lankun/sjy01-image-proc
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使用 4*4*4 的控制点

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This commit is contained in:
nuknal
2024-09-04 10:43:20 +08:00
parent 19522db7c8
commit 884dee3c82
4 changed files with 17 additions and 16 deletions
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3
pkg/producer/grid_img.go
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@@ -21,8 +21,9 @@ func gridImage2(m, n, height, width, k, hmin, hmax int) []*GridPoint {
hmax = hmax + 500 hmax = hmax + 500
hmin = hmin - 500 hmin = hmin - 500
dh := (hmax - hmin) / (k) dh := (hmax - hmin) / (k)
var h []int var h []int
for i := 1; i <= k; i++ { for i := 0; i <= k; i++ {
h = append(h, hmin+dh*i) h = append(h, hmin+dh*i)
} }

4
pkg/producer/rpc.go
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@@ -56,8 +56,8 @@ type RPCModel struct {
// rational polynomial coeffients // rational polynomial coeffients
func NewRPC(r *Registrator, scene *Scene, rpb string) *RPC { func NewRPC(r *Registrator, scene *Scene, rpb string) *RPC {
rpc := RPC{ rpc := RPC{
elevationLayer: 4, elevationLayer: 3,
gridsize: 19, gridsize: 3,
registrator: r, registrator: r,
scene: scene, scene: scene,
rpb: rpb, rpb: rpb,

24
pkg/producer/rpc_helper.go
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@@ -70,17 +70,17 @@ func solveCoefficients(f, latVec, lonVec, heightVec *mat.VecDense) ([]float64, e
denominator.SetVec(i, x0.AtVec(i+19)) denominator.SetVec(i, x0.AtVec(i+19))
} }
num, den, err := solveNelderMead(numerator, denominator, f, latVec, lonVec, heightVec) // num, den, err := solveNelderMead(numerator, denominator, f, latVec, lonVec, heightVec)
if err != nil { // if err != nil {
return nil, err // return nil, err
} // }
var coeffs []float64 // var coeffs []float64
coeffs = append(coeffs, num.RawVector().Data...) // coeffs = append(coeffs, num.RawVector().Data...)
for i := 1; i < 20; i++ { // for i := 1; i < 20; i++ {
coeffs = append(coeffs, den.AtVec(i)) // coeffs = append(coeffs, den.AtVec(i))
} // }
return coeffs, nil // return coeffs, nil
// 迭代 // 迭代
var wm mat.Dense var wm mat.Dense
@@ -359,11 +359,11 @@ func localize(num, den *mat.VecDense, row, col float64) (P, L, H float64) {
} }
func project(num, den *mat.VecDense, P, L, H float64) (v float64) { func project(num, den *mat.VecDense, P, L, H float64) (v float64) {
v = applyPoly(num, P, L, H) / applyPoly(den, P, L, H) v = applyPolynominal(num, P, L, H) / applyPolynominal(den, P, L, H)
return v return v
} }
func applyPoly(poly *mat.VecDense, func applyPolynominal(poly *mat.VecDense,
P, L, H float64) (v float64) { P, L, H float64) (v float64) {
v = 0.0 v = 0.0
v += poly.AtVec(0) v += poly.AtVec(0)

2
pkg/producer/rpc_optimize.go
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@@ -21,7 +21,7 @@ func objectiveFunc(numerator, denominator, f, latVec, lonVec, heightVec *mat.Vec
errorV := predictedV - f.AtVec(i) errorV := predictedV - f.AtVec(i)
errorSquared += errorV * errorV errorSquared += errorV * errorV
} }
return errorSquared / float64(n) return errorSquared
} }
func solveNelderMead(num, den, f, latVec, lonVec, heightVec *mat.VecDense) (*mat.VecDense, *mat.VecDense, error) { func solveNelderMead(num, den, f, latVec, lonVec, heightVec *mat.VecDense) (*mat.VecDense, *mat.VecDense, error) {