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Questions tagged [pixel]

A pixel is the smallest unit that can be represented or controlled on a display. The word pixel is derived from the phrase "picture element".

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Android Studio XML getMeasuredWidth ()

The getMeasuredWidth() method measures the width in pixels, is there a similar method that measures the width in dp?
Tenday
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How to meter pixel on screen

I need to meter pixel on web page or on the screen. I used orange pixel meter is any other program similar to mater pixel on screen.
Ballon
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How to calculate the radiance of a pixel

I have a grayscale image and I have the intensity values ​​of all the pixels. I need help converting this pixel intensity value to the radiance of the pixel in W / m2 / sr. If anyone can help me with this, I will greatly appreciate it. I'm working…
Vanessa
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Visual Basic - Get Bitmap pixels as array

I'm making a game in Visual Basic using .NET Framework 4. Is there something similar to this (from Java): private int[] pixels = ((DataBufferInt) bufferedImage.getRaster().getDataBuffer()).getData(); for the Bitmap? Thanks.
Boodog
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How to detect shadow under /below a segmented region?

I am working on a project (named :Shadow based renal stone detection ) in which after applying region growing to detect stone (as most brighter part in the image) I have to verify the shadow under the stone with gray values( of shadow )ranging…
Tahira Batool
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Is 1 CSS point equal to 75% to a CSS Pixel?

I'm trying to understand the how CSS pixels relates to CSS points nowadays and what I've read is that one css point is a 3/4 pixel. Is that correct? And I can ignore the old idea that 1pt would be 1/72 of 1in because of difference in resolution and…
Tony Bolero
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Show div when it is 20% away from the bottom of the screen

Heyo, so I was wondering if it is possible to show the fade-effect of a div, if it is 20% away from the bottom within the currend screen view. So for example if you scroll down on a page and the following contentbox gets a distance of 20% of the…
Pelle2010
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UWP get canvas pixels

I'm working with UWP. I have a Canvas that is partly colored and I need to know what part is colored. I think to get over each pixel of the canvas and check its color. I cant find how to do this thank you
Yair Ben Simon
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How to efficiently find video frames with all pixels in a same color in MATLAB?

What is the efficient way (meaning using less loops and shorter run time) in MATLAB to read a video file say:vid1.wmv for example with this specifications (length: 5 min, frame width: 640, frame height: 480, frame rate: 30 frames/sec) and extract…
Remy
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Resizing an image in java by factor of 2

This is what I have so far, but don't know what to do now? It makes the picture bigger but there is a lot of spaces in the picture. How do you copy pixels to fill in the holes? public Picture enlarge() { Picture enlarged = new Picture(getWidth() *…
Glenn
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Draw Pixels in a square from inside out - Java

I want to draw a square of pixels pending on how many items are in an array. the square represents the array amount so small squares represent small arrays and large squares represent large arrays. I am finding it difficult to conceptualize how I…
slotishtype
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How to get pixel colour on screen (not using images) on Android?

I am developing a app to help with caligraphy. I intent to put the Letter/character on screen, and I want to know if the place where the user touches is inside or outside the letter area. Also, I want to be able to change the letter to another one…
user6855072
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Inkscape Icon view: half pixel issue

I made a 24×24px square in Inkscape. I don’t understand why does the 24×24 icon view shows me a square with a gray pixel at its bottom? Any idea?
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Need software that can help me in working with pixels

I am working with graphics in C. I find thinking about the pixel locations terrible and I am in need of a tool where I can draw images and it gives me the pixel location of that point. Please guide me.
user379888
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Threshold method is turning every pixel black

I am trying to implement my own threshold method in processing but I get a fully black image when I try to run the method on an image. Any help? void threshold(PImage img) { for (int i = 0; i < 300; i++) { for (int j = 0; j < 300; j++) { …
Raymond Edde
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