One problem with this method is that the lesion cannot always be maintained in the center of the cap because the procedure is performed blindly after aspiration.
Moreover, a watermark is hidden using a chaos-based embedding procedure, and extracted blindly at the receiver side, not only from the center image, but also from the synthesized left-eye and right-eye views.
As the injection procedure is performed blindly without image guidance, there is a high risk of gel migration if the gel is undesirably injected outside of the retroglandular space.
Straightening teeth is not a cookie-cutter procedure that runs blindly on autopilot.
All data analysis procedures were performed blindly with respect to the experimental condition of the animal.
All surgical procedures were performed blindly by an expert with several years of experience on myocardial model.
In general, all laboratory testing procedures were performed blindly without knowledge of other test results (except for the joint colposcopy examination).
Our estimation procedures were conducted blindly with regard to disease status, suggesting that exposure misclassification would likely bias estimates of risk toward the null.
These procedures are inevitably performed blindly and can result in failure or carry high risks of complications, ranging from minor to fatal ones.
