Abstract: The primary purpose of bottom tracking is to identify the boundary between the water column area and the image area in the side scan sonar (SSS) waterfall map. However, noise in the water ...

Abstract: In passive acoustic monitoring, effective noise reduction of dolphin whistles is frequently compromised by ambient noise. A key challenge for wavelet-based denoising techniques lies in the ...

Creating unique artwork using a glass pen Posted: February 15, 2026 | Last updated: February 15, 2026 Discover the art of drawing with a glass pen and how it brings a new dimension to making original ...