1_Sharpen_No

No sharpening.

2_Double_USM

Double pass Unsharp Mask sharpening.

4_Hybrid_HighPass

Hybrid Unsharp Mask and High Pass sharpening.

Different sharpening techniques make the world look different. A world of difference can be seen between the thin hard line of Unsharp Mask and the broad feathered line of High Pass Sharpening.

Can you choose a combination of both? Yes you can! You can choose the texture of one, the halo of another, and the line of yet another, applying them either globally or selectively. You can customize the look and feel of detail in any image or image area with astonishing precision and flexibility.

2_Double_USM

2b_Sharpen_DoublePass


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2_LowRadiusHighPass_

A low High Pass filter setting.

3_HighRadiusHighPass

A high High Pass filter setting.

There are three methods of sharpening in Photoshop that we should all be aware of – luminance, edge, and High Pass sharpening. In this order, the three methods become progressively more complex and go to greater lengths to reduce the accentuation of noise.

To minimize the accentuation of noise, luminance sharpening requires that the filter Unsharp Mask’s Threshold setting be set precisely. When this is not enough, edge sharpening adds a mask that targets the contours of an image, allowing more aggressive sharpening with fewer side effects. Like, edge sharpening, High Pass sharpening (named after the filter used to produce the effect) targets contours in an image, but it does so without the need for a mask; a mask which is more complex to produce. Unlike edge sharpening, the contour accentuation it produces is soft, feathered, and wide. The effect is substantially different and can be used for many creative effects. High Pass sharpening is very similar to the effects of ACR and Lightroom’s Clarity slider, but it offers more control and more varied effects.


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3b_usm_lowradius

Precise sharpening can improve almost any image. It helps to know when to apply it, what type of sharpening to apply, how to apply it, and where to apply it.

Forget the filters Sharpen, Sharpen More, and Sharpen Edges. They’re just default settings of Unsharp Mask. Even Smart Sharpen offers few advantages over Unsharp Mask; it’s particularly useful for compensating for trace, but not substantial, amounts of motion blur. My advice? Start with the classic and master it.

Why is a filter that makes images appear sharper called Unsharp Mask? In analog chemical photography, unsharp masks are made with out of focus negatives that are registered with an original positive image. During exposure, the blurring adds contrast around contours, making images appear sharper. Digital unsharp mask works the same way, it uses blurring algorithms to add contrast to contours, again making images appear sharper.

What are the ideal settings for Photoshop’s Unsharp Mask filter? There are no ideal settings that will accommodate all images – or image makers. Settings will be influenced by resolution, ISO, subject, and practitioner. As creative sharpening is primarily an aesthetic decision, individuals are likely to prefer different amounts and types of image sharpness. When it comes to the effects Unsharp Mask generates, there is a general range of believability most viewers share, but whether you play it safe or push the envelope is entirely up to you. You can craft your own sharpening style. To do this, you have to know how the tool works and what to look for.

What are the controls Unsharp Mask offers? Unsharp Mask offers only three controls – Amount, Radius, and Threshold.

What do they do? Amount controls contrast; a higher setting will create a brighter halo, darker line, and contrastier texture. Radius controls how thick halos and lines get. Threshold suppresses the effect in adjacent pixels, base on their relative luminosity; with a very low setting only adjacent pixels that are very close in color will be affected; with a very high setting many more color values will be affected.


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Quotes_Excellence

Enjoy this collection of quotes on excellence.

“Excellence is to do a common thing in an uncommon way.” – Booker T. Washington

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“It is the nature of man to rise to greatness if greatness is expected of him.” – John Steinbeck

“He who cherishes a beautiful vision, a lofty ideal in his heart, will one day realize it. Dream lofty dreams and as you dream so shall you become.” – James Allen

“It's a funny thing about life; if you refuse to accept anything but the best, you very often get it.” – W. Somerset Maugham


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