2022
DOI: 10.1109/jstars.2022.3218440
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FPGA-Based Implementation of Ship Detection for Satellite On-Board Processing

Abstract: At present, the raw echo data captured by spaceborne SAR is usually downlinked to the ground stations for imaging and analysis. If the SAR data can be processed on-board, the processing results could be transmitted to users directly through broadcast distribution, which can greatly reduce the delay time for emergency applications. However, on-board processing implementation faces many challenges due to the space radiation environment and limited resources of the satellite. In this paper, an FPGA-based implemen… Show more

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Cited by 10 publications
(7 citation statements)
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“…It improves the pertinence and timeliness of user information acquisition, multiplies the application efficiency of satellites, and supports the demand for intelligent observation missions in the future [5]. However, in the overall operating environment of the satellite platform, not only the algorithm accuracy and operating speed need to be considered, but also the limited power budget and system reliability [6].…”
Section: Introductionmentioning
confidence: 99%
“…It improves the pertinence and timeliness of user information acquisition, multiplies the application efficiency of satellites, and supports the demand for intelligent observation missions in the future [5]. However, in the overall operating environment of the satellite platform, not only the algorithm accuracy and operating speed need to be considered, but also the limited power budget and system reliability [6].…”
Section: Introductionmentioning
confidence: 99%
“…The artificial neural network (ANN) model implemented on FPGA can also be used to extract the features from an input image and to encrypt the same image using asymmetric encryption algorithms [40]. Nowadays onboard processing using FPGA model is used in many remote sensing missions such as automatic target detection [41] and ship detection [42]. In onboard processing, the images are induced with some errors due to single-induced upsets.…”
Section: Introductionmentioning
confidence: 99%
“…Of course, these sort of devices are not suitable for embedded processing, in particular for avionics, where there are very strong design constraints on power consumption. This is a major problem to address, since hyperspectral sensors are very often mounted on board planes and satellites [9]- [12]. Recently, more specific devices such as TPUs and VPUs [13] that feature low power consumption have surfaced to bridge the gap between power and performance; however they are coprocessors and are unable to operate standalone, still requiring a CPU.…”
Section: Introductionmentioning
confidence: 99%