本示例展示了怎样从一个预处理的卷积神经网络中提取特征，并用这些特征去训练一个图像分类器。
资源文件列表
FeatureExtractionUsingAlexNetExample/FeatureExtractionUsingAlexNetExample.m , 3849
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cap/Hat_0.jpg , 6070
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cap/Hat_123.jpg , 4472
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cap/Hat_148.jpg , 3997
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cap/Hat_173.jpg , 5023
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cap/Hat_198.jpg , 5427
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cap/Hat_222.jpg , 5410
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cap/Hat_247.jpg , 5003
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cap/Hat_272.jpg , 4696
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cap/Hat_297.jpg , 4220
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cap/Hat_321.jpg , 5266
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cap/Hat_346.jpg , 5436
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cap/Hat_371.jpg , 5160
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cap/Hat_49.jpg , 5801
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cap/Hat_74.jpg , 5136
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cap/Hat_99.jpg , 4819
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cube/MathWorks cube_0.jpg , 6609
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cube/MathWorks cube_1099.jpg , 6539
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cube/MathWorks cube_120.jpg , 4746
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cube/MathWorks cube_1300.jpg , 7362
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cube/MathWorks cube_1402.jpg , 5050
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cube/MathWorks cube_1503.jpg , 6531
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cube/MathWorks cube_189.jpg , 5911
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cube/MathWorks cube_29.jpg , 5304
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cube/MathWorks cube_390.jpg , 6614
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cube/MathWorks cube_492.jpg , 7670
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cube/MathWorks cube_593.jpg , 5494
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cube/MathWorks cube_695.jpg , 6688
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cube/MathWorks cube_796.jpg , 6508
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cube/MathWorks cube_898.jpg , 5507
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Cube/MathWorks cube_999.jpg , 6879
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Playing Cards/MOV_1692_117.jpg , 5584
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Playing Cards/MOV_1692_126.jpg , 5445
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Playing Cards/MOV_1692_145.jpg , 4671
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Playing Cards/MOV_1692_164.jpg , 4092
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Playing Cards/MOV_1692_174.jpg , 3723
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Playing Cards/MOV_1692_183.jpg , 3798
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Playing Cards/MOV_1692_193.jpg , 3860
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Playing Cards/MOV_1692_22.jpg , 4437
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Playing Cards/MOV_1692_41.jpg , 4249
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Playing Cards/MOV_1692_51.jpg , 5093
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Playing Cards/MOV_1692_60.jpg , 4437
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Playing Cards/MOV_1692_70.jpg , 3815
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Playing Cards/MOV_1692_8.jpg , 4411
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Playing Cards/MOV_1692_9.jpg , 4442
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Playing Cards/MOV_1692_99.jpg , 5749
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Screwdriver/MOV_1720_0.jpg , 3501
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Screwdriver/MOV_1720_13.jpg , 3814
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Screwdriver/MOV_1720_14.jpg , 3626
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Screwdriver/MOV_1720_150.jpg , 3369
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Screwdriver/MOV_1720_160.jpg , 3539
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Screwdriver/MOV_1720_171.jpg , 3698
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Screwdriver/MOV_1720_181.jpg , 3808
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Screwdriver/MOV_1720_192.jpg , 3630
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Screwdriver/MOV_1720_212.jpg , 3332
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Screwdriver/MOV_1720_25.jpg , 4030
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Screwdriver/MOV_1720_36.jpg , 3750
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Screwdriver/MOV_1720_67.jpg , 4075
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Screwdriver/MOV_1720_78.jpg , 4108
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Screwdriver/MOV_1720_99.jpg , 3323
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Screwdriver/screw_0.jpg , 3871
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Torch/VIDEO0042_0.jpg , 5659
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Torch/VIDEO0042_132.jpg , 4047
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Torch/VIDEO0042_166.jpg , 4275
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Torch/VIDEO0042_20.jpg , 6223
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Torch/VIDEO0042_234.jpg , 5907
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Torch/VIDEO0042_268.jpg , 5841
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Torch/VIDEO0042_301.jpg , 7146
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Torch/VIDEO0042_366.jpg , 5923
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Torch/VIDEO0042_40.jpg , 5755
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Torch/VIDEO0042_434.jpg , 5754
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Torch/VIDEO0042_468.jpg , 4772
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Torch/VIDEO0042_501.jpg , 4781
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Torch/VIDEO0042_536.jpg , 3895
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Torch/VIDEO0042_64.jpg , 5252
FeatureExtractionUsingAlexNetExample/MerchData/MathWorks Torch/VIDEO0042_99.jpg , 4819
FeatureExtractionUsingAlexNetExample/merchData.m , 301