>>1986136The lowest levels of your visual processing chain literally work by tracing hard edges and areas of contrast. This happens long before gradient or color detection, geometry information extraction, and complex object recognition.
You're much more likely to not be able to tell what's going on from a noisy image with too much detail and no coherent balance. Nonetheless, if you can't readily understand what you're seeing, you might want to get that checked or think about different ways of processing what you're seeing. You're mentally throwing away relevant information.
