Questions tagged [image-manipulation]

Altering a photo so that it departs from reality in some significant way.

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1 answer
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Can anyone tell me what to look for in a string to see if its been photoshopped or edited?

I need some help figuring out whether a photo has been manipulated. I feel that my partner or someone he knows is altering photos which have faces and women and writing in them. I put a link to the ...
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0 votes
1 answer
84 views

If I ask someone at a printing shop to upscale a photo, what will he or she do?

I was sent a photo that was scanned at 300 DPI and it’s roughly 2000 x 2500 pixels. I’ve decided that I want to print it as a large print which will measure 20 inches x 30 inches and that works out ...
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1 answer
110 views

Improving images for human vision

If human eyes are more sensitive to red, green more than blue, also more sensitive to brightness than color. If there are 24 bits per pixel, are the images modified behind the scenes for human vision? ...
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2 votes
2 answers
170 views

Is there an optical/photographic reason for the difference between product and its product image?

I recently bought this wristwatch from a major online store, which was advertised with the following image: One of the reasons I picked it is were the black pointers and markers. The watch I actually ...
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3 votes
1 answer
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Watermarking processing proof

There are watermarking technologies in videos that are resistant to transcoding and image resizing. There are no visible artefact, it's rather for content protection and tracing. Is there anything ...
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  • 803
3 votes
1 answer
176 views

How would you remove power lines from a photo in the darkroom?

Ok so removing power lines in Photoshop is trivial. However I am interested in how the process might work with analog photography, in the darkroom. How would you remove power lines from a photo in ...
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-3 votes
1 answer
154 views

Extraction of registration number of a car [duplicate]

Please help me out the number of a car. Robbers entered our city late at night to steal in 3 cars including my car. High value coins and other items were taken away. The neighbor's camera filmed the ...
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3 votes
4 answers
369 views

Is it possible to remove the projectors lighting that's imprinted on the staff members

As you can see display screen is imprinted on the faces of around 5 members. I was wondering whether it is possible to remove the lighting. Either through clone stamp, feathering or any other way. I ...
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29 votes
9 answers
12k views

Why is software-based manipulation of images frowned upon while hardware-based manipulation is acceptable?

In my previous question someone pointed out that unnatural HDR based toning will get more objections from the photography community than cropping. I personally feel that slight HDR based enhancements ...
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3 votes
2 answers
259 views

How does Lightroom group colors inside the HSL panel?

I am working on a small application that would allow the same functionality as the Lightroom HSL Panel: I would like my application to behave very similarly to how Lightroom does. Therefore I grouped ...
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4 votes
2 answers
247 views

How can I interpolate each color individually (i.e. export an image just with Red Color) using dcraw?

I'm doing a project where I need to export 3 different images from a raw file (DNG or RAF), each image with a different color (Red, Green and Blue). I'm using dcraw.c, Dave Coffin's raw photo decoder. ...
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5 votes
4 answers
591 views

How do I correct the huge blue-shift in these images?

I recently inherited a lot of images with a lot of blue on them (attached below) I would like to correct this, get the natural colours. I am just aware it was taken using a Nikon D60 18-55 VR lens, ...
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2 answers
4k views

Do I need a telephoto lens to make objects in the distance appear closer? [duplicate]

I have seen some photos where a far-away object looks much bigger compared to nearby objects. Apparently this is called lens compression and it has to do with the focal length of a lens. How can I ...
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1 vote
1 answer
239 views

Align 2 almost identical photos to be in the same position and proportions

I have 2 photos of the same building from different years (100 years difference). I want to align the new photo to match the dimensions and position of the old photo so both photos will look the same ...
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2 answers
376 views

Picture in Picture with distance in perspective

I have two cameras with the same specifications placed one in front of the other level and horizontal. I know the distance between them and the height of each camera. I want to create a picture-in-...
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2 votes
1 answer
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Is it possible to use imagemagic to build a composite image from multiple photos of a moving object?

I frequently have 10 photos taken from a tripod mounted camera, of an object moving across the field of vision. I know I can painstakingly combine these in PhotoShop/gimp to create one composite ...
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0 votes
1 answer
672 views

How to calculate image dimensions from camera parameters? [duplicate]

I'm using Raspberry Pi Camera v1 with the following parameters Sensor size: 3.67 x 2.74 mm (1/4" format) Pixel Count: 2592 x 1944 Pixel Size: 1.4 x 1.4 um Lens: f=3.6 mm, f/2.9 Angle of View: 54 x 41 ...
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9 votes
6 answers
4k views

What makes RAW files difficult for manipulation?

The only available tool able to create a RAW file is, as far as I know, a camera, and there are no standard tools to manipulate it. I've heard that's why RAW files are used in different photography ...
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1 vote
2 answers
120 views

3d fantasy almost type of picture, how do they do it?

Hi I have been seeing these nice house shots where it looks like the picture is in a fantasy type of 3d. It almost looks 3d modeled as opposed to just being a picture. Can anyone tell me how it's ...
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6 votes
3 answers
12k views

How can I edit equirectangular images?

How can I edit an equirectangular image that was taken with a Ricoh Theta S? I would like to add text and/or "stickers". Is this possible with a tool like ImageMagick? Sample as requested: And the ...
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-1 votes
1 answer
223 views

How to create shadows and highlights on a subject during photo manipulation in Photoshop?

What is the best method to create shadows (darken) and highlights (brighten) on a subject to match the lighting of new background image during photo manipulation in Photoshop?
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1 answer
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Is there any way of saving this blurry photo??? [duplicate]

http://i.imgur.com/Lb9FXGe.jpg Is there ANY way to save this blurry photo? I have photoshop. PLEASE HELP.
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4 votes
1 answer
225 views

Can this glitch be reproduced?

I used to own a Canon IXUS 400 that was glitchy. Here's an example of a glitchy photo that it took: This glitch has been documented here, and the manufacturers used to offer free repair of the ...
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2 votes
2 answers
1k 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 ...
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  • 489
2 votes
1 answer
201 views

Is the odd appearance of this owl's head due to an unusual camera angle, or bad photoshopping? [closed]

With reference to the below image (on Bing 2015-06-09) something just seems off with the bird's head. Is this a case of bad photo editing or just an unusual angle the bird was photographed from?
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2 votes
1 answer
517 views

How would I insert a huge object into a panorama photo with correct position and height?

I want to insert a large object into a panorama photo, in this case a wind turbine. However, I want the object to be at the correct position and it should have the correct height. The area has many ...
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1 vote
1 answer
87 views

Should addition of RGB values be used when adding lens flare to an image?

From the physical theory of lens flare, it is the image of the light source after many times of light reflection between the optical lens surfaces. So it would sound reasonable to add lens flare ...
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1 vote
1 answer
2k views

How can I effectively change the background of a portrait in Photoshop?

I have often attempted to change the background of a portrait image. But every time I try, the image of a person doesn't gel properly with the new background. It doesn't look seamless. Can some one ...
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1 vote
1 answer
1k views

Does shrinking the upscaled picture improve its quality (in terms of blur)?

Take a look at the following diagrams: The original picture: The upscaled (2x, bilinear) picture: In both cases the first item in the first row is the input image. There is its 2d fft next to it. ...
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1 vote
1 answer
118 views

How to Take out some lines and shadows in the background by photoshop?

I have some pictures like the following. I want to take out the black lines and shadow while keeping the red dots and foggy red background. I tried Clone Stamp Tool for some other pictures in ...
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2 answers
8k views

Bubble Effect on image (Photoshop or online)

I have a square image (300 x 300), and I'd like to apply the "bubble effect" as shown here: Specifically: I only want the "bubble" part in this example Make image round and give it that curved ...
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2 votes
2 answers
585 views

How can I remove all transient objects from multiple photos, leaving only the background? [duplicate]

I have multiple images of (let's say) a busy street. All taken with the exact same angle, and the people are moving around. It stands to reason that if I could compare all images and get only "the ...
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-3 votes
3 answers
159 views

JPEG image problem [closed]

So my problem is with one of the Jpeg's I am working with. The things with Jpegs is that if you change even the slightest part of its HEX file, the whole image just gets screwed up. I zeroed out about ...
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2 votes
1 answer
691 views

How can I wrap a new pattern around a 3D object in a photograph?

I have a problem with setting a pattern on sofas. The image below is a pattern that I set on a sofa: as you can see, the pattern comes from up to down in a straight line. This is wrong; I need it to ...
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1 vote
2 answers
920 views

How can I convert a photo to a fixed palette with pre-defined weighted color proportions?

I am creating a physical mosaic from a photograph, where each mosaic tile will correspond to a pixel of the (scaled down) original picture. The problem is: my tile color selection is limited, with the ...
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0 votes
1 answer
701 views

image enhancement to read car plate

A group of thieves entered in my house and robbed a lot of my stuff. They used a car to run away. The following images were obtained from CCV cameras from neighbors. Is it possible to improve those ...
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1 vote
3 answers
3k views

HDR smartphone cameras: is it done in hardware or software?

Let's say I want to take the highest dynamic range pictures with a smartphone camera. Do I need to look for a specific sensor with better hardware for HDR photos, or find the best camera app because ...
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3 votes
1 answer
601 views

RGB colour correction of CCD camera images [closed]

I've developed an application which is able to communicate directly with a CCD camera (unbranded and obscure) and I'm able to capture and store the image from this camera. When the image is first ...
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  • 133
0 votes
1 answer
2k views

How can I differentiate an Original and Photoshop Image [duplicate]

May be this is a wrong place to question this. But, please allow me to ask at least. We have some photography event in our office. So, we have mentioned the rule of date capture (like photo must be ...
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1 vote
1 answer
140 views

How can I prevent Aperture from rotating photos on export?

Maddeningly, when I export masters from Aperture 3.5.1 many (about half) of the photos are arbitrarily rotated to an orientation that they were neither taken at nor displayed at by Aperture itself. Is ...
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3 votes
2 answers
621 views

How can I mass cutout people from stock photos with arbitrary backgrounds?

I have pictures that are going to be used to advertise clothing for a kids clothes shop. I have a quite a large amount of photos (266 ). They are all similar to this: My job is to cut the ...
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1 vote
1 answer
133 views

How to do a flaming postprocessing effect?

I found the photo on the Internet: And I'm wondering. How is it even possible? Does this technique have a name? Any thoughts how to do it?
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0 votes
2 answers
675 views

Software/sollution for blending/morphing faces together

I'm looking for a relatively easy way to take several portrait photos of faces and then blend them together into a coherent face. For example, I'd like to create androgynous faces by combining ...
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4 votes
3 answers
53k views

How can I erase objects with Lightroom (rather than Photoshop)?

I have a picture shot on a white background, however the white background didn't cover the whole frame. The sides of the image show unwanted objects. I would like to erase these side parts such that ...
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  • 647
1 vote
2 answers
150 views

How do I blend a digital texture into a photo to give a canvas or rough paper effect?

I have seen other photographers use deviantart art work as backdrops in their photography with exotic outcomes. I haven't been successful in figuring out how this is done. Would anyone please share ...
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  • 13
0 votes
2 answers
185 views

How to create this early sun look?

I have seen lot of images that look similar to this, where there is this whitened light (image found on flickr) How to make image look like this in Gimp or Photoshop (prefered GIMP since I use GNU/...
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  • 287
2 votes
2 answers
2k views

How can I do automatic background subtraction with a reference image in Photoshop?

I plan on taking a series of pictures of people in a room, keeping a fixed position of the camera, and later remove the background. Essentially, although the background is complicated, it should be ...
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6 votes
5 answers
2k views

How can I best photograph white powder so I can later cut it out of the background but keep natural shadows?

I need to photograph white powder in a circle shape and still retain the shadow. I've tried photographing on different coloured backgrounds as shooting on white is too tricky to cut out. The ...
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3 votes
1 answer
24k views

How can I do something like Photoshop's warp tool with open source software? [closed]

Using Photoshop, I can edit an image by using tthe lasso tool and warp tool. I need a open source solution that will operate in similar way. I tried Gimp software, but there is no warp tool in that. ...
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  • 131
0 votes
1 answer
125 views

Slicing articles from a photo or pdf newspaper page [closed]

I have a pdf file which is a pdf format of a newspaper page that has many articles(image + text), same as the articles we find in the newspaper that newspaper vendor drops at our place everyday. I ...
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