mediapipe/mediapipe/calculators/image/warp_affine_calculator.proto
Chris McClanahan 1b4a835be0 Internal change
PiperOrigin-RevId: 516349788
2023-03-13 16:09:56 -07:00

60 lines
2.0 KiB
Protocol Buffer

// Copyright 2021 The MediaPipe Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
syntax = "proto2";
package mediapipe;
import "mediapipe/framework/calculator.proto";
import "mediapipe/gpu/gpu_origin.proto";
message WarpAffineCalculatorOptions {
extend CalculatorOptions {
optional WarpAffineCalculatorOptions ext = 373693895;
}
// Pixel extrapolation methods. See @border_mode.
enum BorderMode {
BORDER_UNSPECIFIED = 0;
BORDER_ZERO = 1;
BORDER_REPLICATE = 2;
}
// Pixel sampling interpolation methods. See @interpolation.
enum Interpolation {
INTER_UNSPECIFIED = 0;
INTER_LINEAR = 1;
INTER_CUBIC = 2;
}
// Pixel extrapolation method.
// When converting image to tensor it may happen that tensor needs to read
// pixels outside image boundaries. Border mode helps to specify how such
// pixels will be calculated.
//
// BORDER_REPLICATE is used by default.
optional BorderMode border_mode = 1;
// For CONVENTIONAL mode for OpenGL, input image starts at bottom and needs
// to be flipped vertically as tensors are expected to start at top.
// (DEFAULT or unset interpreted as CONVENTIONAL.)
optional GpuOrigin.Mode gpu_origin = 2;
// Sampling method for neighboring pixels.
// INTER_LINEAR (bilinear) linearly interpolates from the nearest 4 neighbors.
// INTER_CUBIC (bicubic) interpolates a small neighborhood with cubic weights.
// INTER_UNSPECIFIED or unset interpreted as INTER_LINEAR.
optional Interpolation interpolation = 3;
}