HighlightImage

Combines raster Image with vector Graphics in order to annotate, overlay or highlight certain features

HighlightImage[img_Image, roi_]

where roi can be

{{x1,y1}, ...} list of image positions (drawn as points)
g_Graphics a graphics object or list of graphics primitives
mask_Image a mask image

The following form is also valid

HighlightImage[img_Image, {style__, roi_}]

where style accepts the same directives as Style or graphics. There are additional style rules

"Blur", {"Blur", r}

Examples

Highlight features

i = (* image *)
HighlightImage[i, ImageCorners[i, 1, .001, 5]]

Highlight multiple regions of interest

i = (* image *);

HighlightImage[i, {Blue, EdgeDetect[i], Red, 
  ImageLines[GradientFilter[i, 2], MaxFeatures -> 10], Green, 
  ImageKeypoints[i, MaxFeatures -> 20]}]

warning

There is a known bug on HI-DPI screens and specific types of images. Apply this patch to your image.

img = Image[img, "ImageResolution"->Automatic];

Examples​

Examples