Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [visual-artifacts]

Visual artifact is usually some kind unwanted result/object in an image, often due to lossy compression. Examples could be pixelation, "blotches", texture corruption.

1
vote
3answers
57 views

How to fix horizontal lines from JPG compression in an image?

I have a geometric wallpaper that I downloaded for my phone, but it has these horizontal lines in it, from what a presume is an artifact of JPG compression. Any thoughts on how to fix?
0
votes
2answers
75 views

Illustrator exporting strange artifacts with Visio objects

I created a PDF file via Microsoft Visio (a scalable diagramming tool). Later on I decided to make some changes. Visio kinda' sucks, so I decided to swap over and modify it with Adobe Illustrator ...
0
votes
1answer
124 views

How to remove artifacts at the edge of a GIF?

Open this image in Mozilla or Chrome browser, So you show the display some white pixels in the outer side of gif. I didn't apply any effect, just used two flat colors and round or text in that. How ...
0
votes
1answer
191 views

Red Suffers More Artifacts Than Other Colours. Why? [duplicate]

The Red Compression Issue Red is one of the colours I use most often in my graphic design for marketing. However, despite it being a good colour to use in marketing advertisements, it also suffers ...
-1
votes
2answers
171 views

Font hinting, and/or something else? Avenir Next letter U (mainly) appears larger and elevated

Avenir Next (mainly the bold weight, but also Roman) displays incorrectly at sizes around 20pt and at a viewing size of between 75% and 100% in the Adobe Creative Suite apps. The result is filling in ...
1
vote
1answer
445 views

How to fix PNG transparency artefacts?

I finally had this issue come up again today, and I'd like to track down what's causing it... Occasionally when saving/exporting a large PNG image (8000+px x 8000+px) with transparency (via ...
0
votes
0answers
325 views

Imported image looks good in Inkscape but pixelated in the exported PDF

I want to import some images into my design. I have removed the background in Gimp and when I import them into Inkscape they look almost fine: But when I export as PDF they are pixelated: What you ...
0
votes
1answer
354 views

Overlapping elements creating artifacts

I am creating a PDF for printing, and I got some weird artifacts on places where elements with the same color overlap. My workflow is from Illustrator to InDesign to PDF, and to be honest I dont know ...
4
votes
4answers
8k views

How do I optimize an animated gif for Google AdWords?

Creating GIFs designed for the Google AdWords platform can be tricky, given the file-size constraint of 150Kb. I looked for examples online and found this page: http://bannerspiration.com/gif Not ...
0
votes
2answers
4k views

Photoshop text layer has jagged edges

I have created a text layer in Photoshop. The corners of the text have jagged edges, how can I display my text without the jagged edges?
-3
votes
2answers
102 views

reasons of loss in image quality in subsequent photocopy [closed]

kindly give the reason of defect I have shown in subsequent photocopy made by Kyocera taskalfa 300i, kindly also describe the defect name and reasons. I am attaching the microphotograph image
1
vote
1answer
3k views

Why is my preview pixelated when not at 100% zoom?

I have this weird thing in Photoshop (CS5): When I'm zoomed in at 100% my lines are really smooth, but as soon I'm under 100% or over 100% they look weird, like this: This is how they look at 100%:
2
votes
1answer
53 views

Pattern brush imperfections on PSD file. Issue with faint lines on areas of artwork

I created a circular motif in AI based on circles populated by a self generated pattern brush. Having completed the work I exported the document as a PSD file to add some textures in Photoshop. On ...
0
votes
1answer
433 views

GIF Photoshop images are not clear after saving

I have created an image in Photoshop with three layers but after saving as a GIF and if I view it in Browser, the animation is dotted and not clear. If anybody has some idea why please share.
-1
votes
3answers
586 views

images become blurry after resizing ? gimp ebay

For ebay shop I've created this image: You can see that the image is perfect. but the problem that after I upload it to ebay. the quality is changed, and the picture become pixelated, as you can see ...
3
votes
3answers
337 views

How can I resolve this gradient issue on a TV screen?

I am having an issue with a logo designed for my company. The design consists of the company name with a circular gradient behind it. This image is used frequently on TVs, as it is for a film company,...
2
votes
1answer
506 views

adobe illustrator to pdf gives strokes around path [duplicate]

I exported my AI project to pdf and saw some weird white transparent lines between shape left is from ai right one is from pdf (look closely at hearth shape)
1
vote
0answers
86 views

Why am I getting dotted grey edges on my batch exported images?

I have created a script which batch exports an ai file into an SVG file and multiple sizes of JPG and PNG files. The script creates three directories in the parent directory of the directory the ai ...
0
votes
2answers
624 views

Why photoshop distort imported image?

I've made a screenshot of my phone screen and imported it in Photoshop by dragging from disk. However it's clean "as-is" image of the phone screen, it has appeared in photoshop slightly blurred. How ...
7
votes
1answer
83 views

Logic behind displacement of notches when avoiding inverse trapping artefacts in SVG

I have a question that is based on the GD@SE question, "Is there a reason Hillary Clinton's logo has hidden notches?". Like that questions, this question is purely about graphic design and not ...
3
votes
3answers
38k views

Scale down an image in GIMP without losing resolution

How do I scale down an image to a smaller size in GIMP without an unnecessary loss of resolution? I know that I am losing too much image resolution because when I downscale the same image using HTML ...
4
votes
1answer
749 views

Strange squares appear in halftoned PNG image with transparency

I have a strange issue with large, off-color "squares" appearing when I preview a PNG with halftones on a transparent background. This doesn't happen with all images (so far, I've only had the issue ...
1
vote
1answer
44 views

How to reduce web artfacts?

Got a real issue with web artifacts. I create a photoshop image with text and it's crisp, save it for web at 80% and still crisp. As soon as that image is rendered by a web browser it has a lot of ...
-5
votes
4answers
11k views

How can I get a sharp logo in my website?

When I upload my logo in png, it's coming with a pixelated white edge. When I send in jpeg, it's not sharp enough. How should I do it?
6
votes
3answers
4k views

How to get rid of these outline artifacts in an Inkscape SVG trace?

I can get good trace results in Inkscape converting a bitmap to a vector image - except for these persistent thin outline artifacts. They resemble a topographic map and pretty much ruin the trace. ...
5
votes
1answer
2k views

Space between 2 paths in Illustrator

How can I align 2 paths perfectly? No matter what I do I get a little space (gap between the 2 paths I create, and they are straight lines not as I saw in other questions with pixel problems) An ...
1
vote
0answers
236 views

Which HSV-noise values do not cause artifacts on an LCD screen?

I have come to notice that certain HSV noise filter values applied to a uniform background colour look horrible when viewed on an LCD screen under certain viewing angles. This is more noticeable on (...
1
vote
0answers
958 views

Photoshop suddenly shows artifacts on my file

I am running Photoshop CC on Mac OSX 10.9.1. Today I opened one of my PSD files this morning and all of a sudden, these artifacts appear in some layers that have some effects on smart objects (but ...
4
votes
3answers
108 views

Can adjusting color (or grayscale) properties of an image affect its visibility in daylight?

I'm trying to find ways to make images more visible under daylight (i.e., when daylight reflects off the image screen/print). For my project, I want to display digital images on an electronic display ...
2
votes
4answers
3k views

Save for Web & Devices in Illustrator CS5 Causes Artifacts on Large Files

I am saving with these settings: And ending up with weird transparent line artifacts: The ai file does not have this, and the path has nothing near the place where the lines are showing: From what ...
1
vote
3answers
94 views

What is the best technology for producing a video like this?

In order to produce a video like this... http://www.stumbleupon.com/su/1rjWQH/www.youtube.com/watch%253Fv%253Ddv4j4bguYYk What tool would you use? Flash? Or there's a better tool? Thanks
6
votes
2answers
1k views

Why are certain colors more prone to compression artifacts than others?

I most often see this with compressed video, but I've also seen it often enough with JPEG images. Many times blacks, reds, and other generally dark colors seem to be especially prone to compression ...
7
votes
1answer
3k views

Removal of scanning artifacts

I've had a couple of times when working with scanned images where the piece I need is obscured or otherwise blemished by things such as halftoning in the case of printed items or moire effects when ...