Datavideo DVK-300HD Скачать руководство пользователя страница 32 | Manualshive

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Datavideo DVK-300HD Скачать руководство пользователя страница 32

16

DVK-300HD

After enabling the chromatic keying function, the following effect is obtained

Comments:

It should be borne in mind that in this case the object may only move within the area

of the cut off mask – otherwise the object will disappear.

Drawing 31.

A view after a

Garbage mask

correction with the keying algorithm switched off

Drawing 32.

A view after the

Garbage mask

correction with the keying algorithm switched on

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Содержание DVK-300HD

Страница 1: ...HD CHROMA KEYER DVK 300HD Quick Start Guide www datavideo com Jul 18 2013 P N G082060684B1 ...

Страница 2: ... 6 Typical Link Map 7 Install DVK 300HD software 8 DVK 300HD software 9 Key Mode 9 Make background s matte perfect black 10 Making anchor s matte solid white 11 Spill suppression 12 Edge Brightness 12 Post process 13 User presets 14 Garbage mask 14 Hardware status 14 Memories file 15 Configuration Area 16 Specification 18 Service Support 19 ...

Страница 3: ...oreground signal after keying process Video inputs SD HD and 3G Background inputs SDI DVI I HDMI DVI VGA in case of VGA input the best quality will be available when VGA resolutions will be as close as possible to output resolution Camera inputs foreground SDI HDMI Video outputs SD HD and 3G output will be in same resolution as camera input Main output 1 2xSDI foreground background or matte view M...

Страница 4: ...5 Functions Front Panel Power Switch Powers the DVK 300HD On Off Input Source Indicate CAMERA IN Display the camera input source SDI HDMI BACKGROUND IN Display the background input source SDI DVI ...

Страница 5: ...DI input signal from your HDMI or SDI equipped Camera or device BACKGROUND IN Receives SDI DVI I input signal from your SDI DVI I equipped Camera or device OUTPUT HDMI SDI output signal connects MATTE OUT is for preview black white Level chroma key effect SDI output SDI connect is for program output DC IN DC in socket connect the supplied 12V PSU to this socket The connection can be secured by scr...

Страница 6: ...7 Typical Link Map ...

Страница 7: ... connect to Laptop or PC and then uses DVK 300HD software control the all functions Step1 Please click to install DVK 300HD software Step2 Step by Step install the DVK 300HD software to finish Step3 When finished please double click the icon to execute the software ...

Страница 8: ...0HD software Key Mode Select key function is CHROMA KEY LUMA KEY DISABLE KEY Click color bar to select background color is green or blue Click this button will display the how to quick setup DVK 300HD software ...

Страница 9: ...e best way is to use Black Level and in harder cases i e when edge of the anchor is getting too sharp Tolerance In most cases to achieve proper matte black for the background the first of two sliders mentioned above is enough Matte view after changing neutral values to get black background s matte Black level 180 Although on the shown example the Black level was enough it is not the rule that it h...

Страница 10: ...en White Level slider won t help because it will cause the background to be also visible again The idea of this step is to try to get solid anchor s matte without losing perfect black on the background If it proved to be impossible then the last chance is to work with Tolerance sliders Now we solid white anchor s matte and have perfect black background s matte The main rule on working with sliders...

Страница 11: ...olour from a foreground object Higher values will add some colours different from a background colour What it also means is that with high DeSpill Power it can also makes edges and other parts close to background colour darker or brighter depending if DeSpill Color will be lower or higher than 500 value Despill fine helps to remove rest of the spill which was not removed with Despill Coarse Its de...

Страница 12: ...e anchor similar colour tone as loaded virtual studio to help the anchor to look more natural To do this first the user need to choose the colour which is similar to main colour of the loaded set by clicking on Ambient color square and picking it from colour dialog Then the only thing to do is to adjust the Intensity of the ambient colour Unnatural warm colours of anchor on set with blue colours o...

Страница 13: ...to four user memories All settings and preferences are stored This function is stored in DVK 300HD Garbage mask Removes any problematic edges on the Right side of the subject 0 leaves the edge unaffected 1000 is the maximum mask Hardware status This menu is for information only It displays the software version and video status etc ...

Страница 14: ...15 Memories file This button is for reset all settings Load settings from the user memories file Stores all current settings to memories file This function is stored in your computer ...

Страница 15: ...16 Configuration Area This button is to change DVK 300HD device Configuration DVK 300HD network input output etc This function is to change DVK 300HD device name ...

Страница 16: ...17 This function is for firmware update This function is for Network configuration This function is for input configuration This function is for output configuration ...

Страница 17: ...p25 1080p30 SMPTE 292M 1080p50 1080p59 94 1080p60 SMPTE 425M HDMI Formats 480i 576i 720p50 720p59 94 720p60 1080i50 1080i59 94 1080i6 0 1080p25 1080p30 1080p50 1080p59 94 1080p60 Background Input SDI Formats 576i 480i SMPTE 259M C 1080i50 1080i59 94 1080i60 720p50 720p59 95 720p60 1080p25 1080p30 SMPTE 292M 1080p50 1080p59 94 1080p60 SMPTE 425M HDMI DVI Formats 480i 576i 480p 576p 720p50 720p59 94...

Страница 18: ... ...

Страница 19: ...iption of the functions 18 4 1 Mode 18 4 1 1 Chroma key 18 4 1 2 Luma key 18 4 1 3 Disable key 18 4 2 Chromatic key functions 18 4 2 1 Chrominance keyer 18 4 2 1 1 Background color Green Blue 18 4 2 1 2 Default 19 4 2 1 3 Detect LRGB 19 4 2 1 4 New setup Wizard 19 4 2 2 Matte control 19 4 2 2 1 Show alpha matte 19 4 2 2 2 Black level 20 4 2 2 3 White level 20 4 2 2 4 Denoise 20 4 2 3 Tolerance cor...

Страница 20: ...ection 23 4 4 3 1 Enable 23 4 4 3 2 Brightness 23 4 4 3 3 Contrast 23 4 4 3 4 Saturation 24 4 4 3 5 Ambient color 24 4 4 3 6 Intensity 24 4 4 4 Hardware status 24 4 4 4 1 Connected to 24 4 4 4 2 Work format 24 4 4 4 3 Cam format 24 4 4 4 4 BKG format 24 4 4 5 Main window functions 24 4 4 5 1 Reset all 24 4 4 5 2 Load setting 24 4 4 5 3 Save setting 24 4 4 5 4 Change device 24 4 4 5 5 Configuration...

Страница 21: ...hod of setting parameters that involves six simple steps through which the user is led by a special setting creator Thanks to this even a relatively inexperienced user will be able to set optimum key parameters and the end result will be impressive The key is set quickly and as simply as possible just by following the steps listed below 1 Selection of the keying colour and setting of the key mask ...

Страница 22: ... In this configuration the PC where is running the application should belong to the same subnet connected to the router 2 1 Dynamic IP adress assignment After connecting the power and network cable each of the devices by 30 seconds automatically attempts to retrieve the IP address of the network in accordance with the principle of dynamic al location of IP addresses your router When it fails the I...

Страница 23: ...ange the name of the device open the application DVK 300HD Chroma Key select a device from the list of available devices select the Configuration button located at the bottom right of the main window select the Change button in the Device info set the device name and accept the settings via the Save button Drawing 3 Section setting the device name Drawing 4 The window for changing the name of the ...

Страница 24: ...ut should be selected This setting depends on the keying background used There are two possibilities green or blue The choice is made by clicking on Background color in the Chrominance keyer section If the colour of the keyed out background is not uniform the user can make use of the Detect button which will calculate the background s RGB parameters using the automated average If the parameters ca...

Страница 25: ... to perfect black as possible In order to do that the Black level slider should be moved until black is distributed as evenly as pos sible on the mask background Drawing 9 The Show alpha matte view Drawing 10 The Black level slider Drawing 11 A view after a Black level adjustment ...

Страница 26: ...lour In this case an adjustment can be made using the function known as White level By moving the slider from the maximum value to the left you can obtain a perfect distribution of white on a given object In many cases the option White level will be used in conjunction with the option Black level in order to obtain possibly most effective settings of the black background with no losses on white ob...

Страница 27: ... It improves in particular the visibility of an object in the case of a significant difference in luminance between the background and the object This means that semi transparent objects e g a glass or glasses become more distinct A view before and after an adjustment is presented in Drawings 17 and 18 Re 1 The Color function is also used to bring about another effect Once the option Show alpha ma...

Страница 28: ...ions in the Spill correction section will eliminate the reflec tion in the object of the colour of the keyed background Drawing 19 A view before a Color adjustment Drawing 20 A view after a Color adjustment Drawing 21 Impact of the background colour on the object a view before a Despill correction ...

Страница 29: ...nd green if the background is blue The value of the algorithm is controlled by means of the Despill coarse function If the keyed background is green after a certain threshold of the Despill coarse function is crossed the green component is entirely eliminated from the object in the RGB red green blue space which results in the transition of colours into the purple magenta area Another function ena...

Страница 30: ...o high 3 4 Additional correction to improve quality The Edge brightness function is used to correct semi transparent areas e g hair ends that need to be darkened or brightened in order to make an object look natural Drawing 25 Impact of the background on the object a view after a Despill correction Drawing 26 The Edge brightness slider Drawing 27 A view before an Edge brightness adjustment Drawing...

Страница 31: ...ht up down This function is used if the view of the keyed background is not large enough to fill in the entire object shot By cutting the remaining elements by means of the sliders Left Right Top Bottom it is possible to place the object within the area of the keyed background Drawing 29 The Garbage mask section Drawing 30 A view from the camera area ...

Страница 32: ... be borne in mind that in this case the object may only move within the area of the cut off mask otherwise the object will disappear Drawing 31 A view after a Garbage mask correction with the keying algorithm switched off Drawing 32 A view after the Garbage mask correction with the keying algorithm switched on ...

Страница 33: ...nal colour brightness to be introduced into the picture Contrast this enables the contrast between colours to be increased Saturation this enables colour saturation to be boosted Ambient Color this enables an ambient component to be introduced into the picture Intensity this enables the ambient colour intensity to be set In order to match an object with a background the correction function should ...

Страница 34: ... function switches the DVK 300 off 4 2 Chromatic key functions 4 2 1 Chrominance keyer 4 2 1 1 Background color Green Blue This function enables the keyed background colour to be selected between green and blue The reference colour i e the keyed colour Background color should be defined at point 0 on the x axis and then the distance x which will constitute the maximum colour difference between the...

Страница 35: ...erage of the background of the RGB parameters 4 2 1 4 New setup Wizard This function enables the settings window together with a description of a given functionality to be activated 4 2 2 Matte control 4 2 2 1 Show alpha matte This function enables the mask view to be switched on or off the view is presented in grayscale where an area fully transparent is black an area fully non transparent is whi...

Страница 36: ...keyed colour taking account of differences in luminance In the case of objects with a significant difference in luminance between the back ground colour and that of the object the alpha value is increased 4 2 3 2 Color 1 This function enables the colour green to be added to the algorithm if green is used as the keyed colour 2 This function enables the colour blue to be added to the algorithm if bl...

Страница 37: ...lue of the algorithm 1 Despill color value 0 Despill coarse range 0 1000 If green is the keyed colour the green component should be removed from the object on which the background colour is reflected Similarly if blue is the keyed colour then the blue component should be removed 2 Despill color value 1000 Despill coarse range 0 1000 The red component is added to the object on which the background ...

Страница 38: ...of transparency on the colour distace from keyed colour due to luminance is presented in the chart below 4 3 2 Matte control 4 3 2 1 Show alpha matte This function enables the mask view to be switched on or off the view is presented in grayscale where an area fully transparent is black an area fully non transparent is white 4 3 2 2 Cut off This function enables the extension of the range of transp...

Страница 39: ...sliders It operates as one of the presets saved in the device 4 4 2 Garbage mask 4 4 2 1 Left Right Top Bottom This function is used to reduce the mask size by cutting it in the directions left right up down 4 4 2 2 Reset This function enables restoration of the default settings of the Garbage mask 4 4 3 Post correction 4 4 3 1 Enable This option activates and deactivates the post correction funct...

Страница 40: ...at of the camera 4 4 4 3 Cam format This is the input format of the camera 4 4 4 4 BKG format This is the input format of the background 4 4 5 Main window functions 4 4 5 1 Reset all This function enables the sliders to be moved to their default positions 4 4 5 2 Load setting This function enables slider settings to be loaded from file 4 4 5 3 Save setting This function enables the current slider ...

Страница 41: ...t shows the firmware version Network configuration this option enables network settings to be configured Inputs configuration this option enables the interface type to be set for the camera input and the background Outputs configuration this is the preview output type 4 4 5 6 Exit This function enables exit from the program Drawing 45 The device configuration settings window ...

Страница 42: ...26 DVK 300HD Drawing 46 The main Key control window ...

Страница 43: ...Slider Chroma Key 20 Edge correction Edge brightness 0 1000 500 Slider Chroma Key 21 User presets Name of preset Pressed unpressed UnPressed Button Common 22 User presets Save preset Pressed unpressed UnPressed Button Common 23 Garbage mask Left 0 1000 0 Slider Common 24 Garbage mask Right 0 1000 1000 Slider Common 25 Garbage mask Top 0 1000 0 Slider Common 26 Garbage mask Bottom 0 1000 1000 Slide...

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