Web of Technologies
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The document discusses various technological advancements, particularly in web and mobile applications, including the use of SIMDs for enhanced performance. It highlights the implementation of text recognition through video processing, applications in augmented reality, and different use cases involving Yahoo services. Additionally, it presents performance benchmarks comparing traditional JavaScript with SIMD.js for computational tasks.
![navigator.getUserMedia(
{video:true, audio:false},
function(localMediaStream) {
var videoTracks =
localMediaStream.getVideoTracks();
var track = videoTracks[0];
var myWorker = new Worker("textRec.js");
track.addWorkerMonitor(myWorker));
myWorker.onmessage = function (oEvent) {
console.log("Worker recognized: " +
oEvent.data);
};
var
elem=document.getElementById('VIDEO');
elem.mozSrcObject = dest.stream;
elem.play();
}, null);](https://image.slidesharecdn.com/weboftechnologies-150125013601-conversion-gate02/85/Web-of-Technologies-59-320.jpg)
![var textDetector =
WebImage.createTextDetector(img.width,
img.height)
onvideoprocess = function (event) {
var img = event.inputFrame;
// テキスト認識処理を実行
var words= textDetector.findText(img);
var recognizedText;
for (var ix=0; ix<words.length; ix++) {
recognizedText
= recognizedText + words[ix] + " ";
}
postMessage(recognizedText);
};](https://image.slidesharecdn.com/weboftechnologies-150125013601-conversion-gate02/85/Web-of-Technologies-60-320.jpg)
Web of Technologies
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- 15. 29 ヶ国 15 キャリア
- 19. WEB OF THINGS
- 33. O S W F I L E B T light2light1IrDA motion sensor Switch
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- 44. Serial UDB Diagram Socket Print USB WebCL WebGL2
- 45. DeviceIndexedDB USB File Reading WebSocket Over Apps
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- 53. wonderstruck
- 56. FoxEye came to the world.
- 59. navigator.getUserMedia( {video:true, audio:false}, function(localMediaStream) { var videoTracks = localMediaStream.getVideoTracks(); var track = videoTracks[0]; var myWorker = new Worker("textRec.js"); track.addWorkerMonitor(myWorker)); myWorker.onmessage = function (oEvent) { console.log("Worker recognized: " + oEvent.data); }; var elem=document.getElementById('VIDEO'); elem.mozSrcObject = dest.stream; elem.play(); }, null);
- 60. var textDetector = WebImage.createTextDetector(img.width, img.height) onvideoprocess = function (event) { var img = event.inputFrame; // テキスト認識処理を実行 var words= textDetector.findText(img); var recognizedText; for (var ix=0; ix<words.length; ix++) { recognizedText = recognizedText + words[ix] + " "; } postMessage(recognizedText); };
- 61. Use cases(Amazon FireFly) In our case, we can use Yahoo Service, like Yahoo Movie, Yahoo Shopping, Yahoo Search...
- 62. Use cases(Text selection in Image, browser) http://projectnaptha.com/
- 65. Use cases(Camera Panorama, HDR)
- 66. WWii SShhii
- 83. en now targets SIMD.JS nerates SIMD.JS from C++ SIMD intrinsics & auto-vectorized code Near-native SIMD.JS speedup C++ JavaScript 1.00 2.03 7.18 8.13 0 2 4 6 8 10 Speedup over Scalar JS Scalar JS Scalar C++ SIMD JS SIMD C++ on, Multiple Data t performance & power efficiency Cx Cy Cz Cw Ax Ay Az Aw Bx By Bz Bw + = SIMD Operation of Vector Length 4 Intel® Architecture currently has SIMD operations of vector length 4, 8, 16
- 85. 11 SIMD – Single Instruction, Multiple Data SIMD operations deliver great performance & power efficiency Scalar Operation Cx Cy Cz Cw = = = = Ax Ay Az Aw Bx By Bz Bw + + + + Cx Cy Cz Cw Ax Ay Az Aw Bx By Bz Bw + = SIMD Operation of Vector Length 4 Intel® Architecture currently has SIMD operations of vector length 4, 8, 16
- 86. 13 SIMD.JS – The API † Initial support for float32x4 and int32x4 Our SIMD prototype delivers 3x~4x Mandelbrot speedup† Our Firefox* Prototype
- 87. 15 SIMD Speedups on our Chromium* Prototype 3.2 3.6 3.8 3.9 4.6 5.0 6.0 9.5 3.2 3.8 3.4 6.1 6.5 5.0 5.6 11.8 6.8 3.1 2.7 4.5 4.2 3.8 5.4 9.3 0 2 4 6 8 10 12 14 Transpose4x4 AOBench Mandelbrot MatrixMultiplication VertexTransform Average ShiftRows Matrix4x4Inverse SIMD x-times faster than non-SIMD 3rd Generation Intel® Core™ i7 processor (3667U)@ 2.00 GHz, 32-bit, Ubuntu* 13 3rd Generation Intel® Core™ i7 processor (3667U)@ 2.00 GHz, 64-bit, Ubuntu* 13 Intel® Atom™ processor Z3770 @ 1.46GHz, Android* 4.4 Excellent early results while still focused on functionality Theoretical speedup limit is 4 SIMD.JS benchmarks: https://github.com/johnmccutchan/ecmascript_simd/tree/master/src/benchmarks
- 88. 17 Emscripten now targets SIMD.JS Emscripten generates SIMD.JS from C++ SIMD intrinsics & auto-vectorized code Near-native SIMD.JS speedup C/C++ JavaScript 1.00 2.03 7.18 8.13 0 2 4 6 8 10 Speedup over Scalar JS Scalar JS Scalar C++ SIMD JS SIMD C++
- 90. PP ee mm RRHHssjj HH ccHH
- 92. WEB OF THINGS
- 93. !!