本文整理汇总了Python中utils.image.transform方法的典型用法代码示例。如果您正苦于以下问题：Python image.transform方法的具体用法？Python image.transform怎么用？Python image.transform使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类utils.image的用法示例。
在下文中一共展示了image.transform方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: main
# 需要导入模块: from utils import image [as 别名]
# 或者: from utils.image import transform [as 别名]
def main():
# get symbol
pprint.pprint(config)
sym_instance = eval(config.symbol + '.' + config.symbol)()
sym = sym_instance.get_symbol(config, is_train=False)
# load demo data
image_names = ['000240.jpg', '000437.jpg', '004072.jpg', '007912.jpg']
image_all = []
data = []
for im_name in image_names:
assert os.path.exists(cur_path + '/../demo/deform_conv/' + im_name), \
('%s does not exist'.format('../demo/deform_conv/' + im_name))
im = cv2.imread(cur_path + '/../demo/deform_conv/' + im_name, cv2.IMREAD_COLOR | cv2.IMREAD_IGNORE_ORIENTATION)
image_all.append(im)
target_size = config.SCALES[0][0]
max_size = config.SCALES[0][1]
im, im_scale = resize(im, target_size, max_size, stride=config.network.IMAGE_STRIDE)
im_tensor = transform(im, config.network.PIXEL_MEANS)
im_info = np.array([[im_tensor.shape[2], im_tensor.shape[3], im_scale]], dtype=np.float32)
data.append({'data': im_tensor, 'im_info': im_info})
# get predictor
data_names = ['data', 'im_info']
label_names = []
data = [[mx.nd.array(data[i][name]) for name in data_names] for i in xrange(len(data))]
max_data_shape = [[('data', (1, 3, max([v[0] for v in config.SCALES]), max([v[1] for v in config.SCALES])))]]
provide_data = [[(k, v.shape) for k, v in zip(data_names, data[i])] for i in xrange(len(data))]
provide_label = [None for i in xrange(len(data))]
arg_params, aux_params = load_param(cur_path + '/../model/deform_conv', 0, process=True)
predictor = Predictor(sym, data_names, label_names,
context=[mx.gpu(0)], max_data_shapes=max_data_shape,
provide_data=provide_data, provide_label=provide_label,
arg_params=arg_params, aux_params=aux_params)
# test
for idx, _ in enumerate(image_names):
data_batch = mx.io.DataBatch(data=[data[idx]], label=[], pad=0, index=idx,
provide_data=[[(k, v.shape) for k, v in zip(data_names, data[idx])]],
provide_label=[None])
output = predictor.predict(data_batch)
res5a_offset = output[0]['res5a_branch2b_offset_output'].asnumpy()
res5b_offset = output[0]['res5b_branch2b_offset_output'].asnumpy()
res5c_offset = output[0]['res5c_branch2b_offset_output'].asnumpy()
im = image_all[idx]
im = cv2.cvtColor(im, cv2.COLOR_BGR2RGB)
show_dconv_offset(im, [res5c_offset, res5b_offset, res5a_offset]) 示例2: main
# 需要导入模块: from utils import image [as 别名]
# 或者: from utils.image import transform [as 别名]
def main():
# get symbol
pprint.pprint(config)
sym_instance = eval(config.symbol + '.' + config.symbol)()
sym = sym_instance.get_symbol_rfcn(config, is_train=False)
# load demo data
image_names = ['000057.jpg', '000149.jpg', '000351.jpg', '002535.jpg']
image_all = []
# ground truth boxes
gt_boxes_all = [np.array([[132, 52, 384, 357]]), np.array([[113, 1, 350, 360]]),
np.array([[0, 27, 329, 155]]), np.array([[8, 40, 499, 289]])]
gt_classes_all = [np.array([3]), np.array([16]), np.array([7]), np.array([12])]
data = []
for idx, im_name in enumerate(image_names):
assert os.path.exists(cur_path + '/../demo/deform_psroi/' + im_name), \
('%s does not exist'.format('../demo/deform_psroi/' + im_name))
im = cv2.imread(cur_path + '/../demo/deform_psroi/' + im_name, cv2.IMREAD_COLOR | cv2.IMREAD_IGNORE_ORIENTATION)
image_all.append(im)
target_size = config.SCALES[0][0]
max_size = config.SCALES[0][1]
im, im_scale = resize(im, target_size, max_size, stride=config.network.IMAGE_STRIDE)
im_tensor = transform(im, config.network.PIXEL_MEANS)
gt_boxes = gt_boxes_all[idx]
gt_boxes = np.round(gt_boxes * im_scale)
data.append({'data': im_tensor, 'rois': np.hstack((np.zeros((gt_boxes.shape[0], 1)), gt_boxes))})
# get predictor
data_names = ['data', 'rois']
label_names = []
data = [[mx.nd.array(data[i][name]) for name in data_names] for i in xrange(len(data))]
max_data_shape = [[('data', (1, 3, max([v[0] for v in config.SCALES]), max([v[1] for v in config.SCALES])))]]
provide_data = [[(k, v.shape) for k, v in zip(data_names, data[i])] for i in xrange(len(data))]
provide_label = [None for i in xrange(len(data))]
arg_params, aux_params = load_param(cur_path + '/../model/deform_psroi', 0, process=True)
predictor = Predictor(sym, data_names, label_names,
context=[mx.gpu(0)], max_data_shapes=max_data_shape,
provide_data=provide_data, provide_label=provide_label,
arg_params=arg_params, aux_params=aux_params)
# test
for idx, _ in enumerate(image_names):
data_batch = mx.io.DataBatch(data=[data[idx]], label=[], pad=0, index=idx,
provide_data=[[(k, v.shape) for k, v in zip(data_names, data[idx])]],
provide_label=[None])
output = predictor.predict(data_batch)
cls_offset = output[0]['rfcn_cls_offset_output'].asnumpy()
im = image_all[idx]
im = cv2.cvtColor(im, cv2.COLOR_BGR2RGB)
boxes = gt_boxes_all[idx]
show_dpsroi_offset(im, boxes, cls_offset, gt_classes_all[idx])