Vic Uzumeri Blog
A Musical Experiment
With that in mind, I wanted to try something a bit smaller scale and precise. I wondered about the consistency and precision of a professional musician when he is performing a familiar piece. Bryan Crumpler () is a friend and…
Practicing Physical Skills – Video Verification
I know that there are some schools that are using or experimenting with Dartfish to improve the teaching of novice interpreters for American Sign Language. This makes sense because accurate signing is a precise physical skill that requires rigorous training and practice. Lasca…
Deconstructing Complexity with Video
In a previous posts previous post, I described how Dartfish can be used to scan and tag the interesting sections of long videos and assemble those juicy bits into a much shorter, more focused video clip. In this example, I…
Analyzing Machine Operation with Video
Several other posts have focused on the performance of human operators in a production environment. However video can also be used to better understand how machines operate. The following video clip shows how dough is extruded and then cut off…
Assembling a View of Multiple Operations
At the end of the Hartybake production process there is an automatic bagger. Waffles are placed on a conveyor with small moving pegs to control spacing. Workers transfer the waffles that exit from the oven and insert them in the conveyor. The naturally…
The Magic of Special Cases
In a previous post, I showed a way to extract detailed operational data from a video clip of human-paced operations. As I did the tagging, I saw some situations where the operator deviated from the normal pattern. They happened when the…
Analyzing Customer Behavior from Video
A lot of customer service functions involve complex interactions between employees and customers. Studying and analyzing these interactions is complicated and time consuming. In the retail world, however, there is often a steady source of high quality video of those…
Using Video to Measure Process Variation
In a previous post, I described a novel way to use video to capture visual evidence of process variation and make it far more evident to potential stakeholders. The technique used the Dartfish Analyzer video blending feature from the Dartfish…
Using Video to See Process Variation
A lot of process variation occurs over extended periods of time. You can see that something may be happening, but the quantity and nature of the variation is not obvious. The following clip (from our friends at Hartybake) shows a conveyor…