image/jpeg;base64,'. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Get list of photo galleries on Android

I'm looking for: A list of the existing photo gallery names (hopefully their top thumbnail as well) The ... anything that will give me the groupings... Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Taking pictures with camera on Android programmatically

I have created an app with a button and wrote onClickListener for that button. I have tried several sample code ... I press a button in an Android activity? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image - Algorithms: Ellipse matching

I have many images like the following (only white and black): My final problem is to find well matching ... make good ellipse matching? Thank you very much Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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image processing - How to make the blackboard text appear clearer using MATLAB?

What are the sequence of filters I should put if I want the final image to be more clearer with a digital type ... for the board and one for the chalk writing. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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