A .sgi extension file saves images in the original Silicon Graphics Image format. These files are originated from the library of SGI images that were there on every Silicon Graphics machine. SGI files are also referred to as RGB, IRIS or Irix RGB., .sgi image files can be saved in 8-bit color, 16-bit or 32-bit color. GIMP has the compatibility to read and write .sgi extension files and also has a dialog box that pops up to help select the compression type. The preferred compression is RLE and while it reduces the file size, it is advisable to check once it is done to ensure that the file size is indeed reduced as sometimes the size is more than the actual file size.
A .hdr extension file is a High Dynamic Range image format that is also known as HDRI or a Radiance HDR format. A raster image or a digital photo with dark shadows or washed out areas can be rectified using HDRsoft to enhance the color and improve the brightness level. The Multiple pictures having different exposures can also be combined to create one image with an even distribution of color with the HDR software. As compared to standard digital imaging or photographic techniques, HDR imaging uses a high technology to improve the picture quality of an image by increasing its clarity, brightness and luminosity.
FreeFileConvert uses tuned encoding for SGI to HDR conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.
Upload SGI files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized HDR results on any device you rely on.
Process up to 5 files sized 1000 MB per batch without splitting queues manually. Mixed-format uploads convert together, producing consistent HDR audio with dependable progress tracking.
SGI is a generic raster image file format that stores black and white, gray scale and color images. Images in the SGI format are generic bitmap images that have the capacity to store 8 to 32 bits per pixel. The file size of the images can be compressed with the Run-length encoding (RLE) technique. The .sgi extension files begin with a 512 byte header that is fixed and is followed by the pixel data. There is a scan-line table in case of compressed images with the compressed pixel data following the table. The scan-line offset table indicates the start of every scan line in the data of a compressed image. Lots of bit planes, alpha channel data and / or color maps may be included in the files with .sgi extension. Contrary to the top-down order followed by other formats, the pixel data in .sgi extension file follows the bottom-up order.
A .hdr extension file has three section which are the header, a resolution string and the pixel data. The header starts with an identifier that the file is an image file and is followed by lines that provide information regarding the assignments and the series of programs and commands used to generate the image.
Upload your image file in the SGI format from your device, Dropbox, or Google Drive.
Select HDR as the output format and click Convert. Adjust optional settings if needed.
Download the converted image file. Each file stays available for up to 5 downloads.