Searched defs:gamma (Results 26 - 50 of 98) sorted by relevance

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/external/ceres-solver/internal/ceres/
H A Dpolynomial.cc59 // gamma <= 1 controls how much a change in the scaling has to
62 // gamma = 1 seems to lead to cycles (numerical issues?), so
64 const double gamma = 0.9; local
85 if (scaled_col_norm + scaled_row_norm < gamma * (col_norm + row_norm)) {
/external/glide/third_party/gif_encoder/src/main/java/com/bumptech/glide/gifencoder/
H A DNeuQuant.java66 protected static final int gammashift = 10; /* gamma = 1024 */
68 protected static final int gamma = (((int) 1) << gammashift); field in class:NeuQuant
465 /* bias[i] = gamma*((1/netsize)-freq[i]) */
/external/libpng/contrib/gregbook/
H A Dwritepng.h91 double gamma; member in struct:_mainprog_info
/external/opencv3/3rdparty/libpng/
H A Dpnginfo.h86 /* The gAMA chunk describes the gamma characteristics of the system
90 png_fixed_point gamma; member in struct:png_info_def
/external/opencv3/3rdparty/libtiff/
H A Dtif_color.c129 double gamma; local
136 gamma = 1.0 / cielab->display.d_gammaR ;
141 * ((float)pow((double)i / cielab->range, gamma));
145 gamma = 1.0 / cielab->display.d_gammaG ;
150 * ((float)pow((double)i / cielab->range, gamma));
154 gamma = 1.0 / cielab->display.d_gammaB ;
159 * ((float)pow((double)i / cielab->range, gamma));
/external/opencv3/modules/cudaoptflow/test/
H A Dtest_optflow.cpp75 cv::cuda::BroxOpticalFlow::create(0.197 /*alpha*/, 50.0 /*gamma*/, 0.8 /*scale_factor*/,
143 cv::cuda::BroxOpticalFlow::create(0.197 /*alpha*/, 50.0 /*gamma*/, 0.8 /*scale_factor*/,
345 double gamma; local
350 gamma = GET_PARAM(1);
367 d_alg->setGamma(gamma);
376 alg->setGamma(gamma);
/external/pdfium/core/src/fxcodec/codec/
H A Dfx_codec_png.cpp124 double gamma = 1.0; local
139 &color_type, &gamma)) {
144 png_set_gamma(png_ptr, gamma, 0.45455);
148 png_set_gamma(png_ptr, gamma, image_gamma);
150 png_set_gamma(png_ptr, gamma, 0.45455);
/external/pdfium/third_party/libtiff/
H A Dtif_color.c129 double gamma; local
136 gamma = 1.0 / cielab->display.d_gammaR ;
141 * ((float)pow((double)i / cielab->range, gamma));
145 gamma = 1.0 / cielab->display.d_gammaG ;
150 * ((float)pow((double)i / cielab->range, gamma));
154 gamma = 1.0 / cielab->display.d_gammaB ;
159 * ((float)pow((double)i / cielab->range, gamma));
/external/skia/gm/
H A Dshowmiplevels.cpp81 static unsigned gamma(unsigned n) { function in class:ShowMipLevels
101 unsigned r = gamma(SkGetPackedR32(c));
102 unsigned g = gamma(SkGetPackedG32(c));
103 unsigned b = gamma(SkGetPackedB32(c));
/external/skia/src/core/
H A DSkMaskGamma.h28 virtual SkScalar toLuma(SkScalar gamma, SkScalar luminance) const = 0;
30 virtual SkScalar fromLuma(SkScalar gamma, SkScalar luma) const = 0;
33 static U8CPU computeLuminance(SkScalar gamma, SkColor c) { argument
34 const SkColorSpaceLuminance& luminance = Fetch(gamma);
35 SkScalar r = luminance.toLuma(gamma, SkIntToScalar(SkColorGetR(c)) / 255);
36 SkScalar g = luminance.toLuma(gamma, SkIntToScalar(SkColorGetG(c)) / 255);
37 SkScalar b = luminance.toLuma(gamma, SkIntToScalar(SkColorGetB(c)) / 255);
42 return SkScalarRoundToInt(luminance.fromLuma(gamma, luma) * 255);
45 /** Retrieves the SkColorSpaceLuminance for the given gamma. */
46 static const SkColorSpaceLuminance& Fetch(SkScalar gamma);
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/external/eigen/Eigen/src/Cholesky/
H A DLDLT.h377 RealScalar gamma = dj*alpha + swj2; local
386 if(gamma != 0)
387 mat.col(j).tail(rs) += (sigma*numext::conj(wj)/gamma)*w.tail(rs);
H A DLLT.h245 RealScalar gamma = dj*beta + swj2; local
259 if(gamma != 0)
260 mat.col(j).tail(rs) = (nLjj/Ljj) * mat.col(j).tail(rs) + (nLjj * sigma*numext::conj(wj)/gamma)*temp.tail(rs);
/external/opencv/cv/src/
H A Dcvsnakes.cpp60 // gamma - pointer to coefficient of image energy,
61 // coeffUsage - if CV_VALUE - alpha, beta, gamma point to single value
78 float *gamma,
133 if( gamma == NULL )
351 _gamma = *gamma;
357 _gamma = gamma[i];
411 float *beta, float *gamma,
433 alpha, beta, gamma, coeffUsage, win, criteria,
71 icvSnake8uC1R( unsigned char *src, int srcStep, CvSize roi, CvPoint * pt, int n, float *alpha, float *beta, float *gamma, int coeffUsage, CvSize win, CvTermCriteria criteria, int scheme ) argument
409 cvSnakeImage( const IplImage* src, CvPoint* points, int length, float *alpha, float *beta, float *gamma, int coeffUsage, CvSize win, CvTermCriteria criteria, int calcGradient ) argument
/external/opencv3/modules/core/src/
H A Ddownhill_simplex.cpp382 double gamma = 0.5; local
383 double y_gamma = tryNewPoint(p, coord_sum, ihi, gamma, buf, fcount);
387 replacePoint(p, coord_sum, y, ihi, gamma, y_gamma);
H A Dlapack.cpp439 double beta = a - b, gamma = hypot((double)p, beta); local
442 double delta = (gamma - beta)*0.5;
443 s = (_Tp)std::sqrt(delta/gamma);
444 c = (_Tp)(p/(gamma*s*2));
448 c = (_Tp)std::sqrt((gamma + beta)/(gamma*2));
449 s = (_Tp)(p/(gamma*c*2));
/external/opencv3/modules/cudaarithm/test/
H A Dtest_element_operations.cpp2495 double gamma = randomDouble(-10.0, 10.0); local
2502 cv::cuda::addWeighted(loadMat(src1), alpha, loadMat(src2), beta, gamma, dst, dst_depth); local
2512 cv::cuda::addWeighted(loadMat(src1, useRoi), alpha, loadMat(src2, useRoi), beta, gamma, dst, dst_depth); local
2515 cv::addWeighted(src1, alpha, src2, beta, gamma, dst_gold, dst_depth);
/external/opencv3/modules/imgproc/src/
H A Dgrabcut.cpp273 beta and gamma - parameters of GrabCut algorithm.
275 static void calcNWeights( const Mat& img, Mat& leftW, Mat& upleftW, Mat& upW, Mat& uprightW, double beta, double gamma )
277 const double gammaDivSqrt2 = gamma / std::sqrt(2.0f);
290 leftW.at<double>(y,x) = gamma * exp(-beta*diff.dot(diff));
304 upW.at<double>(y,x) = gamma * exp(-beta*diff.dot(diff));
560 const double gamma = 50; local
561 const double lambda = 9*gamma;
565 calcNWeights( img, leftW, upleftW, upW, uprightW, beta, gamma );
/external/skia/src/ports/
H A DSkTypeface_win_dw.cpp273 float gamma = defaultRenderingParams->GetGamma(); local
274 rec->setDeviceGamma(gamma);
275 rec->setPaintGamma(gamma);
/external/webrtc/webrtc/modules/audio_coding/codecs/isac/main/source/
H A Dlpc_analysis.c405 const double gamma = 0.9; local
454 tmp = gamma;
458 tmp *= gamma;
/external/webrtc/webrtc/modules/remote_bitrate_estimator/test/estimators/
H A Dnada.cc248 float gamma = local
252 bitrate_kbps_ = static_cast<int>((1.0f + gamma) * fb.receiving_rate() + 0.5f);
257 float gamma = 3.0f * kMaxCongestionSignalMs / local
259 gamma = std::min(gamma, kGamma0);
260 bitrate_kbps_ = gamma * fb.receiving_rate() + 0.5f;
/external/libchrome/crypto/
H A Dp224.cc532 FieldElement delta, gamma, beta, alpha, t; local
535 Square(&gamma, a.y);
536 Mul(&beta, a.x, gamma);
548 // Z3 = (Y1+Z1)²-gamma-delta
552 Subtract(&out->z, out->z, gamma);
566 // Y3 = alpha*(4*beta-X3)-8*gamma²
573 Square(&gamma, gamma);
575 gamma[i] <<= 3;
577 Reduce(&gamma);
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/external/libweave/third_party/chromium/crypto/
H A Dp224.cc561 FieldElement delta, gamma, beta, alpha, t; local
564 Square(&gamma, a.y);
565 Mul(&beta, a.x, gamma);
577 // Z3 = (Y1+Z1)²-gamma-delta
581 Subtract(&out->z, out->z, gamma);
595 // Y3 = alpha*(4*beta-X3)-8*gamma²
602 Square(&gamma, gamma);
604 gamma[i] <<= 3;
606 Reduce(&gamma);
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/external/opencv3/modules/cudaoptflow/src/
H A Dtvl1flow.cpp66 float l_t, float theta, float gamma, bool calcError,
70 float taut, float gamma,
80 int iterations, double scaleStep, double gamma, bool useInitialFlow) :
81 tau_(tau), lambda_(lambda), gamma_(gamma), theta_(theta), nscales_(nscales), warps_(warps),
93 virtual void setGamma(double gamma) { gamma_ = gamma; } argument
375 double epsilon, int iterations, double scaleStep, double gamma, bool useInitialFlow)
378 epsilon, iterations, scaleStep, gamma, useInitialFlow);
79 OpticalFlowDual_TVL1_Impl(double tau, double lambda, double theta, int nscales, int warps, double epsilon, int iterations, double scaleStep, double gamma, bool useInitialFlow) argument
373 create( double tau, double lambda, double theta, int nscales, int warps, double epsilon, int iterations, double scaleStep, double gamma, bool useInitialFlow) argument
/external/opencv3/modules/photo/src/
H A Dtonemap.cpp59 TonemapImpl(float _gamma) : name("Tonemap"), gamma(_gamma)
78 pow(dst, 1.0f / gamma, dst);
81 float getGamma() const { return gamma; }
82 void setGamma(float val) { gamma = val; }
87 << "gamma" << gamma; local
94 gamma = fn["gamma"];
99 float gamma; member in class:cv::TonemapImpl
102 Ptr<Tonemap> createTonemap(float gamma) argument
181 float gamma, saturation, bias; member in class:cv::TonemapDragoImpl
184 createTonemapDrago(float gamma, float saturation, float bias) argument
266 float gamma, contrast, saturation, sigma_color, sigma_space; member in class:cv::TonemapDurandImpl
269 createTonemapDurand(float gamma, float contrast, float saturation, float sigma_color, float sigma_space) argument
361 float gamma, intensity, light_adapt, color_adapt; member in class:cv::TonemapReinhardImpl
364 createTonemapReinhard(float gamma, float contrast, float sigma_color, float sigma_space) argument
466 float gamma, scale, saturation; member in class:cv::TonemapMantiukImpl
532 createTonemapMantiuk(float gamma, float scale, float saturation) argument
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/external/opencv3/modules/ts/src/
H A Dts_func.cpp152 Scalar gamma, Mat& c, int ctype, bool calcAbs)
193 scalarToRawData(gamma, buf[2].ptr(), CV_64FC(cn), (int)(maxsize*cn));
380 void set(Mat& dst, const Scalar& gamma, const Mat& mask) argument
383 scalarToRawData(gamma, &buf, dst.type(), dst.channels());
151 add(const Mat& _a, double alpha, const Mat& _b, double beta, Scalar gamma, Mat& c, int ctype, bool calcAbs) argument

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