deep learning - how to prepare gray image data for caffe input -


i have read lots of references prepare image data caffe input have not been able solve problem yet!!

i have put .jpg image files in 2 seperate folders:

folder  train: containing 100,000 image files of size 227*227 folder val: containing 9,000 image files of size 227*227

i put them in folder in /home/user/dl

then made 2 text files listing names of images in train , val folders as:

. . p127.jpg 2 p943.jpg 2 p8765.jpg 1 . .

and put these 2 files in /home/user/caffe-master/data/dl.

i made dl_create.sh located in /home/user/caffe-master/examples/dl bellow:

set -e  example=examples/dl data=data/dl tools=build/tools  train_data_root=/home/user/dl/train/ val_data_root=/home/user/dl/val/   resize=true if $resize;   resize_height=227   resize_width=227 else   resize_height=0   resize_width=0 fi  if [ ! -d "$train_data_root" ];   echo "error: train_data_root not path directory:  $train_data_root"   echo "set train_data_root variable in create_dl.sh  path" \        "where dl training data stored."   exit 1 fi  if [ ! -d "$val_data_root" ];   echo "error: val_data_root not path directory: $val_data_root"   echo "set val_data_root variable in create_dl.sh path" \        "where dl validation data stored."   exit 1 fi  echo "creating train lmdb..."  glog_logtostderr=1 $tools/convert_imageset \     --resize_height=$resize_height \     --resize_width=$resize_width \     --shuffle \     --gray \     $train_data_root \     $data/train.txt \     $example/dl_train_lmdb  echo "creating val lmdb..."  glog_logtostderr=1 $tools/convert_imageset \     --resize_height=$resize_height \     --resize_width=$resize_width \     --shuffle \     --gray \     $val_data_root \     $data/val.txt \     $example/dl_val_lmdb  echo "done."

then when run dl_create.sh script change image data lmdb can not find images , gives messages like:

. . . e0922 14:35:24.152361 31301 io.cpp:80] not open or find file /home/user/caffe-master/data/dl/train/p84167.jpg e0922 14:35:24.160773 31301 io.cpp:80] not open or find file /home/user/caffe-master/data/dl/train/p24118.jpg . . .

could please me know doing mistake??!?!

the problem images had uint16 bitmap!! however, after lots of search found caffe works on uint8 bitmap


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