This presentation is about digital imaging. It presents some information about the format types of images and other related issues like resolution, compression, raster & vector and color schema. It helps fresh photographers and graphic designers to get the fundamentals of digital image.
3. Common types of digital
image file formats
File Type Standing for Compression extension
JPEG Joint Photographic Experts Group lossy .jpg
TIFF Tagged Image File Format lossless .tif
GIF Graphics Interchange Format lossless .gif
BMP Bitmap lossless .bmp
PNG Portable Network Graphics lossless .png
PDF Portable Document Format lossless .pdf
RAW lossless
6. Raster vs. Vector
Raster image Vector image
Composed of pixels Composed of paths
7. Benefits Of Working With
16-Bit Images
8 bits image @ JPEG 16 bits image @ TIFF
Red Green Blue Red Green Blue
256 256 256 65,536 65,536 65,536
16.8 million colors 281 trillion colors
Compression: A technique that reduces the file size of bitmap images. Compressed images are used on web pages to improve viewing speed and performance.Compression decreases the file size, but has the added effect of degrading quality. Compare the insets in the left and right images to see the loss of detail.