Reducing image compression on iPad2

Like other users have noted on this forum, still images recorded on the iPad2 are really grainy. This is more than low light... I was trying to take some pictures of my wife holding our first grandchild today in good light and was reminded how much I hated this camera. I emailed the image from the iPad-2 to my gmail account and opened it in ImageJ. The RGB image is 960x720 px. An uncompressed TIFF version is 2073754 bytes, a 154 byte header and the expected 960x720x3 bytes of data (1 byte per color record). The jpg from the camera is only 292303 bytes - only 14% of the size. This is quite a lossy compression!!! Storing this same image as a PNG with a lossless compression, results in an image that is 1452130 - or 70% of the uncompressed size. Most serious image processing programs (including ImageJ) permit the user to specify the JPG "quality" - i.e. compression ratio as an integer from 1-100. The higher the value, the lower the compression and the better the quality. The artifacts from the discrete cosine transform used by the JPEG compression are easily visible in the expanded image.
I spent some time looking through the settings for the camera on the iPad2 and cannot find any way to reduce the compression to get better images. Although I looked through many menus, I could have missed something... Has anybody found a setting to change the compression of the still images from the camera? Surely the Apple developers did not hard-code this important parameter. But I sure couldn't find a way to change it...

We may split packages and move the unnecessary images out
This includes stuff like icon themes and wallpapers and any other graphic that is not important
If Arch has something like USE = " . . . ." in Gentoo then we may make use of it there
Like we have Kdemod on a separate mirror with packages named kdemod-* we may build a mirror for graphics - reduced packages
Users with slow connection will install their DE from there. Anyway the bottle neck will be in their connection and not the server so few mirrors will do
If they want to add graphics to some package they may uninstall it and install the standard package instead

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Unwanted image compression on laptop with E61

Hi, I'm using a Nokia E61 with Tmobile Web 'n' Walk Plus to connect my laptop to the internet. No real issues except automatic compression of all images, so that they appear grainy. Mousing over tells me that pressing Shift + R will improve the image quality, and Ctrl + F5 will reload the whole page. But I want quality graphics all the time, and not to have to reload all the time, which of course has the opposite effect of increasing bandwidth, not reducing it! Can anyone tell me how to turn off this compression? There is no obvious way in PC Suite settings that I can see. Cheers.

What/who is doing image compression for you, exactly?
How do you transfer your pictures from the phone to your PC?
Are you using the PC Suite "Store images" feature, or something else (such as the "File manager")? Neither of those does any kind of automatic image compression on my PC, as far as I can tell.

How to prevent image compression in Image tags

I have an image that I want to put ontop of a panel who has a solid background color. The background color in the image matches the backround color of the panel. However due to what I believe is compression, the image's color is checkered and doesn't match. I saw somewhere about controlling this compression in cs3 but I didn't see the global setting, or preferably a per image setting in flex for this. Any ideas?

"image compression" generally refers to efficient ways of storing image data, not its display. I think you are describing artifacts from scaling images. If the image is not of the same resolution as you wish to display it there are various algorithms for reducing or expanding the resolution of an image. In most algorithms, if the image background is truly a solid color, it would be rare to see artifacts, but if there are slight variations in the color because it is a photograph or scanned image then artifacts are more likely.
There are various filters and blend modes you can try. Note that, unless you have other intentions for the image, you've spent extra bandwidth download pixels you'll never need and extra CPU cycles trying to filter and blend them. Products like Scene7 can help you download just the pixels you need.
Alex Harui
Flex SDK Developer
Adobe Systems Inc.
Blog: http://blogs.adobe.com/aharui

Is there a way to avoid image "compression/downscaling" on the iPad yet??

Is there a way to avoid image "compression/downscaling" on the iPad yet??
I'm sick of saving/downloading/transferring images to my iPad, only to find them being downscaled when saved to the device..
Is anyone aware of a way to change this?? <edited by host>
I would very much like my images to remain the original resolution..
Thanks!

Nothing has changed. If your camera transfers raw images to the iPad, these are not touched. Copies that work with the iPad's resolution are also created during the transfer. When you sync with your computer the untouched raw images are what get transfered.
But the iPad is a viewinf device, not a transfer device from computer to computer, so if you sync photos from your computer to the iPad, those are provisioned to the iPad's resolution.

How to reduce image file size in spreadsheet

I have created a spreadsheet that contains cells with small amounts of text, and images that I brought in from the Media Browser from iPhoto. This has caused the file size to become HUGE, on the order of 234 MB. Saving it as a pdf only reduces it to 220 MB.
I have tried the Format>Image>Reduce Image File Size, as well as File>Reduce File Size, but in both cases, those options are grayed out.
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When you insert a picture in a cell, it's used as a background.
To do that, the app keep it in a size allowing it to accomodate the larger cell size permitted.
If you want to get small images matching the cell size which you use, you must reduce the picture by yourself before inserting it. For instance, cells are often 72 * 16 pixels ones so you may reduce your pictures so that thir width become 72 pixels.
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Look at this example.
In B4 is the original : 202 x 177 pixels
In C3 is the reduced one : 72 x 63
in B2 is the reduced one in a 202 x 177 pixels cell. It's awfully pixelized
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Yvan KOENIG (VALLAURIS, France) samedi 10 septembre 2011 16:50:24
iMac 21”5, i7, 2.8 GHz, 4 Gbytes, 1 Tbytes, mac OS X 10.6.8 and 10.7.0
My iDisk is : <http://public.me.com/koenigyvan>
Please : Search for questions similar to your own before submitting them to the community

Iphone 6 photo image compression/ quality loss

iPhone 6 and 6 plus have pretty remarkable cameras. But oddly, Apple doesn't seem to want you to keep the high quality images and videos you take. As soon as you email let's say a 3.5 mb photo image, you are asked what size you want to email it in and given a series of compression options. Once you make the decision the first time, that decision is permanent. Apple does not really warn you that you are about to permanently, massively compress (destroy) that original image. There should be a better way to preserve original image files. The email compression decision should impact only that email -- not the master image file. But it does.
Also, if you take an amazing video on your iPhone 6, when you put that video in photostream or in the cloud or email it, there is no warning to you that you've just massively compressed the video. I took a video that was close to 10 mb, emailed it to myself to save it, then had to wipe my phone because of a problem. When i reinstalled and opened the video, it was about 10% of the size of the original video. Original gone. No warning.
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Howdy elkspark,
If your camera photos still dont look quite right, I would recommend taking a look at this info from the following article to help determine what might be causing this to happen:
Get help with the camera on your iPhone, iPad, or iPod touch
Your photos are blurred or out of focus
If your photos are blurred, out of focus, or have dark spots, try these steps:
Make sure that the camera lens is clean. If you need to clean the lens, use a microfiber cloth. If you see dirt or debris inside the lens, take your device to an Apple Retail Store or Authorized Service Provider for more help.
Make sure that there’s nothing blocking the camera lens. If you’re using a case, try removing it.
With iPhone 6 Plus, a metallic case or magnetic lens could interfere with optical image stabilization. If you have a metallic case or magnetic lens attachment, try taking a picture without it. Then compare the quality.
Adjust the focus by tapping on the person or object in the preview screen. You’ll see the screen pulse or briefly go in and out of focus as the camera adjusts. In photo mode, try to stay steady when adjusting the focus. If you move too far in any direction, the camera will automatically refocus to the center. In video mode, you can adjust the focus before you begin recording.
Thank you for using Apple Support Communities.
Regards,
Sterling

Extracting information about image compression settings

Hi,
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Thanks,
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Hai,sir this is surendra i am doing a project using jsp and mysql.
In that each user can put his image and i am storing that image in mysql blob but that results to that database size.
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There's no need to store images in db. You may store them in a dedicated folder.

What is image dpi after "Reduce Image File Size"

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As fruhulda wrote, asking Pages to apply changes to the pictures isn't the good path.
In fact, it's a perfect way to get a fat file.
My practice is :
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Edit the picture files in a tool dedicated to this task so that the resulting files will be 300 dpis ones for the wanted sizes.
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Best practices for image compression in dps

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And this is also the case with static background images?
Thanks for your help!

All images are automatically resampled based on the size of the folio you make. You can drop in whatever resolution image you want, it doesn't matter.
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Can anyone help me figure out how to best reduce images for fast web loading (in slideshows in Muse). I have done the save for web in PS and they are super pixelated now. The only versions that do not lose quality are the original size and they are huge files. Any help is appreciated.
Also can anyone tell me how big each image should be, what is considered a too big size (kb) for web images? Thanks Hillary

The settings I used were in the save for web panel and I saved the image as "medium" and the quality was 30, optimized was checked and it was scaled down to 16kb instead of 700kb. Is there a guideline as to how large in kb an image should be for good loading, it seems like with faster internet speeds we can go a bit larger for asset size. Is it OK to have an image as 65 kb if it is quite large (8 inched wide)?
I think I solved the problem. I just went in and saved the images as larger quality. I hope it does not slow things down too much. Any advice would help.

DESPERATE Image compression help needed!

Hi,
im doing image compression techniques for my final year project and desperatly need some code written in java to compress a image file using the huffman code. im using the BufferedImage class to store the image (jpeg) and need a a bit more code to do the huffman coding! i have tried most places on the net, but all they do is describe what it is! not how it is implemented!
Thanks!

If you are talking about just huffman coding, then it is pretty easy. However, if you are talking about writing a JPEG compression algorithm, it's not so easy. You have to take into consideration the sampling of Y to Cr and Cb, the quantization values, the huffman tables, headers, # of components, etc...
Here are some links:
http://www.cs.sfu.ca/undergrad/CourseMaterials/CMPT479/material/notes/Chap4/Chap4.2/Chap4.2.html
http://archive.dstc.edu.au/RDU/staff/jane-hunter/video-streaming.html
http://www.cs.sfu.ca/CourseCentral/365/li/material/notes/Chap3/Chap3.3/Chap3.3.html
http://memory.loc.gov/ammem/pictel/mddp308.htm
http://www.faqs.org/faqs/jpeg-faq/
http://www.webreference.com/dev/graphics/compress.html
http://vip.cs.utsa.edu/classes/cs1723s2000/robbins/recitations/HuffmanCaseStudy.html
http://www.compressconsult.com/huffman/
http://www.wotsit.org/
http://xarch.tu-graz.ac.at/home/rurban/news/comp.graphics.algorithms/msg00050.html
http://cvs.bioperl.org/cgi-bin/viewcvs/viewcvs.cgi/biojava-lims/third/JpegEncoder/JpegEncoder.java?cvsroot=biojava&rev=HEAD
http://www.montefiore.ulg.ac.be/~briquet/imgsvr/JPEG.java
The last two links provide implementations. I think the last link is probably the simplest
implementation I've ever seen for JPEG. It works, but it's not great :)

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There is no way to set image quality in n73 (only image size).
Default image compression destroys otherwise good photos by JPG artifacts. Are there any alternative programs i could take photos with that would save images with less compression (better quality)? Or maybe someone already came with a hack to up the compression quality in firmware?
What point is there in putting good lens with high resolution when compression shreds image so you have to downsize it 2-3 times to get decent image quality?

The discussion boards are a user-to-user troubleshooting facility, it could be that none of our members are familar with your specific problem or have a solution to it.
If you require a direct response from Nokia, contact Nokia Care in your country by telephone or e-mail and they will be able to look into your problem with you in detail.
If this or any post answers your question, please remember to help others by pressing the 'Accept as solution' button.

How to Detect Image Compression

In an existing document from somebody else, how can I detect what type of image compression was used, such as JBIG2?

In an existing document from somebody else, how can I detect what type of image compression was used, such as JBIG2?

Does reducing image size reduce image quality?

i 'm new to AI and also to this forum.
I know that enlarging and image can reduce image quality.
I'd like to know if reducing the image size (not in pixels, but in actual size),
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i have a Ai file that's 600x300, and need to reduce it to 300x120 my websie.
Before I convert it to a web format, I want to reduce this large Ai file to 300x120.
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thanks!!!!!

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Reducing image compression on iPad2

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