This tutorial provides the steps to overlay site header (automatically sized to half the viewport height) on featured image on single posts and the image fading away on scrolling down with fading in when scrolling up in Genesis.
While the tutorial has been written for Genesis Sample, it should work with a few adjustments in any Genesis theme.
Step 1
Add the following in child theme's functions.php:
// Register custom image size for hero/featured image on single posts.
add_image_size( 'single-hero', 1600, 1050, true );
Step 2
Create a file named single-post.php in the child theme directory having the following:
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