Huygens Object Stabilizer can measure and correct for any type of sample movement that is not desired. Such unwanted movement can occur during image acquisition because of stage drift or vibration, or can simply be the motility of a cell or organism that you like to undo. Huygens Object Stabilizer can stabilize 2D and 3D time series, movement in x, y and z, axial rotation, and also mis-allignment of slices within a 3D stack. Both the measurement and subsequent stabilization are done in 3D and at sub-pixel level. Since object stabilization is a crucial step for deconvolving STED data, this option is integrated in the STED (3D) optical option. Object stabilizaton can be applied to a batch of images, using Huygens Batch Processor or Huygens Remote Manager/Core.
Time acquisition of this widefield image suffered from a persistent drift and sudden bumb of the stage, preventing proper tracking of the red lysosomes/endosomes. Both stage issues were corrected with Huygens Object Stabilizer. Image shows a mouse embryonic fibroblast (MEF) in which Fascin1 (protein binding to actin, green) and Lamp1 (lysosomal membrane protein 1, red) have been transfected. Courtesy of Prof. Fumio Matsumura, Department of Molecular Biology and Biochemistry, Rutgers University, NJ, USA
Easy to-use Wizard
Wizard which offers the most optimal stabilization method, correction of rotational movement, graphs presenting the measured displacements, and advanced cropping tools
Versatile toolbox for correcting stage drift and movement during acquisition (like with 3D STED imaging), or natural yet unwanted movement of objects such as cells or organisms.
Deskewing Light Sheet
De-skew (de-shear) option for 3D Light Sheet setups where the excitation and emission axis are oriented at an oblique angle relative to the sample stage, which is scanned horizontally to move the focus (see below).
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Object Tracker Option.
For time series there are four stabilization methods available:
- Cross correlation. This can be considered an 'all-round method'. It can correct for both x-y-z translation and axial rotation. Adjacent time frames are compared to find the best alignment by maximizing structural overlap.
- Model-based correlation. When the geometry of the imaged object did not change much during the acquisition, the time series can be stabilized using a model of the object. The stabilizer creates the model automatically.
- Multi object tracking. When a image contains well-defined objects, i.e. nuclei or small particles, the image can be stabilized using object tracking. Objects are tracked over time and their average movement is used to stabilize.
- Center of mass alignment. This method works best if the image contains a single large object. No objects should cross the image borders, and the contrast between object and background should be high.
Skewing and de-skewing of LSFM images. Some LSFM setups have their excitation and emission objectives positioned at an oblique angle relative to the sample stage. The sample mounted on the stage is scanned horizontally to move the focus through the sample (see arrow), which leads to a skew in the recorded 3D image stack an also in the PSF. The Huygens Object Stabilizer option can de-skew all z-slices to their correct position.
Why wait? Try out this option by downloading Huygens and request a test license, or receive pricing information.
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