示例#1
0
def get_data_from_frontend():
    r = request.get_json()
    json_text = r
    with open("users.json", 'w', encoding='utf-8') as f:
        json.dump(json_text, f, ensure_ascii=False, indent=4)
    print(jsonify(reco.reco()))
    return jsonify(reco.reco())
示例#2
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文件: jpg_demo.py 项目: ywu40/TSAM
for quality in range(0, 101, 1):
    subprocess.check_call('gm convert %s -quality %d %s' %
                          (ref_file, quality, dist_file),
                          shell=True)
    file_size = os.path.getsize(dist_file)

    dist = scipy.misc.imread(dist_file, flatten=True).astype(numpy.float32)

    quality_values.append(quality)
    size_values.append(int(file_size / 1024))
    vifp_values.append(vifp.vifp_mscale(ref, dist))
    ssim_values.append(ssim.ssim_exact(ref / 255, dist / 255))
    psnr_values.append(psnr.psnr(ref, dist))
    # niqe_values.append( niqe.niqe(dist/255) )
    reco_values.append(reco.reco(ref / 255, dist / 255))

plt.plot(quality_values, vifp_values, label='VIFP')
plt.plot(quality_values, ssim_values, label='SSIM')
# plt.plot(niqe_values, label='NIQE')
plt.plot(quality_values, reco_values, label='RECO')
plt.plot(quality_values, numpy.asarray(psnr_values) / 100.0, label='PSNR/100')
plt.legend(loc='lower right')
plt.xlabel('JPEG Quality')
plt.ylabel('Metric')
plt.savefig('jpg_demo_quality.png')

plt.figure(figsize=(8, 8))

plt.plot(size_values, vifp_values, label='VIFP')
plt.plot(size_values, ssim_values, label='SSIM')
示例#3
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        print "Frame=%d VIFP=%f SSIM=%f" % (frame_num, vifp_value, ssim_value)
        frame_num += 1

else:
    # Inputs are image files
    ref = scipy.misc.imread(ref_file, flatten=True).astype(numpy.float32)
    dist = scipy.misc.imread(dist_file, flatten=True).astype(numpy.float32)

    width, height = ref.shape[1], ref.shape[0]
    print "Comparing %s to %s, resolution %d x %d" % (ref_file, dist_file,
                                                      width, height)

    vifp_value = vifp.vifp_mscale(ref, dist)
    print "VIFP=%f" % (vifp_value)

    ssim_value = ssim.ssim_exact(ref / 255, dist / 255)
    print "SSIM=%f" % (ssim_value)

    # FIXME this is buggy, disable for now
    # ssim_value2 = ssim.ssim(ref/255, dist/255)
    # print "SSIM approx=%f" % (ssim_value2)

    psnr_value = psnr.psnr(ref, dist)
    print "PSNR=%f" % (psnr_value)

    # niqe_value = niqe.niqe(dist/255)
    # print "NIQE=%f" % (niqe_value)

    reco_value = reco.reco(ref / 255, dist / 255)
    print "RECO=%f" % (reco_value)
示例#4
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        ssim_value = ssim.ssim(ref, dist)
        print "Frame=%d VIFP=%f SSIM=%f" % (frame_num, vifp_value, ssim_value)
        frame_num += 1

else:
    # Inputs are image files
    ref = scipy.misc.imread(ref_file, flatten=True).astype(numpy.float32)
    dist = scipy.misc.imread(dist_file, flatten=True).astype(numpy.float32)

    width, height = ref.shape[1], ref.shape[0]
    print "Comparing %s to %s, resolution %d x %d" % (ref_file, dist_file, width, height)

    vifp_value = vifp.vifp_mscale(ref, dist)
    print "VIFP=%f" % (vifp_value)

    ssim_value = ssim.ssim_exact(ref / 255, dist / 255)
    print "SSIM=%f" % (ssim_value)

    # FIXME this is buggy, disable for now
    # ssim_value2 = ssim.ssim(ref/255, dist/255)
    # print "SSIM approx=%f" % (ssim_value2)

    psnr_value = psnr.psnr(ref, dist)
    print "PSNR=%f" % (psnr_value)

    # niqe_value = niqe.niqe(dist/255)
    # print "NIQE=%f" % (niqe_value)

    reco_value = reco.reco(ref / 255, dist / 255)
    print "RECO=%f" % (reco_value)
示例#5
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plt.figure(figsize=(8, 8))

for quality in range(0, 101, 1):
    subprocess.check_call('gm convert %s -quality %d %s'%(ref_file, quality, dist_file), shell=True)
    file_size = os.path.getsize(dist_file)

    dist = scipy.misc.imread(dist_file, flatten=True).astype(numpy.float32)

    quality_values.append( quality )
    size_values.append( int(file_size/1024) )
    vifp_values.append( vifp.vifp_mscale(ref, dist) )
    ssim_values.append( ssim.ssim_exact(ref/255, dist/255) )
    psnr_values.append( psnr.psnr(ref, dist) )
    # niqe_values.append( niqe.niqe(dist/255) )
    reco_values.append( reco.reco(ref/255, dist/255) )

plt.plot(quality_values, vifp_values, label='VIFP')
plt.plot(quality_values, ssim_values, label='SSIM')
# plt.plot(niqe_values, label='NIQE')
plt.plot(quality_values, reco_values, label='RECO')
plt.plot(quality_values, numpy.asarray(psnr_values)/100.0, label='PSNR/100')
plt.legend(loc='lower right')
plt.xlabel('JPEG Quality')
plt.ylabel('Metric')
plt.savefig('jpg_demo_quality.png')

plt.figure(figsize=(8, 8))

plt.plot(size_values, vifp_values, label='VIFP')
plt.plot(size_values, ssim_values, label='SSIM')