Inverting the Image and Colourising

First I got my original image and, using the hue/saturation tool, I created a completely destaurated image. So it was my original picture was now in greyscale.This made the image similar to the style of Fox Talbot and Maholy-Nagy. Then by using the invert button, the image was now in negative (below). I like the way this turned out but i added to it by going back onto the hue/saturation sliders and colourising it. Then once I had done that I adjusted the colour so it was a purple colour. Then, using the levels tool, I made the image darker.

These are the screenshots from the photoshop window.

Feedback #1 Term 1

Well done Sam - this is a thorough and detailed record of your development work so far on Photoshop with accurate use of technical terminology. You are clearly experimenting independently with the tools learnt.

Changing Colour in Sections

Another way to change the colour in a photo is by selecting one section of it, in this case the bridge, and adjusting the hue/saturation of that particular part.
- Firstly I unlocked the background layer and then created a new, blank, layer on which I would put the copy of the bridge.
- Next, I used the magnetic lasso tool to go around the outline of the bridge, then I copied it and pasted it into the blank layer, in the same position as the original bridge.
- This copy of the bridge is on top of the original photo so when the colour of it is adjusted it is the only thing that is changed, not the whole photo.
- I adjusted the hue from 0 to -3, the saturation from 0 to 48 and the lightness from 0 to 5. this is shown in the print-screen below.

Colourising Photos

Another way to change the colour of an image is to colourise it which involves changing the whole colour scheme of the image so that it is all different tones of one colour, in this case a sepia brown colour.
To colourise the picture (right), I had to go to the same box as the hue/saturation tool, and click on the 'colourise' tick box. Then I had to change the 'hue slider' to a colour which I feel best suited the photograph. This effect has made the photo look like an old style camera. I like the way that there are different tones of the brown colour throughout the image.

Adjusting Hue and Saturation

There are 3 variables that can change the colour of a photograph, they are hue, saturation and lightness.
On these photos I changed the hue and saturation to bring out the colours on the bridge and in the sky.

- Firstly I unlocked the background layer so it could be altered.
- Then I copied the layer so that when I adjusted the hue and saturation it wouldn't be too bold and it will blend the colour of the two layers, while changing colour.
- Then selected the sky area using the magnetic lasso tool, with a 100pt feather effect so there were no rough edges, and then adjusted the saturation from 0 to 42 on the slider. I thought this was enough so that it didn't become overly saturated.
- The next thing I did was, once again, select the bridge using the magnetic lasso tool, and adjusted the saturation from 0 to 47, and this time I adjusted the hue a little, from 0 to 7. This has made the bridge brighter and I shows the colours of it much better, in my opinion.

Using Levels

On these pictures I have changed the levels in two stages; first the sky, then the road. I selected the area I wanted using the magnetic lasso tool and put a 100pt feather effect on it so that it rounded the edges and made the changes more realistic. Then for each selected area I accessed the levels histogram and tweaked the sliders so that there was more colour vividness in the photos.

- The histogram is the graph of the amount of pixels of each in the image and it shows how much of the RGB (red, green, blue) is shown in the photo.
- An under-exposed image is one where there is not enough light in the photo, also the histogram is at one side and not even. A correctly exposed image is where the histogram is spread over the entire tonal range and there is the correct amount of light in the photo. An over-exposed image is where there is too much light in it and once again the histogram is uneven.
- A high-key image is where there are mostly white pixels in the image and it is the opposite for a low-key image where there are mostly black pixels in it.
- You can use levels to improve my image my making colours more vivid and this makes the image look less washed out.

Cropping tools

The cropping tool is used to change the composition of the photograph. In the photos above I have cropped the left one so that the picture is now more focused on the road and the telegraph pole. I chose to compose it this way because the original had too much sky in my opinion. I used the rule of thirds, with the road taking up two thirds of the picture and the telegraph pole taking up the other third. I think this makes the framing of the photo better than the original.