Object perception in underwater environments: a survey on sensors and sensing methodologies

DQ Huy, N Sadjoli, AB Azam, B Elhadidi, Y Cai… - Ocean …, 2023 - Elsevier
Underwater robots play a critical role in the marine industry. Object perception is the
foundation for the automatic operations of submerged vehicles in dynamic aquatic …

A wavelet transform based contrast enhancement method for underwater acoustic images

R Priyadharsini, T Sree Sharmila… - … Systems and Signal …, 2018 - Springer
Dredging the surface of the ocean to identify both living and non living things nowadays has
become an unproblematic task with the help of the acoustic instruments. Side scan sonar is …

Acoustic image enhancement using Gaussian and Laplacian pyramid–a multiresolution based technique

P Ravisankar, T Sree Sharmila, V Rajendran - Multimedia Tools and …, 2018 - Springer
Acoustic images captured by side scan sonar are normally affected by speckle noise for
which the enhancement is required in different domain. The underwater acoustic images …

A survey on various image enhancement techniques for underwater acoustic images

K Sharumathi, R Priyadharsini - 2016 International Conference …, 2016 - ieeexplore.ieee.org
Image enhancement techniques serve as a preprocessing step in segmentation, object
detection and recognition in computer vision applications. These techniques may not be …

A DWT-based encoder-decoder network for Specularity segmentation in colonoscopy images

V Sharma, MK Bhuyan, PK Das, K Bora - Multimedia Tools and …, 2023 - Springer
Specularity segmentation in colonoscopy images is a crucial pre-processing step for efficient
computational diagnosis. The presence of these specular highlights could mislead the …

Underwater image enhancement method based on wavelet transform and retinex

X Hu - 2021 4th International Conference on Pattern …, 2021 - ieeexplore.ieee.org
Due to the complex underwater environment, the light will be scattered and absorbed in
water, so the underwater image has problems such as poor contrast, blur, uneven …

Dual domain approach for colour enhancement of underwater images

M Mathur, N Goel - Proceedings of the 11th Indian conference on …, 2018 - dl.acm.org
Scattering and Absorption of light in water are the two main problems in underwater
scenario which result in low contrast, high level of blurring and dull colours in underwater …

An Efficient Edge Preserving Interpolation Method for Underwater Acoustic Image Resolution Enhancement

R Priyadharsini, T Sree Sharmila - Archives of Acoustics, 2022 - yadda.icm.edu.pl
Underwater acoustic images are acquired using sonar instrument that uses sound
propagation to navigate and map the sea floor. The sonar devices are effectively used to …

Turbidity underwater image enhancement based on generative adversarial network

F Yuan, X Jiang, X Feng - 2022 International Conference on …, 2022 - ieeexplore.ieee.org
In recent years, with the continuous development of underwater object detection and
recognition applications, the requirements for underwater image quality are getting higher …

Underwater Acoustic Image Processing for Detection of Marine Debris

VV Naik, S Ansari - International Conference on Artificial Intelligence and …, 2022 - Springer
Underwater acoustic images obtained from acoustic imaging equipment, either stand-alone
or on-board autonomous underwater vehicles, consist of noise, mainly in multiplicative form …