Live Projection Imaging with Optical Shearing for Fluorescence Microscopy
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Solution Overview
Problem
Existing 3D fluorescence microscopy techniques face challenges in real-time imaging of dynamic biological processes due to time-intensive and computationally burdensome processes, limiting volumetric image acquisition rate and throughput.
Innovation Solution
Implementing a shearing unit in the optical system to optically shear images onto a camera frame, synchronizing with volume acquisition, allowing direct real-time 3D viewing of samples.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If serial acquisition of 2D images is performed to render 3D volume, then 3D imaging is achieved, but imaging time and computational burden increase significantly
Solution Approach 1:
The patent introduces a shearing unit that optically shears the light path to project 3D volumetric information onto a 2D camera frame in real-time. This dimensional transformation allows direct 3D visualization without serial 2D image acquisition, resolving the contradiction between achieving 3D imaging capability and reducing imaging time
Solution Approach 2:
The patent replaces the mechanical/sequential process of acquiring multiple 2D images with an optical system that directly projects 3D information. The shearing unit creates a real-time optical projection of the volume, eliminating the need for time-intensive sequential image capture and computational rendering
2Measurement precision
If 3D stack acquisition is performed, then volumetric data is obtained, but volumetric image acquisition rate decreases
Solution Approach 1:
The patent enables continuous real-time projection of volumetric data through the shearing unit, allowing uninterrupted observation of dynamic biological processes. The optical shearing continuously maps 3D information to the 2D sensor plane, maintaining high acquisition rates while preserving volumetric data quality
Solution Approach 2:
By transforming 3D volumetric information into a 2D projection that retains depth encoding through optical shearing, the system achieves high-speed imaging without sacrificing volumetric data quality. The projection displays all z-depth information simultaneously on the 2D sensor, enabling fast acquisition
3Measurement precision
If computational rendering is used to view 3D volume, then 3D visualization is achieved, but computational overhead increases
Solution Approach 1:
The patent replaces computational rendering with an optical solution. The shearing unit performs the 3D-to-2D projection transformation optically during image acquisition, eliminating the need for post-processing computational rendering. This reduces computational overhead while maintaining 3D visualization capability
Solution Approach 2:
The optical system with the shearing unit performs the 3D visualization function directly during data acquisition, without requiring separate computational processing steps. The projection is generated in real-time by the optical hardware itself, eliminating dependency on computational resources
4Measurement precision
If serial 2D image acquisition is performed, then 3D volume can be reconstructed, but microscope throughput diminishes
Solution Approach 1:
The shearing unit projects 3D volumetric information directly onto the 2D camera sensor in a single shot, enabling 3D volume visualization without serial acquisition. This dimensional transformation increases microscope throughput by eliminating the need to capture multiple 2D images sequentially
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates ultrafast imaging of volumes, reduces computational burden, and increases microscopy throughput by enabling rapid capture of fast biological processes with adjustable viewing angles.
Implementation Method 1
a shearing unit in the optical system to optically shear images onto a camera frame
Implementation Method 2
fluorescence microscopy
Data Source
AI summary
Implementations discussed and claimed herein provide systems and methods live projection imaging for fluorescence microscopy. In one implementation, a 3D view of a sample, such as cells, is generated for direct viewing. A projection of a volume is generated that is optically sheared into a single camera frame in light-sheet fluorescence microscopy. Optical shearing is synchronized with acquisition of a volume, where volumetric information may be directly viewed in a single acquisition to evaluate cellular 3D morphologies and dynamics.