分块图像
大型图像可能无法放入内存,这使得显示和处理此类图像变得很困难。blockedImage
对象通过将图像表示为可独立加载和处理的较小数据块的集合来解决此问题。blockedImage
对象可以支持大型图像和具有一个或多个分辨率级别的图像。
函数
主题
- Set Up Spatial Referencing for Blocked Images
This example shows how to set up and verify the spatial referencing information of a
blockedImage
object. - Read Whole-Slide Images with OpenSlide
This example shows how to add support for reading whole-slide images by creating a custom blocked image adapter.
- Explore Blocked Image Details with Interactive ROIs
This example shows how to display a detailed region of a blocked image selected interactively using ROI tools.
- Warp Blocked Image at Coarse and Fine Resolution Levels
This example shows how to apply a geometric transformation (warping) to a blocked image.
- Label Large Images in the Image Labeler (Computer Vision Toolbox)
This section describes the differences with using the Image Labeler app with blocked images.
- Convert Image Labeler Polygons to Labeled Blocked Image for Semantic Segmentation
This example shows how to convert polygon labels stored in a
groundTruth
object into a labeled blocked image suitable for semantic segmentation workflows. - Work with Blocked Images Using Volume Segmenter
Segment a volumetric image that could be too large to fit into memory by converting the volume to a blocked image.