16052010 HDR

Cuba proses gambar menggunakan perisian Photomatix bagi menghasilkan foto HDR (High Dynamic Range). Gabungan 5 exposure untuk satu gambar yang sama. Foto ori dalam format RAW diubah exposurenya dan disimpan dalam format tiff dalam perisian photoshop. 5 fotoberkenaan di proses dalam photomatix, dan kemudian disunting semula menggunakan perisian photoshop... sangat lama bila kita hanya ada satu foto, bagaimanapun untuk lebih cepat kita boleh set pada kamera untuk mendapatkan 5 exposure yang berbeza... beberapa foto dibawah sebagai contoh... bukan tercantik, masih dalam pembelajaran tapi cukup untuk dijadikan contoh.

* boleh rujuk dalam majalah :- Digital Camera Magazine (issue 53, May 2010)

In image processing, computer graphics, andphotography,high dynamic range imaging(HDRIor justHDR) is a set of techniques that allow a greaterdynamic rangeofluminancesbetween the lightest and darkest areas of an image than standard digital imaging techniques or photographic methods. This wider dynamic range allows HDR images to more accurately represent the wide range of intensity levels found in real scenes, ranging from direct sunlight to faint starlight.^[1]

The two main sources of HDR imagery are computer renderings and merging of multiple photographs, which in turn are known as low dynamic range (LDR)^[2] (also calledstandard dynamic range(SDR)^[3]) photographs.

Tone mapping techniques, which reduce overall contrast to facilitate display of HDR images on devices with lower dynamic range, can be applied to produce images with preserved or exaggerated local contrast for artistic effect. :- petikan dari 'wikipedia'