Samsung SONOACE R5 Manual do Utilizador Página 114
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Operation Manual
3D Mode
3D
The 3D Mode displays tissues or objects in the human body as three-dimensional images instead of two-
dimensional images.
The 3D mode uses the Volume data acquired by the probe as continuous 2D images for rendering,
producing three-dimensional volume data displays of objects that can better assist in the diagnosis
process.
Volume rendering refers to the calculation process used in formulating a 3D volume structure from 2D
scans. Using the gray value of the light path through each pixel of the 2D image, the corresponding voxel,
or volume element, of the 3D image is calculated. The rendering algorithm determines the way the way
the 3D structure is visualized. Surface rendering is employed in the SONOACE R5.
How to Improve 3D Image Quality
X
Consider the direction, division and size of the viewpoint, as well as the visibility of an object.
X
Before 3D scanning, adjust the contrast of the specic textures in 2D Mode.
X
The ROI box determines the contents of the image box to be rendered. The images outside the
ROI box, except for the ultrasound data, are not included in the rendering process and are cut
out.
X
The bigger the ROI box, the slower the rendering speed. Therefore, set an appropriate ROI box
size.
X
To determine surface contour, the surfaces of objects should be insulated with hypo-echoic
textures - such as amniotic uid - which don’t generate echos.
X
To obtain a high quality 3D surface, adjust the low-threshold value.
X
In order to acquire a clear image from the ROI box start boundary to the specic surface, noise
can be eliminated if the gray scale value is smaller than the surface value.
X
High-threshold is generally set at the maximum value of 255. If the Surface Rendering Algorithm
is higher than the threshold value, it marks the boundaries of the surface. The boundary can be
adjusted with the threshold-high slider.
- Volume 1 1
- Safety Requirements 8
- Declarations: 9
- Read This First 10
- If You Need Assistance 11
- Revision History 12
- Table of Contents – Volume 1 13
- Chapter3 Starting Diagnosis 14
- Table of Contents 15
- Chapter 1 17
- Indication for Use 19
- Safety Signs 20
- Chapter 1 Safety 21
- Electrical Safety 24
- Mechanical Safety 33
- Safety Note 34
- Biological Safety 35
- Applying ALARA 36
- Direct Controls 36
- Indirect Controls 37
- Receiver Controls 37
- Additional Considerations 38
- Output Display Features 38
- Mechanical Index (MI) Display 39
- Thermal Index (TI) Display 39
- 2D-mode Controls 41
- Color and Power Controls 42
- M-mode and Doppler Controls 42
- Sample Volume Depth 43
- Application 43
- Related Guidance Documents 44
- - (0.23 alf) 45
- -(0.069 lf) 45
- Systematic Uncertainties 47
- Environmental Protection 49
- Introduction 51
- Specications 53
- Product Conguration 55
- Adjusting Brightness 56
- Control Panel 57
- Chapter 2 Introduction 59
- Keyboards 60
- Adjusting Control Panel 61
- Rear Panel 63
- Power Connection Part 64
- Peripheral Devices 65
- N N 66
- Connecting probes 67
- Accessory 68
- Starting Diagnosis 69
- Power Supply 71
- Probes & Applications 72
- Probe Setting Change 73
- Editing BodyMarker 74
- Add BodyMarkers 75
- Delete BodyMarkers 75
- Back to default BodyMarker 75
- Delete all BodyMarkers 75
- Save BodyMarkers 75
- Calc Sequence 76
- Patient Information 77
- Registering a New Patient 78
- [Figure 3.5 Search] 81
- Modifying Patient Information 83
- Diagnosis Modes 85
- Information 87
- Basic Use 88
- Frequency 89
- Harmonic 90
- Basic Modes 91
- Starting 2D Mode 92
- 2D Mode Menu 92
- Trapezoid 94
- 2D Mode Softmenu 96
- Entering and Exiting M Mode 97
- M Mode Screen 98
- M Mode Menu 98
- M Mode Softmenu 99
- Color Doppler Mode 100
- C Mode Screen 101
- C Mode Menu 101
- Operation Manual 102
- C Mode Softmenu 103
- Power Doppler Mode 104
- PD Mode Softmenu 105
- PD Mode Menu 105
- PW Spectral Doppler Mode 106
- Sample Volume 107
- Chapter 4 Diagnosis Modes 109
- Baseline 110
- Combined Modes 111
- Changing Menu 112
- Dual Mode 113
- 3D Mode 114
- Acquiring a 3D Image 115
- Viewing a 3D Image 116
- 3D Image Optimization 117
- Position 118
- Magnication 119
- Cut Mode 119
- Multi planar 120
- Reference Plane 120
- Measurements And 123
- Calculations 123
- Measurement Accuracy 125
- Ultrasound Velocity 126
- Doppler Signal Adjustment 126
- Aliasing 126
- Calculation Equation 126
- Human Error 126
- 2D Mode 127
- Doppler Mode 127
- Measurement Accuracy Table 128
- PW Spectral Doppler Mode 129
- Basic Measurements 130
- Distance Measurement 131
- 2D Distance (Trace) 132
- 2D Hip Joint 133
- M Distance 134
- Doppler Velocity 134
- Doppler Velocity (A/B) 135
- Doppler Trace 135
- 2D Ellipse 136
- Area = , (a, b: Axis) 137
- 22D Trace 137
- Volume Measurement 138
- Distance + Ellipse 139
- Things to note 140
- Softmenu 141
- Common Measurement Methods 142
- Limited Trace 143
- Manual Trace 143
- Volume Flow Measurement 144
- Stenosis Measurement 145
- OB Calculations 146
- Measurement Menu 147
- Automatic Calculation 150
- AFI (Amniotic Fluid Index) 150
- GYN Calculations 151
- Cardiac Calculations 153
- Vascular Calculations 158
- Urology Calculations 161
- 3 Distance 162
- 3 Distance * Factor 163
- Ellipsoid 163
- Sum of 20 Disks 165
- Fetal Echo Calculations 166
- Report 169
- Viewing Report 170
- Editing Report 170
- Comment 170
- Printing out Report 170
- Exporting Report 170
- Graph Function 171
- Viewing Graph 172
- Viewing History 172
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