Thread by @MunirSpatial

Compressed image formats are a great way to reduce file size without sacrificing image quality. There are several compressed image formats that are commonly used in GIS (Geographic Information System) applications. #gischat #geospatial #gis

ECW (Enhanced Compression Wavelet) is a proprietary compressed image format developed by ERDAS. It's commonly used for compressing large raster images, such as satellite imagery and aerial photography. ECW files can be handled by software ArcGIS, Global Mapper, and ERDAS Imagine.

MrSID (Multiresolution Seamless Image Database): LizardTech's proprietary format that is similar to ECW. It's commonly used for compressing large raster images and can be handled by software such as ArcGIS and Global Mapper.

JPEG 2000: An image compression standard that uses wavelet technology to achieve higher compression ratios with less loss of image quality than JPEG. Software such as Adobe Photoshop and GIMP can handle JPEG 2000 files.

BPG (Better Portable Graphics): A relatively new image format that uses HEVC (High-Efficiency Video Coding) to compress images with better quality than JPEG at smaller file sizes. BPG files can be handled by software such as XnView and GIMP.

FLIF (Free Lossless Image Format): A lossless image format that uses a combination of advanced compression techniques to achieve very high compression ratios. Software such as ImageMagick and XnView can handle FLIF files.

JNG (JPEG Network Graphics): A format similar to PNG that allows for lossy or lossless compression, as well as embedded alpha channels for transparency. Software such as Adobe Photoshop and GIMP can handle JNG files.

JP2 (JPEG 2000 Part 2): An extension of the JPEG 2000 format that adds support for advanced features such as 3D imaging and advanced color spaces. Software such as Adobe Photoshop and GIMP can handle JP2 files.

WDP (Windows Media Photo): A format developed by Microsoft that uses wavelet compression to achieve high compression ratios with minimal loss of quality. WDP files can be handled by software such as Windows Photo Viewer and Adobe Photoshop.

WebP: A newer image format developed by Google that uses both lossless and lossy compression to achieve smaller file sizes than JPEG and PNG, while maintaining good image quality. Software such as Adobe Photoshop, GIMP, and XnView can handle WebP files.