Video filters are a collection of VFT plug ins (Video Fidelity Tools).
Ulead VideoStudio 10+ comes with a collection of 48 Video Filters but you can increase your collection by obtaining more such as FX Bench
by forum member Stefan Burger
. FXbench is FREE and comes with 193 predefined filter definitions that can be used out of the box, without any further knowledge of the programming language
There are also plenty available for purchase such as Moving Parts by Stagetools
. When searching for extra VFT plug-ins make sure that they are compatible with VideoStudio. Many of these plug-ins require a higher end Video Editing Program such as MediaStudio.
With VideoStudio you can apply a maximum of 5 Video Filters to an individual clip. The filters are applied to the video in the order in which you add them. Compare these two pictures - they are the same frame:
ColorShift filter followed by Clouds Filter:
Clouds filter followed by ColorShift filter:
Some video filters have very little or even no available adjustments to the filter:
Some video filters have a lot of available adjustments:
Some video filters have a number or preset effects that you can choose from. This example is the cropping filter:
When you click on customize
You will see a two video windows 'Original' and 'Preview', a toolbar and a timeline:
If you take a section of video you can mark various parts of it where you wish changes to take place. These marks are termed key frames. A section of video (or audio for that matter) will always have at least two key frames [START] and [END] To describe how a keyframe works let us consider that we have a photograph of a number of people outside of a church following a wedding. A typical keyframe sequence might be as follows.
- START - show the photograph full screen
- Zoom in to the person at the far left
- Pan across towards the right
- Pause when you reach the bride
- Move right a bit more
- Pause again on the Groom
- Pan over to the right until you reach the last person
- Zoom out to full screen
We have just brought a simple photograph to life with animation, not just random animation but deliberate and thought out animation. We achieved this by making certain frames on our timeline 'keyframes.'
Let us now look in closer detail at these items:
Here we have the toolbar at the top (Items C-N) & the timeline at the bottom (A-B)
- The diamonds are keyframes. Red signifies the active keyframe or in other word the one currently being edited. Any values you set in the various filter options are being set in relation to this particular keyframe
- Any other keyframes are shown in white
- Goto previous keyframe
- Add another keyframe at this timeline position
- Delete this keyframe
- Reverse the timeline so that the first keyframe is now the last keyframe. In our wedding photograph example it would be as though we had chosen to start off on the right and work our way over to the left
- Nudge the keyframe to the left
- Nudge the keyframe to the right
- Goto the next keyframe
- Playback Control- Goto the start of the video clip
- Playback Control- Goto the previous frame
- Playback Control- Current Timecode position on the timeline
- Playback Control- Goto the next frame
- Playback Control- Goto the end of the video clip
There are more controls to the right of the above:
Creating a 'Ken Burns' effect with the Pan and Zoom Filter
- Play the clip so that you can preview the effect of this filter
- Play speed
- Enable Device - This activates the next icon
- Change Device
- View on the dialog box Preview window
- View on the project Preview Window
- Select an External Playback Device
- No Device
- DV Camcorder
- Dual Head Device
- Zoom in/out of the timeline
- Show or Hide the various filter options/settings
Wikipedia Encyclopedia wrote:Burns was born in Brooklyn, New York on July 29, 1953. He is a graduate of Pioneer High School in Ann Arbor, Michigan. He earned his Bachelor of Arts degree from Hampshire College in Amherst, Massachusetts in 1975, and went on to be one of the co-founders of Florentine Films.
In his documentaries, Burns often gives life to still photographs by slowly zooming in on subjects of interest and panning from one subject to another. For example, in a photograph of a baseball team, he might slowly pan across the faces of the players and come to a rest on the player the narrator is discussing. This has been called the Ken Burns effect.
Let us now use the pan and zoom filter to bring the following photograph to life (Thats me - top right!)
We will start full screen, zoom to the bottom right person, pan over to the left, move up a row, pan over to the right, move up a row, pan over to the left, move up a row and pan over to 'me'. We will then finish off by zooming back out to full screen.
We start off by adding the image to the timeline. We also need to display the image for quite some time in view of the panning and zooming we are going to perform. At this point just make an educated guess, you can adjust the timing and also the positions of the keyframes later.
We then drag the Video Pan and Zoom filter onto the clip and then choose the customize button.
The following dialog box appears
If you look at the left side (original) screen 'A'
you will see a red cross and 4 yellow handles at the corners of a dotted overlay box. The red cross is the centre of the selected area. The dotted box is the area now displayed in the right hand side Preview Screen 'B'
You can alter the zoom ratio by either dragging the yellow handles or adjusting the zoom value 'C'
For most pan and zoom effects you can simply centre the red crosshair in box 'A'
by clicking on the OXO cube style anchors at 'D'
We wish to start with the full picture. The first keyframe is already selected by default and so we now click the centre anchor point and adjust the zoom to 100%.
Next task is to zoom into the person at the bottom right of the group.
At the moment we are using guesstimates for our timings which can be adjusted as the model builds up.
You can see in this picture that I have moved the playback head 'A'
to the 1 second mark (identified at 'C'
) and then created a new keyframe by clicking the add button 'B'
. You can also see that this new keyframe is also the active frame.
you may find that when you try and select the crosshair the active keyframe keeps changing to another one nearby. To overcome this problem select the keyframe and then use the OXO anchors to position the crosshair away from the rest of the group and then drag it into position.
Create further keyframes as follows:
Up to row 2 at 5 second mark
Right hand side of row 2 at 9 second mark
Up to row 3 at 10 second mark
Left side of row 3 at 14 second mark
Up to row 4 at 15 second mark
Right hand side of row 4 at 19 second mark
Set the end keyframe to 100% and dead centre using the same method as the first keyframe.
Now play the animation to see how it looks and adjust any timings that you feel necessary.
Alternative Pan and Zoom.
The pan and zoom shown above was selected from the library manager drop down box. When you add a still image to the timeline you can also activate pan and zoom from the options panel
Although it works in the same way as the method described above, it contains an extra option 'Logarthmic interpolation.'
OK so what is this 'Logarithmic Interpolation' ? - put simply its mathematics and is designed to give you a smoother pan and zoom.
There is a good explantion in simple language that even I can understand here: http://www.activeservice.co.uk/video/zoompath/