72 lines
2.8 KiB
Protocol Buffer
72 lines
2.8 KiB
Protocol Buffer
// Copyright 2019 The MediaPipe Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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syntax = "proto2";
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package mediapipe;
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// Next tag: 17
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message MotionSaliencyOptions {
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// Standard normalized bounds and weights used to initialize salient points.
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// See region_flow.proto for details.
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optional float bound_left = 1 [default = 0.3];
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optional float bound_bottom = 2 [default = 0.3];
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optional float bound_right = 15 [default = 0.3];
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optional float bound_top = 16 [default = 0.3];
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optional float saliency_weight = 3 [default = 20];
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// If set, scales saliency_weight by flow magnitude.
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optional bool scale_weight_by_flow_magnitude = 8 [default = false];
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// Minimum number of features within a region to be considered salient.
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// Only applicable for functions accepting RegionFlowFrames.
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optional int32 min_features = 4 [default = 5];
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// If set, only considers regions flagged as forground.
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optional bool use_only_foreground_regions = 9 [default = false];
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// Specifies roughly number of foreground features mapped to one mode,
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// for mode to be considered salient.
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optional float min_irls_mode_weight = 10 [default = 10];
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// Only returns the top N irls modes.
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optional int32 num_top_irls_modes = 11 [default = 3];
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// Mode finding is performed with a fraction radius of 10% of frame
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// diameter by default.
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optional float mode_band_width = 12 [default = 0.10];
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// We filter salient points along the temporal dimension only, keeping those
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// that have sufficient support (in form of neighboring salient points). For
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// every salient point in frame n, all points in frames
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// [n - filtering_frame_radius, n + filtering_frame_radius] are tested,
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// whether they support the current test point.
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optional int32 selection_frame_radius = 5 [default = 5];
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// Fractional distance to be considered a supporting salient point for a test
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// point.
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optional float selection_support_distance = 6 [default = 0.2];
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// Minimum number of supporting salient points that need to be present in
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// order for a point to be considered an inlier.
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optional int32 selection_minimum_support = 7 [default = 4];
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// Sigma in space (normalized domain).
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optional float filtering_sigma_space = 13 [default = 0.05];
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// Sigma in time (in frames).
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optional float filtering_sigma_time = 14 [default = 5];
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}
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