Advice 1: How to change picture resolution

Each image file has its resolution which is measured in pixels. The volume of photo or image in mega pixels can be obtain by multiplying the number of pixels width for the number of the height of the graphic file. At the same time, to quickly transfer large images via e-mail and to save space on the flash drive or disk, the resolution of the images are often subjected to change.
How to change picture resolution
You will need
  • The Program Paint.NET
Instruction
1
To reduce file size is usually reduced and the picture resolution. To change the picture resolution will require even the most simple graphics editor. For example, is quite rich on features, free Russian photo editor Paint.NET. You can download it here: www.paintnet.ru/download/. Set Paint.NET takes up very little space on your hard drive, and its interface is comprehensible even for inexperienced user.
Install Paint.NET launch it, open the picture whose size you want to change. Go to menu "File" – "Open". After the picture opens, click on the toolbar "Image" – "resize". In the window that appears, select "Percent" to change the resolution of the image in percentage. If you want to pre-set resolution, such as 800 pixels wide, choose "Absolute size" and enter the desired parameters. Tick the option "Maintain aspect ratio" so that the picture is not stretched out and does not flatten.
2
The picture with the new resolution ready. In order not to lose the original file, which may be useful in the future, do not overwrite it, select "File" – "Save as" and save the resulting image with the new resolution in the desired format at any convenient location such as the desktop or in the folder "My images".
Note
Do not try to improve the picture quality by increasing resolution, in other words, don't make small images large. It will only lead to blurring and fuzziness of the picture.

Advice 2 : How to change the resolution of the picture

There are many different options for changing the resolution of the images. Since this requires one of the graphic editors, it is easiest to use one that is at hand. Consider a way to change the permissions using the graphic editor Paint, which is installed on any computer with Windows operating system.
How to change the resolution of the picture
Instruction
1
To start Paint, click "start" (button in the left menu of the screen) and select All programs, then Accessories, and click Paint.
2
Add to Paint a picture. To do this, press the menu button in the quick access toolbar (in the upper left corner of the program window and click "Open". A window will open where you will see the contents of your computer. Locate the folder that contains the picture and click on it twice.
3
After the image appears in the Paint window, click "Change size", which can be found in the menu at the top. In the menu "resize and skew" option, select "Pixels" and "Maintain aspect ratio". Enter the desired numeric value horizontal, then the vertical value will automatically be installed. Click OK and the picture will change its size.
4
You can now save the result. If you wish to keep the original version of the image, then click on the menu button and select Save as. Enter the name of the picture , and select the folder in which it will be saved. If you don't need to save the original image, just right click on the disk icon in the menu. The picture with the new resolutionm overwrites the original file.
Note
The described method is suitable for computers with Windows operating system versions Vista and 7.

Advice 3 : How to reduce pixels in photo

To publish on the Internet photography should be optimized. Otherwise they would weigh too much and many people may have problems with their downloading and viewing. If you want the picture lost sharpness and quality when reducing, it is necessary to know some rules of optimization and image compression for the Internet publications.
How to reduce pixels in photo
Instruction
1
Do not convert or save the pictures to JPEG – this format does not provide sufficient compression, and you can get a small photo of poor quality and large size. Convert the original photos to TIFF or PSD, if your camera shoots in RAW. If you have a simple camera, shooting directly to JPEG, save all photos as TIFF or PSD.
2
Open the photo in Photoshop and perform retouching and color correction, correct the white balance, and if necessary, adjust the brightness and contrast, eliminate noise defects. Preparing a photo to slimming, save the original in a separate folder and work from the copy.
3
To begin, open the Image menu and under Image Size select the desired size pictures. Find in this section the block Pixel Dimensions and if your picture has a horizontal orientation, set the width to 800 pixels, and frames for vertical orientation, set the height to 800 pixels. Make sure that the scale of the photographs is equal to 100% and click Filter.
4
Section select Sharpen>Smart Sharpen and apply a filter to photos, setting the following options in its settings: Amount: 300, Radius: 0.2, or Amount: 100, Radius: 0.3. Watch for any changes in the pictures in the preview window. After getting the result you want, save the image.
5
There is a more complex method of reducing photos without losing quality, in which the processing of the photos to start with converting it to Lab. To do this, open the Image menu and select Mode>Lab Color.
6
Then go to Image Size and the block Pixel Dimensions set to horizontal photos width of 3200 pixels and a vertical height of 2,400 pixels. Scale image reduce to 50%, and the palette channels (Channels select Lightness.
7
After that, open the filter menu and choose Sharpen>Unsharp Mask with the following settings: Amount: 150-300mm, Radius: 0.8-2,0, Threshold: 15-30. Check whether the increased image noise. Open again the Image section Size and set the width value to 50%, then return the real pictures and in the palette view, select, as in the previous case, the Lightness channel.
8
Open the filter menu again and select Unsharp Mask by setting all values to 50% of previous values. To channel And apply the Blur filter, and then the same filter will apply to channel B. Then go to Image and select Mode>RGB Color. Convert the photo back to RGB, save it.

Advice 4 : How to increase the resolution of the pictures

One of the important properties of digital images, directly affecting their display and printing, is resolution. The resolution is expressed in dots per inch and sets the ratio between physical dimensions of the raster and its geometrical dimensions. Sometimes the resolutionm erroneously called the dimension of the raster image. The resolution value is stored in the image files. Images taken with digital cameras and other devices for taking pictures are often low resolution, which is perfect for viewing them on the screen. But in this case, before printing, it makes sense to increase the resolution from the pictures.
How to increase the resolution of the pictures
You will need
  • Graphics editor Adobe Photoshop.
Instruction
1
Open the photo in Adobe Photoshop. To do this in the main application menu select "File" and then click "Open" or hit "Ctrl+O". In the appearing file selection dialog navigate to the directory with the photo, select photos in the list and click "Open".
How to increase <strong>resolution</strong> <b>photos</b>
2
Open the dialog box for changing the dimensions and resolution of the image. Press Alt+Ctrl+I or select menu "Image" and "Image Size...".
How to increase <strong>resolution</strong> <b>photos</b>
3
Change the resolution of the image. Copy to clipboard the value of the "Width" control group "Pixel Dimensions" dialog "Image Size". Set the mode to proportional changes in the fields "Width" and "Height" if it is not installed. To do this, click on the chain next to the boxes. In the drop-down list, the next field for "Resolution", select "pixels/inch". Change the field "Resolution". Enter the requested resolution value. Paste from the clipboard the value in the "Width" control group "Pixel Dimensions". Click "OK" in the dialogue.
How to increase <strong>resolution</strong> <b>photos</b>
4
Save a copy of the image. Press Alt+Ctrl+S or click "File" and "Save As...". Set the save options in the dialog. Click "Save".
How to increase <strong>resolution</strong> <b>photos</b>
Useful advice
If you want to change as a logical resolution of the image and its size in a big way, select "Bicubic Smoother (best for enlargement)" in the drop-down list at the bottom of the dialog "Image Size".
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