Download Blur Compressed File

Whenever an image is resized, it seems that the image becomes very slightly compressed, and dark areas become slightly pixelated due to this compression. This happens even if I tell it to render at full quality as I will explain below.

At first I assumed this was some problem with the interpolation method, but when I dug deeper, I realized that the image infact still becomes compressed even when resized to exactly the same size!?.

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From @Fordi in the comments (Don't forget to upvote him if you like this):If you dislike blurring, use -sampling-factor 4:2:0 instead. What this does is reduce the chroma channel's resolution to half, without messing with the luminance resolution that your eyes latch onto. If you want better fidelity in the conversion, you can get a slight improvement without an increase in filesize by specifying -define jpeg:dct-method=float - that is, use the more accurate floating point discrete cosine transform, rather than the default fast integer version.

Without the Gaussian blur at 0.05 it was around 261kb, with it it was around 171KB for the image I was testing on. The visual difference on a 1440p monitor with a large complex image is not noticeable until you zoom way way in.

Below a screenshot from the footage, normally it is all crisped. Recording directly from the ATEM mini to a harddrive, previously everything worked normally. Any idea what the problem is? Also on other PC it is blurry and compressed.

@Pau I have an issue also losing the quality of the uploaded images but in my case I lose the quality when doing the upload to prismic media library. I have an png image that is 1920x960 that when I open it locally it looks fine but when I see a preview after uploading it to the media library it looks all blurry, same as when I use it in my site, even with the enhance argument. Is prismic compressing the images at when uploading ?

A week or so ago a strange thing started happening with 2 of my Pro 4 cameras: every 2 seconds, video blurs then gets clear again. This happens continuously unless I enable autofocus which seems to eliminate the issue (or at least I haven't noticed cycling from blurred to clear every 2 seconds) but I don't want to leave this feature on.

One thing I noticed tonight: after the sun stopped hitting our backyard (sun's still out, but there's no direct sunlight hitting anything) the cyclical blurring seems to have stopped. Very strange. I guess bright light may have something to do with it? Who knows. Mysteries like this drive me nuts.

They blur for 2 seconds (like a buffering), and go clear.. and then 2 seconds later back to a blur.. it seems like it's very compressed video and doesn't show its true quality for a 2K camera by any means. It barely holds 1080p quality in my opinion .. I don't know what's going on but I am glad I am not the only one.

Yes, the video quality when it finally "clears" every few seconds is well below what I'd expect for a 2k camera. It's still very splotchy and blurry. It's like the compression is going nuts. Oddly, when the cyclic blurring subsides (when the light outside dims before sunset, possibly before full sunrise but I haven't checked that yet) the video appears to be full-quality. It's only when it's cycling with blurriness that the quality takes a nosedive.

I could rotate the cameras, but one is always facing away from the sun (one's on my house looking out toward my backyard, the other is in the corner of my hard facing my house) so the sun is always not in one or the other's face, but both cameras have the cyclic blurring issue when it's bright outside. The one attached to my house is directly under the overhang (eave? my house terminology is weak) so even when the sun is sort of in front of it, it's not getting blasted by sun until the sun is positioned lower in the sky during sundown.

Adding some video evidence of what's happening. Hopefully this site will allow me to upload videos. It looks like it's possible. I have two sets of videos: one for my "Backyard" camera attached to my house, and another for my "Backyard and alley" camera in a tree in the opposite corner of my yard from the Backyard camera. Each set has two videos: one "daytime" with the cyclic blurring, one "evening" with no cyclic blurring. I don't know if these help or are just curiosities, but I'm posting them in case they're useful.

I'm still working with Arlo support folks trying to narrow down the problem. My latest assignment is to switch cameras around and see if the problem persists. The camera on the side of our house hasn't blurred, but both cameras pointing at our backyard have blurred. I swapped the side-of-the-house camera and one backyard camera, and now I need to grab some video and send it in to show what's happening (the camera that moved to the backyard is now blurring). It's been a long process for sure. Hopefully this is getting closer to a resolution.

Shadows/highlight compression is one of the fundamental tools in image processing.

Used with moderation, it can rescue images for which the dynamic range is too big to be properly displayed. However, it is a tool in which the actual algorithm being used plays a crucial role one the quality of the result. Shadows and highlights have to be separately processed without creating visible and unpleasant halos. This is usually achieved through various forms of edge-aware blur operators.

It seems that you are using the " WP-Optimize - Clean, Compress, Cache " plugin that compresses the images that make the image looks blurry. I would suggest you delete the compressed image or deactivate the plugin temporarily and then upload a new image then check it again.

If you also look at your Post Content block, the whole width is 1100 pixels. Since you have used two columns, the image width should be at least 550 pixels. With this width, you cannot simply use the thumbnail or medium because it is too small. It will be stretch out to cover the entire column. This is why it is blurry.

Hoping somebody can help. Some of my product images appear blurry no matter what size/format I use. I've tried uploading as jpgs, pngs, at 1024 resolution, 2048 etc but nothing has made a difference. I contacted shopify help but they didn't know either. The images are high resolution and super crisp/clear when viewed on my computer. But on the main product page they appear super blurry. Anybody have any idea why or what the solution might be? I've tried compressing, not compressing, different aspect rations etc. I've attached a screenshot below. Note: It's all of the same image because I'm just trying to figure out which size/setting makes it look clearest, but none of them appear clear. I'm using blockshop theme by troop themes.

On my site, product photography and any other graphics that I use are all over 4000 pixels x 4000 pixels with 300 dpi. I don't recommend starting with a base of anything less. I do not compress them before uploading and use the built in Shopify image editor to adjust the file size of the image to be more appropriate for the web. The only time things come out blurry is if I miss-focused the image when taking it.

I realize this was some time ago and I found your advice interesting. I am experienceing the product images a little blurry when they go to full page on Shopify. I have also tried uncompressed and compressed, png and jpg. Shopify advised me to use jpg for reasons not to slow down webpage speed. So I use hires scanned images, make them between 1080 and 2000px at 96dpi to protect the images and to speed up page load. However, not happy with product images when clicked on cover the full page. When I had my images larger on Shopify the site speed was shocking even when compressed.

Though it's true that the motion blur setting doesn't seem to do much of anything, I'm not sure what the video is supposed to demonstrate. Stream compression is already blurry and I don't notice any differences occurring within it.

When Joel on the video starts to descent on a griffon, you can see the screen getting increasingly blurred towards the edges. That's the classic "we're going at a high speed!" kind of motion blur most commonly employed by racing games.I believe this is the only moment in the stream where someone moves fast enough for motion blur to kick in.

@"ZEUStiger.3590" said:When Joel on the video starts to descent on a griffon, you can see the screen getting increasingly blurred towards the edges. That's the classic "we're going at a high speed!" kind of motion blur most commonly employed by racing games.

The character model is less blurry because it's a camera fixture that does not change much from frame to frame. Parts of the environment that the camera is focused on will move less in relation to the camera, and therefore exhibit less motion blur when processed. And obviously, the faster the image is moving the more blur you're going to get. That is not really an applied effect as much as it is the definition of motion blur. You have not isolated the blur in your screenshot as anything that is actually unique to that sequence. It is observable throughout the video.

Further inspection of the source video reveals that it is exceptionally blurry to start with. The stream was encoded at 1080p but the quality looks worse than 720. It's possible that this results from their production process and a pre-stream compression being applied to the game footage, or a lower resolution capture being fed to the stream encoder. Compare it with any other GW2 stream on Twitch, which are much higher quality. Oh yeah, and it's 30 fps. You are almost certainly mistaking compression artifacts for in-game effects. e24fc04721