Star trackers are crucial for satellite orientation. Improving their efficiency via reconfigurable
COTS HW accommodates NewSpace missions. The current work considers SoC FPGAs to …

Star trackers measure the attitude of a spacecraft by matching the stars captured by the
camera and those stored in the onboard database, whose directions are already known. The …

Both image enhancement and image segmentation are important pre-processing steps for
various image processing fields including autonomous navigation, remote sensing …

Due to the inadequacies of the speed of star detection and centroid calculation (SDCC), the
applications of high-resolution and high-frame-rate image sensors are greatly limited in star …

Star tracker is the most precise attitude measuring device, and its advantages include a high
resolution and high update rate. Star centroid extraction, which is a very time-consuming …

The paper designs a peripheral maximum gray difference (PMGD) image segmentation
method, a connected-component labeling (CCL) algorithm based on dynamic run length …

The star sensor is a precise attitude measurement device for a spacecraft. Star tracking is
the main and key working mode for a star sensor. However, during star tracking, false stars …

Nowadays, hardware implementation of image and video processing algorithms is highly
attractive. Needing to real-time processing makes hardware implementation of these …

Scale and rotation invariant salient point detection and matching algorithms are variously
used in computer vision applications such as image matching, 3D localization and pose …

The execution of centroid extraction algorithms using a microprocessor consumes
considerable resources when compared to the other steps involved in star trackers. This …