Project 9: Resizing.

Project 9 is designed to help you understand how different forms of interpolation affect your work when resizing it and which are best to use. Below is a image i took of a heron fishing, if i wanted to make this shot larger for printing there are 3 main kinds of interpolation that i can use:-

1. BICUBIC
2. BILINEAR
3. NEAREST NEIGHBOUR

Original.

To see how these work and what effect they have you're asked to create 3 copies of you chosen image and then enlarge the image by 150% using each of the rework tools mentioned above, below are the result. What I've done is selected an area where the results are clearest when zoom in to 100% so that there easier to compare.

Bicubic.



Bilinear.

Nearest Neighbour.

The Bicubic image appears the best if a little over sharpened in places especially around the bottom where the beak meets the head and around the eye. In contrast the Bilinear image appears much softer when compared to the bicubic and almost feels like some of the detail has been lost in the enlargement process. Finally the Nearest Neighbour image appears the worst as the pixels appear much larger and obvious meaning that there's a clear loss of quality.

If i was to chose one to use when enlarging or reducing I'd got for either bicubic or bilinear because these seem to retain much more of the detail then nearest neighbour, i found that in my version of photoshop this process can be taken one step further because their are know specific version of bicubic for enlarging or reducing which make it a much more easier chose. Its wasn't something that i'd ever used before so i found the project both enlightening and useful for future reference next time i have my work printed.