Video Labelling tool
Video Labelling tool Second Screen
Maximise the screen space for the video playback by activating the Second Screen (see link in the Object and Assessment panel - this moves the Edit Attribute panel to second tab) and by minimising the Object and Assessment panel
Colour guide for detections (boxes around objects):
Unlabeled = White dashed line
Selected = Red dashed line
Selected and labelled - Red solid line
Similar = Yellow dashed line
Labelled = Green solid line
Show more or lease of the timeline in the tracking panel by selecting a FPP (Frames Per Pixel) setting (top left of the tracking panel):
1FPP (this is the most detailed view)
2FPP
Fit (shows the whole timeline - note some small tracks may not be visible in this view)
Space bar plays and pauses the video. Note: for best performance do not manually scrub through the video when the video is playing. First pause the video and then scrub.
Play the video at different speeds by clicking on the video speed number at the left of the video timeline
To put a marker on the video timeline:
m - adds a mark at current frame
M - removes mark nearest to current frame
[ - seek to nearest mark to the left of current frame
] - seek to nearest mark to the right of current frame
In the Attribute Edit list - type the first letter of the taxonomy to bring that up. Note Admin users will be able to edit the information that the Attribute Edit list is able to display
“d” resizes video to fit width of screen area (move the track panel or reduce the size of the video if needed). Or click use the resize video icon in the toolbar
Use the All video Similarity Pop up box feature to label all objects in the video that match a selected annotation:
Click on an annotation
Type in “b” or click on the icon in the toolbar
Select All or shift select individual tracks that match the object you are labeling
Assign a taxonomy by clicking on the Attribute Edit and selecting a taxonomy then clicking on Update
Use the Point in the video Similarity track and video view feature to label all objects in the video that match a selected annotation:
Click on an annotation
Type in “n” on the icon in the toolbar
Type “Control a” to select all. Or shift select each object with a bounding box that you want to label
In the tracking panel or video, keep all selected or de-select or add individual object that match the taxonomy you are labelling
Assign a taxonomy by clicking on the Attribute Edit and selecting a taxonomy then clicking on Update
Note:
Escape will deselect an object and stay in N mode
“Shift n” to exit N mode
Label an individual object:
Draw a bounding box around an unlabeled object and assign it’s taxonomy via the Attribute Edit box bottom left of the site
Assign or change a taxonomy for an object that already has a bounding box by selecting the box and using the Attribute Edit box bottom left of the site
Clone the label of an object and apply it to other object:
Select the object to be cloned
Select the clone tool
Click on the object the clone is to be applied to. (If you hold down shift while you click on the object it will also keep that object selected)
Note any object that has the clone applied to will automatically be added to the Assessment panel and MaxN candidates
Copy the taxonomy and apply it to another object
Select the Copy Taxon tool
Go to the second screen and choose the Taxon from the Taxonomy list that you want to copy (you can use the Filter box in that list to search for a Taxonomy)
Click on the bounding box of any object you want to copy that Taxonomy to
Note: any Taxonomy you choose will go to the top of the Taxonomy list so you will have at the top of the list the recent Taxonomies applied
Change the label of an object:
Select the object to be labelled at the frame you want and open the Attribute Edit box, click on Clear All, then assign a label and click on the Attribute Edit box Update
You can also select multiple detections in the assessment panel by holding shift and clicking the time section of a row, then change attributes for all of them via the Attribute Edit box
Search/filter the video for labelled object:
In the filter box type in “display_name:” and the name of the object you want to find
Or
Click on the name of the object in the MaxN view
To clear the search delete what is in the Filter field and click on Filter
You can undo the following actions using the Edit/Undo or the shortcut ctrl+z:
Create or deletes a bounding box or measurements
Ascribe or change a attribute via the Attribute Edit box or the Clone tool
Delete or edit a track
Join multiple tracks by selecting the tracks and detections to join, then pressing the "a" key
