An adaptive image enhancement approach for safety monitoring robot under insufficient illumination condition
J Wang, W Liang, J Yang, S Wang, ZX Yang - Computers in Industry, 2023 - Elsevier
The safety monitoring robots have been a potential solution to the task of patrol and
inspection under uncontrolled complex environments such as tunnels. However, unclear …
inspection under uncontrolled complex environments such as tunnels. However, unclear …
Analysis of Different Image Enhancement and Feature Extraction Methods
This paper describes an image enhancement method for reliable image feature matching.
Image features such as SIFT and SURF have been widely used in various computer vision …
Image features such as SIFT and SURF have been widely used in various computer vision …
Monocular vision SLAM research for parking environment with low light
S Zhang, Y Zhi, S Lu, Z Lin, R He - International Journal of Automotive …, 2022 - Springer
The low light condition poses a challenge when utilizing direct monocular visual
simultaneous localization and mapping (vSLAM) in a parking environment. To make the …
simultaneous localization and mapping (vSLAM) in a parking environment. To make the …
STUDY AND ANALYSIS OF VARIOUS PAPR MINIMIZATION METHODS.
KK Vaigandla, J Benita - International Journal of Early …, 2022 - search.ebscohost.com
In wireless communications, OFDM (Orthogonal Frequency Division Multiplexing) is a
method of modulating multicarrier signals to transmit high speed data. OFDM systems use …
method of modulating multicarrier signals to transmit high speed data. OFDM systems use …
Autonomous robot navigation using Retinex algorithm for multiscale image adaptability in low-light environment
This paper proposes an improved Retinex theory based on a weighted guided filter method
to enhance images in low-light conditions. The captured images under low illumination can …
to enhance images in low-light conditions. The captured images under low illumination can …
Improved PAPR reduction using gamma correction in SC-FDMA systems under multipath fading channels
J Arun Prem Santh, D Judson, K Selvaraj… - Wireless Personal …, 2022 - Springer
Single-carrier frequency division multiple access (SC-FDMA) has become one of the most
attractive standards for next-generation wireless communication systems. However, in the …
attractive standards for next-generation wireless communication systems. However, in the …
A novel CVM precoding scheme for PAPR reduction in OFDM transmissions
MM Hasan - Wireless networks, 2014 - Springer
High peak-to-average power ratio (PAPR) is still one of the major problems in orthogonal
frequency division multiplexing (OFDM). In this article, a new precoding method is proposed …
frequency division multiplexing (OFDM). In this article, a new precoding method is proposed …
Peak to average power ratio reduction of ZT DFT-s-OFDM signals using improved monarch butterfly optimization-PTS scheme
P Lavanya, P Satyanarayana, M Mohatram - Journal of Ambient …, 2021 - Springer
For traditional orthogonal multiplexing frequency division (OFDM) systems, a novel Zero Tail
Discrete Fourier Transform Spread Orthogonal Frequency Division Multiplexing Division (ZT …
Discrete Fourier Transform Spread Orthogonal Frequency Division Multiplexing Division (ZT …
Joint PAPR reduction and carrier frequency offset compensation in SC-FDMA systems using modified gamma correction companding
Single-carrier frequency division multiple access (SC-FDMA) is a multicarrier modulation
technique that has attracted wireless communication systems. However, one of the critical …
technique that has attracted wireless communication systems. However, one of the critical …
一种改进的低复杂度OFDM 峰均比抑制PTS 算法.
安明， 竺小松 - Telecommunication Engineering, 2019 - search.ebscohost.com
(School of Electronic Countermeasure, National University of Defense Technology, Hefei
230037, China) Abstract: To solve the peak-to-average power ratio (PAPR) problem in …
230037, China) Abstract: To solve the peak-to-average power ratio (PAPR) problem in …