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Questions tagged [sharpening]

a process which increases the definition along edges by amplifying the difference in brightness between pixels.

2
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0answers
88 views

What is the best way to downsample photos to increase sharpness [duplicate]

What is the best way to downsample photos to increase sharpness? If I have a photo in raw format with a resolution of about 24MP. How do I best downsample it to increase sharpness if I think the ...
7
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2answers
227 views

Is the darktable manual implying that all RAW files need sharpening?

Early in the darktable manual (p13 of the pdf) there is the line: "If you start your workflow from a raw image, you will need to have your final output sharpened." Which confused me a little bit. ...
0
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1answer
74 views

How to generate edge mask in Photoshop?

Is there a way to generate mask in Photoshop similar to what Lightroom sharpening mask generates by using edge detection?
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3answers
321 views

Sharpness stacking?

I have a 500mm f/8 mirror lens, which is super cheap and light, but which offers terrible resolving power (and a concomitant difficulty in nailing its manual focus). This 50% crop is pretty much as ...
0
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2answers
158 views

Sharp focus photography with APS-C [closed]

So, it happens that I am really passionate about the sharp focus photography, where some points on the picture looks sharper than the usual, just like the example I've attached. My question is: how ...
-1
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1answer
178 views

Is it a bad idea to use a retina display for retouching? [closed]

If I edit on a retina display, when I open the processed photos on a low density display at 100% they look pretty soft to me, as I didn't apply enough sharpening. Since I can see much more details ...
2
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1answer
411 views

How do I get the first preview on my camera to look as good as when I'm zoomed in?

When I take photos on my camera and view them, they sometimes don't look the best quality. When I zoom into them on the camera they look much better, like the quality and sharpness of the image is a ...
2
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1answer
829 views

How does wavelet sharpening actually work, eg. in RegiStax?

I recently came across some demonstrations on how to use RegiStax6 and its Wavelet filters to sharpen images, especially planetary shots. The instructions I found and read/watched all had in common ...
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2answers
74 views

Sharpening a portrait with PS Elements

I realise there are a thousand and one ways (maybe a little over the top) of sharpening an image in full blown photoshop, however these appear to require features not within Photoshop Elements. Has ...
-1
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1answer
198 views

How to improve quality and detail in faces and hair with Photoshop

I would like to use this photo on a smartphone wallpaper which means cropping it to vertical and in turn losing some quality. What is the best way to improve/enhance the details in the faces and hair ...
3
votes
1answer
170 views

Strange sharpening effect in B/W negative scan

I am scanning several rolls of B/W film and have noticed that a small number of shots have some sort of strange sharpening/edge detection behaviour which looks awful. The example below is from Ilford ...
6
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2answers
276 views

Is there Linux software to automatically sharpen appropriately for a given print size?

I'm living almost exclusively in Linux these days, working towards making the transition from Lightroom to Darktable. One of the applications from my Windows days that I used (and really like) is ...
1
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1answer
450 views

Warp-sharp script not working in Gimp 2.8

I have been scanning film and I just got sick of the Unsharp mask setting of my scanner software (EPSON Scan). It just makes the grain look huge and unnatural, resulting in weird contrast on most ...
31
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10answers
6k views

How do I make my photos sharp enough for print or selling online?

I am a starting photographer and I always have an issue with sharp images. I submited my photos to shutterstock just to see if it sells but they keep on telling me about too much noise or grain or ...
1
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1answer
111 views

Should I sharpen only the parts in focus?

Should I sharpen only the parts in focus or should I sharpen the whole picture?
5
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3answers
847 views

How do I use the “Standard Deviation” and “Scale” parameters in Gimp 2.10's GEGL-based unsharp mask?

Previously, Gimp 2.8 and earlier used a dialog with the familiar "radius, amount, threshold" parameters as described at Unsharp mask - what do the parameters do?, like this: But in Gimp 2.10, we ...
2
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2answers
691 views

Are deconvolution filters better than unsharp mask for correcting out-of-focus photographs?

What is the best method for enhancing image quality if a photograph happens to be out of focus? I'm using now unsharp mask but I'm looking for new methods. Perhaps there is one which has better ...
4
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2answers
501 views

Do images need special treatment for high-resolution (“retina”) displays vs regular displays?

What are people's (experimentally tested if possible) views on sharpening images depending on whether they are to be viewed on retina or non-retina devices. Assuming resolution in the file is not an ...
7
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1answer
594 views

Can deconvolution reverse softness caused by diffraction?

I'm aware that diffraction limits the maximum optical resolution of any lens, especially when stopped down to very small apertures. Some camera manufacturers, such as Pentax and Olympus, have ...
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3answers
173 views

Convolution algebra and capture, creative, and output sharpening

I'm making the reasonable assumption that software implements sharpening via convolutions. Convolutions are both commutative and associative. So... why do we talk about capture sharpening, local ...
2
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2answers
537 views

What is subpixel sharpening?

What does sub pixel radius sharpening mean in this review of the Pentax K5IIs mean?How does it differ from regular sharpening? Now this is the same raw file, with a 301% .3 sub pixel radius ...
2
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1answer
331 views

Why it is said that sharpening is always needed in digital pictures?

Is it the sensor to blame? Because film-based pictures do not need sharpening.
2
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1answer
109 views

Sharpening for Collage printing: individual images or once for the whole thing?

I have about 200 photos which I have to make into a single big collage (48" X 72"). The height might vary, the width is fixed. I shoot raw and have the individual photos in Lightroom. I will ...
2
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3answers
180 views

Lightroom: Sharpen images for previewing?

Is there any way to sharpen images before I preview them? Is there any downside to doing this? I had been using a program named BreezeBrowser for years before making a recent switch to Lightroom. ...
5
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2answers
565 views

Is creative sharpening before resizing a mistake (if you're following the sharpen after resizing methodology)?

I've read about 'creative sharpening', a step in between raw sharpening and output sharpening, but it strikes me that this goes against the principles behind sharpening after you resize. If you ...
3
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1answer
852 views

Why do photos look blurry in Aperture but sharp in Mac OS X Finder?

I see a strange behaviour in Apple's Aperture (latest version). When I import pictures taken by a Samsung NX1000 into Aperture and open a pic, at first it looks sharp — but after less than a second, ...
30
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4answers
5k views

How do you achieve sharp bokeh circles?

There's an effect I'm looking for and I was wondering if I could get it with just the camera or will I need to open up photoshop to achieve something like it. I'm trying to get shark bokeh circles ...
14
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2answers
20k views

How can I undo an intentional Gaussian blur when I don't have the originals?

I have a bunch of old pictures which I had performed a Gaussian blur on to use in a competition years ago and have now realised I do not own the originals anymore. Does anyone know of a tool out there ...
1
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1answer
177 views

Is there any different process of sharpening in different genres of photography or not?

In most photos, according to the subject and genre of photography which you choose, having sharper edges/details is desired, but I am not sure if there is a different process for different genres or ...
0
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3answers
2k views

Why is sharpening not recommended in RAW processing? [duplicate]

I was reading this article A Simple Workflow for RAW Processing. I noticed that sharpening is not recommended (only noise reduction is), as it should only be the final step before publishing. However, ...
3
votes
3answers
4k views

Photoshop CS6 “Unsharpens” After Applying Sharpen

So I've been having this problem with both CS5 and CS6. Every time I sharpen using Unsharp Mask or Smart Sharpen, the image would get de-sharpened after the sharpening is applied. I'm not sure why it'...
10
votes
3answers
769 views

Does Lightroom apply edits in the order I do them, or does it intelligently reorder them?

The matter of the correct order of applying sharpening has been discussed various times (I will pick this question as an example, but it's not the only one), with a clear consensus which can be summed ...
9
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2answers
443 views

Where in my workflow should I sharpen?

All my photography tools have sharpening options. My camera has sharpening (in the picture profile). Not sure that applies to RAW though. In Lightroom I can sharpen twice: in develop and in export ...
2
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2answers
305 views

Editing or retaking my shot to maximize sharpness, image quality, and reduction of noise.

This is my image that is part of a pano I'm working on. How can I transform it to be similar to this amazing image especially when considering sharpness, noise, and the the light coming form the ...
2
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3answers
320 views

Advertising - Upsize and sharpen or sharpen and upsize?

I know similar questions have been asked, but this is a little different I suppose. All files for our client need to be sized to max:9600px. I'm debating if I process from ACR with default sharpening, ...
11
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4answers
29k views

Recommended start point for sharpening RAW Images

I'm just beginning to get back into serious photography after a very long time away. I've toyed with digital, but this is my first foray into trying to do controlled creative work in the digital ...
3
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3answers
305 views

Sharpening for smart phone viewing

Why do my website photos look fine on a computer and ipad, but blurry on a smart phone (iPhone 4s)? How do I sharpen and save for smartphone use?
2
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1answer
2k views

Resize and sharpen or sharpen and then resize?

Is there a logical reason why one is preferred over the other or it does not make any difference either way? Edit: I meant resize as in downsizing the image.
2
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5answers
3k views

What is a simple and effective method to sharpen for web output in Photoshop?

In Photoshop, I've got a master PSD image file with all mask and adjustment layer treatments, but no sharpening at all. I save for web and create a JPG at 1200px. Now, I bring that file back into ...
7
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3answers
21k views

How does Photoshop CS6's deblur feature work?

This video shows a sneak peek of a new Photoshop feature for Creative Suite 6, called 'deblur', which is able to take a blurry image and make it sharper: http://www.youtube.com/watch?v=xxjiQoTp864 ...
2
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1answer
4k views

Improving the edges of silhouettes

I have a photograph containing a silhouette of bird that's slightly out of focus. The edge is well defined, but feathery. Sharpening gives a reasonable improvement, but I curious whether the wizardry ...
3
votes
2answers
449 views

Should I perform the final color space conversion before or after final sharpening of an image?

When preparing an image for the web (or other media), the last two steps is usually to resize the image to the desired resolution and sharpen it at that resolution. However, when working in a larger/...
5
votes
1answer
683 views

What algorithms and values does Lightroom use for sharpening for print and for screen?

In the Lightroom exporting menu, there are options to sharpen for screen and print. What are the differences between the two? And how does each setting actually sharpen the image? And finally what is ...
11
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3answers
7k views

Does the order of sharpening and noise reduction matter?

I have been shooting for more than three years, but I never do too much in post-processing. I tend to be strict and keep in mind that PP can only do little to save an otherwise-great photo. I was ...
3
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1answer
2k views

What's the professional approach to removing noise from a cell phone pic?

I have a cell phone photo that's a bit grainy and slightly blurry. It's not the out-of-focus type of blur, but the blur brought on when edges run together due to lack of sharpness. I have Adobe ...
8
votes
3answers
2k views

Is it me or is the Lightroom's zoomed out preview inaccurate in displaying noise and color?

I'm having some trouble with the Lightroom viewer (In develop mode) when zoomed out. Look at this picture: http://mugredelcajon.com.ar/photose/1.png See how the sky seems to have a lot of chroma ...
4
votes
2answers
10k views

Can I apply a Photoshop smart filter to multiple layers, for a better sharpening workflow?

Is there a way to apply one smart filter to multiple layers? I'm trying to figure out a better CS5 Photoshop sharpening workflow using smart filters. I am working with scanned film. Before ...
15
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4answers
4k views

Why do photos look best without any sharpening?

Maybe it's a subjective question, but most of the time my photos look best when I leave the Sharpening slider of Lightroom in a value close or equal to zero. Which are the benefits of digital ...
17
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1answer
1k views

How should one sharpen differently depending on the target usage for a photo?

In an answer to another question, a statement is made: Sharpening is the only (? I can't think of any others ?) edit which needs to be done differently depending on the target medium. E.g. ...
14
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3answers
7k views

How do you optimally resize and sharpen images for printing?

What is the best way to get the clearest, sharpest print without pixelation or blurring? I have tried some sharpening techniques in Photoshop, however they are geared towards sharpening for viewing on ...