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Description of the data path
STINGRAY Technical Manual V2.2.0
95
Description of the data path
Block diagrams of the cameras
The following diagrams illustrate the data flow and the bit resolution of
image data after being read from the CCD sensor chip in the camera. The indi-
vidual blocks are described in more detail in the following paragraphs. For
sensor data see Chapter Specifications on page 38.
Black and white cameras
Setting LUT = OFF effectively makes full use of the 14 bit by bypassing the
LUT circuitry; setting LUT = ON means that the most significant 12 bit of the
14 bit are used and further down converted to 10 bit.
Figure 51: Block diagram b/w camera
Sensor
Analog
Gain
Analog
Offset
Analog
ADC
IEEE 1394b
interface
1394b
14 bit
Horizontal
mirror
14 bit
Shading
correction
Camera control
HIROSE I/O
RS232
8 Bit
Frame
memory
16 bit
HSNR
control
14 bit
Horizontal
masking
14 bit
Horizontal
sub-sampling
14 bit
LUT
12
10
14 bit
- Technical Manual 1
- AVT Stingray 1
- Legal notice 2
- Contents 3
- Introduction 11
- Manual overview 14
- More information 17
- Before operation 17
- STINGRAY cameras 19
- Declarations of conformity 20
- FireWire 21
- FireWire in detail 22
- 1394b port 26
- 1394a camera 26
- 1394a port 26
- 1394b camera 26
- 1394b bandwidths 29
- Operating system support 35
- Filter and lenses 36
- Camera lenses 37
- Specifications 39
- STINGRAY F-046B/C (fiber) 41
- STINGRAY F-080B/C (fiber) 43
- STINGRAY F-145B/C (fiber) 45
- STINGRAY F-146B/C (fiber) 47
- STINGRAY F-201B/C (fiber) 49
- Spectral sensitivity 51
- Camera dimensions 57
- Tripod adapter 59
- Cross section: CS-Mount 68
- Cross section: C-Mount 69
- Stingray board level: C-Mount 73
- Camera interfaces 74
- Status LEDs 78
- Normal conditions 79
- Error conditions 79
- Stingray board level models) 90
- Pixel data 93
- Color cameras 97
- White balance 98
- Automatic white balance 101
- Auto shutter 102
- Auto gain 104
- Manual gain 107
- Horizontal mirror function 109
- Shading correction 110
- How to store shading image 111
- Output = f (Input) 117
- Vertical binning 121
- What is sub-sampling? 126
- Description of sub-sampling 126
- Description of the data path 130
- Why new timing modes? 134
- ☺ Disadvantage 136
- Packed 12-Bit Mode 139
- Deferred image transport 141
- HoldImg mode 142
- FastCapture mode 144
- Sharpness 147
- Hue and saturation 148
- Color correction 149
- Color conversion (RGB YUV) 151
- Bulk Trigger 151
- Level Trigger 151
- Serial interface 152
- Name Field Bit Description 153
- Controlling image capture 157
- Trigger delay 162
- Exposure time offset 164
- Minimum exposure time 165
- Extended shutter 165
- One-shot 167
- Exposure 169
- Multi-shot 170
- ISO_Enable / free-run 170
- Asynchronous broadcast 170
- Jitter at start of exposure 171
- Sequence mode 173
- SetupMode to 177
- Disable SetupMode 177
- SIS: Definition 182
- SIS: Scenarios 182
- Area of interest (AOI) 201
- Autofunction AOI 203
- Frame rates 204
- Frame rates Format_7 208
- Test images 217
- Test images for color cameras 218
- Configuration of the camera 219
- ADV_FNC_INQ 222
- Sample program 223
- Example FireStack API 224
- Configuration ROM 225
- 424h + 000004 x 4 = 434h 226
- 440h + 0000xx * 4 = 444h 226
- = value of directory entry 226
- 0-7 8-15 16-23 24-31 226
- Camera initialize register 228
- PIO_Control_Quadlet_Offset 241
- SIO_Control_Quadlet_Offset 241
- Strobe_Output_Quadlet_Offset 241
- Name Description 245
- Format_7 250
- Temperature register 252
- Advanced registers summary 253
- Advanced feature inquiry 258
- Camera status 260
- Maximum resolution 261
- Time base 261
- Look-up tables (LUT) 265
- [8..31] In bytes 268
- Frame information 272
- Input/output pin control 272
- Auto shutter control 274
- Auto gain control 275
- Mirror image 278
- Soft reset 279
- Maximum ISO packet size 281
- Parameter-List Update 285
- Format_7 mode mapping 286
- Secure image signature (SIS) 288
- Cycles Seconds 289
- Cycle count 290
- User profiles 293
- GPDATA_BUFFER 297
- Firmware update 298
- Appendix 299
- , 102, 104, 105, 107, 251 300
- , 115, 118 304
- , 184, 218 304
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