Questions tagged [blur]
An important aspect of the photographic vocabulary, produced by focus selection, limitations of depth of field, optical qualities, subject motion, camera motion, or other technical problems.
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Is there a theory behind 'Blur Detection'?
I am trying to implement a blur detection algorithm for my imaging pipeline.
The blur that I want to detect is both -
Camera Shake: Pictures captured using hand which moves/shakes when shutter speed ...
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What equipment and settings do I use for panning shots of moving objects?
How do you go about getting great panning shots of things like cars and bicycles so that the background is nice and blurred but the target is sharp as can be. I have tried on many occasion to do ...
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How does background blur (bokeh) relate to sensor size?
This is a somewhat theoretical question.
Suppose I first take a photo of a subject using a full frame sensor DSLR, with a given lens (say 50mm prime lens at f/3.5).
Now suppose I exchange the camera ...
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Should I switch off image stabilization when photographing my 2 year old?
A large percentage of my photos of my 2 year old appear to be blurred. I know one of the problems is that she will not sit still for a second, but I am using a fast shutter speed. Could IS be ...
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Can software auto-detect image focus?
I was wondering if there was any photo management software out there that could auto detect and "rate" images on how in focus they are.
This comes up for me quite commonly when i am looking through a ...
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Would a large aperture lens help against low light subjects being blurry?
I want to get nice shots with ambient light (meaning the natural light in the room of restaurants, living room with x-mas tree lights only...) so I can catch the glow of light on people’s faces as ...
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Why is image stabilisation making images unsharp?
During vacations and travel I tend to use my Nikon D90 and a 18-200 VR (image stabilisation) lens.
I was very annoyed (and had no explanation) when I found images to be unsharp, which had be made in ...
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How to avoid a halo around the edges?
I am just post-processing some pictures I took last spring. On lots of them, I notice a halo around the edges of objects which are slightly outside the focused depth.
I shot without a tripod, with ...
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How can slightly blurred photos be improved in post processing?
I have heard quotes which say "If its not good, delete it."
I go by that advice, but sometimes you capture some precious moment but you see that photo is slightly blurred because of camera shake. I ...
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How can I get sharp images using optical zoom function on a point-and-shoot?
We’ve got a point-and-shoot (Canon A590 IS), and it seems that the zoom function is completely useless because it is always blurry, even in broad daylight. For example, I tried to take a picture of a ...
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How can I use image stabilization to make a moving subject clear?
Image stabilizers in digital cameras are available for shooting moving/shaking snapshots clearly. The image stabilizers try to focus the moving object and reduce the shaking. However, I have set the ...
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How can I take shallow depth of field photos with a point-and-shoot camera?
I have a compact digital camera, and in macro mode I can manage to achieve a blurred background, if the background is far enough away. Can this be done when taking non-macro pictures, and if not, is ...
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How can I maximize the "blurry background, sharp subject" (bokeh) effect?
I know that this effect occurs when there's a shallow depth of field.
My question is, what are the various ways I can increase this effect in my photos when I'm taking them?
Note that I'm not ...
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