分块图像
R2026a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
blockedImageobject. - 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 Very Large High-Resolution Images Using Image Labeler (Computer Vision Toolbox)
This topic explains how to efficiently label high-resolution and large-scale images using the Image Labeler app, especially when working with images too large to fit into memory.
精选示例
Display and Explore Blocked Images
Visualize and explore large and multiresolution images stored as blockedImage objects.
Process Blocked Images Efficiently Using Partial Images or Lower Resolutions
Process a blocked image quickly using two strategies that enable computations on smaller representative samples of the high-resolution image.
Process Blocked Images Efficiently Using Mask
Process a blocked image efficiently by using a mask to isolate regions of interest (ROIs).
Create Labeled Blocked Image from ROIs and Masks
Create a labeled blocked image from a set of ROIs.
Detect and Count Cell Nuclei in Whole Slide Images
Use color thresholding and region property analysis, while working with small blocks of image data, to detect nuclei in WSIs.
Preprocess Multiresolution Images for Training Classification Network
Prepare datastores that read and preprocess multiresolution whole slide images (WSIs) that might not fit in memory.
Classify Tumors in Multiresolution Blocked Images
Classify multiresolution whole slide images (WSIs) that might not fit in memory using an Inception-v3 deep neural network.
Detect Nuclei in Large Whole Slide Images Using Cellpose
Detect cell nuclei in whole slide images (WSIs) of tissue stained using hematoxylin and eosin (H&E) by using Cellpose.
Classify Tumors in Digital Pathology Images Using Cell Nucleus Morphology
Classify whole slide image (WSI) patches as normal or cancerous using pathomics.
使用深度学习进行三维脑肿瘤分割
此示例说明如何基于三维医学图像执行脑肿瘤的语义分割。
Process Large GeoTIFF File as Blocked Image
Efficiently apply and visualize image processing operations on a large GeoTIFF file using a low-resolution mask.
Crop and Mask Large GeoTIFF File Using Shapefile
Efficiently crop and mask a large GeoTIFF file using a shape from a shapefile.
