New In Version 2.0

Yes. Clicking the filter icon with an active ROI will pre-populate the spectrum window with the spectrum from that ROI.

See the attached video for an example.

INCLUDE the original AND amplified frames

This method is available in Versions 2.0 and newer.

To reduce the size of the MP4, you can change the export content to include the original and amplified frames from the "Motion Amplification® Options" settings. You will find these settings by clicking the Gear Icon in the upper right-hand corner of the Motion Amplification® window.

1. Open the Motion Amplification® program.
2. Click on the Gear Icon in the upper right-hand corner of the window
3. In the Motion Amplification® Options window, from the middle "Export content" drop down, select "Include original and amplified frames"
4. Click "OK" to close the window and save the settings
5. Create a new MP4

See the attached video for an example.

NOTE - The attached video works with a 1 second of real time recording at 100 fps playback speed.

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They will be in the units that were selected at the time of the export. The header of the CSV file will also show you the units label.

The Motion Amplification software can support all of the following filters as described in detail below. They can be applied individually or in combinations. In all of the examples below, the areas in green will be included in the video while the areas in red will be excluded. Because of their behavior, only one Bandpass, one Lowpass, and one Highpass filter can be applied to a video. You can use all three on the same video, but only one of each type. You can add as many Bandstop Filters as you need.

Bandpass Filtering

A bandpass filter will only allow frequency content between the low and the high cutoff to be amplified.  All other frequency content will be excluded from amplification. When you select "Bandpass" from the "Type" dropdown, you will be allowed to enter your "Low Cutoff" and "High Cutoff" values. You can either use the keyboard to type values into the fields directly, or use the cursor to drag the red circles on the spectrum display to the area of interest. In the example below, only motion related to frequencies between 16.6 Hz and 17.8 Hz will be amplified in the video.

Lowpass Filtering

A lowpass filter will only allow frequency content below the high cutoff to be amplified. All other frequency content will be excluded from amplification. When you select "Lowpass" from the "Type" dropdown, you will only be allowed to enter your "High Cutoff" value. You can either use the keyboard to type the value into the field directly, or use the cursor to drag the red circle on the spectrum display to the area of interest. In the example below, only motion below 3.8 Hz will be amplified in the video.

Highpass Filtering

A highpass filter will only allow frequency content above the low cutoff to be amplified. All other frequency content will be excluded from amplification. When you select "Highpass" from the "Type" dropdown, you will only be allowed to enter your "Low Cutoff" value. You can either use the keyboard to type the value into the field directly, or use the cursor to drag the red circle on the spectrum display to the area of interest. In the example below, only motion above 16.6 Hz will be amplified in the video.

Bandstop Filtering

A bandstop filter will exclude frequency content between the low and the high cutoff limits and all other frequency content will be amplified. When you select "Bandstop" from the "Type" dropdown, you will be allowed to enter your "Low Cutoff" and "High Cutoff" values. You can either use the keyboard to type values into the fields directly, or use the cursor to drag the red circles on the spectrum display to the area of interest. In the example below, all motion EXCEPT frequencies between 16.6 Hz and 17.8 Hz will be amplified in the video.

Complex Scenarios

The above filters can be combined to create complex scenarios. Below is an example where the intention is to include the 40 Hz and the 120 Hz frequency content in the amplification process. Three filters are required. First, a highpass with a cutoff just below the lower frequency of interest.  Second, a bandstop between the two frequencies of interest. Finally, a lowpass with a cutoff just above the higher frequency of interest. As noted on the right-hand side of the window, the green portions of the spectrum are the only frequencies that will be included in the amplification process. The red and grey portions of the spectrum will be excluded.

The filters that have been applied are listed in the Recording Information.

Adjust the playback speed

This method is available in Versions 2.0 and newer.

Some motion may be shown better by adjusting the playback speed. Slower motions, for example may become more obvious at a faster playback speed. Adjusting the playback speed will also change the size of the MP4 created from the recording.

1. Open the recording you want to analyze and export
2. In the bottom right-hand corner of the screen, slide the "Playback Slider" up and down to find the setting which shows the motion the best
3. Faster playback speeds will produce smaller MP4 files. Slower playback speeds will produce larger MP4 files
4. When the desired playback speed is found, click the "Export Video" button  found to the right of the Playback Bar

Adjust the Playback Speed slider as necessary until you achieve the size MP4 you desire.

Watch the attached video for an example.

NOTE - The attached video is working with a 1 second video in real time. Only the Playback Speed is altered.

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Yes it does.

After the filter is applied, only objects moving at the same frequency will show motion. They may or may not be directly attached to the object of interest. In addition, as the attached report shows, you can filter different videos for the same frequency to find sympathetic vibrations in other locations.

This video report from Stuart Walker with Reliability Maintenance Solutions Ltd an Authorized Reseller of the Iris M™ System in the United Kingdom is an excellent example of how to use filters to determine root cause of a problem.

https://www.linkedin.com/posts/stuart-walker-97692a48_used-rdis-motion-amplification-camera-filtering-activity-6323943961203474432-Ayjd

NEW BEHAVIOR after update to Version 2.1

Now, with the introduction of "Amplification Regions" you can specify that only a portion or portions of a recording be amplified. Then, by filtering you can specify that only the amplified regions get filtered.

Yes. You can create a video which plays both amplified and non-amplified footage. To do this:

1. Open the recording you want to analyze and export
2. Find the section of the recording which best displays the motion you want to highlight
3. Locate the Playback Bar, found just below the video window
4. You will notice blue triangles at the far left and far right above the Playback Bar. These triangles indicate the portion of the video which will be amplified in the MP4. You can adjust the location of these triangles.
5. With the cursor, move the Playback Position Indicator to the location where you want the amplification to begin
6. Right-click on the Playback Position Indicator to reveal a pop-up window
7. From the selections in this menu, select "Set Amplification Start." The blue triangle from the left will move behind the Playback Position Indicator's current location
8. Use the cursor to move the Playback Position Indicator to the location where you want the amplification to end
9. Right-click on the Playback Position Indicator to reveal a pop-up window
10. From the selections in this menu, select "Set Amplification End." The blue triangle from the right will move behind the Playback Position Indicator's current location
11. Right-click on the Playback Position Indicator to reveal a pop up window
12. From the selections in this menu, select "Reamplify Recording" and allow the software to process the video
13. The region between the two blue triangles will be the portion of the original video amplified in the MP4
14. Click the "Export Video" button found to the right of the Playback Bar

15. Navigate to the "Videos" folder to find the exported video (default location - C:UsersUserDocumentsRDIVideos).

NEW BEHAVIOR after update to Version 2.5

The method for adjusting the Set Amplification Start and End positions was improved in Version 2.5. From that version on, you can simply click, hold and drag on the blue triangles and move their positions.

Link to Video of behavior in Versions 2.5 and Newer

NEW BEHAVIOR after update to Version 3.0

There is no longer a need to "Reamplify Recording" - Step 12 above. This will be done automatically when it is required. This option has been removed from the pop-up menu.

View the video below for an example.

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Behavior in Version 2.3 and earlier:

In "Motion Amplification® " Acquisition Mode, when you have the "Camera Properties" Framerate field set to fps, Fmax will be half the entered frame rate. In "Displacement" mode, the "Framerate (fps)" field will change to read Fmax and it will display the actual Fmax value.

NEW BEHAVIOR after update to Version 2.4

To simplify the recording process, the Acquisition Mode and Lighting settings have been removed from the user interface. Now, Fmax will always be half the entered frame rate.

See the attached video to view this behavior.

RDI data files can consist of many different files and folders. Each recording stores a folder and a file on your computer which have the same name. The two must continue to be linked by the same name. You can change the name of the recording, but ALL files associated with this recording MUST get renamed exactly the same. You could manually do this by finding the file and folder, then renaming each and every file in the folder with the same name, but this would be tedious and may lead to mistakes. The easier way is to use the RDI Motion Amplification® Software rename feature.

Follow these steps to rename a file:

1. Open the video that you want to rename.
2. Click on the "Information" icon in the upper right-hand corner -
3. From the new Information window, click on the information icon to the left of the Recording Information
4. You will be given an editable Recording Information window
5. On the very top "Filename" line, to the right of the existing name, click on the "Rename Recording" icon -
6. A new window will open. Enter the new name to the right of the "New name for recording" text and click [OK]
7. Continue to click [OK] and close dialog boxes until you have returned to the Motion Amplification® window. In the upper left-hand corner, you should now see the new name for your recording as the "Source File."

Please watch the attached video as an example.

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How do I rename files in the Motion Explorer Software?

The annotation features inside the Motion Amplification® software allow you to embed text messages in the final exported MP4. You can use these features to document amplitude measurements.

NEW BEHAVIOR after update to Version 2.3

Use Motion Amplification® to add dynamic graphs and headings to your videos. Version 2.3 also allows you to embed Spectrum, Waveform, Spectrum & Waveform, and Orbits as annotations before the MP4 is created.

The Waveform and Orbit can even synchronize playback with the video so you see the waveform as the motion happens.

See the videos at these links for examples of the two different behaviors:

Version 2.3 and Newer.mp4

Version 2.2 and Earlier.mp4

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RDI Technologies™ Acquisition Software vs. RDI Motion Amplification® Software vs. RDI Motion Explorer Software vs. RDI Motion Studio Software vs. Motion Monitor Software 

Yes. You can export the Time Waveform as a CSV (comma-separated values) file for additional analysis. Simply open the Time Waveform display from an ROI and right-click in the plot area. Select "Export" or "Export Waveform Data" from the new pop-up menu. The export will be stored in the same location with all of your recordings and videos. It will be in the "RDI" folder in a directory named "Export".

Versions 2.1 and earlier:                                                                                     Versions 2.2 and newer:

The attached video contains an example.

Behavior in Versions 2.3 and earlier:

When you record a video the "Lighting" selection will optimize the recording settings to reduce the flicker found in lighting supplied by Alternating Current (AC). This flicker will be at 50 or 60 Hz depending on your local electrical line frequency. Normally, the recording will be made at twice this line frequency. If the frame rate is set at a frequency other than twice the line frequency a beating (beat frequency) between the frame rate and lighting may occur. If you have selected "Other" as your Lighting selection then manually adjusted the frame rate so that it is no longer twice the line frequency, as you amplify the recording, the flickering will change the intensity of the lighting on the asset making it appear brighter and dimmer. To reduce this affect, you can either:

1. Rerecord the video making sure to record at twice the electrical line frequency
2. Filter your existing recording to eliminate the 50 or 60 Hz frequency

The Camera Properties window in Version 2.3 and earlier:

NEW BEHAVIOR after update to Version 2.4

To simplify the recording process, the Acquisition Mode and Lighting settings have been removed from the user interface. Now, all that is required is to slide the "Framerate (fps)" slider to the needed setting.

The Camera Properties window in Version 2.4 and newer:

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Reduce the length of the exported recording

This method is available in all Versions 2.0 and newer.

In some cases, where the motion is repetitive in nature, it may not be necessary or possible to export the entire video. To reduce the size of a Motion Amplification® recording which has already been analyzed, you can select the amount of the recording you want to export. Follow these steps to select the amount of the recording to export:

1. Open the recording you want to analyze and export
2. Find the section of the recording which best displays the motion you want to highlight
3. Locate the Playback Bar, found just below the video window
4. You will notice green triangles at the far left and far right below the Playback Bar. These triangles indicate the portion of the video which will be exported to MP4. You can adjust the location of these triangles.
5. With the cursor, move the Playback Position Indicator to the location where you want the export to begin
6. Right-click on the Playback Position Indicator to reveal a pop-up window
7. From the selections in this menu, select "Set Export Start." The green triangle from the left will move behind the Playback Position Indicator's current location
8. Use the cursor to move the Playback Position Indicator to the location where you want the export to end
9. Right-click on the Playback Position Indicator to reveal a pop-up window
10. From the selections in this menu, select "Set Export End." The green triangle from the right will move behind the Playback Position Indicator's current location
11. The region between the two green triangles will be the portion of the original video exported to MP4
12. Click the "Export Video" button  found to the right of the Playback Bar
    
    
13. Navigate to the "Videos" folder to find the exported video (default location - C:UsersUserDocumentsRDIVideos - where User will be replaced by the actual User Name of the current account).

NEW BEHAVIOR after update to Version 2.5

The method for adjusting the Export Start and End positions was improved in Version 2.5. From that version on, you can simply click, hold and drag on the green triangles and move their positions.

Adjust the green triangles as necessary until you achieve the size MP4 you desire.

Watch the attached video for an example.

Related articles:

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Can I amplify only a portion of the exported MP4 video?

How can I reduce the size of an MP4 export? (Playback speed)

How can I reduce the size of an MP4 export? (Video Format and Quality)

How can I reduce the size of an MP4 export? (Original and Amplified Frames)