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[Apps] Remove mxnet dependency from /apps/android_camera/models #17297

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Merged
tqchen merged 2 commits into from
Sep 6, 2024
Merged

[Apps] Remove mxnet dependency from /apps/android_camera/models #17297

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30e3a81
use torchvision's resnet18 instead of mxnet
mshr-h Sep 5, 2024
bd246e0
cleanup import statements
mshr-h Sep 5, 2024
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31 changes: 16 additions & 15 deletions apps/android_camera/models/prepare_model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,18 +15,16 @@
# specific language governing permissions and limitations
# under the License.

import logging
import pathlib
from pathlib import Path
from typing import Union
import json
import os
from os import environ
import json
from pathlib import Path
from typing import Union

import tvm
import tvm.relay as relay
from tvm.contrib import utils, ndk, graph_executor as runtime
from tvm.contrib.download import download_testdata, download
from tvm.contrib import ndk
from tvm.contrib.download import download, download_testdata

target = "llvm -mtriple=arm64-linux-android"
target_host = None
Expand All @@ -50,15 +48,18 @@ def del_dir(target: Union[Path, str], only_if_empty: bool = False):

def get_model(model_name, batch_size=1):
if model_name == "resnet18_v1":
import mxnet as mx
from mxnet import gluon
from mxnet.gluon.model_zoo import vision
import torch
import torchvision

gluon_model = vision.get_model(model_name, pretrained=True)
img_size = 224
data_shape = (batch_size, 3, img_size, img_size)
net, params = relay.frontend.from_mxnet(gluon_model, {"data": data_shape})
return (net, params)
weights = torchvision.models.ResNet18_Weights.IMAGENET1K_V1
torch_model = torchvision.models.resnet18(weights=weights).eval()
input_shape = [1, 3, 224, 224]
input_data = torch.randn(input_shape)
scripted_model = torch.jit.trace(torch_model, input_data)

input_infos = [("data", input_data.shape)]
mod, params = relay.frontend.from_pytorch(scripted_model, input_infos)
return (mod, params)
elif model_name == "mobilenet_v2":
import keras
from keras.applications.mobilenet_v2 import MobileNetV2
Expand Down
3 changes: 2 additions & 1 deletion apps/android_camera/models/requirements.txt
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@@ -1,4 +1,5 @@
keras==2.9
mxnet
scipy
tensorflow==2.9.3
torch
torchvision