camera calibration and 3d reconstruction
NGHIÊN CỨU CÁC KỸ THUẬT CAMERA CALIBRATION VÀ ỨNG DỤNG XÁC ĐỊNH KHOẢNG CÁCH GIỮA CÁC ĐỐI TƯỢNG TRONG KHÔNG GIAN 3D
... HI U CH NH CAMERA TRONG TH GIÁC MÁY TÍNH 2.1 GI I THI U K THU T CAMERA CALIBRATION Camera calibration phương pháp tính toán th c nghi m nh m tìm tham s c a camera ñ tái t o không gian 3D c a m ... sâu) so v i camera 2.4.2 Kho ng cách tr c Y 2.5 PHƯƠNG PHÁP CALIBRATION CHU N Camera calibration (hi u ch nh camera) trình tìm ki m tham s bên tham s bên c a camera Các phương pháp calibration ... QUAN V CAMERA S 1.1.1 Khái ni m v camera s Camera m t thi t b ghi hình có th ghi l i nh ng hình nh m t kho ng th i gian ñó lưu tr d li u hình nh 7 1.1.2 Phân lo i camera Có cách phân lo i camera: ...
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Báo cáo hóa học: " Advanced 3D indoor propagation model: calibration and implementation" ppt
... Subrt and Pechac: Advanced 3D indoor propagation model: calibration and implementation EURASIP Journal on Wireless Communications and Networking 2011 2011:180 Submit your manuscript to a journal and ... tool Sections and deal with model implementation and calibration, respectively The fifth section, featuring a brief description of test scenarios, a measurement campaign and model calibration, ... predictions and optimisations has been developed and presented The utilised semi-deterministic measurement-based model provides immediate, detailed predictions of both narrowband and wideband channels...
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Camera self calibration and analysis of singular cases
... projective reconstruction and metric reconstruction 32 iv Chapter Camera self -calibration 34 4.1 Kruppa's equations based camera self -calibration 34 4.1.1 Absolute conic and image ... Euclidean reconstruction In this case, the object is fully recovered 3.5.4 Camera self -calibration, the bond between projective reconstruction and metric reconstruction Camera self -calibration ... Chapter Camera self -calibration Camera self -calibration means camera' s parameters can be calibrated without any 3D information In other words, a camera is calibrated from images alone Traditional calibration...
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Model based cardiac CT segmentation and 3d heart reconstruction
... blood vessel and propagates to fit the boundary of the arteries Level set method can also be extended from 2D to 3D [41, 19, 26, 12] For example, Magee [19] uses triangular-mesh model and 3D level ... vein, right hepatic vein and middle hepatic vein • The algorithm can produce a 3D volumetric model of the hepatic vein The relative location, orientation, thickness and connecting information ... be wrongly segmented by other algorithms such as level-set and region growing 1.3 Thesis Organization To understand the difficulties and detailed requirements of hepatic vein segmentation problem,...
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Confirmations, surprises and theoretical reconstructions
... surprises force Con®rmations, surprises, reconstructions 253 the reconstruction of theory, and it is through such reconstruction that social theory moves forward ''Reconstructions'' of theory in the ... also the way these experiences and interests are transformed into identities and beliefs 12.5 Class and other forms of oppression: class and gender Traditional understanding While there has always ... categories of skill and expertise than across levels of managerial hierarchies Sweden and the United States conform to this expectation; Japan does not Reconstructions: direct and mediated class...
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Tài liệu 2D Artwork and 3D Modeling for Game Artists- P1 pptx
... became the focus of both 2D and 3D programming, with nearly all 3D games utilizing this SDK Artists could create outstanding textures and models, develop levels, and hand it all to the programmers ... floors, and other 3D objects that give them the illusion of realism and a graphics tablet makes hand-painting them much easier, since it’s much more like working with pen and paper Also, a digital camera ... Map to Deep Paint 3D and Photoshop Step 2:Texturing the Head Step 3:Texturing the Arms, Legs, and Body Step 4:Texturing the Feet and Hands ...
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Tài liệu 2D Artwork and 3D Modeling for Game Artists- P2 docx
... Photoshop and Deep Paint 3D. ” You can now position the entire barrel unit behind the muzzle and Object Union the whole thing together Step 4: Build the Grip Because the slogre’s hand is huge, and features ... process: Plan the model’s dimensions and poly count, and build reference plane Build the muzzle Build the barrel Build the grip Build the hoops and hose Optimize and triangulate Export the model ... actual, physical model based on your 3D mesh The STL format is raw and straightforward, presenting just the mesh object and the faces it contains As an added bonus, 3D Studio Max has a nice STL import...
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Tài liệu 2D Artwork and 3D Modeling for Game Artists- P3 doc
... of the cuff and sweep it several times, adjusting the width to conform to a hand shape as I have done in Figure 4.35 Select a pad of faces on the inside of the hand and move, rotate, and/ or scale ... Because DeepUV only opens 3D Studio Max (.3ds), Lightwave (.lwo), and Wavefront (.obj) file formats, I saved it as widget.3ds in the Chapter Data section on the CD-ROM Go ahead and open it (click File, ... model in 3D space and select coordinates for unwrapping Notice that the Mapping tab under the Command Panel has expanded to offer you a suite of options for unwrapping your object Click and drag...
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Tài liệu 2D Artwork and 3D Modeling for Game Artists- P4 doc
... Faces option, and create another rectangular selection around the hand Do this in the 3D view, and not in the Material view That way, you’ll get all the points on the back of the hand and not on ... Slogre with DeepUV Figure 6.26 Select and cut away one of the hands in the Front view Figure 6.27 Apply Planar mapping to the hand The top and bottom of the hand itself are what you’re interested ... kept Max and the slogre model open during this entire procedure) 15 When the update is complete, switch to 3D Studio Max and expand the Editable Mesh item in the Modifier stack Select Edge and, in...
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Tài liệu 2D Artwork and 3D Modeling for Game Artists- P5 pdf
... life as your reference! Break out your camera and go to town Literally Group and work with textures in sets Don’t work randomly Don’t make any texture stand out unless it needs to Blend it nicely ... Photoshop TE 10 AM FL Y Skinning the RF-9 Plasma Gun with Deep Paint 3D and Photoshop Skinning the Slogre with Deep Paint 3D and Photoshop ® Team-Fly Please purchase PDF Split-Merge on www.verypdf.com ... steps and the other tusk, stack them, and set them aside (see Figure 6.36) The remaining cluster of points at the top-left of the Material map represents the entire head and body Select that, and...
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Tài liệu 2D Artwork and 3D Modeling for Game Artists- P6 docx
... texture (and the original image) is very hazy and bright, and should be adjusted before you continue Press Ctrl+L to open the Levels dialog box, and slide the Midtones slider to the right a bit, and ... Click Edit, Preferences, Units and Rulers, and change both Rulers and Type to Pixels Then, under Edit, Preferences, Guides and Grid, change Gridlines to every 21 pixels, and Subdivisions to I had ... Click Image, Adjust, Levels (Ctrl+L), and slide the Midtones and Highlights markers over to the left a little This will enhance and sharpen the white areas and subsequently will make the resulting...
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Tài liệu 2D Artwork and 3D Modeling for Game Artists- P7 ppt
... textures can be hand-made, taken from photograph, and more often than not, a composite of both What I find most striking about texturing metal is how sharp and effective beveling styles and displacement ... 8.189 Fun with adding wires Rivets and Screws Rivets and screws are just about the same thing, and are fairly simple to create If I were you, I’d set up a handful of actions to automatically ... concept art for the characters, box cover, posters, and what have you, the artwork will need to be at least the detail and resolution we start with, and averaging 3000×3000 pixels at 300 pixels/per...
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Tài liệu 2D Artwork and 3D Modeling for Game Artists- P8 doc
... when finished (see Figure 8.200) Figure 8.200 Rotate and align the boards with a slight gap Let’s tear up and then apply a 3D effect to the left and right edges of the boards to give it some depth ... dodge and burn the inside and outside to give it a curved feel Style: Blend Mode: Opacity: Angle: Distance: Spread: Size: Drop Shadow Multiply 75 90 And there you have it! You can merge the hole and ... 512 Activate Photoshop’s Grid and Snap features by choosing View, Show, Grid (Ctrl+Alt+’) and choosing View, Snap (Ctrl+;) Choose Edit, Preferences, Guides and Grid and configure the grid in increments...
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Tài liệu 2D Artwork and 3D Modeling for Game Artists- P9 doc
... Advanced Texturing Examples 52 Link and merge the handle’s layer and the metal binding’s layer You should now have only two layers: the bindings and drop handle on one layer, with the wooden ... textures for the final output: one with all glows turned down or off and the red handle moved down, and one with the handle up and everything lit Please purchase PDF Split-Merge on www.verypdf.com ... vertical lines, and apply an inner bevel to both These serve as the rails for the on/off switch 45 Make a handle using the pipe technique described earlier Round the ends of the handle and paste it...
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Tài liệu 2D Artwork and 3D Modeling for Game Artists- P10 doc
... techniques you’ll be employing Link 3D Studio Max, DeepUV, Deep Paint 3D, and Photoshop to create a fluent texturing operation Use Deep Paint 3D to assist your 3D texturing in conjunction with Photoshop ... someone else’s shoulder and get other ideas! Step 1: Linking the U-V Map to Deep Paint 3D and Photoshop The U-V and texturing portions of this project are closely related and, in this case, rely ... with all these programs open, and bounce back and forth between them as you model, U-V, and texture Figure 11.4 The dynamic link and work structure between the U-V and texturing programs you’ll...
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Tài liệu 2D Artwork and 3D Modeling for Game Artists- P11 ppt
... upward and give it a nice rough feel Some areas around the tail, gut, and middle are folded with a fat/muscle composition; careful dodging and burning should the trick Arms and legs The arms and ... shows the RF-9 in full textured 3D, click and drag to create a box The first pass of clicking and dragging creates the base of the box, and when you release the mouse and drag again, it will create ... previous chapter Step 1: Linking the U-V Map to Deep Paint 3D and Photoshop The U-V map and texturing portions of this project are closely related and, in your case, rely on four separate programs all...
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Tài liệu 2D Artwork and 3D Modeling for Game Artists- P12 pdf
... TorqueDemo.exe -show command Just pick up the shape by clicking the Load Shape button and selecting the model from the list, as in Figure 13.16 Use the W and S keys to zoom in and out, and A and D to rotate ... button and, in the User perspective view, which shows the slogre in full textured 3D, click and drag to create a box The first pass of clicking and dragging creates the base of the box, and when ... Slogre2 and detail2 objects Do so by opening the Schematic View, which you saw earlier, and expanding the Start01 and Base01 dummy objects Using the Unlink Selection tool, click on the Slogre2 and...
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Tài liệu 2D Artwork and 3D Modeling for Game Artists- P13 docx
... new to 3D modeling, then this is the appendix for you It covers the basic terminology and components of 3D modeling, including ■ ■ ■ ■ ■ ■ The principles of 3D objects in a 3D world Object and world ... right-click and drag The forward, backward, and strafe keys allow you to move around as well (W, S, A, and D, by default, respectively) Texturing Buildings By default, buildings and other static 3D shapes ... control bones and skin weighting, including a handful of interesting and common actions—not just running For instance, demonstrating a character running, then squatting, jumping, and landing, would...
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Tài liệu 2D Artwork and 3D Modeling for Game Artists- P14 pptx
... watermark Index Numerics 3D Cafe Web site, 658 3D Fuel Web site, 659 3D games, revolution and progress of, 6–9 3D Links Web site, 659 3D Map Realm Web site, 661 3D modelers, 597 3D Studio Max file ... Models, Textures, and Tutorials 659 3D Fuel http://www.3dfuel.com 3D Fuel is a good site for shaders, objects, tutorials, and scripting for trueSpace 3D Links http://www.3dlinks.com Looking ... SoftImage You’ll also find tutorials for MAX and links to various other 3D graphics sites 3D Cafe http://www.3dcafe.com 3D Cafe is the hangout for 3D artists and animators This site has more collections...
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