m1 tt h tt hb 1002 4 140 2 1282 4 kn
ĐỒ ÁN MÔN HỌC THIẾT KẾ NỀN MÓNG CẦU
Ngày tải lên :
24/04/2016, 21:27
... (m) 0 .2 0 .2 CT4-1 CT4 -2 CT4-3 CT4 -4 CT4-5 17.9 CT4-6 10 11 12 CT4-7 13 CT4-8 14 15 16 CT4-9 17 18.1 18 CT4-10 19 20 4. 9 CT4-11 21 CT4- 12 22 23.0 23 24 CT4-13 25 26 7.0 CT4- 14 27 28 CT4-15 29 30.0 ... R2 + R 12 + R 22 + R 32 = 621 .638 + 600 .23 6 + 580.8 32 + 553.568 = 23 56 .2 74 (kN ) R R R R R R R R R R 10 11 12 13 14 15 16 17 18 19 20 23 24 25 26 33 34 35 36 21 31 22 32 M3 27 37 28 29 30 38 39 40 ... 5 627 0 .4 (kN) Tải trọng ngang tính tốn theo phương dọc cầu: H0 (tt) = Htt = 140 (kN) Mơmen tính tốn theo phương dọc cầu: M0 (tt) = Mtt + Htt*LM = 128 2 .4 + 140 *8 = 24 0 2 .4 (kNm) Trong : Ntt ; Htt ; Mtt...
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Bài thu hoach TT HCM qua 4 nam thuc hien cuoc van dong
Ngày tải lên :
26/09/2013, 11:10
... giáo dục - Giữ gìn đoàn kết nội môi trường giáo dục tốt Ý kiến chi bộ, đảng quan đơn vị Btt ngày 25 tháng năm 20 10 Người viết thu hoạch Huỳnh Văn Mến ... tự phê bình phê bình chưa mạnh dạn, nể nên hiệu chưa cao, đóng góp cho đồng nghiệp chua sâu, sát 4. Những để xuất kiến nghị: - Chúng ta cần học tập làm theo gương đạo đức Hồ Chí Minh cách triệt...
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Tài liệu Halsted.Press.H.264.And.MPEG-4.Video.Compression.Video.Coding.For.Next.Generation.Multimedia.eBook-LiB docx
Ngày tải lên :
22/12/2013, 10:16
... 21 1 21 2 21 2 21 6 21 6 22 0 22 0 22 2 22 2 22 5 22 5 22 5 22 6 22 6 2 34 23 8 23 8 23 8 24 1 24 1 24 2 24 3 24 6 24 6 24 7 25 1 CONTENTS 7.5 7.6 7.7 7.8 7 .4. 4 Computational Performance 7 .4. 5 Performance Optimisation ... 27 27 28 30 30 30 32 33 34 37 41 42 44 45 51 56 61 61 62 69 72 82 83 The MPEG -4 and H .2 64 Standards 4. 1 Introduction 4. 2 Developing the Standards 4. 2. 1 ISO MPEG 4. 2. 2 ITU-T VCEG 4. 2. 3 JVT 4. 2 .4 ... 128 × 96 176 × 144 147 456 3 041 28 3 52 × 28 8 7 04 × 576 121 65 12 48 66 048 Top field Bottom field Top field Bottom field Top field Bottom field Figure 2. 12 Allocaton of 4: 2: 0 samples to top and bottom...
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Tài liệu TR N AN H I TU N 4 HÀ N I - 2009 .Chương 2 BI N NG U NHIÊN …………. ti p pdf
Ngày tải lên :
24/12/2013, 03:16
... [21 ⋅0,6] = 12 b) P{X ≤ 10} = 10 i C20 0,6i ⋅ 0 , 42 0 − i = 0, 24 5 (tra b ng) ∑ i =0 P{X > 12} = - P{X≤ 12} = 1- 12 i C20 0,6i ⋅ 0 , 42 0 − i = 1- 0,5 84 = 0 ,41 6 ∑ i =0 11 P{X = 11} = C20 0,611 ⋅ 0 ,49 Mu n ... X∼ N (20 , 0 ,22 ) P{|X – 20 |< 0,3} = P{19,7< X < 20 ,3} 20 ,3 − 20 19,7 − 20 = Φ − Φ = Φ(1,5 ) − Φ (−1,5) 0 ,2 0 ,2 = Φ(1,5 ) − + Φ (1,5) = 2 (1,5) − ≈ ⋅ 0,93 32 − = 0,86 64 (G ... )P(B3 ) = q3 = C3 p0q P{X = 1} = P(B1 B2 B3 ∪B1 B2 B3 ∪B1 B2 B3 ) = 3pq2 = C3 p1q P{X = 2} = P(B1B2 B3 ∪B1B2B3 ∪B1 B2B3 ) 2 = 3p q = C3 p2q1 P{X = 3} = P(B1B2B3 ) = p3 = C3 p q Trư ng h p t ng quát...
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.H.264 and MPEG-4 Video Compression ..H.264 and MPEG-4 Video Compression Video Coding for doc
Ngày tải lên :
27/06/2014, 08:20
... 21 1 21 2 21 2 21 6 21 6 22 0 22 0 22 2 22 2 22 5 22 5 22 5 22 6 22 6 2 34 23 8 23 8 23 8 24 1 24 1 24 2 24 3 24 6 24 6 24 7 25 1 CONTENTS 7.5 7.6 7.7 7.8 7 .4. 4 Computational Performance 7 .4. 5 Performance Optimisation ... 27 27 28 30 30 30 32 33 34 37 41 42 44 45 51 56 61 61 62 69 72 82 83 The MPEG -4 and H .2 64 Standards 4. 1 Introduction 4. 2 Developing the Standards 4. 2. 1 ISO MPEG 4. 2. 2 ITU-T VCEG 4. 2. 3 JVT 4. 2 .4 ... 128 × 96 176 × 144 147 456 3 041 28 3 52 × 28 8 7 04 × 576 121 65 12 48 66 048 Top field Bottom field Top field Bottom field Top field Bottom field Figure 2. 12 Allocaton of 4: 2: 0 samples to top and bottom...
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.H.264 and MPEG-4 Video Compression..H.264 and MPEG-4 VideoCompressionVideo Coding for pot
Ngày tải lên :
27/06/2014, 08:20
... 21 1 21 2 21 2 21 6 21 6 22 0 22 0 22 2 22 2 22 5 22 5 22 5 22 6 22 6 2 34 23 8 23 8 23 8 24 1 24 1 24 2 24 3 24 6 24 6 24 7 25 1 CONTENTS 7.5 7.6 7.7 7.8 7 .4. 4 Computational Performance 7 .4. 5 Performance Optimisation ... 27 27 28 30 30 30 32 33 34 37 41 42 44 45 51 56 61 61 62 69 72 82 83 The MPEG -4 and H .2 64 Standards 4. 1 Introduction 4. 2 Developing the Standards 4. 2. 1 ISO MPEG 4. 2. 2 ITU-T VCEG 4. 2. 3 JVT 4. 2 .4 ... 128 × 96 176 × 144 147 456 3 041 28 3 52 × 28 8 7 04 × 576 121 65 12 48 66 048 Top field Bottom field Top field Bottom field Top field Bottom field Figure 2. 12 Allocaton of 4: 2: 0 samples to top and bottom...
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Đề + Đáp án HSG Hóa 9 TT- Huế 04-05 ( đủ 2 vòng)
Ngày tải lên :
14/07/2014, 00:01
... dư Cudư + 2H2SO4 đđ → CuSO4 + SO2 + 2H2O (2) (0 ,25 điểm) CuO + H2SO4 đđ → CuSO4 + H2O (3) (0 ,25 điểm) 2Na + 2H2O → 2NaOH + H2 (4) (0 ,25 điểm) CuSO4 + 2NaOH → Cu(OH )2 + Na2SO4 (5) (0 ,25 điểm) Do ... ; C2H4 dư :(a – b) mol C2H6 : b mol; H2 dư: 0 ,2 – (a+b) mol C2H4 dư + Br2 C2H4Br2 C2H2 dư + 2Br2 C2H2Br4 Theo giả thiết: m C2H4 dư + m C2H2 dư = 0, 82 gam 28 (a – b) +26 (0,09- a) = 0, 82 (0 ,25 ... + 2H2O (8) (0 ,25 điểm) K2SO3 + BaCl2 → BaSO3 + 2KCl (9) (0 ,25 điểm) ( 2, 75 điểm ) đpdd 2NaCl + 2H2O có màng H2 + 2NaOH + Cl2 (1) (0,5 điểm) đp 2H2O H2 + O2 (2) (0 ,25 điểm) 4FeS2 + 11O2 → 2Fe2O3...
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H.264 and MPEG-4 Video Compression phần 1 potx
Ngày tải lên :
14/08/2014, 12:20
... 21 1 21 2 21 2 21 6 21 6 22 0 22 0 22 2 22 2 22 5 22 5 22 5 22 6 22 6 2 34 23 8 23 8 23 8 24 1 24 1 24 2 24 3 24 6 24 6 24 7 25 1 CONTENTS 7.5 7.6 7.7 7.8 7 .4. 4 Computational Performance 7 .4. 5 Performance Optimisation ... 27 27 28 30 30 30 32 33 34 37 41 42 44 45 51 56 61 61 62 69 72 82 83 The MPEG -4 and H .2 64 Standards 4. 1 Introduction 4. 2 Developing the Standards 4. 2. 1 ISO MPEG 4. 2. 2 ITU-T VCEG 4. 2. 3 JVT 4. 2 .4 ... Coded Data Format 6.3 .4 Reference Pictures 6.3.5 Slices 6.3.6 Macroblocks • ix 99 99 100 100 100 103 1 04 106 106 115 121 122 1 24 133 138 141 1 42 1 42 144 145 148 148 149 149 1 52 1 52 153 153 155 155...
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H.264 and MPEG-4 Video Compression phần 2 potx
Ngày tải lên :
14/08/2014, 12:20
... 128 × 96 176 × 144 147 456 3 041 28 3 52 × 28 8 7 04 × 576 121 65 12 48 66 048 Top field Bottom field Top field Bottom field Top field Bottom field Figure 2. 12 Allocaton of 4: 2: 0 samples to top and bottom ... Cb sample 4: 2: 0 sampling 4: 2: 2 sampling 4: 4 :4 sampling Figure 2. 11 4: 2: 0, 4: 2: 2 and 4: 4 :4 sampling patterns (progressive) 4: 2: 0 sampling is sometimes described as ‘ 12 bits per pixel’ The reason ... 1 .40 2Cr G = Y − 0. 344 Cb − 0.714Cr B = Y + 1.772Cb (2. 6) 2 .4. 3 YCbCr Sampling Formats Figure 2. 11 shows three sampling patterns for Y, Cb and Cr that are supported by MPEG -4 Visual and H .2 64 4 :4: 4...
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H.264 and MPEG-4 Video Compression phần 3 pps
Ngày tải lên :
14/08/2014, 12:20
... (a) (b) 1 34 1 34 1 34 1 34 169 169 169 169 1 34 1 34 1 34 1 34 149 149 149 149 1 34 1 34 1 34 1 34 120 120 120 120 1 34 1 34 1 34 1 34 100 100 100 100 coefficients coefficient (c) (d) 144 159 179 1 94 146 179 187 ... ‘Carphone’, QCIF Integer-pel Half-pel Quarter-pel 171 945 24 8 316 10 24 1 8 15 347 5 24 5 7 84 739 52 128 320 22 89 52 5 649 2 113 744 21 5585 47 780 Figure 3 .21 Motion vector map (16 × 16 blocks, integer vectors) ... Probability p log2(1/ p) 2 −1 0.1 0 .2 0 .4 0 .2 0.1 3. 32 2. 32 1. 32 2. 32 3. 32 • 63 ENTROPY CODER -2 p = 0.1 p = 0.1 -1 p = 0 .2 p = 0 .2 A p = 0 .2 1 C D p =1.0 B p = 0 .4 p = 0 .4 Figure 3 .45 Generating...
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H.264 and MPEG-4 Video Compression phần 4 potx
Ngày tải lên :
14/08/2014, 12:20
... 0. 34 → 0 . 42 (−1) 0. 34 → 0 . 42 0.3 64 → 0.396 (0) 0.3 64 → 0.396 0.3 928 → 0.396 0.3 0.7 0.9 0.58 0.66 0.7 (0) 0.3 0. 34 0 . 42 (-1) 0. 34 0. 348 0.3 64 0.396 0 .41 2 0 . 42 (0) 0.3 64 0.36 72 0.3736 0.38 64 0.3 928 ... Rescaled coefficients − 12 12 − 12 − 12 24 − 12 0 24 − 12 12 − 12 − 12 0 24 − 12 − 12 0 0 0 0 0 0 0 0 0 0 − 12 12 0 0 0 0 0 0 0 0 0 0 0 Table 3. 14 Decoded residual luminance samples −3 9 2 12 −3 8 16 −1 1 −1 ... −0.50 −10 .48 −3.50 −0. 62 10.93 −8.75 −7.10 19.00 −13.06 1.73 −1.99 −11.58 9 .22 −17. 54 −7 .20 3. 12 −0.69 −0.05 −10 .29 −17.19 1. 24 4.08 2. 04 1.77 1. 24 −5.17 2. 26 −0.91 5.31 −0.17 0.78 −0 .48 2. 96 3.83...
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H.264 and MPEG-4 Video Compression phần 5 pps
Ngày tải lên :
14/08/2014, 12:20
... MPEG -4 VISUAL Table 5.5 Weighting matrix Ww 10 20 20 30 30 30 40 40 20 20 30 30 30 40 40 40 20 30 30 30 30 40 40 40 30 30 30 30 40 40 40 50 30 30 40 40 40 40 50 50 30 40 40 40 40 40 50 50 40 40 40 ... 176 × 144 3 52 × 28 8 3 52 × 28 8 176 × 144 176 × 144 3 52 × 28 8 3 52 × 28 8 3 52 × 576 720 × 576 176 × 144 64 kbps 64 kbps 128 kbps 3 84 kbps 128 kbps 128 kbps 3 84 kbps 768 kbps Mbps Mbps 64 kbps simple ... format The input to an MPEG -4 Visual encoder and the output of a decoder is a video sequence in 4: 2: 0, 4: 2: 2 or 4: 4 :4 progressive or interlaced format (see Chapter 2) MPEG -4 Visual uses the sampling...
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H.264 and MPEG-4 Video Compression phần 6 doc
Ngày tải lên :
14/08/2014, 12:20
... sampled in 4: 2: 0, 4: 2: 2 and 4: 4 :4 YCbCr formats (see Chapter for details of these sampling modes) with progressive • 1 54 MPEG -4 VISUAL Cb Cr Y 10 11 Y Cb Cr 4: 4 :4 macroblock structure ( 12 blocks) ... Figure 5. 72 Modified macroblock structures (4: 2: 2 and 4: 4 :4 video) etc Figure 5.73 Example slice structure or interlaced scanning The modified macroblock structures for 4: 2: 2 and 4: 4 :4 video are ... each × block H .2 64 and MPEG -4 Video Compression: Video Coding for Next-generation Multimedia C 20 03 John Wiley & Sons, Ltd ISBN: 0 -47 0- 848 37-5 Iain E G Richardson • 160 H .2 64/ MPEG4 PART 10 + Fn...
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H.264 and MPEG-4 Video Compression phần 7 pps
Ngày tải lên :
14/08/2014, 12:20
... Encode 2 54 Assign 25 3 to LongTermPicNum Encode 25 5 Assign 25 5 to LongTermPicNum Encode 25 6 – 25 0 25 1 25 2 25 3 25 3 2 54 2 54 25 5 2 54 25 6 – – 25 0 25 1 25 2 25 2 25 3 25 2 2 54 25 2 2 54 – – – 25 0 25 1 25 0 25 2 25 0 ... 1 92 H .2 64/ MPEG4 PART 10 Table 6.5 Quantisation step sizes in H .2 64 CODEC QP QStep QP QStep 10 11 12 0. 625 0.6875 18 0.8 125 0.875 24 10 1. 125 30 20 1 .25 1.375 36 40 1. 625 1.75 42 80 2. 25 ... block X: X: j=0 i=0 11 10 12 10 11 19 15 DCT output: 35.0 −0.079 −1.5 1.115 −3 .29 9 4. 768 0 .44 3 −9.010 Y = AXAT = 5.5 3. 029 2. 0 4. 699 4. 045 −3.010 −9.3 84 −1 .23 2 Approximate transform...
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H.264 and MPEG-4 Video Compression phần 8 docx
Ngày tải lên :
14/08/2014, 12:20
... −1 −1 2 −5 1 2 −1 −5 −1 V = 16, 25 or 20 (depending on position) and 2 oor (QP/6) = 21 = Output of rescale W : j=0 i=0 544 − 32 40 −100 25 0 96 40 32 80 −80 −50 20 0 −50 • 198 H .2 64/ MPEG4 PART ... follows (Table 6. 14) Table 6. 14 Short term buffer indices (B slice prediction) (current picture order count is 127 Index List List 1 126 125 123 128 129 130 128 129 130 126 125 123 • 20 9 THE MAIN ... (0,0), (2, 0), (2, 2),(0 ,2) Positions (1,1),(1,3),(3,1),(3,3) Other positions 10 11 13 14 16 18 16 18 20 23 25 29 13 14 16 18 20 23 Decoder scaling is performed by: W D(i, j) = W Q D(i, j) V(0,0) 2 oor...
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H.264 and MPEG-4 Video Compression phần 9 docx
Ngày tải lên :
14/08/2014, 12:20
... algorithm due to • 23 6 DESIGN AND PERFORMANCE f0 2F0 c4 c4 c4 f1 2F4 -c4 f2 -1 2F2 c6 c2 -c2 f3 f4 -1 2F6 c6 -1 2F1 c7 c1 f5 -1 -1 -c4 c5 c4 f6 -1 c4 2F5 c3 c4 -c5 -1 c3 2F3 -c1 f7 -1 c7 2F7 Figure 7.11 ... coding) • 25 2 DESIGN AND PERFORMANCE Grasses (CIF, 50 frames) 40 38 Grasses, MP4 SP 36 Grasses, H .2 64 Baseline 34 Y PSNR (dB) 32 30 28 26 24 22 20 500000 1000000 1500000 20 00000 25 00000 3000000 ... Baseline Profile (close-up) • 25 1 PERFORMANCE Office (CIF, 50 frames) 44 42 Y PSNR (dB) 40 38 Office, MP4 SP Office, H .2 64 Baseline 36 34 32 30 100000 20 0000 300000 40 0000 500000 600000 700000...
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H.264 and MPEG-4 Video Compression phần 10 pps
Ngày tải lên :
14/08/2014, 12:20
... 32, 33, 22 6 Fast Search 23 1 Full Search 23 0 MAE 22 8 MSE 22 8 region based 2 34 SA(T)D 22 8 SAE 40 , 22 8 sub-pixel 23 3 motion vector prediction 175 MPEG 2, 6, 85, 86 MPEG-1 95 MPEG -2 2, 96 MPEG -4 ... Transform 138 sampling 4- 2- 0, 17 4- 2- 2, 17, 1 54 4 -4- 4, 17, 1 54 spatial 11 temporal 11 scalable coding See coding: scalable 1 42 segmentation 22 6 short header 109 slice 1 14, 1 64 B-slice 20 7 groups 167 ... 92 Network Abstraction Layer 161, 22 0 optical flow 30 patents 2 74 performance 24 6 computational 2 54 optimisation 25 5 rate-distortion 24 6 , 25 1 platforms 27 0 prediction bidirectional 20 9 direct 21 0...
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