영상 디스플레이에 주석을 표시하고 ROI 그리기

영상 위에 마스크와 레이블을 겹쳐 표시하고, 다양한 형태의 관심 영역을 그리기

이 툴박스는 원, 타원, 다각형, 직사각형, 손으로 그린 형태 등 여러 형태의 ROI를 만드는 데 사용할 수 있는 일련의 객체를 지원합니다. 객체를 만든 뒤에는 형태, 위치, 모양, 동작을 수정할 수 있습니다.

함수

`imoverlay`	2차원 영상에 이진 마스크 새기기
`labeloverlay`	2차원 영상에 레이블 행렬 영역 겹치기
`uipaint`	Draw using paintbrush in viewer window (R2026a 이후)

uidraw Interactively draw ROI in viewer window (R2026a 이후)

`drawassisted`	Create customizable freehand ROI with assistance from object edges
`drawcircle`	Create customizable circular ROI
`drawcrosshair`	Create customizable crosshair ROI
`drawcuboid`	Create customizable cuboidal ROI
`drawellipse`	Create customizable elliptical ROI
`drawfreehand`	Create customizable freehand ROI
`drawline`	Create customizable linear ROI
`drawpoint`	Create customizable point ROI
`drawpolygon`	Create customizable polygonal ROI
`drawpolyline`	Create customizable polyline ROI
`drawrectangle`	Create customizable rectangular ROI

`AssistedFreehand`	Assisted freehand region of interest
`Circle`	Circular region of interest
`Crosshair`	Crosshair region of interest
`Cuboid`	Cuboidal region of interest
`Ellipse`	Elliptical region of interest
`Freehand`	Freehand region of interest
`Line`	Line region of interest
`Point`	Point region of interest
`Polygon`	Polygonal region of interest
`Polyline`	Polyline region of interest
`Rectangle`	Rectangular region of interest

`draw`	대화형 방식으로 ROI 그리기 시작
`reduce`	Reduce density of points in ROI
`beginDrawingFromPoint`	Begin drawing ROI from specified point
`inROI`	Query if points are located in ROI
`bringToFront`	Bring ROI to front of Axes stacking order
`wait`	Block MATLAB command line until ROI operation is finished

Subsample or Simplify a Freehand ROI
This example shows how to subsample or reduce the number of points in a Freehand ROI object.
Create Freehand ROI Editing Tool
This example shows how to create a simple tool to edit the shape of a freehand ROI using another ROI object.
Use Wait Function After Drawing ROI
This example shows how to define a custom wait function that blocks the MATLAB® command line until you finish positioning a rectangle.
Create Image Comparison Tool Using ROIs
This example shows how to use the new ROI functions to create an interactive image comparison tool.