Questions tagged [image]
The image tag has no usage guidance.
58
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Clarification on PPI
I wanted to convert a chart rendered by canvas element to an image file so that the user can download it. But the official HTML docs say that: The created image data will have a resolution of 96dpi ...
- 111
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How Can I convert Grayscale values of an image?
I am trying to get the following image to a certain grayscale value
I want the spiral to have a grayscale of 120 and everything else to have a grayscale value of 255.
What can I do?
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How to use linear color attachment with NV extension in vulkan?
I have an OptiX ray tracer and a Vulkan renderer. In Vulkan, so far I have only been displaying the image the ray tracer created.
Now I want to add rendering in the Vulkan renderer.
For the interop, I ...
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Automate Image resize, scale, position for best quality (size)
I have a process where a web user selects a photo for a profile image. User is then presented with a canvas to zoom, rotate and move their image within a square viewport. Once satisfied, the user ...
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How to identify images with similar content?
There's a set of pictures that if you take them literally, they're different. That is, there can be two images of the same thing among them, only in different hue. In addition, among these two, there ...
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Software to obtain high resolution images of a STEP geometry file
When trying to obtain high resolution images of geometry files, the only option seems to take a screenshot of the software in use (Salome, Catia, etc...). Although enough in most circumstances, it ...
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2
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54
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Can an aspect ratio be shortened to one value, best practise
I want to make a program that, for starters, list all image files in a folder and writes a warning if one dimension is (i.e.) double (2x) the other dimension, regardless of "image orientation&...
- 103
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Image made of shapes - terminology + software? [closed]
I've often seen images that look like the following example
Q1) is there a term for such an image?
Q2) What common software is used to convert a real photo (e.g. human face) to be composed of such ...
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What does an algorithm which handles mesh-based image morphing look like?
In recent years, the technology of Live2D has become particularly popular and I have been attempting to find any papers or articles which explain what the mathematics for the mesh-based image morphing ...
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124
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60px * 60px circle image appears pixellated when scaled down to 15px * 15px
We have a circle image with dimensions 60 by 60 px. We want to display this image in a smaller size (15 by 15) on a website using HTML / CSS. When we do so, the image looks blurry (ignore the cropped ...
- 103
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35 mm equivalent focal length but with a different aspect ratio
I am doing some image processing and am a little bit confused about reporting a 35 mm equivalent focal length. I am working with a 640x360 image which has an aspect ratio of 1.7777. A 35 mm film is 36 ...
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Difference between Gray-Level and Gray-Scale?
What's the difference between the terms Gray-Level & Gray-Scale ?
I think that Gray-Level refers to the matrix of light-intensities of the Black-White digital image itself whilst Gray-Scale refers ...
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How to change a RGB value using a radiance value?
I am new to this awesome community, I am currently writing a ray tracer but I hit a problem...
Let's say I have a surface(material doesn't matter) of colour [1, 0, 0] in RGB, and the radiance reaching ...
- 13
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2
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83
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Space efficient storage/compression of multiple scaled values (mip maps)
Because scaling operations are prohibitively expensive in my current rendering stack, I have to pre-render my images in all desired sizes and cache the result on disk. At the moment, I do this by ...
- 297
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splitting hue & saturating and leaving value behind
In an HSV model, the Hue is the color model. So when we split the image or remove H, should we get an image without rgb colors?
Similarly, saturation is the gray shade. I read that images become more ...
- 113