Compression | Photography | JPG | JEPG | Digital CameraShow Video Details ↓ Narrator: For every pixel we see in a digital image, the file must remember the color of that pixel. Compression is when the processor decides that two or more adjacent pixels, or pixels which are side by side, are so similar in appearance that they are changed to become the same color. This reduces the size of the file. However, if over compressed, image quality may suffer. Compression artifacts are visible and highly compressed images can appear as blocky chunks of color or noise that are unpleasing to the eye. In some cases compression can greatly reduce your file size without any discernible differences. In others, it can essentially destroy the appearance of your photograph. If you found this video helpful, you maybe interested in ordering my new DVD which is mastering the Canon 40D by yours truly. It has over three hours of these types of lessons which are aimed at helping beginning and intermediate photographers get the most of the Canon camera. It can be ordered from the following link. [silence] |