IMAX+ camera prototype as a teaching resource for calibration and image processing using FPGA devices

Castelló, Eduardo Magdaleno; Valido, M. Rodríguez; Expósito, D. Hernández; Cobo, B. Ruiz; Balaguer, María; Suárez, D. Orozco; Jiménez, Antonio López

doi:10.1109/taee46915.2020.9163668

Cited by 2 publications

(2 citation statements)

References 2 publications

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“…The design of the electronics is completely new in the TuMag instrument compared to the old IMaX [ 15 ]. The electronics update includes a miniaturization of the components, leaving more physical space for other instruments on board.…”

Section: Introductionmentioning

confidence: 99%

Enhanced Channel Calibration for the Image Sensor of the TuMag Instrument

Magdaleno

Valido

Hernández

et al. 2022

Sensors

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The Sunrise missions consist of observing the magnetic field of the sun continuously for a few days from the stratosphere. In these missions, a balloon supporting a telescope and associated instrumentation, including a Tunable Magnetograph (TuMag), is lifted into the stratosphere. In the camera of this instrument, the image sensor sends its data to a Field Programmable Gate Array (FPGA) using eight transmission channels. These channels must be previously calibrated for a correct delivery of the image. For this mission, the FPGA has been exchanged for a newer and larger one, so the firmware has been adapted to the new device. In addition, the calibration algorithm has been parallelized as the main innovation of this work, taking advantage of the increase in logic resources of the new FPGA, in order to minimize the calibration time of the channels. The algorithm has been implemented specifically for this instrument without using the Input Serial Deserializer (ISERDES) Intellectual Property (IP), since this IP does not support the deserialization of the data sent by the image sensor to the FPGA.

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Section: Introductionmentioning

confidence: 99%

Enhanced Channel Calibration for the Image Sensor of the TuMag Instrument

Magdaleno

Valido

Hernández

et al. 2022

Sensors

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“…A new Tunable Magnetograph (TuMag) has been implemented for this mission. The TuMag instrument is a new, and improved, version of the IMaX instrument [12]. Besides changing the cameras that were not very efficient and refurbish most of the optics and opto-mechanics accordingly, a major conceptual change in the optics has been realized due to the tunable capability of the instrument filter.…”

Section: Introductionmentioning

confidence: 99%

FPGA Implementation of Image Ordering and Packing Algorithm for TuMag Camera

et al. 2021

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The TuMag instrument is a Tunable Magnetograph that has been designed to measure the magnetic field of the sun. This instrument and others will be connected to a telescope that will be sent into the stratosphere using a balloon for an uninterrupted observation of the sun for four days in the summer of 2022. The TuMag camera is a new development for implementing the image detector of the instrument. It is based on the GPIXEL GSENSE400-BSI scientific CMOS image sensor and an FPGA device in charge of controlling the image sensor, configuring it and grabbing images. FPGA device consists of an array of Configurable Logic Blocks. However, the sensor does not supply the image data in a row-by-column format. This task has to be done in the FPGA that controls the sensor because the frame grabber has a significant workload with the control of all the instruments, the telescope, the refrigeration, the navigation, and so on. This work describes the FPGA implementation of Image Ordering and Packing algorithm for TuMag Camera concerning the real-time ordering of the images before grabbing and sending to the Data Processing Unit.

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IMAX+ camera prototype as a teaching resource for calibration and image processing using FPGA devices

Cited by 2 publications

References 2 publications

Enhanced Channel Calibration for the Image Sensor of the TuMag Instrument

Enhanced Channel Calibration for the Image Sensor of the TuMag Instrument

FPGA Implementation of Image Ordering and Packing Algorithm for TuMag Camera

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