Aiming at the real intestinal environment, the commonly used feature extraction algorithms are compared and analyzed.The performances of SIFT, BRISK, ORB and FREAK are evaluated from three aspects: feature extraction time, correct matching rate and attitude estimation accuracy under rotation and scaling transformation.ORB binary feature operator ha
BackgroundGlaucoma is a leading cause of irreversible blindness globally and for decades, Molteno and Ahmed glaucoma implants, operating on different mechanisms, have been used to treat complicated glaucoma with varying success.ObjectiveTo assess the safety and efficacy of the Molteno glaucoma implant (MGI) versus the Ahmed glaucoma valve (AGV) in
Abstract An enormous deficiency lag exists in the demand and supply of potable water in Umuahia, Abia State, Nigeria.The people BUFFET have to pay lots of money to get potable water from water vendors, and those who cannot afford to pay patronize other unwholesome sources.Ossah River, one of the local drinking water sources, was studied to assess t
Abstract Visual object tracking is one of the most fundamental tasks in the field of computer vision, and it has numerous applications in many realms such as public surveillance, human-computer interaction, robotics, etc.Recently, discriminative correlation filter (DCF)-based trackers have achieved promising results in short-term tracking problems.