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 …
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 …
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 …
S Wen, X Hu, J Ma, F Sun, B Fang - Intelligent Service Robotics, 2019 - Springer
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 …
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 …
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 …
For traditional orthogonal multiplexing frequency division (OFDM) systems, a novel Zero Tail Discrete Fourier Transform Spread Orthogonal Frequency Division Multiplexing Division (ZT …
Single-carrier frequency division multiple access (SC-FDMA) is a multicarrier modulation technique that has attracted wireless communication systems. However, one of the critical …
(School of Electronic Countermeasure, National University of Defense Technology, Hefei 230037, China) Abstract: To solve the peak-to-average power ratio (PAPR) problem in …