INTRODUCTION TO VIDEO ANALYSIS USING SILICONCOACH
Contents
1. 20188 FT clinical education retail sport o siliconcoach video analysis solutions 8 Drawings You can draw on the screen then save the drawings and overlay them on future timewarp sessions Click on the Drawings tab Create your drawings on the screen then press the Save drawings icon Your drawings will be saved into the Drawings library siliconCOACH timeWARP 2 0 0 8 build 2 0 0 0 File view Help Tagging Exemplars Ovdrlays Drawings ota com performanceprofilerprofessio jedit H E ifreereport OD limewire Application Data Cookies H 3 Local Settings O My Documents My Recent Documents I xj demo TWD S aved drawings SRA D NOMA4Z Controls Settings start Resume Warp Speech Recognition and Remote Control advanced features You can use voice and basic word commands to control the timewarp software without the keyboard Timewarp can also be controlled using a remote control allowing you to move away from the laptop during a session See the HELP menu for more detailed information and set up instructions education c retail sport 2 siliconcoach video analysis solutions 9 Checklist At the end of the training course you should have an understanding of What the timewarp software does and how it can be used in your2. File View Help Taaging Exemplars Overlays Drawings gt x aio Warp BA PI Playback speed controls Setting lead in and lead out times You can adjust the length of the loop to any duration you choose Click on the Settings tab Adjust the number of seconds before the click point lead in and after the click point lead out The total duration of the loop is the lead in plus the lead out time REL 00 00 40 000 00 01 00 000 00 01 20 000 00 01 40 000 00 02 00 000 00 02 20 000 Lead in 2 Lead out 2 E TEES m education c retail sport o siliconcoach video analysis solutions P a 6 Tagging Events In timewarp you can time stamp your loop as a tag so you can easily review important events that have occurred during the timeline Enter a tag name in the label box Press the Tag button Your tag will appear in the file list Repeat as necessary for each tag Double click the file name to view the saved tag in the preview window rg hy gt siliconCOACH timeWARP 2 0 0 8 build 2 0 0 0 il Tex Help Tags appear here Controls Settings 0 000 tart Pause Am Note Choose Healtime if you wish to tag events as they happen live not in the delayed screen Choose Keyboard to assign a shortcut key
3. siliconcoach video analysis solutions INTRODUCTION TO VIDEO ANALYSIS USING SILICONCOACH TIMEWARP clinical education retail sport This training manual is intended to accompany a siliconcoach training session and is designed as a reference tool to help deliver the interactive parts of the course For more in depth assistance please refer to the Help menu in siliconcoach press F1 in Pro or download the comprehensive siliconcoach Timewarp User Manual available from the siliconcoach Timewarp support website http www siliconcoach com SupportCentres Zsupport centers coclinical c education c retail sport CONTENTS What is TimeWarp RRRRRRRRREEEEEEEEEEMM 1 Equipment Considerations eeesesssssssssessssseeeee nennen nennen nennen nnn nsn naar nnn nsns 1 m 1 Shutter OTT m 2 Additional Ligning 2 FOCUS 2 Set up considerations for filming 3 Using the Eco TUR m 4 Adjusting session settings 4 Seting Ne Delay PE 4 gie VilreE igoderoolo 4 Setting lead in and lead out e uice esecda Quse bas tasonxsal at sscu e
4. Siliconcoach Pro for detailed analysis See the concept explained at htto www siliconcoach com SupportCentres support centers and choose the TimeWarp Support Centre Equipment Considerations The following diagram illustrates a typical video analysis system Camera Laptop or PC Video cable Tripod highly recommended Cameras All major brand Mini DV camcorders are compatible A3CCD camera is optional and gives same resolution but better colour A stills camera that captures video or web cams do not provide high quality video for video analysis DVD cameras and most Hard Disk cameras to not have a live output so you will need an AV to USB converter to work with TimeWarp Refer to http www siliconcoach com SupportCentres Zsupport centers and choose HARDWARE from the TimeWarp Support Centre coclinical education retail sport 2 siliconcoach video analysis solutions P a 9 e 2 Shutter speed The shutter controls the period of time that the videotape is exposed to the image light If the image is moving at high speeds then a low shutter speed 1 120 will result in a blurred image A high shutter speed 1 500 to 1 1000 will result in a clear picture The shutter speed on a video camera can be manually controlled depending on the activity being filmed On many cameras you do not have total manual control of the shutter speed but these cameras can be set to a SPORTS mode a
5. 1 9 to your Label 1 list of descriptors Exporting video clips You can export your tagged segments to view in another media program at a later date Highlight the name of the tagged segment you want to export Whilst your tagged file is selected press the appropriate output icon Export options include AVI WMV or a siliconcoach presentation for use in Pro siliconCOACH timeWARP 2 0 0 8 build 2 0 0 0 BRA clinical education retail sport siliconcoach video analysis solutions P a 7 Exemplars You can play movies for comparison whilst still capturing on the main screen Click the Exemplar tab Navigate to the movie you wish to view and double click the file he exemplar movie will start to play You can view either in a small or large window siliconCOACH timeWARP 2 0 0 8 build 2 0 0 0 Click for larger movie then resize to suit Controls Settings E start Resume NM w Overlays You can overlay a still image over your video for analysis purposes However you cannot overlay another video use Pro to do this Click on the Overlay tab Navigate to and double click a bitmap file in your folder The still image will appear over your preview screen create a new bitmap file refer to the Help menu silicon QACH time WARP 7 0 0 8 build 2 0 0 0 4 4 Mm 5 VER
6. coaching setting The equipment needed to use timewarp effectively How to adjust the timewarp settings How to set a delay on screen How to replay and loop key events in the timeline How to set lead in and lead out times How to tag events How to export tagged events in various formats How to use an exemplar video alongside the timewarp screen How to add a still image overlay How to draw lines arrows and shapes on the screen NOTES clinical education retail sport
7. e A d j u st S 7 size mins Bill 856 unavailable of recording file Screen shot folder D My Documents My Pictures Video capture device Mouse button Functions Select a video device fo use If none appear in Choose which mouse button you want to control the timeline Chase the fet connect your camera and turn on or select a timeline Segment Leave the default selection you are Sony DV Device unsure you can always change Jater Select timeline segment Left click Right click D etects wh n ead Chase from clicked point Camera 15 Left click Right click connected 1 Setting the Delay The delay can be adjusted from a few seconds to minutes to an hour The time delay can be changed before or after you press Start When the warp has started the preview screen will change to show the delayed footage no longer real time live capture Taggng Cragg clinical education retail sport o siliconcoach video analysis solutions P a 5 Replaying and Looping You can replay your captured video from any point in time or loop it repeatedly for more detailed review Left click on the blue timeline to start looping a segment Right click on the blue timeline to start replaying from that point in time You can adjust the speed of playback using the button controls siliconCOACH timeWARP 2 0 0 8 build 2 0 0 0
8. ed edtuu ve Er 5 WANING OS A LT 6 EOIN VOCO NN T 6 BUS soc TE 7 SI 7 AWS es canst weds ED 8 Speech Recognition and Remote Control advanced features 8 acus 9 NOTE This manual is for TW V3 and TW V4 has a slightly different interface however the same principles apply clinical c education c retail sport 2 siliconcoach video analysis solutions P a 9 1 What is TimeWarp Timewarp is a software program that allows you to watch delayed video playback of a movement immediately after it is performed Once the required time delay is set the operation is hands free and provides instant visual feedback Allows athletes to study their own technique Athletes can train on their own using technique guidelines prepared by a coach Easy to use just set the required time delay Tag and loop video watch in slow motion or pause for a closer look all whilst Timewarp continues to record live Simple to use drawing tools provide an onscreen reference for self assessment Capture and review using voice commands or remote control Save and export clips to
9. n a tripod to reduce vibrations Is the sun or light going to cast shadows on the event being captured Lighting should come from behind the camera and direct light towards the event but not in the eyes of the subject Will the whole event be captured without panning the camera Panning introduces perspective error Is the subject wearing clothing that will obscure their actions or limb end point positions Where possible encourage fitted clothing to be worn 3 Refer to http www siliconcoach com SupportCentres Zsupport centers and choose GETTING GOOD VIDEO from the TimeWarp Support Centre coclinical c education c retail sport O siliconcoach video analysis solutions 4 Using the software NOTE This manual is for TW and TW 4 has a slightly different interface however the same principles apply Adjusting session settings The opening screen of Timewarp allows you to set the recording sessions settings he more free space you have on your hard drive the longer you can record for The recorded movie file stores to temporary memory and is erased when Timewarp is closed Session settings Recording file size Select disk to record to and then set size for your recording file that matches the anticipated length of your recording session Disk Disk allocation in minutes i 62 mins recording file mins recording fil
10. n icon of a runner or a golfer in the case of Sony cameras will appear in the LCD screen when sports mode is ON Refer to http www siliconcoach com SupportCentres support_ centers and choose GETTING GOOD VIDEO from the TimeWarp Support Centre Additional Lighting As the shutter speed increases less light is able to reach the videotape causing the image to become darker or blurred or both Ensure you have good lighting if you intend to video at high shutter speeds If filming indoors with a high speed shutter additional lighting spot lights will generally be required Refer to http www siliconcoach com SupportCentres Zsupport centers and choose GETTING GOOD VIDEO from the TimeWarp Support Centre Focus Controls Most cameras have an auto focus capability In many sporting set ups it is recommended that you use the MANUAL FOCUS mode because it prevents the camera focusing on an unwanted object in the background or foreground as the subject moves As a rule of thumb use the manual focus whenever possible Refer to http www siliconcoach com SupportCentres support centers and choose GETTING GOOD VIDEO from the TimeWarp Support Centre clinical education retail sport 2 siliconcoach video analysis solutions Set up considerations for filming The plane of movement will need to be perpendicular to the camera if you intend to make measurements on Action screen later Is the camera positioned o
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