Allied Vision Technologies Goldeye CL-008 SWIR Скачать руководство пользователя страница 58 | Manualshive

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Image processing

Goldeye Technical Manual

V2.2.0

58

The reference images are stored in several files within the flash and are directly
transferred into the correction memory following the camera start-up. The
parameter A indicates the file number of the correction image at low reference
temperature T

A

. The parameter

B

serves the same purpose for the reference

image at temperature T

B

.

For improvement of image quality the camera usually is delivered ex-factory
with several sets of correction data, which are determined for diverse operating
conditions.

Diverse correction images (

A

,

B

) may exist including the according set values

(

J

,

K

). These correction images are loaded to the correction memory during

the camera start-up.

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Содержание Goldeye CL-008 SWIR

Страница 1: ...Technical Manual SWIR Cameras with GigE interface P SWIR Cameras with Camera Link interface CL V2 2 0 30 April 2012 Allied Vision Technologies GmbH Taschenweg 2a D 07646 Stadtroda Germany AVT Goldeye...

Страница 2: ...vided by Allied Vision Technologies is supplied without any guarantees or warranty whatsoever be it specific or implicit Also excluded are all implicit warranties concern ing the negotiability the sui...

Страница 3: ...eye CL 032 SWIR Cool Goldeye CL 032 SWIR F Mount Cool 19 Spectral sensitivity 21 Camera dimensions 22 Goldeye P 008 SWIR Goldeye CL 008 SWIR 22 Goldeye P 008 SWIR Cool Goldeye CL 008 SWIR Cool 24 Gold...

Страница 4: ...et jack 53 Image processing 54 Image processing chain 54 Two point correction 55 Background correction 55 Bad pixel correction 55 Correction data 55 Correction sets 56 File system 56 Short introductio...

Страница 5: ...reference for AVT Goldeye cameras 92 DeviceInformation 92 ImageSizeControl 92 AcquisitionControl 93 AnalogControls 93 CameraSpecialFeatures 94 CameraSpecialFeatures TwoPointCorrection 95 CameraSpecia...

Страница 6: ...9 36428 677 28 e mail info alliedvisiontec com Allied Vision Technologies Canada Inc 101 3750 North Fraser Way Burnaby BC V5J 5E9 Canada Tel 1 604 875 8855 Fax 1 604 875 8856 e mail info alliedvisiont...

Страница 7: ...chnical Manual V2 1 0 23 01 12 Corrections in Chapter Specifications Deleted Mono8 corrected manual gain up to factor 10 added 0 in Power requirements corrected mass in Chapter Goldeye P 008 SWIR Gold...

Страница 8: ...m last page V2 1 0 continued 23 01 12 continued continued Internal GigE interface instead of GIP1000 module in Table 21 Camera standard feature AcquisitionControl on page 45 Gain instead of High speed...

Страница 9: ...important for the operation of an ex factory preconfigured camera Most probably the information stated here will be sufficient for most of the users Chapter Advanced parameters and commands on page 64...

Страница 10: ...ye Goldeye For Goldeye CL cameras refer to the documentation of the grabber manufacturer Safety warnings Note This symbol highlights important information Caution This symbol highlights important inst...

Страница 11: ...ution Environmental conditions Operate the camera in dry and dust free environment Regardingthe signal quality of thecamerait is an advantage to operate the camera under constant ambient air temperatu...

Страница 12: ...meras of the AVT Goldeye family to which this declaration relates are in conformity with the following standard s or other normative document s CE following the provisions of 2004 108 EG directive RoH...

Страница 13: ...up to 186 fps reduced resolution Exposure time 32 s 100 ms 32 s 1 s Cooling Goldeye P 008 SWIR Cool only Peltier cooled 0 C stabilized ADC 14 bit Digital interface Gigabit Ethernet IEEE 802 3 1000BASE...

Страница 14: ...rature without condensation Goldeye P 008 SWIR Cool 0 C 40 C ambient temperature without condensation Storage temperature 30 C 70 C ambient temperature without condensation Relative humidity operating...

Страница 15: ...t short exposure times built in correction data sets gain offset correction NUC non uniformity for each pixel bad pixel correction background FPN correction continuous mode image acquisition with maxi...

Страница 16: ...ture without condensation Goldeye CL 008 SWIR Cool 0 C 40 C ambient temperature without condensation Storage temperature 30 C 70 C Relative humidity operating and storage 10 95 without condensation Re...

Страница 17: ...hpixel bad pixel correction background FPN correction continuous mode image acquisition with maximum frame rate image on demand mode triggered image acquisition With AVT s AcquireControl software pseu...

Страница 18: ...and specifications for the products described above may change without notice Note The right polarization of the 12 V supply voltage must be assured The warranty becomes void in case of unauthorized t...

Страница 19: ...pixel correction background FPN correction continuous mode image acquisition with maximum frame rate image on demand mode triggered image acquisition With AVT s AcquireControl software pseudo color L...

Страница 20: ...nd specifications for the products described above may change without notice Note The right polarization of the 12 V supply voltage must be assured The warranty becomes void in case of unauthorized ta...

Страница 21: ...y Figure 1 Spectral sensitivity of Goldeye P 008 SWIR Goldeye P 008 SWIR Cool Goldeye CL 008 SWIR Goldeye CL 008 SWIR Cool Figure 2 Spectral sensitivity of Goldeye P 032 SWIR Cool Goldeye P 032 SWIR F...

Страница 22: ...SWIR Goldeye CL 008 SWIR Figure 3 Camera dimensions Goldeye P 008 SWIR Goldeye CL 008 SWIR front side GigE side CL C Mount Connection 90 71 UNC 1 4 UNC 1 4 M3 max screw depth 7 mm 4 5 mm 3 mm 50 70 1...

Страница 23: ...Power indicator L4 Red Trigger input activity L5 Red Frame output activity Table 7 Description of LEDs Goldeye P 008 SWIR LED Color Description L1 Green Power indicator L2 Red Camera is operational L3...

Страница 24: ...e 5 Camera dimensions Goldeye P 008 SWIR Cool Goldeye CL 008 SWIR Cool front side GigE side CL back GigE back CL 71 M6 UNC 1 4 UNC 1 4 M6 max screw depth 7 mm 7 mm 7 mm 7 mm 12 31 53 66 77 97 101 C Mo...

Страница 25: ...er Green Power indicator L4 Red Trigger input activity L5 Red Frame output activity Table 9 Description of LEDs Goldeye P 008 SWIR Cool LED Color Description L1 Green Power indicator L2 Red Camera is...

Страница 26: ...gE side C Mount CL back GigE back CL Temp 44 Power Control connection Camera Link connection 90 99 44 M6 UNC 1 4 UNC 1 4 M6 max screw depth 7 mm 7 mm 7 mm 7 mm 12 31 53 66 71 72 104 111 115 8 C Mount...

Страница 27: ...emperature is OK Power Green Power indicator L4 Red Trigger input activity L5 Red Frame output activity Table 11 Description of LEDs Goldeye P 032 SWIR Cool LED Color Description L1 Green Power indica...

Страница 28: ...t side F Mount GigE side F Mount CL back GigE back CL 90 99 71 M6 UNC 1 4 UNC 1 4 M6 max screw depth 7 mm 7 mm 7 mm 7 mm 12 31 53 66 F Mount Connection 72 126 1 92 130 1 Temp 44 Power Control connecti...

Страница 29: ...re is OK Power Green Power indicator L4 Red Trigger input activity L5 Red Frame output activity Table 13 Description of LEDs Goldeye P 032 SWIR F Mount Cool LED Color Description L1 Green Power indica...

Страница 30: ...hernet interface The camera functions are controlled via GigE Vision features which are inter nally mapped to the CC1 to CC4 signals or the corresponding serial commands Refer to the corresponding cha...

Страница 31: ...els See Chapter High speed mode CC2 Goldeye xy 008 only on page 46 See Chapter Timing FVAL LVAL DVAL PCLK on page 48 1 320 x 256 pixels CC3 0 Gain x10 See Chapter Gain CC3 on page 47 1 Gain x1 CC4 0 I...

Страница 32: ...the camera s serial port also over the Gigabit Ethernet interface or PC standard COM ports Type CTRL Y to get a camera control terminal window there By default the serial interface uses the following...

Страница 33: ...nce it is good practice to check the serial communication by sending just a CR to the camera and verify that the com mand prompt is returned There is an input buffer holding a few characters but no ha...

Страница 34: ...ure time The assignment between exposure time and correction data set can be listed with the command V 1 By means of the parameter S the address of the active correction data set can be adjusted Examp...

Страница 35: ...Start up Goldeye Technical Manual V2 2 0 35 Note For more information see Chapter Image processing on page 54...

Страница 36: ...l V2 2 0 36 Camera interfaces This chapter gives you information on the control junction inputs and outputs and trigger features www For accessories like cables see http www alliedvisiontec com emea p...

Страница 37: ...re 9 Camera I O connector pin assignment Goldeye xy Goldeye xy Pin Signal Direction Level Description 1 External Power 12 V DC 0 5 Power supply max 2 8 A Goldeye P 008 max 1 3 A Goldeye P 032 dependin...

Страница 38: ...for manually con trolling the camera Mode input pin 9 The mode input provides a method for switching the camera between the con tinuous operation and image on demand IOD mode using an externally appli...

Страница 39: ...ation Chapter IODmode CC4 on page 47 The image acquisition is started with approximately 1 s delay due to the rising edge of the pulse at the trigger input The current 1 which flows through the optoco...

Страница 40: ...63 4 s Goldeye xy 032 longer than the real exposure After end of exposure the 256 Goldeye xy 008 or 508 Goldeye xy 032 lines of the sensor are read out to the digital output Line sync output pin 14 T...

Страница 41: ...V2 2 0 41 Frame sync output pin 15 The frame sync output is only active in continuous operation The frame sync output active low supplies approx 900 mV at a termination with 75 Figure 14 Frame sync ou...

Страница 42: ...nectors cables and components for transmission and reception Three different configurations base medium and full are available distinguishing between the numbers of parallel transferred data bits Whil...

Страница 43: ...Data interface Goldeye Technical Manual V2 2 0 43 Figure 15 Camera Link signals in base configuration Goldeye CL Camera Cable Grabber...

Страница 44: ...more information see Chapter Trig ger input pin 10 11 on page 39 The two trigger sources are internally com bined with an OR gate By activating the CC1 input signal the active exposure of the sensor...

Страница 45: ...itter Goldeye xy 008 Goldeye xy 032 tF 10 ms 5 4 ms tp tF The period duration tp must be at least as long as the image time tF tp texp 0 5 ms Must be kept tF 33 3 ms tp tF The period duration tp must...

Страница 46: ...ode Modifies the trigger mode of the camera When the trigger mode is Off the camera will generate frames independently When the trigger mode is On the camera is switched to the so called IOD Image On...

Страница 47: ...n demand mode is set The camera will output one image for every exposure impulse it receives via trigger input CC1 or optocoupler input If CC4 is logically 1 the camera operates in continuous mode As...

Страница 48: ...high data rate would occur at the grabber and because of this a multiple of the really needed data volume ought to be moved within the storage of the receiver Now the DVAL signal offers the oppor tuni...

Страница 49: ...Data interface Goldeye Technical Manual V2 2 0 49 The following diagrams illustrate these facts Figure 16 Timing diagram Goldeye xy 008 320x256...

Страница 50: ...Data interface Goldeye Technical Manual V2 2 0 50 Figure 17 Timing diagram Goldeye xy 008 320x160...

Страница 51: ...Data interface Goldeye Technical Manual V2 2 0 51 Figure 18 Timing diagram Goldeye xy 032...

Страница 52: ...data is output as 12 bit values A bit assignment for 12 bit grey values according to the Camera Link specification is used Camera Link Port 1 x 12 Bit A0 D0 LSB A1 D1 A2 D2 A3 D3 A4 D4 A5 D5 A6 D6 A7...

Страница 53: ...onnector The data connection between camera and PC can be established via a standard CAT5e patch cable Pin assignment of the Gigabit Ethernet jack Note For more information see the Pleora iPORT PT1000...

Страница 54: ...in TheGoldeyexy firmwarehasvariouscorrectionmoduleswhicharecombined in a chain A module receives the source image data at the input processes them and further supplies the modified data at the output...

Страница 55: ...ion Background correction Bad pixel correction Two point correction With help of the two point correction likewise gain offset correction the nor mally distinctive underground structure of the image s...

Страница 56: ...ia a single byte Regarding to its function this file number is somewhat comparable to the file name including extension from the PC world Valid file numbers are between 1 0x01 and 254 0xFE The file ty...

Страница 57: ...ng two reference images at the light levels TA and TB the data samples can be determined for all pixels Furthermore the digital set values J and K each belonging to the temperatures TA and TB are dete...

Страница 58: ...ction image at low reference temperature TA The parameter B serves the same purpose for the reference image at temperature TB For improvement of image quality the camera usually is delivered ex factor...

Страница 59: ...h each correction set being available in the memory by determining the statistics value of the corrected data Finally that memory page S becomes activated which is showing the best results for the sta...

Страница 60: ...ple Goldeye xy 008 The automatic correction data selection shall always be started approx every 1200 seconds 20 minutes 1200 sec 5 1 sec per count 235 0xEB Goldeye xy 032 The automatic correction data...

Страница 61: ...r the parameters J and K is available In order to enable an access on the values J and K of each correction data set the page address also serves as access address to the register pairs The memory pag...

Страница 62: ...e ambient temperature of the camera Software version and correction data information V The command V 1 shows information of the correction data installed in the non volatile memory The current firmwar...

Страница 63: ...rial terminal It lists a short description for each command available in the firmware Note This function is not available as GigE Vision feature Note This function is not available as GigE Vision feat...

Страница 64: ...Description A File number of the first correction image recorded at low reference temperature B File number of the first correction image recorded at high reference temperature E Two point correction...

Страница 65: ...from the input data In addition the set value J is added as offset to each pixel value 5 One point correction Simple subtraction of the correction data B from the input data In addition the set value...

Страница 66: ...mpted to load the file numbers A 1 then B 1 and so on This process is continued as long as one file number is missing within the file system or the maximum number of correction sets actually 32 had be...

Страница 67: ...set S In case that various correction sets are selectable the set values are factory bunched in one file the number of which is indicated by the parameter N If N is not zero the values for all correct...

Страница 68: ...for the two point correction N value command TPC_SetValue_LowRef Expert Define the set value for the low reference image of the two point correction J value command TPC_SetValue_HighRef Expert Define...

Страница 69: ...64 single images and transfers the result into the correction stor age The initially adjusted file number remains unchanged After acquisition of new reference images the set values J or rather K shou...

Страница 70: ...orrection module Beside the nor mal background correction mode also the actual memory content H U of the integrator can be output In this case the correction module becomes an image source itself It p...

Страница 71: ...ion image H U b 0 Integration deactivated The image store content is not changed 1 Integration 1 image The following image is copied into the image store 4 Integration 8 images The following 8 images...

Страница 72: ...orrection image with the command U does not modify M Only the 12 most significant bits of this 16 bits value are relevant The following table reveals the bit order Example Set the background correctio...

Страница 73: ...ction F 1 CR By means of parameter C the file number of the required correction data is indi cated Ex factorythebadpixelsaredeterminedonetimeandthecorresponding correction data is stored in a special...

Страница 74: ...source itself In this way this module has a simple image store function b Defines the number of images to be integrated and starts the integration process as soon as a new value was set c Controls th...

Страница 75: ...and the result is copied into the image store 5 Integration 16 images The following 16 images are integrated and the result is copied into the image store 6 Integration 32 images The following 32 ima...

Страница 76: ...images sec or poll the state of bit group d with Y 1 H 0 CR GigE Feature Name Feature Visibility Description IIS_OperationMode Expert Operation mode of the integrator and image store H value command...

Страница 77: ...t change the baud rate if you control the camera via GigE Vision features s 2A Baud rate F E D C B A 9 8 7 6 5 4 3 2 1 0 e a a x x x x rw rw rw rw rw rw rw Bit group Value hex Description x O 110 Baud...

Страница 78: ...start of the camera they are automatically restored However neither new recorded correction images nor modified set values J and K for all valid S are stored and will therefore be lost after the came...

Страница 79: ...case and are 1 to 4 digits long The command is activated by sending a carriage return character CR ASCII character number 0x0D Serial communication operates in echo mode by default This means that eac...

Страница 80: ...x chars consisting of bit fields The function of each bit field is described like this aa Lower case letters label the bits of interest 00 These bits have to be zero _ Separation character for readabi...

Страница 81: ...n data loading from flash NIR 300F Goldeye CL 008 P 008 0 Buffer used during normal mode CC2 high 1 Buffer used during fast AOI mode CC2 low f The shutter s normal inactive state IRC 320 600 Pearleye...

Страница 82: ...age activate the correction if deactivated U 1 and eventually see bit field e set offset to mean value of the new correction image M p16 Bit field f specifies the number of frames to integrate See bit...

Страница 83: ...n A linear compensation term n T o p is added to the pixel data to correct a drift depending on the temperature T The temperature T is measured internally Slope and offset of the linear term are contr...

Страница 84: ...Correction data is recorded during the factory calibration process Changing this parameter or the specified file contents may void ex factory calibration s p8 Configure the UART s for main serial com...

Страница 85: ...ts within the flash it is loaded into the second page of the correction memory This sequential loading procedure is continued as long as one file number in the sequence is missing or the maximum numbe...

Страница 86: ...Image data is passed through transparently 1 Two point correction activated Correction data A and B with set values J and K of the actual correction memory page S are employed 2 Two point correction d...

Страница 87: ...tegrate 32 images and divide by 32 111 Integrate 64 images and divide by 64 Other values undefined c Control of the data copy process usually done after a new image has been integrated Let pass throug...

Страница 88: ...s for the two point correction J K Changing this parameter or the contents of the specified files may void ex factory calibration 0 No set values are loaded The memory content remains uninitialized at...

Страница 89: ...quality Please ensure that the temperature of the camera housing is inside the specified range b PLL state 0 PLL is locked 1 PLL is not locked This should never occur under normal circumstances T 2 Q...

Страница 90: ...100 Integrate 8 images and divide by 8 101 Integrate 16 images and divide by 16 110 Integrate 32 images and divide by 32 111 Integrate 64 images and divide by 64 Other values undefined c State of the...

Страница 91: ...wRef Expert A value TPC_FirstImage_HighRef Expert B value BackgroundCorrection BGC_OperationMode Expert U value BGC_OffsetValue Expert M value LUT LUT_OperationMode Expert G value LUT_CorrectionData_F...

Страница 92: ...rhorizontalbinning decimationoranyotherfunction changing the horizontal dimensions of the image HeightMax This feature represents the maximum height in pixels of the image after vertical binning decim...

Страница 93: ...e so called IOD Image On Demand mode In this mode the camera waits for an external trigger signal or an timer pulse To control exposure and dark time trigger mode must be switched to On ExposureMode S...

Страница 94: ...the correction data set to activate S value command ReloadCameraSpecialFeatures Force a reload of all parameters from the CameraSpecialFeatures section Table 49 Camera special feature Calibration and...

Страница 95: ...f Define the set value for the high reference image of the two point correction K value command TPC_FirstImage_LowRef File number of the first low reference image of the two point correction A value c...

Страница 96: ...value command While reading this feature the MSB shows the state of the integration process 0 Idle 1 Busy Table 54 Camera special feature IntegratorAndImageStore Feature Description BPC_OperationMode...

Страница 97: ...al shutter I 62 exposure output 40 External GND 37 External Power 37 F FCC Class B 12 file system 56 Frame Sync Output 37 Frame sync output 41 G Gigabit Ethernet jack 53 GigE interface 53 GigE jack pi...

Страница 98: ...how help text 63 software version and correction data information V 62 Specifications Goldeye CL 008 SWIR 15 Goldeye CL 008 SWIR Cool 15 Goldeye CL 032 SWIR Cool 19 Goldeye CL 032 SWIR F Mount Cool 19...

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