Top "Transformation" questions

Generally means modifying the shape or appearance of objects while preserving the content.

HOW TO use Homography to transform pictures in OpenCV?

I've two pictures (A and B) slightly distorted one from the other, where there are translation, rotation and scale differences …

opencv transformation distortion homography
iPhone - Draw some text with CGContext : ok but... mirrored

When I draw some text using CGContext, it is drawn mirrored. I tried to apply some transformations, then it is …

iphone cocoa-touch text core-graphics transformation
Perspective transform of SVG paths (four corner distort)

How is it possible to distort paths in SVG in browser so that they are distorted to certain perspective using …

javascript css svg transformation perspective
Opengl order of matrix transformations

Let's say I have a blue 3D box (where the top side is red colored). Now I call glScalef(1, 10, 1). Then …

opengl matrix transformation
How to calculate perspective transform for OpenCV from rotation angles?

I want to calculate perspective transform (a matrix for warpPerspective function) starting from angles of rotation and distance to the …

c++ math opencv transformation perspectivecamera
Spark Transformation - Why its lazy and what is the advantage?

Spark Transformations are lazily evaluated - when we call the action it executes all the transformations based on lineage graph. …

apache-spark transformation lazy-evaluation
Checking if Two Massive Python Dictionaries are Equivalent

I have a massive python dictionary with over 90,000 entries. For reasons I won't get into, I need to store this …

python dictionary transformation python-2.7
How do I use XslCompiledTransform when input XML and transform XSL are strings. How do I get the transformation result as a string?

I have one string inputXMLString, and the second one containg transform XSL named transformXSLString. Both of them are correctly formatted …

xslt transformation xslcompiledtransform
OpenCV Transform using Chessboard

I have only just started experimenting with OpenCV a little bit. I have a setup of an LCD with a …

c++ c opencv image-processing transformation
CGAffineTransform scale and translation - jump before animation

I am struggling with an issue regarding CGAffineTransform scale and translation where when I set a transform in an animation …

ios xcode scale transformation cgaffinetransform