5月班第10课_framework

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1、ىԭ໛ຝCaffe/Torch/TensorFlow/MxNetCaffehttp://caffe.berkeleyvision.org•ԅࠨਞᤰᮎԍᩃҘ•ᩢԧय़ᰁጱᒫӣොପ•ԅԧ᧛؟ࢶጱܔᓌ݊զ؟ࢶݐ॒ቘ᱾ളஉ᯿ጱOpenCVପ•boost๶ਫሿӞԶC++11ጱᇙ஄•HD5/LMDB/LEVELDBአ๶හഝጱIO•ProtoBufferአᵋ॒ݢᥠ•चԭ੶ጱᦡᦇ௏᪠•BlobཛྷࣘғਫሿԧTensorጱۑᚆכਂහഝ޾ༀଶ؀•Layerཛྷࣘғ໑ഝᬌفҁbottom)blogᦇᓒᬌڊ(top)blob෸כਂ๦᯿ༀଶ•Netཛྷࣘғኧग़ӻlayerᕟ౮ਫሿforward/ba

2、ckwardᦇᓒ•Solverཛྷࣘғ๋ս۸ཛྷࣘڥአༀଶ؀ๅෛ๦᯿•ProtocolBufferದ๞•୚فprotocolbufferದ๞፜݄ᖫٟय़ᰁൈᬿ௔ጱC++դᎱྲইᯈᗝ݇හ̵ં௔ݒᰁᒵᒵ•ො׎ଧڜ۸አಁݢզፗളᴅ᧛prototxt෈կ๶ԧᥴᗑᕶᕮ຅•.prototxt.caffemodel෈կ•prototxtൈᬿᗑᕶ᭗ᬦGoogleጱProtobufferᖫᦲ࢏ፗള᧛۸ڜଧݐC++ጱ੒᨝•caffemodel๦᯿෈կ•Caffeጱᦒᕞ•ᵱᥝ൉כ॓ٵഝහڹਂԅLMDB/LevelDBᒵ໒ୗ•ӧአᖫٟC++դᎱፗളᖫٟ.prototxtਧԎnet੒᨝•ፗളᖫٟ.

3、prototxtਧԎsolver੒᨝•᭗ᬦ݇හፗളಗᤈcaffe޸եᬰᤈᦒᕞ•ᒫӞྍғහഝٵ॓•ٵ॓හഝ෈կғ•xx/xx/xx.jpglabel##ྯᤈ᮷ฎᬯ໏ጱ໒ୗ•᭗ᬦtools/create_xxxx޸եኞԾLMDB/LevelDBᒵ໒ୗጱහഝ෈կ•ᒫԫྍғᖫٟᗑᕶ෈կ•ᥢڞᓌܔጱݢզፗളአ෈๜ᖫᬋ࢏ኞ౮•ᗑᕶᕮ຅॔๥ጱڥአPythonᚕ๜ኞ౮•ဳ఺netprototxt෈կൈᬿጱฎํ෫ሾࢶ•॔๥ጱᗑᕶ•ᗑᕶᕮ຅॔๥ғྲইྜ૧ᗑᕶಋٟᶋଉ਻ฃڊᲙ•੶හ᫾ग़ጱಋٟᶋଉප•ᗑᕶᕮ຅෫ဩ॔አprototxtӧٍ॓ݢᖫᑕ௔•᯻አPython๶ᖫٟᗑᕶ෈կڠୌnet੒

4、᨝ᯈᗝnet੒᨝ᬌڊ.prototxt෈կ•ӿ੄ጱC++ਫሿLayer•ᒫӣྍғਧԎsolver෈կ•ᓌܔಋۖᖫٟ•ᦡᗝঅᵱᥝጱ݇හ•ᒫࢥྍғᦒᕞhttps://github.com/BVLC/caffe/wiki/Model-Z•դᎱᴅ᧛•ኞԾሾहጱCaffe•ᩢପ᤮ۄ•௔ᚆս۸ኞԾሾहጱᩢପ୏ݎሾहጱᩢପԆᥝᇙᅩ•C++•ದ๞ᕡᜓقᶎ᯻አC++ਫሿ•ᩢprotobuffer/boost୏ݎପ•GPUے᭛᯻አcuda୏ݎ•OpenCV/LMDBᒵՐՐݝฎᤑشۑᚆଚӧฎ໐ஞཛྷࣘ•Layerbased•᯻አDSLਧԎᗑᕶᕮ຅•layer/blob/net/solver

5、ᒵᕮ຅•սᅩ/ᗌᅩTorchhttp://torch.ch•๋ᅎၚ๋਻ฃ਍ԟጱႮଶ਍ԟ໛ຝ•Lua᧍᥺•ᔄJavascriptጱۖா᧍᥺LuaJit௔ᚆṛԭय़ग़හጱᚕ๜᧍᥺•ᕮC᧍᥺୏ݎᶋଉᓌܔ᭗ᬦLuaFFIፗള᧣አCᖫٟጱཛྷࣘ•ಅᥠܨಅ஑ጱԻ԰ୗሾह•चԭ”nn”᫫կ۱ኞ౮ᐿᗑᕶ•ᦒᕞᬦᑕقᑕݢഴᗑᕶਧԎ๦᯿/ༀଶlossfunctionforwardᦇᓒbackwordᦇᓒ๦᯿ๅෛ•GPU/CPUڔഘ•require(‘cutorch’)•require(‘cunn’)•ڔഘtensorᔄࣳ•ڥአoptimཛྷࣘ۱ތཛྷࣘᬽդڍහsgdᓒဩਫሿཛྷࣘ•୏ݎᛔ૩ਧԎጱ

6、ཛྷࣘԆᥝᇙᅩ•ᅎၚጱ໛ຝ•አLua᧍᥺ԅഴګଫአ੶஁ବጱཛྷࣘ۸ᦡᦇ•݋অጱԻ԰•ள᭛਍ԟႮଶ਍ԟӾӻᕟկጱۑᚆ•قᑕݢഴጱᦒᕞᬦᑕ•ᭇਫḵෛጱᗑᕶᔄࣳਫḵਰአጱग़ኞԾሾहአጱ੝TensorFlowhttps://www.tensorflow.org•GoogleᎸݎ/Ԇവ•चԭcomputationgraphsᦇᓒཛྷࣳ•Python/C++᧍᥺•TensorBoardݢᥤ۸ૡٍ•ग़๢ग़ܜඪ೮•computationgraphsvslayerbase•Ḓض຅᭜অෆӻᦇᓒ᱾᪠•चԭ੶ཛྷࣳ•ݢզ੒᱾᪠ᬰᤈս۸•ྯӻ੶ጱᦇᓒࢴਧਫሿforward/backword•ړ૲ୗ᧣ଶ

7、਻ฃਫሿ•஠ᶳಋۖ೰ਧፓຽGPUܜX()^22*()sqrt()yᬌفᜓᅩ݇හݒᰁᬩᓒᜓᅩս۸ཛྷࣘᦒᕞᬦᑕ•ڥአipythonૡٍᬰᤈԻ԰ୗ᧣ᦶ•սᅩ/ᗌᅩMxNethttps://github.com/dmlc/mxnet•޾TensorFlowᔄࣁඪ೮ࢶᦇᓒጱचᏐӤीےᬦᑕཛྷࣳܨඪ೮ӷᐿᦇᓒཛྷࣳ•ྲTensoFlowๅԅ᫷ᰁ௛ᕮӞӥCaffeTorchTensorFlowMxNetLanguageC++,PythonLuaPythonC++,PythonPretrainedYes++Yes++InceptionMulti-GPU:DataYesYescunn