The AI analyzes the video selected in STEP1 and extracts element work. Additionally, in the case of repetitive work (multiple cycles), a "model single cycle" is built from among them. All subsequent classification and improvement are performed against this model.
This article is STEP2 of the Work Analysis series. For an overview, see Work Analysis overview and getting started.
Run cycle analysis
- In STEP1, click "Proceed with this video" to move to STEP2 (extraction)
- Click "Run cycle analysis" in the right panel
- Answer the confirmation dialog: "Does this video repeat the same work?"
- Yes: The AI analyzes it as multiple cycles and creates a "model" by aligning each cycle
- No: The AI analyzes it as a one-time task (you can proceed directly to the next STEP3)
- Click "Analyze with these settings" and the AI analyzes element work time
Specify the range to analyze
In the analysis settings dialog, you can also specify the range to analyze. If the recording start and end points are missing cycles, the number of elements will not match, and the model alignment will collapse. Drag the handles at both ends to set the range. The video itself is not cut.
When a range is specified, operations outside that range are not included in the analysis. The timestamps are handled in the original video's timeline, so results can be checked overlaid on the original video as before.
For single-cycle video
After analysis, if the video is determined to be a single cycle, the message "This is a single-cycle video. Proceeding to classification and improvement." is displayed. Click "Proceed as-is" in the footer to move to STEP3 (classification).
For multi-cycle video (model cycle composition)
The right panel displays an element × cycle matrix. Following the guide "Create one model cycle from N repetitions," select which cycle each element is taken from.
- Cell = element work time for that cycle. Displayed as Green = fastest / Red = slowest / Blue ✓ = selected
- Click a cell to select that cycle's element for the model (intuitive operation)
- The "Model" column on the right displays element times for the current selection. The total at the bottom shows the entire model cycle time at a glance
Presets (batch selection)
The two presets at the top of the right panel allow you to apply common selection patterns with one click. After clicking, you can also manually override individual cells.
- "Best per element": Batch selects the stable, good cycles for each element (a composite of the best per element)
- "Best single cycle": Aligns all elements with the best cycle overall (when you want to show a consistent demonstration)
Left panel: model continuous playback
On the left, the model cycle created with the current selection plays continuously. Because it seeks and connects the corresponding sections in the original video element by element, you can immediately confirm the "appearance as a model" each time you change the combination.
Cycle adjustment (fine-tuning split and element boundaries)
If the AI's automatic split has misaligned cycle or element boundaries, you can fine-tune boundaries by dragging from "Cycle adjustment" at the top right. This option appears only for multi-cycle videos.
Variation analysis (see differences by cycle)
Use the toggle at the top of the right panel to switch between building the model and variation analysis. It appears for videos with 2 or more repetitions.
- Variation per element: For each element, arrays the shortest–longest range, average, and variation range centered on the average. The order of elements follows the work sequence
- Cycle time variation: Shows how the time for one cycle varies from cycle to cycle
You can see which elements are unstable from cycle to cycle. This is useful for deciding which cycle to select for the model or where to prioritize standardization. The graph legend appears when you hover the mouse over the icon next to the heading.
If there are many elements, the graph shows only the most variant elements (this is noted on the graph). All values are available in the "Variation" sheet of the Excel export.
About reference elements
The reference element used when aligning and arranging each cycle is saved in the project. By default, it is created only once from the AI analysis result and does not change even if elements are edited afterward. Table rows do not increase or decrease even if you rename elements or split them.
- Re-analyzing recreates the reference
- You can reset to the default created from the AI analysis result with [Reset]
On the cycle adjustment screen, you can also edit the reference itself (add, delete, reorder, rename). Additionally, you can split, merge, add, and delete elements, assign them to the reference, and undo/redo. The "Match with the reference" band lets you see at a glance what exists and what does not in each cycle. Extremely long elements receive a warning (multiple actions may be collapsed into one).
How to choose the model
"Best single cycle" selects the shortest cycle among those with aligned element counts. Cycles with missing elements are excluded because the total would be smaller. Best per element selects from all cycles as candidates.
Re-analyze
If the results are not satisfactory, click "Re-analyze" at the top right, select the repeat type again, and let the AI re-analyze.
※ Re-analyzing cancels all model selection, classification, and improvement edits.
Proceed to STEP3
Once the model composition is decided, click "Proceed with this model" in the center of the footer (or "Proceed as-is" for single-cycle videos). You will move to STEP3 (classification) and perform element classification and 3-category settings for the model cycle.
Tips for effective use
- Start by trying the "Best per element" preset, then manually replace only the elements that feel out of place with cycles from other cycles
- For single-cycle videos only, the model step becomes "result confirmation only." Proceed as-is
- Video 90° rotation set in STEP1 is saved to the project and shared across all steps (does not affect output)