DICOM File Viewer

DICOM File Viewer is a professional desktop medical image viewing and analysis software. It provides medical imaging professionals with complete DICOM (Digital Imaging and Communications in Medicine) file viewing, analysis, and export capabilities.

## Core Functions

### 1. DICOM File Support

- Supports loading and displaying standard DICOM files (.dcm, .dicom)

- Completely parses DICOM metadata information

- Supports multiple medical imaging modalities: CT (Computed Tomography), MR (Magnetic Resonance Imaging), CR/DX (X-ray), US (Ultrasound), MG (Mammography), etc.

- Supports batch loading of all DICOM files in a folder

- Supports slice navigation for multi-frame sequences

### 2. Image Viewing and Manipulation

- **Window Width and Level Adjustment**: Adjust image contrast and brightness using sliders or preset modes

- **Preset Modes**: Quickly switch between preset values ​​for different modalities (soft tissue, bone, lungs, brain, etc.)

- **Zoom Function**:

- Mouse wheel zoom (centered on cursor)

- Precise control with zoom sliders and buttons

- Zoom range: 0.1x to 5.0x

- **Panning Function**: Click and drag to pan the image

- **Rotation Function:** 0-360 degree rotation, supports slider and quick rotate button

- **Reset View:** One-click restore to default zoom, pan, and rotation settings

### 3. Image Enhancement

- **Brightness Adjustment:** -100 to +100 range adjustment

- **Contrast Adjustment:** -100 to +100 range adjustment

- **Gamma Correction:** 0.1 to 3.0 fine adjustment range

- **Color Inversion:** One-click invert image colors for easier observation

- **Reset Enhancement:** Restore the original image appearance

### 4. Measurement Tools

- **Length Measurement:** Draw line segments on the image to measure distance (pixels or millimeters)

- **Angle Measurement:** Measure angles by clicking three points

- **Text Annotation:** Add text annotations to specific locations on the image

- **Measurement List:** View all measurement results, supports individual deletion

- **Clear All:** One-click clear of all measurements and annotations

### 5. Professional Features

- **Full Image Preview:** Click the thumbnail to view the full-size image modal window.

**Drag and Drop Navigation:** Drag and pan in the full image preview to view different areas.

**Measurement Overlay:** All measurements are displayed synchronously in the main view and full image preview.

**Undo/Redo:** Complete operation history system (Ctrl+Z / Ctrl+Y).

**Export Functionality:**

- Export in PNG format (high quality)

- Export in JPG format (compressed format)

- Export in PDF format (including metadata)

### 6. Metadata Display

Complete DICOM metadata categorized display:

- **Patient Information:** Name, ID, Gender, Date of Birth, Age, Weight

- **Examination Information:** Date, Time, UID, Description, Physician, Examination Number

- **Sequence Information:** Date, Time, UID, Serial Number, Description, Modality, Protocol

- **Equipment Information:** Manufacturer, Model, Serial Number, Software Version, Institution

- **Image Parameters:** Size, Pixel Spacing, Slice Thickness, Position, Orientation, Bit Depth

- **Scanning Parameters**: Tube voltage, exposure amount, exposure time, CTDIvol, DLP, echo time, repetition time, flip angle, etc.

## 7. Use Cases

- Medical imaging professionals viewing and analyzing DICOM images

- Medical researchers conducting image data studies

- Medical equipment operators verifying image quality

- Image teaching demonstrations in medical education

- Clinical diagnostic aids